diff --git a/app/Transformers/Transformer.php b/app/Builders/Builder.php
similarity index 73%
rename from app/Transformers/Transformer.php
rename to app/Builders/Builder.php
index 3aef33b3..a9b7ab93 100644
--- a/app/Transformers/Transformer.php
+++ b/app/Builders/Builder.php
@@ -1,10 +1,10 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use Phalcon\Mvc\User\Component as UserComponent;
 
-class Transformer extends UserComponent
+class Builder extends UserComponent
 {
 
     public function arrayToObject($array)
diff --git a/app/Builders/CategoryList.php b/app/Builders/CategoryList.php
new file mode 100644
index 00000000..61104863
--- /dev/null
+++ b/app/Builders/CategoryList.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Builders;
+
+class CategoryList extends Builder
+{
+
+    public function handleTreeList($categories)
+    {
+        $list = [];
+
+        foreach ($categories as $category) {
+            if ($category['parent_id'] == 0) {
+                $key = $category['id'];
+                $list[$key] = [
+                    'id' => $category['id'],
+                    'name' => $category['name'],
+                    'priority' => $category['priority'],
+                    'children' => [],
+                ];
+            } else {
+                $key = $category['parent_id'];
+                $list[$key]['children'][] = [
+                    'id' => $category['id'],
+                    'name' => $category['name'],
+                    'priority' => $category['priority'],
+                ];
+            }
+        }
+
+        usort($list, function ($a, $b) {
+            return $a['priority'] > $b['priority'];
+        });
+
+        foreach ($list as $key => $value) {
+            usort($list[$key]['children'], function ($a, $b) {
+                return $a['priority'] > $b['priority'];
+            });
+        }
+
+        return $list;
+    }
+
+}
diff --git a/app/Builders/Chapter.php b/app/Builders/Chapter.php
new file mode 100644
index 00000000..d55ee8cc
--- /dev/null
+++ b/app/Builders/Chapter.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Builders;
+
+use App\Models\Chapter as ChapterModel;
+
+class Chapter extends Builder
+{
+
+    /**
+     * @param ChapterModel $chapter
+     * @return ChapterModel
+     */
+    public function handleChapter(ChapterModel $chapter)
+    {
+        return $chapter;
+    }
+
+}
diff --git a/app/Builders/ChapterList.php b/app/Builders/ChapterList.php
new file mode 100644
index 00000000..d7ee5c1e
--- /dev/null
+++ b/app/Builders/ChapterList.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Builders;
+
+use App\Models\Course as CourseModel;
+
+class ChapterList extends Builder
+{
+
+    /**
+     * @param array $chapters
+     * @return array
+     */
+    public function handleTreeList($chapters)
+    {
+        $list = [];
+
+        foreach ($chapters as $chapter) {
+            if ($chapter['parent_id'] == 0) {
+                $key = $chapter['id'];
+                $list[$key] = [
+                    'id' => $chapter['id'],
+                    'title' => $chapter['title'],
+                    'summary' => $chapter['summary'],
+                    'priority' => $chapter['priority'],
+                    'children' => [],
+                ];
+            } else {
+                $key = $chapter['parent_id'];
+                $list[$key]['children'][] = $this->handleChapter($chapter);
+            }
+        }
+
+        usort($list, function ($a, $b) {
+            return $a['priority'] > $b['priority'];
+        });
+
+        foreach ($list as $key => $value) {
+            usort($list[$key]['children'], function ($a, $b) {
+                return $a['priority'] > $b['priority'];
+            });
+        }
+
+        return $list;
+    }
+
+    /**
+     * @param array $chapter
+     * @return array
+     */
+    protected function handleChapter($chapter)
+    {
+        $attrs = json_decode($chapter['attrs'], true);
+
+        if ($attrs['model'] == CourseModel::MODEL_VOD) {
+            unset($attrs['file_id'], $attrs['file_status']);
+        }
+
+        $result = [
+            'id' => $chapter['id'],
+            'title' => $chapter['title'],
+            'summary' => $chapter['summary'],
+            'priority' => $chapter['priority'],
+            'free' => $chapter['free'],
+            'attrs' => $attrs,
+        ];
+
+        return $result;
+    }
+
+}
diff --git a/app/Builders/Course.php b/app/Builders/Course.php
new file mode 100644
index 00000000..39285f1a
--- /dev/null
+++ b/app/Builders/Course.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Builders;
+
+use App\Models\Course as CourseModel;
+
+class Course extends Builder
+{
+
+    /**
+     * @param CourseModel $course
+     * @return CourseModel
+     */
+    public function handleCourse(CourseModel $course)
+    {
+        $course->cover = kg_img_url($course->cover);
+
+        return $course;
+    }
+
+}
diff --git a/app/Builders/CourseChapterUser.php b/app/Builders/CourseChapterUser.php
new file mode 100644
index 00000000..9adece6d
--- /dev/null
+++ b/app/Builders/CourseChapterUser.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace App\Builders;
+
+use App\Models\Course as CourseModel;
+
+class CourseChapterUser extends Builder
+{
+
+
+    /**
+     * 处理课时进度
+     *
+     * @param array $chapters
+     * @param array $studyHistory
+     * @return array
+     */
+    public function handleProcess($chapters, $studyHistory)
+    {
+        $status = [];
+
+        if ($studyHistory) {
+            foreach ($studyHistory as $value) {
+                $status[$value['chapter_id']] = [
+                    'duration' => $value['duration'],
+                    'finished' => $value['finished'],
+                ];
+            }
+        }
+
+        foreach ($chapters as $key => $chapter) {
+            if ($chapter['parent_id'] > 0) {
+                $me = [
+                    'duration' => $status[$chapter['id']]['duration'] ?? 0,
+                    'finished' => $status[$chapter['id']]['finished'] ?? 0,
+                ];
+                $chapters[$key]['me'] = $me;
+            }
+        }
+
+        return $chapters;
+    }
+
+    /**
+     * @param array $chapter
+     * @return array
+     */
+    protected function handleChapter($chapter)
+    {
+
+        $attrs = json_decode($chapter['attrs'], true);
+
+        $me = $chapter['me'] ?? [];
+
+        $clickable = $chapter['published'];
+
+        if ($attrs['model'] == CourseModel::MODEL_VOD) {
+            unset($attrs['file_id'], $attrs['file_status']);
+        }
+
+        /**
+         * 直播前后半小时缓冲区间可用
+         */
+        if ($attrs['model'] == CourseModel::MODEL_LIVE) {
+            $caseA = $attrs['start_time'] - time() < 1800;
+            $caseB = time() - $attrs['end_time'] < 1800;
+            if ($caseA && $caseB) {
+                $clickable = 1;
+            }
+        }
+
+
+        $result = [
+            'id' => $chapter['id'],
+            'title' => $chapter['title'],
+            'summary' => $chapter['summary'],
+            'free' => $chapter['free'],
+            'clickable' => $clickable,
+            'attrs' => $attrs,
+            'me' => $me,
+        ];
+
+        return $result;
+    }
+
+}
diff --git a/app/Builders/CourseList.php b/app/Builders/CourseList.php
new file mode 100644
index 00000000..20dc5010
--- /dev/null
+++ b/app/Builders/CourseList.php
@@ -0,0 +1,126 @@
+<?php
+
+namespace App\Builders;
+
+use App\Caches\CategoryList as CategoryListCache;
+use App\Repos\CourseCategory as CourseCategoryRepo;
+use App\Repos\User as UserRepo;
+
+class CourseList extends Builder
+{
+
+    public function handleCourses($courses)
+    {
+        $imgBaseUrl = kg_img_base_url();
+
+        $result = [];
+
+        foreach ($courses as $course) {
+
+            $course['categories'] = [];
+            $course['cover'] = $imgBaseUrl . $course['cover'];
+            $course['attrs'] = json_decode($course['attrs'], true);
+
+            $result[] = [
+                'id' => $course['id'],
+                'model' => $course['model'],
+                'title' => $course['title'],
+                'summary' => $course['summary'],
+                'cover' => $course['cover'],
+                'market_price' => (float)$course['market_price'],
+                'vip_price' => (float)$course['vip_price'],
+                'expiry' => $course['expiry'],
+                'level' => $course['level'],
+                'score' => $course['score'],
+                'attrs' => $course['attrs'],
+                'categories' => $course['categories'],
+                'user_count' => $course['user_count'],
+                'lesson_count' => $course['lesson_count'],
+                'thread_count' => $course['thread_count'],
+                'review_count' => $course['review_count'],
+                'favorite_count' => $course['favorite_count'],
+            ];
+        }
+
+        return $result;
+    }
+
+    public function handleCategories($courses)
+    {
+        $categories = $this->getCategories($courses);
+
+        foreach ($courses as $key => $course) {
+            $courses[$key]['categories'] = $categories[$course['id']] ?? [];
+        }
+
+        return $courses;
+    }
+
+    public function handleUsers($courses)
+    {
+        $users = $this->getUsers($courses);
+
+        foreach ($courses as $key => $course) {
+            $courses[$key]['user'] = $users[$course['user_id']] ?? [];
+        }
+
+        return $courses;
+    }
+
+    protected function getCategories($courses)
+    {
+        $categoryListCache = new CategoryListCache();
+
+        $categoryList = $categoryListCache->get();
+
+        if (!$categoryList) {
+            return [];
+        }
+
+        $mapping = [];
+
+        foreach ($categoryList as $category) {
+            $mapping[$category['id']] = [
+                'id' => $category['id'],
+                'name' => $category['name'],
+            ];
+        }
+
+        $courseIds = kg_array_column($courses, 'id');
+
+        $courseCategoryRepo = new CourseCategoryRepo();
+
+        $relations = $courseCategoryRepo->findByCourseIds($courseIds);
+
+        $result = [];
+
+        foreach ($relations as $relation) {
+            $categoryId = $relation->category_id;
+            $courseId = $relation->course_id;
+            $result[$courseId][] = $mapping[$categoryId] ?? [];
+        }
+
+        return $result;
+    }
+
+    protected function getUsers($courses)
+    {
+        $ids = kg_array_column($courses, 'user_id');
+
+        $userRepo = new UserRepo();
+
+        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar']);
+
+        $imgBaseUrl = kg_img_base_url();
+
+        $result = [];
+
+        foreach ($users->toArray() as $user) {
+            $user['avatar'] = $imgBaseUrl . $user['avatar'];
+            $result[$user['id']] = $user;
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Transformers/CourseUserList.php b/app/Builders/CourseUserList.php
similarity index 95%
rename from app/Transformers/CourseUserList.php
rename to app/Builders/CourseUserList.php
index d1edc302..8188ee96 100644
--- a/app/Transformers/CourseUserList.php
+++ b/app/Builders/CourseUserList.php
@@ -1,11 +1,11 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use App\Repos\Course as CourseRepo;
 use App\Repos\User as UserRepo;
 
-class CourseUserList extends Transformer
+class CourseUserList extends Builder
 {
 
     public function handleCourses($relations)
diff --git a/app/Transformers/LearningList.php b/app/Builders/LearningList.php
similarity index 96%
rename from app/Transformers/LearningList.php
rename to app/Builders/LearningList.php
index afa6ccc5..ab695d8e 100644
--- a/app/Transformers/LearningList.php
+++ b/app/Builders/LearningList.php
@@ -1,12 +1,12 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use App\Repos\Chapter as ChapterRepo;
 use App\Repos\Course as CourseRepo;
 use App\Repos\User as UserRepo;
 
-class LearningList extends Transformer
+class LearningList extends Builder
 {
 
     public function handleCourses($relations)
diff --git a/app/Builders/NavList.php b/app/Builders/NavList.php
new file mode 100644
index 00000000..01706498
--- /dev/null
+++ b/app/Builders/NavList.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Builders;
+
+class NavList extends Builder
+{
+
+    public function handleTreeList($navs)
+    {
+        $list = [];
+
+        foreach ($navs as $nav) {
+            if ($nav['parent_id'] == 0) {
+                $key = $nav['id'];
+                $list[$key] = [
+                    'id' => $nav['id'],
+                    'name' => $nav['name'],
+                    'priority' => $nav['priority'],
+                    'children' => [],
+                ];
+            } else {
+                $key = $nav['parent_id'];
+                $list[$key]['children'][] = [
+                    'id' => $nav['id'],
+                    'name' => $nav['name'],
+                    'priority' => $nav['priority'],
+                    'target' => $nav['target'],
+                    'url' => $nav['url'],
+                ];
+            }
+        }
+
+        usort($list, function ($a, $b) {
+            return $a['priority'] > $b['priority'];
+        });
+
+        foreach ($list as $key => $value) {
+            usort($list[$key]['children'], function ($a, $b) {
+                return $a['priority'] > $b['priority'];
+            });
+        }
+
+        return $list;
+    }
+
+}
diff --git a/app/Transformers/OrderList.php b/app/Builders/OrderList.php
similarity index 97%
rename from app/Transformers/OrderList.php
rename to app/Builders/OrderList.php
index 8ab4fdd3..c4c9a557 100644
--- a/app/Transformers/OrderList.php
+++ b/app/Builders/OrderList.php
@@ -1,11 +1,11 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use App\Models\Order as OrderModel;
 use App\Repos\User as UserRepo;
 
-class OrderList extends Transformer
+class OrderList extends Builder
 {
     protected $imgBaseUrl;
 
diff --git a/app/Transformers/RefundList.php b/app/Builders/RefundList.php
similarity index 73%
rename from app/Transformers/RefundList.php
rename to app/Builders/RefundList.php
index 4d7909e2..d55daf4c 100644
--- a/app/Transformers/RefundList.php
+++ b/app/Builders/RefundList.php
@@ -1,10 +1,10 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use App\Repos\User as UserRepo;
 
-class RefundList extends Transformer
+class RefundList extends Builder
 {
 
     public function handleUsers($refunds)
@@ -24,11 +24,16 @@ class RefundList extends Transformer
 
         $userRepo = new UserRepo();
 
-        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar'])->toArray();
+        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar']);
 
         $result = [];
 
-        foreach ($users as $user) {
+        $imgBaseUrl = kg_img_base_url();
+
+        foreach ($users->toArray() as $user) {
+
+            $user['avatar'] = $imgBaseUrl . $user['avatar'];
+
             $result[$user['id']] = $user;
         }
 
diff --git a/app/Transformers/ReviewList.php b/app/Builders/ReviewList.php
similarity index 76%
rename from app/Transformers/ReviewList.php
rename to app/Builders/ReviewList.php
index 7c397448..c48e5826 100644
--- a/app/Transformers/ReviewList.php
+++ b/app/Builders/ReviewList.php
@@ -1,11 +1,11 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use App\Repos\Course as CourseRepo;
 use App\Repos\User as UserRepo;
 
-class ReviewList extends Transformer
+class ReviewList extends Builder
 {
 
     public function handleCourses($reviews)
@@ -13,7 +13,7 @@ class ReviewList extends Transformer
         $courses = $this->getCourses($reviews);
 
         foreach ($reviews as $key => $review) {
-            $reviews[$key]['course'] = $courses[$review['course_id']];
+            $reviews[$key]['course'] = $courses[$review['course_id']] ?? [];
         }
 
         return $reviews;
@@ -24,7 +24,7 @@ class ReviewList extends Transformer
         $users = $this->getUsers($reviews);
 
         foreach ($reviews as $key => $review) {
-            $reviews[$key]['user'] = $users[$review['user_id']];
+            $reviews[$key]['user'] = $users[$review['user_id']] ?? [];
         }
 
         return $reviews;
@@ -36,11 +36,11 @@ class ReviewList extends Transformer
 
         $courseRepo = new CourseRepo();
 
-        $courses = $courseRepo->findByIds($ids, ['id', 'title'])->toArray();
+        $courses = $courseRepo->findByIds($ids, ['id', 'title']);
 
         $result = [];
 
-        foreach ($courses as $course) {
+        foreach ($courses->toArray() as $course) {
             $result[$course['id']] = $course;
         }
 
@@ -53,11 +53,14 @@ class ReviewList extends Transformer
 
         $userRepo = new UserRepo();
 
-        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar'])->toArray();
+        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar']);
 
         $result = [];
 
-        foreach ($users as $user) {
+        $imgBaseUrl = kg_img_base_url();
+
+        foreach ($users->toArray() as $user) {
+            $user['avatar'] = $imgBaseUrl . $user['avatar'];
             $result[$user['id']] = $user;
         }
 
diff --git a/app/Builders/SlideList.php b/app/Builders/SlideList.php
new file mode 100644
index 00000000..0174c281
--- /dev/null
+++ b/app/Builders/SlideList.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Builders;
+
+class SlideList extends Builder
+{
+
+    public function handleSlides($slides)
+    {
+        $imgBaseUrl = kg_img_base_url();
+
+        foreach ($slides as $key => $slide) {
+            $slides[$key]['cover'] = $imgBaseUrl . $slide['cover'];
+        }
+
+        return $slides;
+    }
+
+}
diff --git a/app/Transformers/TradeList.php b/app/Builders/TradeList.php
similarity index 91%
rename from app/Transformers/TradeList.php
rename to app/Builders/TradeList.php
index 20aa6910..909463e2 100644
--- a/app/Transformers/TradeList.php
+++ b/app/Builders/TradeList.php
@@ -1,10 +1,10 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use App\Repos\User as UserRepo;
 
-class TradeList extends Transformer
+class TradeList extends Builder
 {
 
     public function handleUsers($trades)
diff --git a/app/Builders/User.php b/app/Builders/User.php
new file mode 100644
index 00000000..93a6885f
--- /dev/null
+++ b/app/Builders/User.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Builders;
+
+use App\Models\User as UserModel;
+
+class User extends Builder
+{
+
+    /**
+     * @param UserModel $user
+     * @return UserModel
+     */
+    public function handleUser(UserModel $user)
+    {
+        $user->avatar = kg_img_url($user->avatar);
+
+        return $user;
+    }
+
+}
diff --git a/app/Transformers/UserList.php b/app/Builders/UserList.php
similarity index 82%
rename from app/Transformers/UserList.php
rename to app/Builders/UserList.php
index e2648c4d..1bca819f 100644
--- a/app/Transformers/UserList.php
+++ b/app/Builders/UserList.php
@@ -1,13 +1,24 @@
 <?php
 
-namespace App\Transformers;
+namespace App\Builders;
 
 use App\Models\User as UserModel;
 use App\Repos\Role as RoleRepo;
 
-class UserList extends Transformer
+class UserList extends Builder
 {
 
+    public function handleUsers($users)
+    {
+        $imgBaseUrl = kg_img_base_url();
+
+        foreach ($users as $key => $user) {
+            $users[$key]['avatar'] = $imgBaseUrl . $user['avatar'];
+        }
+
+        return $users;
+    }
+
     public function handleAdminRoles($users)
     {
         $roles = $this->getAdminRoles($users);
diff --git a/app/Caches/Cache.php b/app/Caches/Cache.php
index ed592a0f..4db6c76c 100644
--- a/app/Caches/Cache.php
+++ b/app/Caches/Cache.php
@@ -2,13 +2,11 @@
 
 namespace App\Caches;
 
-use Phalcon\Mvc\User\Component as UserComponent;
-
-abstract class Cache extends UserComponent
+abstract class Cache extends \Phalcon\Mvc\User\Component
 {
 
     /**
-     * @var \Phalcon\Cache\Backend
+     * @var \Phalcon\Cache\Backend\Redis
      */
     protected $cache;
 
@@ -20,18 +18,26 @@ abstract class Cache extends UserComponent
     /**
      * 获取缓存内容
      *
-     * @param mixed $params
+     * @param mixed $id
      * @return mixed
      */
-    public function get($params = null)
+    public function get($id = null)
     {
-        $key = $this->getKey($params);
-        $content = $this->cache->get($key);
-        $lifetime = $this->getLifetime();
+        $key = $this->getKey($id);
+
+        $content = $this->cache->get($key);
+
+        if (!$this->cache->exists($key)) {
+
+            $content = $this->getContent($id);
+
+            /**
+             * 原始内容为空，设置较短的生存时间，简单防止穿透
+             */
+            $lifetime = $content ? $this->getLifetime() : 5 * 60;
 
-        if (!$content) {
-            $content = $this->getContent($params);
             $this->cache->save($key, $content, $lifetime);
+
             $content = $this->cache->get($key);
         }
 
@@ -41,35 +47,48 @@ abstract class Cache extends UserComponent
     /**
      * 删除缓存内容
      *
-     * @param mixed $params
+     * @param mixed $id
      */
-    public function delete($params = null)
+    public function delete($id = null)
     {
-        $key = $this->getKey($params);
+        $key = $this->getKey($id);
+
         $this->cache->delete($key);
     }
 
+    /**
+     * 重建缓存内容
+     *
+     * @param mixed $id
+     */
+    public function rebuild($id = null)
+    {
+        $this->delete($id);
+
+        $this->get($id);
+    }
+
     /**
      * 获取缓存有效期
      *
-     * @return integer
+     * @return int
      */
-    abstract protected function getLifetime();
+    abstract public function getLifetime();
 
     /**
      * 获取键值
      *
-     * @param mixed $params
+     * @param mixed $id
      * @return string
      */
-    abstract protected function getKey($params = null);
+    abstract public function getKey($id = null);
 
     /**
      * 获取原始内容
      *
-     * @param mixed $params
+     * @param mixed $id
      * @return mixed
      */
-    abstract protected function getContent($params = null);
+    abstract public function getContent($id = null);
 
 }
diff --git a/app/Caches/Category.php b/app/Caches/Category.php
index f3027f75..a53e17ac 100644
--- a/app/Caches/Category.php
+++ b/app/Caches/Category.php
@@ -1,57 +1,35 @@
 <?php
 
-namespace App\Library\Cache;
+namespace App\Caches;
 
-use App\Exceptions\NotFound as ModelNotFoundException;
-use App\Models\Category as CategoryModel;
+use App\Repos\Category as CategoryRepo;
 
-class Category extends \Phalcon\Di\Injectable
+class Category extends Cache
 {
 
-    private $lifetime = 86400 * 30;
-
-    public function getOrFail($id)
-    {
-        $result = $this->getById($id);
-
-        if (!$result) {
-            throw new ModelNotFoundException('category.not_found');
-        }
-
-        return $result;
-    }
-
-    public function get($id)
-    {
-        $cacheOptions = [
-            'key' => $this->getKey($id),
-            'lifetime' => $this->getLifetime(),
-        ];
-
-        $result = CategoryModel::query()
-                ->where('id = :id:', ['id' => $id])
-                ->cache($cacheOptions)
-                ->execute()
-                ->getFirst();
-
-        return $result;
-    }
-
-    public function delete($id)
-    {
-        $key = $this->getKey($id);
-
-        $this->modelsCache->delete($key);
-    }
-
-    public function getKey($id)
-    {
-        return "category:{$id}";
-    }
+    protected $lifetime = 365 * 86400;
 
     public function getLifetime()
     {
         return $this->lifetime;
     }
 
+    public function getKey($id = null)
+    {
+        return "category:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $categoryRepo = new CategoryRepo();
+
+        $category = $categoryRepo->findById($id);
+
+        if (!$category) {
+            return new \stdClass();
+        }
+
+        return $category;
+    }
+
 }
diff --git a/app/Caches/CategoryList.php b/app/Caches/CategoryList.php
new file mode 100644
index 00000000..a44f708d
--- /dev/null
+++ b/app/Caches/CategoryList.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Caches;
+
+use App\Models\Category as CategoryModel;
+
+class CategoryList extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'category_list';
+    }
+
+    /**
+     * @param null $id
+     * @return array
+     */
+    public function getContent($id = null)
+    {
+        $categories = CategoryModel::query()
+            ->columns(['id', 'parent_id', 'name', 'priority', 'level', 'path'])
+            ->where('published = 1 AND deleted = 0')
+            ->execute();
+
+        if ($categories->count() == 0) {
+            return [];
+        }
+
+        return $categories->toArray();
+    }
+
+}
diff --git a/app/Caches/CategoryTreeList.php b/app/Caches/CategoryTreeList.php
new file mode 100644
index 00000000..b14ed69e
--- /dev/null
+++ b/app/Caches/CategoryTreeList.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Caches;
+
+use App\Builders\CategoryList as CategoryTreeListBuilder;
+use App\Models\Category as CategoryModel;
+
+class CategoryTreeList extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'category_tree';
+    }
+
+    public function getContent($id = null)
+    {
+        $categories = CategoryModel::query()
+            ->where('published = 1 AND deleted = 0')
+            ->execute();
+
+        if ($categories->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($categories);
+    }
+
+    /**
+     * @param \App\Models\Category[] $categories
+     * @return array
+     */
+    protected function handleContent($categories)
+    {
+        $items = $categories->toArray();
+
+        $builder = new CategoryTreeListBuilder();
+
+        $content = $builder->handleTreeList($items);
+
+        return $content;
+    }
+
+}
diff --git a/app/Caches/Chapter.php b/app/Caches/Chapter.php
new file mode 100644
index 00000000..4166fc96
--- /dev/null
+++ b/app/Caches/Chapter.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Chapter as ChapterRepo;
+
+class Chapter extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "chapter:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $chapterRepo = new ChapterRepo();
+
+        $chapter = $chapterRepo->findById($id);
+
+        if (!$chapter) {
+            return new \stdClass();
+        }
+
+        return $chapter;
+    }
+
+}
diff --git a/app/Caches/ChapterCounter.php b/app/Caches/ChapterCounter.php
new file mode 100644
index 00000000..4a8e1278
--- /dev/null
+++ b/app/Caches/ChapterCounter.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Chapter as ChapterRepo;
+
+class ChapterCounter extends Counter
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "chapter_counter:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $chapterRepo = new ChapterRepo();
+
+        $chapter = $chapterRepo->findById($id);
+
+        if (!$chapter) return [];
+
+        $content = [
+            'lesson_count' => $chapter->lesson_count,
+            'user_count' => $chapter->user_count,
+            'comment_count' => $chapter->comment_count,
+            'like_count' => $chapter->like_count,
+        ];
+
+        return $content;
+    }
+
+}
diff --git a/app/Caches/Config.php b/app/Caches/Config.php
index d5c788ac..4b13dd6a 100644
--- a/app/Caches/Config.php
+++ b/app/Caches/Config.php
@@ -13,19 +13,21 @@ class Config extends Cache
      * 获取某组配置项
      *
      * @param string $section
-     * @return \stdClass|null
+     * @return array
      */
     public function getSectionConfig($section)
     {
         $items = $this->get();
 
-        if (!$items) return;
+        $result = [];
 
-        $result = new \stdClass();
+        if (!$items) {
+            return $result;
+        }
 
         foreach ($items as $item) {
-            if ($item->section == $section) {
-                $result->{$item->item_key} = $item->item_value;
+            if ($item['section'] == $section) {
+                $result[$item['item_key']] = $item['item_value'];
             }
         }
 
@@ -43,28 +45,28 @@ class Config extends Cache
     {
         $config = $this->getSectionConfig($section);
 
-        $result = $config->{$key} ?? null;
+        $result = $config[$key] ?? null;
 
         return $result;
     }
 
-    protected function getLifetime()
+    public function getLifetime()
     {
         return $this->lifetime;
     }
 
-    protected function getKey($params = null)
+    public function getKey($id = null)
     {
-        return 'site_config';
+        return 'config';
     }
 
-    protected function getContent($params = null)
+    public function getContent($id = null)
     {
         $configRepo = new ConfigRepo();
 
         $items = $configRepo->findAll();
 
-        return $items;
+        return $items->toArray();
     }
 
 }
diff --git a/app/Caches/Counter.php b/app/Caches/Counter.php
new file mode 100644
index 00000000..3e915d51
--- /dev/null
+++ b/app/Caches/Counter.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace App\Caches;
+
+abstract class Counter extends \Phalcon\Mvc\User\Component
+{
+
+    /**
+     * @var \App\Library\Cache\Backend\Redis
+     */
+    protected $cache;
+
+    /**
+     * @var \Redis
+     */
+    protected $redis;
+
+    public function __construct()
+    {
+        $this->cache = $this->getDI()->get('cache');
+
+        $this->redis = $this->cache->getRedis();
+    }
+
+    /**
+     * 获取缓存内容
+     *
+     * @param mixed $id
+     * @return array
+     */
+    public function get($id = null)
+    {
+        $key = $this->getKey($id);
+
+        $content = $this->redis->hGetAll($key);
+
+        if (!$this->cache->exists($key)) {
+
+            $content = $this->getContent($id);
+
+            $lifetime = $this->getLifetime();
+
+            /**
+             * 原始内容为空，设置较短的生存时间，简单防止穿透
+             */
+            if (!$content) {
+
+                $lifetime = 5 * 60;
+
+                $content = ['default' => 0];
+            }
+
+            $this->redis->hMSet($key, $content);
+
+            $this->redis->expire($key, $lifetime);
+        }
+
+        return $content;
+    }
+
+    /**
+     * 删除缓存内容
+     *
+     * @param mixed $id
+     */
+    public function delete($id = null)
+    {
+        $key = $this->getKey($id);
+
+        $this->cache->delete($key);
+    }
+
+    /**
+     * 重建缓存内容
+     *
+     * @param mixed $id
+     */
+    public function rebuild($id = null)
+    {
+        $this->delete($id);
+
+        $this->get($id);
+    }
+
+    public function increment($id, $hashKey, $value = 1)
+    {
+        $key = $this->getKey($id);
+
+        $this->redis->hIncrBy($key, $hashKey, $value);
+    }
+
+    public function decrement($id, $hashKey, $value = 1)
+    {
+        $key = $this->getKey($id);
+
+        $this->redis->hIncrBy($key, $hashKey, 0 - $value);
+    }
+
+    /**
+     * 获取缓存有效期
+     *
+     * @return int
+     */
+    abstract public function getLifetime();
+
+    /**
+     * 获取键值
+     *
+     * @param mixed $id
+     * @return string
+     */
+    abstract public function getKey($id = null);
+
+    /**
+     * 获取原始内容
+     *
+     * @param mixed $id
+     * @return mixed
+     */
+    abstract public function getContent($id = null);
+
+}
diff --git a/app/Caches/Course.php b/app/Caches/Course.php
index 34eb7853..ee0f7009 100644
--- a/app/Caches/Course.php
+++ b/app/Caches/Course.php
@@ -1,57 +1,35 @@
 <?php
 
-namespace App\Library\Cache;
+namespace App\Caches;
 
-use App\Exceptions\NotFound as ModelNotFoundException;
-use App\Models\Course as CourseModel;
+use App\Repos\Course as CourseRepo;
 
-class Course extends \Phalcon\Di\Injectable
+class Course extends Cache
 {
 
-    private $lifetime = 86400;
-
-    public function getOrFail($id)
-    {
-        $result = $this->getById($id);
-
-        if (!$result) {
-            throw new ModelNotFoundException('course.not_found');
-        }
-
-        return $result;
-    }
-
-    public function get($id)
-    {
-        $cacheOptions = [
-            'key' => $this->getKey($id),
-            'lifetime' => $this->getLifetime(),
-        ];
-
-        $result = CourseModel::query()
-                ->where('id = :id:', ['id' => $id])
-                ->cache($cacheOptions)
-                ->execute()
-                ->getFirst();
-
-        return $result;
-    }
-
-    public function delete($id)
-    {
-        $key = $this->getKey($id);
-
-        $this->modelsCache->delete($key);
-    }
-
-    public function getKey($id)
-    {
-        return "course:{$id}";
-    }
+    protected $lifetime = 7 * 86400;
 
     public function getLifetime()
     {
         return $this->lifetime;
     }
 
+    public function getKey($id = null)
+    {
+        return "course:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $course = $courseRepo->findById($id);
+
+        if (!$course) {
+            return new \stdClass();
+        }
+
+        return $course;
+    }
+
 }
diff --git a/app/Caches/CourseCategoryList.php b/app/Caches/CourseCategoryList.php
new file mode 100644
index 00000000..3b72400f
--- /dev/null
+++ b/app/Caches/CourseCategoryList.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Course as CourseRepo;
+
+class CourseCategoryList extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "course_category_list:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $categories = $courseRepo->findCategories($id);
+
+        if ($categories->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($categories);
+    }
+
+    /**
+     * @param \App\Models\Category[] $categories
+     * @return array
+     */
+    public function handleContent($categories)
+    {
+        $result = [];
+
+        foreach ($categories as $category) {
+            $result[] = [
+                'id' => $category->id,
+                'name' => $category->name,
+            ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Caches/CourseChapterList.php b/app/Caches/CourseChapterList.php
new file mode 100644
index 00000000..abdf924c
--- /dev/null
+++ b/app/Caches/CourseChapterList.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Caches;
+
+use App\Builders\ChapterList as ChapterListBuilder;
+use App\Repos\Course as CourseRepo;
+
+class CourseChapterList extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "course_chapter_list:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $chapters = $courseRepo->findChapters($id);
+
+        if ($chapters->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($chapters);
+    }
+
+    /**
+     * @param \App\Models\Chapter[] $chapters
+     * @return array
+     */
+    protected function handleContent($chapters)
+    {
+        $items = $chapters->toArray();
+
+        $builder = new ChapterListBuilder();
+
+        $content = $builder->handleTreeList($items);
+
+        return $content;
+    }
+
+}
diff --git a/app/Caches/CourseCounter.php b/app/Caches/CourseCounter.php
new file mode 100644
index 00000000..301065fe
--- /dev/null
+++ b/app/Caches/CourseCounter.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Course as CourseRepo;
+
+class CourseCounter extends Counter
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "course_counter:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $course = $courseRepo->findById($id);
+
+        if (!$course) return [];
+
+        $content = [
+            'user_count' => $course->user_count,
+            'lesson_count' => $course->lesson_count,
+            'comment_count' => $course->comment_count,
+            'review_count' => $course->review_count,
+            'favorite_count' => $course->favorite_count,
+        ];
+
+        return $content;
+    }
+
+}
diff --git a/app/Caches/CoursePackageList.php b/app/Caches/CoursePackageList.php
new file mode 100644
index 00000000..4c7e48a2
--- /dev/null
+++ b/app/Caches/CoursePackageList.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Course as CourseRepo;
+
+class CoursePackageList extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "course_package_list:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $packages = $courseRepo->findPackages($id);
+
+        if ($packages->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($packages);
+    }
+
+    /**
+     * @param \App\Models\Package[] $packages
+     * @return array
+     */
+    protected function handleContent($packages)
+    {
+        $result = [];
+
+        foreach ($packages as $package) {
+
+            $courses = $this->getPackageCourses($package->id);
+
+            $result[] = [
+                'id' => $package->id,
+                'title' => $package->title,
+                'market_price' => $package->market_price,
+                'vip_price' => $package->vip_price,
+                'courses' => $courses,
+            ];
+        }
+
+        return $result;
+    }
+
+    protected function getPackageCourses($packageId)
+    {
+        $packageRepo = new PackageRepo();
+
+        $courses = $packageRepo->findCourses($packageId);
+
+        $result = [];
+
+        foreach ($courses as $course) {
+            $result[] = [
+                'id' => $course->id,
+                'model' => $course->model,
+                'title' => $course->title,
+                'summary' => $course->summary,
+                'cover' => $course->cover,
+                'market_price' => $course->market_price,
+                'vip_price' => $course->vip_price,
+            ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Caches/CourseRelatedList.php b/app/Caches/CourseRelatedList.php
new file mode 100644
index 00000000..54a8c53a
--- /dev/null
+++ b/app/Caches/CourseRelatedList.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Course as CourseRepo;
+
+class CourseRelatedList extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "course_related_list:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $courses = $courseRepo->findRelatedCourses($id);
+
+        if ($courses->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($courses);
+    }
+
+
+    /**
+     * @param \App\Models\Course[] $courses
+     * @return array
+     */
+    public function handleContent($courses)
+    {
+        $result = [];
+
+        foreach ($courses as $course) {
+            $result[] = [
+                'id' => $course->id,
+                'model' => $course->model,
+                'title' => $course->title,
+                'cover' => $course->cover,
+                'summary' => $course->summary,
+                'market_price' => $course->market_price,
+                'vip_price' => $course->vip_price,
+            ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Caches/CourseTeacherList.php b/app/Caches/CourseTeacherList.php
new file mode 100644
index 00000000..a8d34d9d
--- /dev/null
+++ b/app/Caches/CourseTeacherList.php
@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Course as CourseRepo;
+
+class CourseTeacherList extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "course_teacher_list:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $users = $courseRepo->findTeachers($id);
+
+        if ($users->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($users);
+    }
+
+    /**
+     * @param \App\Models\User[] $users
+     * @return array
+     */
+    public function handleContent($users)
+    {
+        $result = [];
+
+        foreach ($users as $user) {
+            $result[] = [
+                'id' => $user->id,
+                'name' => $user->name,
+                'avatar' => $user->avatar,
+                'title' => $user->title,
+                'about' => $user->about,
+            ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Caches/CourseUser.php b/app/Caches/CourseUser.php
new file mode 100644
index 00000000..1fedc9b4
--- /dev/null
+++ b/app/Caches/CourseUser.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\CourseUser as CourseUserRepo;
+
+class CourseUser extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    /**
+     * id = {$courseId}_{$userId}
+     *
+     * @param string $id
+     * @return string
+     */
+    public function getKey($id = null)
+    {
+        return "course_user:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        list($courseId, $userId) = explode('_', $id);
+
+        $courseUserRepo = new CourseUserRepo();
+
+        $courseUser = $courseUserRepo->findCourseUser($courseId, $userId);
+
+        if (!$courseUser) {
+            return new \stdClass();
+        }
+
+        return $courseUser;
+    }
+
+}
diff --git a/app/Caches/HotCourseList.php b/app/Caches/HotCourseList.php
new file mode 100644
index 00000000..09e5e374
--- /dev/null
+++ b/app/Caches/HotCourseList.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Course as CourseRepo;
+
+class HotCourseList extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'hot_course_list';
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $courses = $courseRepo->findRelatedCourses($id);
+
+        if ($courses->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($courses);
+    }
+
+
+    /**
+     * @param \App\Models\Course[] $courses
+     * @return array
+     */
+    public function handleContent($courses)
+    {
+        $result = [];
+
+        foreach ($courses as $course) {
+            $result[] = [
+                'id' => $course->id,
+                'model' => $course->model,
+                'title' => $course->title,
+                'summary' => $course->summary,
+                'cover' => $course->cover,
+                'market_price' => $course->market_price,
+                'vip_price' => $course->vip_price,
+            ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Caches/HotTeacherList.php b/app/Caches/HotTeacherList.php
new file mode 100644
index 00000000..d16c5579
--- /dev/null
+++ b/app/Caches/HotTeacherList.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Caches;
+
+class HotTeacherList extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'hot_teacher_list';
+    }
+
+    public function getContent($id = null)
+    {
+
+    }
+
+    protected function handleContent($users)
+    {
+
+    }
+
+}
diff --git a/app/Caches/LatestCourseList.php b/app/Caches/LatestCourseList.php
new file mode 100644
index 00000000..3f715e72
--- /dev/null
+++ b/app/Caches/LatestCourseList.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\Course as CourseRepo;
+
+class LatestCourseList extends Cache
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'latest_course_list';
+    }
+
+    public function getContent($id = null)
+    {
+        $courseRepo = new CourseRepo();
+
+        $courses = $courseRepo->findRelatedCourses($id);
+
+        if ($courses->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($courses);
+    }
+
+
+    /**
+     * @param \App\Models\Course[] $courses
+     * @return array
+     */
+    public function handleContent($courses)
+    {
+        $result = [];
+
+        foreach ($courses as $course) {
+            $result[] = [
+                'id' => $course->id,
+                'model' => $course->model,
+                'title' => $course->title,
+                'summary' => $course->summary,
+                'cover' => $course->cover,
+                'market_price' => $course->market_price,
+                'vip_price' => $course->vip_price,
+            ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Caches/MaxChapterId.php b/app/Caches/MaxChapterId.php
new file mode 100644
index 00000000..4e2167a8
--- /dev/null
+++ b/app/Caches/MaxChapterId.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Caches;
+
+use App\Models\Chapter as ChapterModel;
+
+class MaxChapterId extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'max_chapter_id';
+    }
+
+    public function getContent($id = null)
+    {
+        $chapter = ChapterModel::findFirst(['order' => 'id DESC']);
+
+        return $chapter->id;
+    }
+
+}
diff --git a/app/Caches/MaxCourseId.php b/app/Caches/MaxCourseId.php
new file mode 100644
index 00000000..bbcc41eb
--- /dev/null
+++ b/app/Caches/MaxCourseId.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Caches;
+
+use App\Models\Course as CourseModel;
+
+class MaxCourseId extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'max_course_id';
+    }
+
+    public function getContent($id = null)
+    {
+        $course = CourseModel::findFirst(['order' => 'id DESC']);
+
+        return $course->id;
+    }
+
+}
diff --git a/app/Caches/MaxUserId.php b/app/Caches/MaxUserId.php
new file mode 100644
index 00000000..2724c06c
--- /dev/null
+++ b/app/Caches/MaxUserId.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Caches;
+
+use App\Models\User as UserModel;
+
+class MaxUserId extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'max_user_id';
+    }
+
+    public function getContent($id = null)
+    {
+        $course = UserModel::findFirst(['order' => 'id DESC']);
+
+        return $course->id;
+    }
+
+}
diff --git a/app/Caches/Nav.php b/app/Caches/Nav.php
deleted file mode 100644
index 1754b36f..00000000
--- a/app/Caches/Nav.php
+++ /dev/null
@@ -1,53 +0,0 @@
-<?php
-
-namespace App\Caches;
-
-use App\Repos\Nav as NavRepo;
-
-class Nav extends Cache
-{
-
-    protected $lifetime = 365 * 86400;
-
-    public function getTopNav()
-    {
-        $items = $this->get();
-
-        if (!$items) return;
-
-        $result = new \stdClass();
-
-        foreach ($items as $item) {
-            if ($item->position == 'top') {
-                $result->{$item->item_key} = $item->item_value;
-            }
-        }
-
-        return $result;
-    }
-
-    public function getBottomNav()
-    {
-
-    }
-
-    protected function getLifetime()
-    {
-        return $this->lifetime;
-    }
-
-    protected function getKey($params = null)
-    {
-        return 'nav';
-    }
-
-    protected function getContent($params = null)
-    {
-        $navRepo = new NavRepo();
-
-        $items = $navRepo->findAll();
-
-        return $items;
-    }
-
-}
diff --git a/app/Caches/NavTreeList.php b/app/Caches/NavTreeList.php
new file mode 100644
index 00000000..2aaf88ef
--- /dev/null
+++ b/app/Caches/NavTreeList.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace App\Caches;
+
+use App\Builders\NavList as NavListBuilder;
+use App\Models\Nav as NavModel;
+
+class NavTreeList extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'nav_tree_list';
+    }
+
+    public function getContent($id = null)
+    {
+        $navs = NavModel::query()
+            ->where('published = 1 AND deleted = 0')
+            ->orderBy('position ASC, priority ASC')
+            ->execute();
+
+        if ($navs->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($navs);
+    }
+
+    /**
+     * @param \App\Models\Nav[] $navs
+     * @return array
+     */
+    protected function handleContent($navs)
+    {
+        $list = [
+            'top' => [],
+            'bottom' => [],
+        ];
+
+        foreach ($navs->toArray() as $nav) {
+            if ($nav['position'] == 'top') {
+                $list['top'][] = $nav;
+            } elseif ($nav['position'] == 'bottom') {
+                $list['bottom'][] = $nav;
+            }
+        }
+
+        $builder = new NavListBuilder();
+
+        $content = [
+            'top' => $builder->handleTreeList($list['top']),
+            'bottom' => $builder->handleTreeList($list['bottom']),
+        ];
+
+        return $content;
+    }
+
+}
diff --git a/app/Caches/SlideList.php b/app/Caches/SlideList.php
new file mode 100644
index 00000000..91cd6f53
--- /dev/null
+++ b/app/Caches/SlideList.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Caches;
+
+use App\Models\Slide as SlideModel;
+
+class SlideList extends Cache
+{
+
+    protected $lifetime = 365 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'slide_list';
+    }
+
+    public function getContent($id = null)
+    {
+        $slides = SlideModel::query()
+            ->columns(['id', 'title', 'cover', 'summary', 'target', 'content'])
+            ->where('published = 1 AND deleted = 0')
+            ->orderBy('priority ASC')
+            ->execute();
+
+        if ($slides->count() == 0) {
+            return [];
+        }
+
+        return $this->handleContent($slides);
+    }
+
+    /**
+     * @param \App\Models\Slide[] $slides
+     * @return array
+     */
+    protected function handleContent($slides)
+    {
+        $result = [];
+
+        foreach ($slides as $slide) {
+            $result[] = [
+                'id' => $slide->id,
+                'title' => $slide->title,
+                'cover' => $slide->cover,
+                'summary' => $slide->summary,
+                'target' => $slide->target,
+                'content' => $slide->content,
+            ];
+        }
+
+        return $result;
+    }
+
+}
diff --git a/app/Caches/User.php b/app/Caches/User.php
index 86392d44..dd4be9b1 100644
--- a/app/Caches/User.php
+++ b/app/Caches/User.php
@@ -1,57 +1,35 @@
 <?php
 
-namespace App\Library\Cache;
+namespace App\Caches;
 
-use App\Exceptions\NotFound as ModelNotFoundException;
-use App\Models\User as UserModel;
+use App\Repos\User as UserRepo;
 
-class User extends \Phalcon\Di\Injectable
+class User extends Cache
 {
 
-    private $lifetime = 86400 * 30;
-
-    public function getOrFail($id)
-    {
-        $result = $this->getById($id);
-
-        if (!$result) {
-            throw new ModelNotFoundException('user.not_found');
-        }
-
-        return $result;
-    }
-
-    public function get($id)
-    {
-        $cacheOptions = [
-            'key' => $this->getKey($id),
-            'lifetime' => $this->getLifetime(),
-        ];
-
-        $result = UserModel::query()
-                ->where('id = :id:', ['id' => $id])
-                ->cache($cacheOptions)
-                ->execute()
-                ->getFirst();
-
-        return $result;
-    }
-
-    public function delete($id)
-    {
-        $key = $this->getKey($id);
-
-        $this->modelsCache->delete($key);
-    }
-
-    public function getKey($id)
-    {
-        return "user:{$id}";
-    }
+    protected $lifetime = 7 * 86400;
 
     public function getLifetime()
     {
         return $this->lifetime;
     }
 
+    public function getKey($id = null)
+    {
+        return "user:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $userRepo = new UserRepo();
+
+        $user = $userRepo->findById($id);
+
+        if (!$user) {
+            return new \stdClass();
+        }
+
+        return $user;
+    }
+
 }
diff --git a/app/Caches/UserCounter.php b/app/Caches/UserCounter.php
new file mode 100644
index 00000000..3fc5c30c
--- /dev/null
+++ b/app/Caches/UserCounter.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Caches;
+
+use App\Repos\User as UserRepo;
+
+class UserCounter extends Counter
+{
+
+    protected $lifetime = 7 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return "user_counter:{$id}";
+    }
+
+    public function getContent($id = null)
+    {
+        $userRepo = new UserRepo();
+
+        $user = $userRepo->findById($id);
+
+        if (!$user) return [];
+
+        $content = [
+            'notice_count' => $user->notice_count,
+            'msg_count' => $user->msg_count,
+        ];
+
+        return $content;
+    }
+
+}
diff --git a/app/Console/Tasks/CleanLogTask.php b/app/Console/Tasks/CleanLogTask.php
index 651980bf..5fe91b98 100644
--- a/app/Console/Tasks/CleanLogTask.php
+++ b/app/Console/Tasks/CleanLogTask.php
@@ -123,7 +123,7 @@ class CleanLogTask extends Task
      * 清理日志文件
      *
      * @param string $prefix
-     * @param integer $keepDays 保留天数
+     * @param int $keepDays 保留天数
      * @return mixed
      */
     protected function cleanLog($prefix, $keepDays)
diff --git a/app/Console/Tasks/CloseOrderTask.php b/app/Console/Tasks/CloseOrderTask.php
index 711a2b4b..9ebbe234 100644
--- a/app/Console/Tasks/CloseOrderTask.php
+++ b/app/Console/Tasks/CloseOrderTask.php
@@ -25,7 +25,7 @@ class CloseOrderTask extends Task
     /**
      * 查找待关闭订单
      *
-     * @param integer $limit
+     * @param int $limit
      * @return \Phalcon\Mvc\Model\ResultsetInterface
      */
     protected function findOrders($limit = 1000)
diff --git a/app/Console/Tasks/CloseSlideTask.php b/app/Console/Tasks/CloseSlideTask.php
new file mode 100644
index 00000000..c3b16e75
--- /dev/null
+++ b/app/Console/Tasks/CloseSlideTask.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace App\Console\Tasks;
+
+use App\Models\Slide as SlideModel;
+use Phalcon\Cli\Task;
+
+class CloseSlideTask extends Task
+{
+
+    public function mainAction()
+    {
+        $slides = $this->findSlides();
+
+        if ($slides->count() == 0) {
+            return;
+        }
+
+        foreach ($slides as $slide) {
+            $slide->published = 0;
+            $slide->update();
+        }
+    }
+
+    /**
+     * 查找待关闭轮播
+     *
+     * @return \Phalcon\Mvc\Model\ResultsetInterface
+     */
+    protected function findSlides()
+    {
+        $Slides = SlideModel::query()
+            ->where('published = 1')
+            ->andWhere('end_time < :end_time:', ['end_time' => time()])
+            ->execute();
+
+        return $Slides;
+    }
+
+}
diff --git a/app/Console/Tasks/CloseTradeTask.php b/app/Console/Tasks/CloseTradeTask.php
index f87cda90..5907ab1f 100644
--- a/app/Console/Tasks/CloseTradeTask.php
+++ b/app/Console/Tasks/CloseTradeTask.php
@@ -73,7 +73,7 @@ class CloseTradeTask extends Task
     /**
      * 查找待关闭交易
      *
-     * @param integer $limit
+     * @param int $limit
      * @return \Phalcon\Mvc\Model\ResultsetInterface
      */
     protected function findTrades($limit = 5)
diff --git a/app/Console/Tasks/CountCourseTask.php b/app/Console/Tasks/CountCourseTask.php
index 6c065d0d..61687c82 100644
--- a/app/Console/Tasks/CountCourseTask.php
+++ b/app/Console/Tasks/CountCourseTask.php
@@ -10,15 +10,15 @@ class CountCourseTask extends Task
 
     public function mainAction()
     {
-        $repo = new CategoryRepo();
+        $categoryRepo = new CategoryRepo();
 
         $mapping = [];
 
-        $subCategories = $repo->findAll(['level' => 2, 'deleted' => 0]);
+        $subCategories = $categoryRepo->findAll(['level' => 2, 'deleted' => 0]);
 
         foreach ($subCategories as $category) {
 
-            $courseCount = $repo->countCourses($category->id);
+            $courseCount = $categoryRepo->countCourses($category->id);
             $category->course_count = $courseCount;
             $category->update();
 
@@ -31,7 +31,7 @@ class CountCourseTask extends Task
             }
         }
 
-        $topCategories = $repo->findAll(['level' => 1, 'deleted' => 0]);
+        $topCategories = $categoryRepo->findAll(['level' => 1, 'deleted' => 0]);
 
         foreach ($topCategories as $category) {
             if (isset($mapping[$category->id])) {
diff --git a/app/Console/Tasks/ImageSyncTask.php b/app/Console/Tasks/ImageSyncTask.php
index 8aac31b0..ba158793 100644
--- a/app/Console/Tasks/ImageSyncTask.php
+++ b/app/Console/Tasks/ImageSyncTask.php
@@ -13,24 +13,40 @@ class ImageSyncTask extends Task
     public function mainAction()
     {
         $courses = Course::query()
-        ->where('id = 42')
-        ->execute();
+            ->where('id > 1155')
+            ->execute();
 
         $storage = new Storage();
 
         foreach ($courses as $course) {
+
             $cover = $course->cover;
+
             if (Text::startsWith($cover, '//')) {
                 $cover = 'http:' . $cover;
             }
-            $url = str_replace('-240-135', '', $cover);
+
+            $url = str_replace('-360-202', '', $cover);
 
             $fileName = parse_url($url, PHP_URL_PATH);
             $filePath = tmp_path() . $fileName;
             $content = file_get_contents($url);
-            file_put_contents($filePath, $content);
+
+            if ($content === false) {
+                echo "get course {$course->id} cover failed" . PHP_EOL;
+                return;
+            }
+
+            $put = file_put_contents($filePath, $content);
+
+            if ($put === false) {
+                echo "put course {$course->id} cover failed" . PHP_EOL;
+                return;
+            }
+
             $keyName = $this->getKeyName($filePath);
             $remoteUrl = $storage->putFile($keyName, $filePath);
+
             if ($remoteUrl) {
                 $course->cover = $keyName;
                 $course->update();
diff --git a/app/Console/Tasks/LearningTask.php b/app/Console/Tasks/LearningTask.php
index be1918df..59a5d700 100644
--- a/app/Console/Tasks/LearningTask.php
+++ b/app/Console/Tasks/LearningTask.php
@@ -2,6 +2,7 @@
 
 namespace App\Console\Tasks;
 
+use App\Models\Course as CourseModel;
 use App\Models\Learning as LearningModel;
 use App\Repos\Chapter as ChapterRepo;
 use App\Repos\ChapterUser as ChapterUserRepo;
@@ -24,9 +25,7 @@ class LearningTask extends Task
 
         $keys = $this->cache->queryKeys('learning:');
 
-        if (empty($keys)) {
-            return;
-        }
+        if (!$keys) return;
 
         $keys = array_slice($keys, 0, 500);
 
@@ -40,32 +39,21 @@ class LearningTask extends Task
     {
         $content = $this->cache->get($key);
 
-        if (empty($content->user_id)) {
-            return;
-        }
-
-        if (!empty($content->client_ip)) {
-            $region = kg_ip2region($content->client_ip);
-            $content->country = $region->country;
-            $content->province = $region->province;
-            $content->city = $region->city;
-        }
+        if (!$content) return;
 
         $learningRepo = new LearningRepo();
 
-        $learning = $learningRepo->findByRequestId($content->request_id);
+        $learning = $learningRepo->findByRequestId($content['request_id']);
 
         if (!$learning) {
             $learning = new LearningModel();
-            $data = kg_object_array($content);
-            $learning->create($data);
+            $learning->create($content);
         } else {
-            $learning->duration += $content->duration;
+            $learning->duration += $content['duration'];
             $learning->update();
         }
 
-        $this->updateChapterUser($content->chapter_id, $content->user_id, $content->duration, $content->position);
-        $this->updateCourseUser($content->course_id, $content->user_id, $content->duration);
+        $this->updateChapterUser($content['chapter_id'], $content['user_id'], $content['duration'], $content['position']);
 
         $this->cache->delete($key);
     }
@@ -76,63 +64,87 @@ class LearningTask extends Task
 
         $chapterUser = $chapterUserRepo->findChapterUser($chapterId, $userId);
 
-        if (!$chapterUser) {
-            return;
-        }
+        if (!$chapterUser) return;
 
         $chapterRepo = new ChapterRepo();
 
         $chapter = $chapterRepo->findById($chapterId);
 
-        if (!$chapter) {
-            return;
-        }
+        if (!$chapter) return;
 
-        $chapter->duration = $chapter->attrs['duration'] ?: 0;
+        $chapterModel = $chapter->attrs['model'];
 
         $chapterUser->duration += $duration;
-        $chapterUser->position = floor($position);
 
         /**
-         * 观看时长超过视频时长80%标记完成学习
+         * 消费规则
+         * 1.点播观看时间大于时长30%
+         * 2.直播观看时间超过10分钟
+         * 3.图文浏览即消费
          */
-        if ($chapterUser->duration > $chapter->duration * 0.8) {
-            if ($chapterUser->finished == 0) {
-                $chapterUser->finished = 1;
-                $this->updateCourseProgress($chapterUser->course_id, $chapterUser->user_id);
-            }
+        if ($chapterModel == CourseModel::MODEL_VOD) {
+
+            $chapterDuration = $chapter->attrs['duration'] ?: 300;
+
+            $progress = floor(100 * $chapterUser->duration / $chapterDuration);
+
+            $chapterUser->position = floor($position);
+            $chapterUser->progress = $progress < 100 ? $progress : 100;
+            $chapterUser->consumed = $chapterUser->duration > 0.3 * $chapterDuration ? 1 : 0;
+
+        } elseif ($chapterModel == CourseModel::MODEL_LIVE) {
+
+            $chapterUser->consumed = $chapterUser->duration > 600 ? 1 : 0;
+
+        } elseif ($chapterModel == CourseModel::MODEL_READ) {
+
+            $chapterUser->consumed = 1;
         }
 
         $chapterUser->update();
-    }
 
-    protected function updateCourseUser($courseId, $userId, $duration)
-    {
-        $courseUserRepo = new CourseUserRepo();
-
-        $courseUser = $courseUserRepo->findCourseUser($courseId, $userId);
-
-        if ($courseUser) {
-            $courseUser->duration += $duration;
-            $courseUser->update();
+        if ($chapterUser->consumed == 1) {
+            $this->updateCourseUser($chapterUser->course_id, $chapterUser->user_id);
         }
     }
 
-    protected function updateCourseProgress($courseId, $userId)
+    protected function updateCourseUser($courseId, $userId)
     {
-        $courseUserRepo = new CourseUserRepo();
-
-        $courseUser = $courseUserRepo->findCourseUser($courseId, $userId);
-
         $courseRepo = new CourseRepo();
 
-        $course = $courseRepo->findById($courseId);
+        $courseLessons = $courseRepo->findLessons($courseId);
 
-        if ($courseUser) {
-            $count = $courseUserRepo->countFinishedChapters($courseId, $userId);
-            $courseUser->progress = intval(100 * $count / $course->lesson_count);
-            $courseUser->update();
+        if ($courseLessons->count() == 0) {
+            return;
         }
+
+        $userLearnings = $courseRepo->findConsumedUserLearnings($courseId, $userId);
+
+        if ($userLearnings->count() == 0) {
+            return;
+        }
+
+        $duration = 0;
+
+        foreach ($userLearnings as $learning) {
+            $duration += $learning->duration;
+        }
+
+        $courseLessonIds = kg_array_column($courseLessons->toArray(), 'id');
+        $userLessonIds = kg_array_column($userLearnings->toArray(), 'chapter_id');
+        $consumedLessonIds = array_intersect($courseLessonIds, $userLessonIds);
+
+        $totalCount = count($courseLessonIds);
+        $consumedCount = count($consumedLessonIds);
+        $progress = intval(100 * $consumedCount / $totalCount);
+
+        $courseUserRepo = new CourseUserRepo();
+
+        $courseUser = $courseUserRepo->findCourseUser($courseId, $userId);
+
+        $courseUser->progress = $progress;
+        $courseUser->duration = $duration;
+        $courseUser->update();
     }
 
 }
diff --git a/app/Console/Tasks/ManageCourseIndexTask.php b/app/Console/Tasks/ManageCourseIndexTask.php
new file mode 100644
index 00000000..5584be01
--- /dev/null
+++ b/app/Console/Tasks/ManageCourseIndexTask.php
@@ -0,0 +1,130 @@
+<?php
+
+namespace App\Console\Tasks;
+
+use App\Models\Course as CourseModel;
+use App\Searchers\CourseDocumenter;
+use App\Searchers\CourseSearcher;
+use Phalcon\Cli\Task;
+
+class ManageCourseIndexTask extends Task
+{
+
+    /**
+     * 搜索测试
+     *
+     * @command: php console.php manage_course_index search {query}
+     * @param array $params
+     * @throws \XSException
+     */
+    public function searchAction($params)
+    {
+        $query = $params[0] ?? null;
+
+        if (!$query) {
+            exit("please special a query word" . PHP_EOL);
+        }
+
+        $result = $this->searchCourses($query);
+
+        var_export($result);
+    }
+
+    /**
+     * 清空索引
+     *
+     * @command: php console.php manage_course_index clean
+     */
+    public function cleanAction()
+    {
+        $this->cleanCourseIndex();
+    }
+
+    /**
+     * 重建索引
+     *
+     * @command: php console.php manage_course_index rebuild
+     */
+    public function rebuildAction()
+    {
+        $this->rebuildCourseIndex();
+    }
+
+    /**
+     * 清空索引
+     */
+    protected function cleanCourseIndex()
+    {
+        $searcher = new CourseSearcher();
+
+        $index = $searcher->getXS()->getIndex();
+
+        echo "start clean index" . PHP_EOL;
+
+        $index->clean();
+
+        echo "end clean index" . PHP_EOL;
+    }
+
+    /**
+     * 重建索引
+     */
+    protected function rebuildCourseIndex()
+    {
+        $courses = $this->findCourses();
+
+        if ($courses->count() == 0) {
+            return;
+        }
+
+        $searcher = new CourseSearcher();
+
+        $documenter = new CourseDocumenter();
+
+        $index = $searcher->getXS()->getIndex();
+
+        echo "start rebuild index" . PHP_EOL;
+
+        $index->beginRebuild();
+
+        foreach ($courses as $course) {
+            $document = $documenter->setDocument($course);
+            $index->add($document);
+        }
+
+        $index->endRebuild();
+
+        echo "end rebuild index" . PHP_EOL;
+    }
+
+    /**
+     * 搜索课程
+     *
+     * @param string $query
+     * @return array $result
+     * @throws \XSException
+     */
+    protected function searchCourses($query)
+    {
+        $searcher = new CourseSearcher();
+
+        $result = $searcher->search($query);
+
+        return $result;
+    }
+
+    /**
+     * 查找课程
+     *
+     * @return \Phalcon\Mvc\Model\ResultsetInterface
+     */
+    protected function findCourses()
+    {
+        $courses = CourseModel::query()
+            ->where('published = 1')
+            ->execute();
+
+        return $courses;
+    }
+
+}
diff --git a/app/Console/Tasks/ManageIndexTask.php b/app/Console/Tasks/ManageIndexTask.php
deleted file mode 100644
index edaeafcb..00000000
--- a/app/Console/Tasks/ManageIndexTask.php
+++ /dev/null
@@ -1,166 +0,0 @@
-<?php
-
-namespace App\Console\Tasks;
-
-use App\Models\Course as CourseModel;
-use App\Searchers\Course as CourseSearcher;
-use Phalcon\Cli\Task;
-
-class ManageIndexTask extends Task
-{
-
-    /**
-     * 搜索测试
-     *
-     * @command: php console.php index search {type} {query}
-     * @param array $params
-     * @throws \XSException
-     */
-    public function searchAction($params)
-    {
-        $type = $params[0] ?? null;
-        $query = $params[1] ?? null;
-
-        if (!in_array($type, $this->getItemTypes())) {
-            exit("Invalid item type" . PHP_EOL);
-        }
-
-        if (!$query) {
-            exit("Please special a query word" . PHP_EOL);
-        }
-
-        $result = [];
-
-        if ($type == 'course') {
-            $result = $this->searchCourses($query);
-        }
-
-        var_export($result);
-    }
-
-    /**
-     * 清空索引
-     *
-     * @command: php console.php index clean {type}
-     * @param array $params
-     */
-    public function cleanAction($params)
-    {
-        $type = $params[0] ?? null;
-
-        if (in_array($type, $this->getItemTypes())) {
-            exit("Invalid item type" . PHP_EOL);
-        }
-
-        if ($type == 'course') {
-            $this->cleanCourseIndex();
-        }
-    }
-
-    /**
-     * 重建索引
-     *
-     * @command: php console.php index rebuild {type}
-     * @param array $params
-     */
-    public function rebuildAction($params)
-    {
-        $type = $params[0] ?? null;
-
-        if (in_array($type, $this->getItemTypes())) {
-            exit("Invalid item type" . PHP_EOL);
-        }
-
-        if ($type == 'course') {
-            $this->rebuildCourseIndex();
-        }
-    }
-
-    /**
-     * 清空课程索引
-     */
-    protected function cleanCourseIndex()
-    {
-        $searcher = new CourseSearcher();
-
-        $index = $searcher->getXS()->getIndex();
-
-        echo "Start clean index" . PHP_EOL;
-
-        $index->clean();
-
-        echo "End clean index" . PHP_EOL;
-    }
-
-    /**
-     * 重建课程索引
-     */
-    protected function rebuildCourseIndex()
-    {
-        $courses = $this->findCourses();
-
-        if ($courses->count() == 0) {
-            return;
-        }
-
-        $searcher = new CourseSearcher();
-
-        $index = $searcher->getXS()->getIndex();
-
-        echo "Start rebuild index" . PHP_EOL;
-
-        $index->beginRebuild();
-
-        foreach ($courses as $course) {
-            $document = $searcher->setDocument($course);
-            $index->add($document);
-        }
-
-        $index->endRebuild();
-
-        echo "End rebuild index" . PHP_EOL;
-    }
-
-    /**
-     * 搜索课程
-     *
-     * @param string $query
-     * @return \stdClass $result
-     * @throws \XSException
-     */
-    protected function searchCourses($query)
-    {
-        $searcher = new CourseSearcher();
-
-        $result = $searcher->search($query);
-
-        return $result;
-    }
-
-    /**
-     * 查找课程
-     *
-     * @return \Phalcon\Mvc\Model\ResultsetInterface
-     */
-    protected function findCourses()
-    {
-        $courses = CourseModel::query()
-            ->where('published = 1')
-            ->execute();
-
-        return $courses;
-    }
-
-    /**
-     * 获取条目类型
-     *
-     * @return array
-     */
-    protected function getItemTypes()
-    {
-        $types = ['course'];
-
-        return $types;
-    }
-
-}
diff --git a/app/Console/Tasks/RebuildChapterCacheTask.php b/app/Console/Tasks/RebuildChapterCacheTask.php
new file mode 100644
index 00000000..6757e723
--- /dev/null
+++ b/app/Console/Tasks/RebuildChapterCacheTask.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace App\Console\Tasks;
+
+use App\Caches\Chapter as ChapterCache;
+use App\Caches\ChapterCounter as ChapterCounterCache;
+use App\Repos\Chapter as ChapterRepo;
+use App\Services\ChapterCacheSyncer;
+
+class RebuildChapterCacheTask extends Task
+{
+
+    /**
+     * @var \App\Library\Cache\Backend\Redis
+     */
+    protected $cache;
+
+    /**
+     * @var \Redis
+     */
+    protected $redis;
+
+    public function mainAction()
+    {
+        $this->cache = $this->getDI()->get('cache');
+
+        $this->redis = $this->cache->getRedis();
+
+        $this->rebuild();
+    }
+
+    protected function rebuild()
+    {
+        $key = $this->getCacheKey();
+
+        $chapterIds = $this->redis->sRandMember($key, 500);
+
+        if (!$chapterIds) return;
+
+        $chapterRepo = new ChapterRepo();
+
+        $chapters = $chapterRepo->findByIds($chapterIds);
+
+        if ($chapters->count() == 0) {
+            return;
+        }
+
+        $chapterCache = new ChapterCache();
+        $counterCache = new ChapterCounterCache();
+
+        foreach ($chapters as $chapter) {
+            $chapter->user_count = $chapterRepo->countUsers($chapter->id);
+            $chapter->comment_count = $chapterRepo->countComments($chapter->id);
+            $chapter->like_count = $chapterRepo->countLikes($chapter->id);
+            $chapter->update();
+
+            $chapterCache->rebuild($chapter->id);
+            $counterCache->rebuild($chapter->id);
+        }
+    }
+
+    protected function getCacheKey()
+    {
+        $syncer = new ChapterCacheSyncer();
+
+        return $syncer->getCacheKey();
+    }
+
+}
diff --git a/app/Console/Tasks/RebuildCourseCacheTask.php b/app/Console/Tasks/RebuildCourseCacheTask.php
new file mode 100644
index 00000000..fc9abf66
--- /dev/null
+++ b/app/Console/Tasks/RebuildCourseCacheTask.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Console\Tasks;
+
+use App\Caches\Course as CourseCache;
+use App\Caches\CourseCounter as CourseCounterCache;
+use App\Repos\Course as CourseRepo;
+use App\Services\CourseCacheSyncer;
+
+class RebuildCourseCacheTask extends Task
+{
+
+    /**
+     * @var \App\Library\Cache\Backend\Redis
+     */
+    protected $cache;
+
+    /**
+     * @var \Redis
+     */
+    protected $redis;
+
+    public function mainAction()
+    {
+        $this->cache = $this->getDI()->get('cache');
+
+        $this->redis = $this->cache->getRedis();
+
+        $this->rebuild();
+    }
+
+    protected function rebuild()
+    {
+        $key = $this->getCacheKey();
+
+        $courseIds = $this->redis->sRandMember($key, 100);
+
+        if (!$courseIds) return;
+
+        $courseRepo = new CourseRepo();
+
+        $courses = $courseRepo->findByIds($courseIds);
+
+        if ($courses->count() == 0) {
+            return;
+        }
+
+        $courseCache = new CourseCache();
+        $counterCache = new CourseCounterCache();
+
+        foreach ($courses as $course) {
+            $course->user_count = $courseRepo->countUsers($course->id);
+            $course->comment_count = $courseRepo->countComments($course->id);
+            $course->review_count = $courseRepo->countReviews($course->id);
+            $course->favorite_count = $courseRepo->countFavorites($course->id);
+            $course->update();
+
+            $courseCache->rebuild($course->id);
+            $counterCache->rebuild($course->id);
+        }
+
+        $this->redis->sRem($key, ...$courseIds);
+    }
+
+    protected function getCacheKey()
+    {
+        $syncer = new CourseCacheSyncer();
+
+        return $syncer->getCacheKey();
+    }
+
+}
diff --git a/app/Console/Tasks/RebuildCourseIndexTask.php b/app/Console/Tasks/RebuildCourseIndexTask.php
new file mode 100644
index 00000000..a7b885d0
--- /dev/null
+++ b/app/Console/Tasks/RebuildCourseIndexTask.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace App\Console\Tasks;
+
+use App\Repos\Course as CourseRepo;
+use App\Searchers\CourseDocumenter;
+use App\Searchers\CourseSearcher;
+use App\Services\CourseIndexSyncer;
+
+class RebuildCourseIndexTask extends Task
+{
+
+    /**
+     * @var \App\Library\Cache\Backend\Redis
+     */
+    protected $cache;
+
+    /**
+     * @var \Redis
+     */
+    protected $redis;
+
+    public function mainAction()
+    {
+        $this->cache = $this->getDI()->get('cache');
+
+        $this->redis = $this->cache->getRedis();
+
+        $this->rebuild();
+    }
+
+    protected function rebuild()
+    {
+        $key = $this->getCacheKey();
+
+        $courseIds = $this->redis->sRandMember($key, 100);
+
+        if (!$courseIds) return;
+
+        $courseRepo = new CourseRepo();
+
+        $courses = $courseRepo->findByIds($courseIds);
+
+        if ($courses->count() == 0) {
+            return;
+        }
+
+        $document = new CourseDocumenter();
+
+        $searcher = new CourseSearcher();
+
+        $index = $searcher->getXS()->getIndex();
+
+        $index->openBuffer();
+
+        foreach ($courses as $course) {
+            $doc = $document->setDocument($course);
+            if ($course->published == 1) {
+                $index->update($doc);
+            } else {
+                $index->del($course->id);
+            }
+        }
+
+        $index->closeBuffer();
+
+        $this->redis->sRem($key, ...$courseIds);
+    }
+
+    protected function getCacheKey()
+    {
+        $syncer = new CourseIndexSyncer();
+
+        return $syncer->getCacheKey();
+    }
+
+}
diff --git a/app/Console/Tasks/RefundTask.php b/app/Console/Tasks/RefundTask.php
index aa363578..cc274e5b 100644
--- a/app/Console/Tasks/RefundTask.php
+++ b/app/Console/Tasks/RefundTask.php
@@ -247,12 +247,6 @@ class RefundTask extends Task
 
     }
 
-    /**
-     * 查找退款任务
-     *
-     * @param integer $limit
-     * @return \Phalcon\Mvc\Model\ResultsetInterface
-     */
     protected function findTasks($limit = 5)
     {
         $itemType = TaskModel::TYPE_REFUND;
diff --git a/app/Console/Tasks/SpiderTask.php b/app/Console/Tasks/SpiderTask.php
index ac1f67ee..586fecc4 100644
--- a/app/Console/Tasks/SpiderTask.php
+++ b/app/Console/Tasks/SpiderTask.php
@@ -4,18 +4,53 @@ namespace App\Console\Tasks;
 
 use App\Models\Chapter as ChapterModel;
 use App\Models\Course as CourseModel;
+use App\Models\CourseUser as CourseUserModel;
 use App\Models\User as UserModel;
+use App\Repos\CourseUser as CourseUserRepo;
 use Phalcon\Cli\Task;
 use QL\QueryList;
 
 class SpiderTask extends Task
 {
 
-    public function testAction()
+    public function ctAction()
     {
-        $subject = '1-1 课程简介(01:40)开始学习';
-        preg_match('/(\d{1,}-\d{1,})\s{1,}(.*?)\((.*?)\)/', $subject, $matches);
-        dd($matches);
+        $courses = CourseModel::query()
+            ->where('class_id = 0')
+            ->execute();
+
+        foreach ($courses as $course) {
+
+            $url = "http://www.imooc.com/learn/{$course->id}";
+
+            $ql = QueryList::getInstance()->get($url);
+
+            $userId = $ql->find('img.js-usercard-dialog')->attr('data-userid');
+
+            if ($userId) {
+                $user = UserModel::findFirst($userId);
+                if (!$user || !$user->avatar) {
+                    $this->handleUserInfo2($course->id, $userId);
+                }
+            }
+
+            $ql->destruct();
+
+            echo "finished course " . $course->id . PHP_EOL;
+        }
+    }
+
+    public function user2Action()
+    {
+        $users = UserModel::query()
+            ->where('edu_role = 2')
+            ->andWhere('name = :name:', ['name' => ''])
+            ->execute();
+
+        foreach ($users as $user) {
+            $this->handleUserInfo($user->id);
+            echo "finished user: {$user->id}" . PHP_EOL;
+        }
     }
 
     public function courseListAction($params)
@@ -64,91 +99,191 @@ class SpiderTask extends Task
     public function courseAction()
     {
         $courses = CourseModel::query()
-            ->where('1 = 1')
-            ->andWhere('id > :id:', ['id' => 1128])
+            ->where('id = 762')
             ->orderBy('id asc')
             ->execute();
 
-        $baseUrl = 'http://www.imooc.com/learn';
-
         $instance = QueryList::getInstance();
 
         foreach ($courses as $course) {
-            $url = $baseUrl . '/' . $course->id;
+
+            $url = "http://www.imooc.com/learn/{$course->id}";
+
             $ql = $instance->get($url);
-            $result = $this->handleCourseInfo($course, $ql);
-            if (!$result) {
-                continue;
-            }
+
+            //$this->handleCourseInfo($course, $ql);
+
             $this->handleCourseChapters($course, $ql);
+
+            //$ql->destruct();
+
             echo "finished course " . $course->id . PHP_EOL;
-            sleep(1);
         }
     }
 
     public function teacherAction()
-    {
-        $courses = CourseModel::query()
-            ->where('1 = 1')
-            ->groupBy('user_id')
-            ->execute();
-
-        foreach ($courses as $course) {
-            $this->handleTeacherInfo($course->user_id);
-            echo "finished teacher: {$course->user_id}" . PHP_EOL;
-            sleep(1);
-        }
-    }
-
-    public function userAction()
     {
         $users = UserModel::query()
-            ->where('1 = 1')
-            ->andWhere('name = :name:', ['name' => ''])
+            ->where('edu_role = 2')
             ->execute();
 
         foreach ($users as $user) {
-            $this->handleUserInfo($user->id);
-            echo "finished user: {$user->id}" . PHP_EOL;
-            sleep(1);
+            try {
+                $this->handleTeacherInfo2($user);
+                echo "finished teacher: {$user->id}" . PHP_EOL;
+            } catch (\Exception $e) {
+                echo $e->getMessage() . PHP_EOL;
+            }
         }
     }
 
-    protected function handleUserInfo($id)
+    protected function handleTeacherInfo2(UserModel $user)
     {
-        $url = 'http://www.imooc.com/u/'. $id;
+        $url = "http://www.imooc.com/t/{$user->id}";
 
         $ql = QueryList::getInstance()->get($url);
 
         $data = [];
 
-        $data['id'] = $id;
-        $data['avatar'] = $ql->find('.user-pic-bg>img')->attr('src');
-        $data['name'] = $ql->find('h3.user-name>span')->text();
-        $data['about'] = $ql->find('p.user-desc')->text();
-
-        $user = new UserModel();
-
-        $user->save($data);
-    }
-
-    protected function handleTeacherInfo($id)
-    {
-        $url = 'http://www.imooc.com/t/'. $id;
-
-        $ql = QueryList::getInstance()->get($url);
-
-        $data = [];
-
-        $data['id'] = $id;
         $data['avatar'] = $ql->find('img.tea-header')->attr('src');
         $data['name'] = $ql->find('p.tea-nickname')->text();
         $data['title'] = $ql->find('p.tea-professional')->text();
         $data['about'] = $ql->find('p.tea-desc')->text();
 
-        $user = new UserModel();
+        $user->update($data);
+    }
 
-        $user->create($data);
+    public function userAction()
+    {
+        $users = UserModel::query()
+            ->where('edu_role = 1')
+            ->execute();
+
+        foreach ($users as $user) {
+            $this->handleUserInfo($user->id);
+            echo "finished user: {$user->id}" . PHP_EOL;
+        }
+    }
+
+    protected function handleUserInfo($id)
+    {
+        $url = 'https://www.imooc.com/u/' . $id;
+
+        $user = UserModel::findFirst($id);
+
+        try {
+
+            $ql = QueryList::getInstance()->get($url);
+
+            $data = [];
+
+            $data['avatar'] = $ql->find('.user-pic-bg>img')->attr('src');
+            $data['name'] = $ql->find('h3.user-name>span')->text();
+            $data['about'] = $ql->find('p.user-desc')->text();
+
+            print_r($data);
+
+            $user->update($data);
+
+            $ql->destruct();
+
+        } catch (\Exception $e) {
+
+            $user->update(['deleted' => 1]);
+
+            echo "user {$id} not found" . PHP_EOL;
+        }
+    }
+
+    protected function handleUserInfo2($courseId, $userId)
+    {
+        $url = 'https://www.imooc.com/u/' . $userId;
+
+        $user = UserModel::findFirst($userId);
+
+        try {
+
+            $ql = QueryList::getInstance()->get($url);
+
+            $data = [];
+
+            $data['avatar'] = $ql->find('.user-pic-bg>img')->attr('src');
+            $data['name'] = $ql->find('h3.user-name>span')->text();
+            $data['about'] = $ql->find('p.user-desc')->text();
+            $data['edu_role'] = UserModel::EDU_ROLE_TEACHER;
+
+            if ($user) {
+                $user->update($data);
+            } else {
+                $user = new UserModel();
+                $user->create($data);
+            }
+
+            $cuRepo = new CourseUserRepo();
+
+            $courseUser = $cuRepo->findCourseUser($courseId, $userId);
+
+            if (!$courseUser) {
+                $courseUser = new CourseUserModel();
+                $courseUser->course_id = $courseId;
+                $courseUser->user_id = $userId;
+                $courseUser->role_type = CourseUserModel::ROLE_TEACHER;
+                $courseUser->expire_time = strtotime('+15 years');
+                $courseUser->create();
+            }
+
+            echo "teacher {$userId} off " . PHP_EOL;
+
+            $ql->destruct();
+
+        } catch (\Exception $e) {
+
+            $user->update(['deleted' => 1]);
+
+            echo "user {$userId} not found" . PHP_EOL;
+        }
+    }
+
+    protected function handleTeacherInfo($courseId, $userId)
+    {
+        $url = "http://www.imooc.com/t/{$userId}";
+
+        $ql = QueryList::getInstance()->get($url);
+
+        $data = [];
+
+        $data['id'] = $userId;
+        $data['avatar'] = $ql->find('img.tea-header')->attr('src');
+        $data['name'] = $ql->find('p.tea-nickname')->text();
+        $data['title'] = $ql->find('p.tea-professional')->text();
+        $data['about'] = $ql->find('p.tea-desc')->text();
+        $data['edu_role'] = UserModel::EDU_ROLE_TEACHER;
+
+        $user = UserModel::findFirst($userId);
+
+        if ($user) {
+            $user->update($data);
+        } else {
+            $user = new UserModel();
+            $user->create($data);
+        }
+
+        $cuRepo = new CourseUserRepo();
+
+        $courseUser = $cuRepo->findCourseUser($courseId, $userId);
+
+        if (!$courseUser) {
+            $courseUser = new CourseUserModel();
+            $courseUser->course_id = $courseId;
+            $courseUser->user_id = $userId;
+            $courseUser->role_type = CourseUserModel::ROLE_TEACHER;
+            $courseUser->expire_time = strtotime('+15 years');
+            $courseUser->create();
+        }
+
+        $ql->destruct();
+
+        echo "teacher ok" . PHP_EOL;
     }
 
     protected function handleCourseInfo(CourseModel $course, QueryList $ql)
@@ -160,27 +295,33 @@ class SpiderTask extends Task
         $data['duration'] = $ql->find('.static-item:eq(1)>.meta-value')->text();
         $data['score'] = $ql->find('.score-btn>.meta-value')->text();
 
-        if (empty($data['user_id'])) {
-            return false;
+        $data['attrs']['duration'] = $this->getCourseDuration($data['duration']);
+
+        $course->update($data);
+
+        if ($data['user_id']) {
+            $this->handleTeacherInfo($course->id, $data['user_id']);
         }
 
-        $data['duration'] = $this->getCourseDuration($data['duration']);
-
-        return $course->update($data);
+        echo "course info ok" . PHP_EOL;
     }
 
     protected function handleCourseChapters(CourseModel $course, QueryList $ql)
     {
+        echo "top chapter" . PHP_EOL;
+
         $topChapters = $ql->rules([
-            'title' => ['.chapter>h3', 'text'],
-            'sub_chapter_html' => ['.chapter>.video', 'html'],
+            'title' => ['.chapter > h3', 'text'],
+            'sub_chapter_html' => ['.chapter > .video', 'html'],
         ])->query()->getData();
 
+
         if ($topChapters->count() == 0) {
             return false;
         }
 
         foreach ($topChapters->all() as $item) {
+
             $data = [
                 'course_id' => $course->id,
                 'title' => $item['title'],
@@ -208,16 +349,29 @@ class SpiderTask extends Task
         }
 
         foreach ($chapters->all() as $item) {
-            preg_match('/(\d{1,}-\d{1,})\s{1,}(.*?)\((.*?)\)/s', $item, $matches);
-            if (!isset($matches[3]) || empty($matches[3])) {
-                continue;
-            }
-            $data = [
-                'course_id' => $topChapter->course_id,
-                'parent_id' => $topChapter->id,
-                'title' => $matches[2],
-                'duration' => $this->getChapterDuration($matches[3]),
-            ];
+
+            /**
+             *
+             * preg_match('/(\d{1,}-\d{1,})\s{1,}(.*?)\((.*?)\)/s', $item, $matches);
+             *
+             * if (!isset($matches[3]) || empty($matches[3])) {
+             * continue;
+             * }
+             *
+             * $data = [
+             * 'title' => $matches[2],
+             * 'duration' => $this->getChapterDuration($matches[3]),
+             * ];
+             */
+
+            $title = str_replace(["开始学习", "\r", "\n", "\t", "  "], "", $item);
+            $title = preg_replace('/\(\d{2}:\d{2}\)/', '', $title);
+
+            $data = [];
+            $data['course_id'] = $topChapter->course_id;
+            $data['parent_id'] = $topChapter->id;
+            $data['title'] = trim($title);
+
             $model = new ChapterModel();
             $model->create($data);
         }
@@ -231,6 +385,8 @@ class SpiderTask extends Task
         if (preg_match('/(.*?)小时(.*?)分/s', $duration, $matches)) {
             $hours = trim($matches[1]);
             $minutes = trim($matches[2]);
+        } elseif (preg_match('/(.*?)小时/s', $duration, $matches)) {
+            $hours = trim($matches[1]);
         } elseif (preg_match('/(.*?)分/s', $duration, $matches)) {
             $minutes = trim($matches[1]);
         }
@@ -254,7 +410,7 @@ class SpiderTask extends Task
         $mapping = [
             '入门' => CourseModel::LEVEL_ENTRY,
             '初级' => CourseModel::LEVEL_JUNIOR,
-            '中级' => CourseModel::LEVEL_MIDDLE,
+            '中级' => CourseModel::LEVEL_MEDIUM,
             '高级' => CourseModel::LEVEL_SENIOR,
         ];
 
diff --git a/app/Console/Tasks/SyncIndexTask.php b/app/Console/Tasks/SyncIndexTask.php
deleted file mode 100644
index e6ce5133..00000000
--- a/app/Console/Tasks/SyncIndexTask.php
+++ /dev/null
@@ -1,66 +0,0 @@
-<?php
-
-namespace App\Console\Tasks;
-
-use App\Models\Course as CourseModel;
-use App\Searchers\Course as CourseSearcher;
-
-class SyncIndexTask extends Task
-{
-
-    /**
-     * @var \App\Library\Cache\Backend\Redis
-     */
-    protected $cache;
-
-    public function mainAction()
-    {
-        $this->cache = $this->getDI()->get('cache');
-
-        $this->handleCourseIndex();
-    }
-
-    protected function handleCourseIndex()
-    {
-        $keys = $this->cache->queryKeys('sync:index:course:');
-
-        if (empty($keys)) {
-            return;
-        }
-
-        $keys = array_slice($keys, 0, 100);
-
-        $searcher = new CourseSearcher();
-
-        $index = $searcher->getXS()->getIndex();
-
-        $index->openBuffer();
-
-        foreach ($keys as $key) {
-
-            $lastKey = $this->cache->getRawKeyName($key);
-            $content = $this->cache->get($lastKey);
-
-            if (empty($content->id)) {
-                continue;
-            }
-
-            $course = CourseModel::findFirstById($content->id);
-
-            $document = $searcher->setDocument($course);
-
-            if ($content->type == 'update') {
-                $index->update($document);
-            } elseif ($content->type == 'delete') {
-                $index->del($course->id);
-            } elseif ($content->type == 'restore') {
-                $index->update($document);
-            }
-
-            $this->cache->delete($lastKey);
-        }
-
-        $index->closeBuffer();
-    }
-
-}
diff --git a/app/Console/Tasks/UnlockUserTask.php b/app/Console/Tasks/UnlockUserTask.php
index e1319a0a..47722d55 100644
--- a/app/Console/Tasks/UnlockUserTask.php
+++ b/app/Console/Tasks/UnlockUserTask.php
@@ -18,7 +18,7 @@ class UnlockUserTask extends Task
 
         foreach ($users as $user) {
             $user->locked = 0;
-            $user->locked_expiry = 0;
+            $user->lock_expiry = 0;
             $user->update();
         }
     }
@@ -26,7 +26,7 @@ class UnlockUserTask extends Task
     /**
      * 查找待解锁用户
      *
-     * @param integer $limit
+     * @param int $limit
      * @return \Phalcon\Mvc\Model\ResultsetInterface
      */
     protected function findUsers($limit = 1000)
@@ -35,7 +35,7 @@ class UnlockUserTask extends Task
 
         $users = UserModel::query()
             ->where('locked = 1')
-            ->andWhere('locked_expiry < :time:', ['time' => $time])
+            ->andWhere('lock_expiry < :time:', ['time' => $time])
             ->limit($limit)
             ->execute();
 
diff --git a/app/Console/Tasks/VodEventTask.php b/app/Console/Tasks/VodEventTask.php
index b0514f60..020b3fd1 100644
--- a/app/Console/Tasks/VodEventTask.php
+++ b/app/Console/Tasks/VodEventTask.php
@@ -15,9 +15,7 @@ class VodEventTask extends Task
     {
         $events = $this->pullEvents();
 
-        if (!$events) {
-            return;
-        }
+        if (!$events) return;
 
         $handles = [];
 
@@ -49,9 +47,7 @@ class VodEventTask extends Task
 
         $chapter = $chapterRepo->findByFileId($fileId);
 
-        if (!$chapter) {
-            return;
-        }
+        if (!$chapter) return;
 
         $vodService = new VodService();
 
@@ -62,14 +58,14 @@ class VodEventTask extends Task
         }
 
         /**
-         * @var \stdClass $attrs
+         * @var array $attrs
          */
         $attrs = $chapter->attrs;
-        $attrs->file_status = ChapterModel::FS_TRANSLATING;
-        $attrs->duration = $duration;
+        $attrs['file_status'] = ChapterModel::FS_TRANSLATING;
+        $attrs['duration'] = (int)$duration;
         $chapter->update(['attrs' => $attrs]);
 
-        $this->updateCourseDuration($chapter->course_id);
+        $this->updateVodAttrs($chapter->course_id);
     }
 
     protected function handleProcedureStateChangedEvent($event)
@@ -81,9 +77,7 @@ class VodEventTask extends Task
 
         $chapter = $chapterRepo->findByFileId($fileId);
 
-        if (!$chapter) {
-            return;
-        }
+        if (!$chapter) return;
 
         $failCount = $successCount = 0;
 
@@ -97,26 +91,26 @@ class VodEventTask extends Task
             }
         }
 
-        $status = ChapterModel::FS_TRANSLATING;
+        $fileStatus = ChapterModel::FS_TRANSLATING;
 
         /**
          * 当有一个成功标记为成功
          */
         if ($successCount > 0) {
-            $status = ChapterModel::FS_TRANSLATED;
+            $fileStatus = ChapterModel::FS_TRANSLATED;
         } elseif ($failCount > 0) {
-            $status = ChapterModel::FS_FAILED;
+            $fileStatus = ChapterModel::FS_FAILED;
         }
 
-        if ($status == ChapterModel::FS_TRANSLATING) {
+        if ($fileStatus == ChapterModel::FS_TRANSLATING) {
             return;
         }
 
         /**
-         * @var \stdClass $attrs
+         * @var array $attrs
          */
         $attrs = $chapter->attrs;
-        $attrs->file_status = $status;
+        $attrs['file_status'] = $fileStatus;
         $chapter->update(['attrs' => $attrs]);
     }
 
@@ -147,11 +141,11 @@ class VodEventTask extends Task
         return $result;
     }
 
-    protected function updateCourseDuration($courseId)
+    protected function updateVodAttrs($courseId)
     {
         $courseStats = new CourseStatsService();
 
-        $courseStats->updateVodDuration($courseId);
+        $courseStats->updateVodAttrs($courseId);
     }
 
 }
diff --git a/app/Http/Admin/Controllers/AuditController.php b/app/Http/Admin/Controllers/AuditController.php
index 3cc07a48..84e7251d 100644
--- a/app/Http/Admin/Controllers/AuditController.php
+++ b/app/Http/Admin/Controllers/AuditController.php
@@ -31,7 +31,7 @@ class AuditController extends Controller
     }
 
     /**
-     * @Get("/{id}/show", name="admin.audit.show")
+     * @Get("/{id:[0-9]+}/show", name="admin.audit.show")
      */
     public function showAction($id)
     {
diff --git a/app/Http/Admin/Controllers/CategoryController.php b/app/Http/Admin/Controllers/CategoryController.php
index 8e0482dc..0462a8b7 100644
--- a/app/Http/Admin/Controllers/CategoryController.php
+++ b/app/Http/Admin/Controllers/CategoryController.php
@@ -17,10 +17,10 @@ class CategoryController extends Controller
     {
         $parentId = $this->request->get('parent_id', 'int', 0);
 
-        $service = new CategoryService();
+        $categoryService = new CategoryService();
 
-        $parent = $service->getParentCategory($parentId);
-        $categories = $service->getChildCategories($parentId);
+        $parent = $categoryService->getParentCategory($parentId);
+        $categories = $categoryService->getChildCategories($parentId);
 
         $this->view->setVar('parent', $parent);
         $this->view->setVar('categories', $categories);
@@ -33,9 +33,9 @@ class CategoryController extends Controller
     {
         $parentId = $this->request->get('parent_id', 'int', 0);
 
-        $service = new CategoryService();
+        $categoryService = new CategoryService();
 
-        $topCategories = $service->getTopCategories();
+        $topCategories = $categoryService->getTopCategories();
 
         $this->view->setVar('parent_id', $parentId);
         $this->view->setVar('top_categories', $topCategories);
@@ -46,9 +46,9 @@ class CategoryController extends Controller
      */
     public function createAction()
     {
-        $service = new CategoryService();
+        $categoryService = new CategoryService();
 
-        $category = $service->createCategory();
+        $category = $categoryService->createCategory();
 
         $location = $this->url->get(
             ['for' => 'admin.category.list'],
@@ -64,27 +64,27 @@ class CategoryController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.category.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.category.edit")
      */
     public function editAction($id)
     {
-        $service = new CategoryService();
+        $categoryService = new CategoryService();
 
-        $category = $service->getCategory($id);
+        $category = $categoryService->getCategory($id);
 
         $this->view->setVar('category', $category);
     }
 
     /**
-     * @Post("/{id}/update", name="admin.category.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.category.update")
      */
     public function updateAction($id)
     {
-        $service = new CategoryService();
+        $categoryService = new CategoryService();
 
-        $category = $service->getCategory($id);
+        $category = $categoryService->getCategory($id);
 
-        $service->updateCategory($id);
+        $categoryService->updateCategory($id);
 
         $location = $this->url->get(
             ['for' => 'admin.category.list'],
@@ -100,13 +100,13 @@ class CategoryController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.category.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.category.delete")
      */
     public function deleteAction($id)
     {
-        $service = new CategoryService();
+        $categoryService = new CategoryService();
 
-        $service->deleteCategory($id);
+        $categoryService->deleteCategory($id);
 
         $location = $this->request->getHTTPReferer();
 
@@ -119,13 +119,13 @@ class CategoryController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.category.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.category.restore")
      */
     public function restoreAction($id)
     {
-        $service = new CategoryService();
+        $categoryService = new CategoryService();
 
-        $service->restoreCategory($id);
+        $categoryService->restoreCategory($id);
 
         $location = $this->request->getHTTPReferer();
 
diff --git a/app/Http/Admin/Controllers/ChapterController.php b/app/Http/Admin/Controllers/ChapterController.php
index 1279cb1f..ac8f2870 100644
--- a/app/Http/Admin/Controllers/ChapterController.php
+++ b/app/Http/Admin/Controllers/ChapterController.php
@@ -15,19 +15,19 @@ class ChapterController extends Controller
 {
 
     /**
-     * @Get("/{id}/lessons", name="admin.chapter.lessons")
+     * @Get("/{id:[0-9]+}/lessons", name="admin.chapter.lessons")
      */
     public function lessonsAction($id)
     {
-        $chapterService = new ChapterService();
         $courseService = new CourseService();
+        $chapterService = new ChapterService();
 
         $chapter = $chapterService->getChapter($id);
-        $course = $courseService->getCourse($chapter->course_id);
         $lessons = $chapterService->getLessons($chapter->id);
+        $course = $courseService->getCourse($chapter->course_id);
 
-        $this->view->setVar('lessons', $lessons);
         $this->view->setVar('chapter', $chapter);
+        $this->view->setVar('lessons', $lessons);
         $this->view->setVar('course', $course);
     }
 
@@ -40,14 +40,14 @@ class ChapterController extends Controller
         $parentId = $this->request->getQuery('parent_id');
         $type = $this->request->getQuery('type');
 
-        $chapterService = new ChapterService();
+        $courseService = new CourseService();
 
-        $course = $chapterService->getCourse($courseId);
-        $courseChapters = $chapterService->getCourseChapters($courseId);
+        $course = $courseService->getCourse($courseId);
+        $chapters = $courseService->getChapters($courseId);
 
         $this->view->setVar('course', $course);
         $this->view->setVar('parent_id', $parentId);
-        $this->view->setVar('course_chapters', $courseChapters);
+        $this->view->setVar('chapters', $chapters);
 
         if ($type == 'chapter') {
             $this->view->pick('chapter/add_chapter');
@@ -61,9 +61,9 @@ class ChapterController extends Controller
      */
     public function createAction()
     {
-        $service = new ChapterService();
+        $chapterService = new ChapterService();
 
-        $chapter = $service->createChapter();
+        $chapter = $chapterService->createChapter();
 
         $location = $this->url->get([
             'for' => 'admin.course.chapters',
@@ -79,54 +79,57 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.chapter.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.chapter.edit")
      */
     public function editAction($id)
     {
         $contentService = new ChapterContentService();
         $chapterService = new ChapterService();
+        $courseService = new CourseService();
         $configService = new ConfigService();
 
         $chapter = $chapterService->getChapter($id);
-        $course = $chapterService->getCourse($chapter->course_id);
+        $course = $courseService->getCourse($chapter->course_id);
         $storage = $configService->getSectionConfig('storage');
 
-        switch ($course->model) {
-            case CourseModel::MODEL_VOD:
-                $vod = $contentService->getChapterVod($chapter->id);
-                $translatedFiles = $contentService->getTranslatedFiles($vod->file_id);
-                $this->view->setVar('vod', $vod);
-                $this->view->setVar('translated_files', $translatedFiles);
-                break;
-            case CourseModel::MODEL_LIVE:
-                $live = $contentService->getChapterLive($chapter->id);
-                $this->view->setVar('live', $live);
-                break;
-            case CourseModel::MODEL_ARTICLE:
-                $article = $contentService->getChapterArticle($chapter->id);
-                $this->view->setVar('article', $article);
-                break;
-        }
-
         $this->view->setVar('storage', $storage);
         $this->view->setVar('chapter', $chapter);
         $this->view->setVar('course', $course);
 
         if ($chapter->parent_id > 0) {
+
+            switch ($course->model) {
+                case CourseModel::MODEL_VOD:
+                    $vod = $contentService->getChapterVod($chapter->id);
+                    $vodFiles = $contentService->getVodFiles($chapter->id);
+                    $this->view->setVar('vod', $vod);
+                    $this->view->setVar('vod_files', $vodFiles);
+                    break;
+                case CourseModel::MODEL_LIVE:
+                    $live = $contentService->getChapterLive($chapter->id);
+                    $this->view->setVar('live', $live);
+                    break;
+                case CourseModel::MODEL_READ:
+                    $read = $contentService->getChapterRead($chapter->id);
+                    $this->view->setVar('read', $read);
+                    break;
+            }
+
             $this->view->pick('chapter/edit_lesson');
+
         } else {
             $this->view->pick('chapter/edit_chapter');
         }
     }
 
     /**
-     * @Post("/{id}/update", name="admin.chapter.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.chapter.update")
      */
     public function updateAction($id)
     {
-        $service = new ChapterService();
+        $chapterService = new ChapterService();
 
-        $chapter = $service->updateChapter($id);
+        $chapter = $chapterService->updateChapter($id);
 
         if ($chapter->parent_id > 0) {
             $location = $this->url->get([
@@ -149,13 +152,13 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.chapter.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.chapter.delete")
      */
     public function deleteAction($id)
     {
-        $service = new ChapterService();
+        $chapterService = new ChapterService();
 
-        $service->deleteChapter($id);
+        $chapterService->deleteChapter($id);
 
         $location = $this->request->getHTTPReferer();
 
@@ -168,13 +171,13 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.chapter.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.chapter.restore")
      */
     public function restoreAction($id)
     {
-        $service = new ChapterService();
+        $chapterService = new ChapterService();
 
-        $service->restoreChapter($id);
+        $chapterService->restoreChapter($id);
 
         $location = $this->request->getHTTPReferer();
 
@@ -187,7 +190,7 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Post("/{id}/content", name="admin.chapter.content")
+     * @Post("/{id:[0-9]+}/content", name="admin.chapter.content")
      */
     public function contentAction($id)
     {
diff --git a/app/Http/Admin/Controllers/ConfigController.php b/app/Http/Admin/Controllers/ConfigController.php
index 91d338ab..b41d4eb0 100644
--- a/app/Http/Admin/Controllers/ConfigController.php
+++ b/app/Http/Admin/Controllers/ConfigController.php
@@ -11,27 +11,27 @@ class ConfigController extends Controller
 {
 
     /**
-     * @Route("/website", name="admin.config.website")
+     * @Route("/site", name="admin.config.site")
      */
-    public function websiteAction()
+    public function siteAction()
     {
-        $section = 'website';
+        $section = 'site';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateSectionConfig($section, $data);
+            $configService->updateSectionConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $website = $service->getSectionConfig($section);
+            $site = $configService->getSectionConfig($section);
 
-            $this->view->setVar('website', $website);
+            $this->view->setVar('site', $site);
         }
     }
 
@@ -42,19 +42,19 @@ class ConfigController extends Controller
     {
         $section = 'secret';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateStorageConfig($section, $data);
+            $configService->updateStorageConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $secret = $service->getSectionConfig($section);
+            $secret = $configService->getSectionConfig($section);
 
             $this->view->setVar('secret', $secret);
         }
@@ -67,19 +67,19 @@ class ConfigController extends Controller
     {
         $section = 'storage';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateStorageConfig($section, $data);
+            $configService->updateStorageConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $storage = $service->getSectionConfig($section);
+            $storage = $configService->getSectionConfig($section);
 
             $this->view->setVar('storage', $storage);
         }
@@ -92,19 +92,19 @@ class ConfigController extends Controller
     {
         $section = 'vod';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateVodConfig($section, $data);
+            $configService->updateVodConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $vod = $service->getSectionConfig($section);
+            $vod = $configService->getSectionConfig($section);
 
             $this->view->setVar('vod', $vod);
         }
@@ -117,19 +117,19 @@ class ConfigController extends Controller
     {
         $section = 'live';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateLiveConfig($section, $data);
+            $configService->updateLiveConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $live = $service->getSectionConfig($section);
+            $live = $configService->getSectionConfig($section);
 
             $ptt = json_decode($live->pull_trans_template);
 
@@ -143,21 +143,21 @@ class ConfigController extends Controller
      */
     public function paymentAction()
     {
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $section = $this->request->getPost('section');
             $data = $this->request->getPost();
 
-            $service->updateSectionConfig($section, $data);
+            $configService->updateSectionConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $alipay = $service->getSectionConfig('payment.alipay');
-            $wxpay = $service->getSectionConfig('payment.wxpay');
+            $alipay = $configService->getSectionConfig('payment.alipay');
+            $wxpay = $configService->getSectionConfig('payment.wxpay');
 
             $this->view->setVar('alipay', $alipay);
             $this->view->setVar('wxpay', $wxpay);
@@ -171,19 +171,19 @@ class ConfigController extends Controller
     {
         $section = 'smser';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateSmserConfig($section, $data);
+            $configService->updateSmserConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $smser = $service->getSectionConfig($section);
+            $smser = $configService->getSectionConfig($section);
 
             $template = json_decode($smser->template);
 
@@ -199,19 +199,19 @@ class ConfigController extends Controller
     {
         $section = 'mailer';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateSectionConfig($section, $data);
+            $configService->updateSectionConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $mailer = $service->getSectionConfig($section);
+            $mailer = $configService->getSectionConfig($section);
 
             $this->view->setVar('mailer', $mailer);
         }
@@ -224,13 +224,13 @@ class ConfigController extends Controller
     {
         $section = 'captcha';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateSectionConfig($section, $data);
+            $configService->updateSectionConfig($section, $data);
 
             $content = [
                 'location' => $this->request->getHTTPReferer(),
@@ -241,7 +241,7 @@ class ConfigController extends Controller
 
         } else {
 
-            $captcha = $service->getSectionConfig($section);
+            $captcha = $configService->getSectionConfig($section);
 
             $this->view->setVar('captcha', $captcha);
         }
@@ -254,19 +254,19 @@ class ConfigController extends Controller
     {
         $section = 'vip';
 
-        $service = new ConfigService();
+        $configService = new ConfigService();
 
         if ($this->request->isPost()) {
 
             $data = $this->request->getPost();
 
-            $service->updateSectionConfig($section, $data);
+            $configService->updateSectionConfig($section, $data);
 
             return $this->ajaxSuccess(['msg' => '更新配置成功']);
 
         } else {
 
-            $vip = $service->getSectionConfig($section);
+            $vip = $configService->getSectionConfig($section);
 
             $this->view->setVar('vip', $vip);
         }
diff --git a/app/Http/Admin/Controllers/Controller.php b/app/Http/Admin/Controllers/Controller.php
index 72a5e1dc..3e40ab3c 100644
--- a/app/Http/Admin/Controllers/Controller.php
+++ b/app/Http/Admin/Controllers/Controller.php
@@ -16,17 +16,17 @@ class Controller extends \Phalcon\Mvc\Controller
 
     public function beforeExecuteRoute(Dispatcher $dispatcher)
     {
-        if ($this->notSafeRequest()) {
+        if ($this->isNotSafeRequest()) {
             if (!$this->checkHttpReferer() || !$this->checkCsrfToken()) {
                 $dispatcher->forward([
                     'controller' => 'public',
-                    'action' => 'csrf',
+                    'action' => 'robot',
                 ]);
                 return false;
             }
         }
 
-        $this->authUser = $this->getDI()->get('auth')->getAuthUser();
+        $this->authUser = $this->getAuthUser();
 
         if (!$this->authUser) {
             $dispatcher->forward([
@@ -43,7 +43,7 @@ class Controller extends \Phalcon\Mvc\Controller
         /**
          * 管理员忽略权限检查
          */
-        if ($this->authUser->admin) {
+        if ($this->authUser->root == 1) {
             return true;
         }
 
@@ -51,26 +51,21 @@ class Controller extends \Phalcon\Mvc\Controller
          * 特例白名单
          */
         $whitelist = [
-            'controller' => [
-                'public', 'index', 'storage', 'vod', 'test',
-                'xm_course',
-            ],
-            'route' => [
-                'admin.package.guiding',
-            ],
+            'controllers' => ['public', 'index', 'storage', 'vod', 'test', 'xm_course'],
+            'routes' => ['admin.package.guiding'],
         ];
 
         /**
          * 特定控制器忽略权限检查
          */
-        if (in_array($controller, $whitelist['controller'])) {
+        if (in_array($controller, $whitelist['controllers'])) {
             return true;
         }
 
         /**
          * 特定路由忽略权限检查
          */
-        if (in_array($route->getName(), $whitelist['route'])) {
+        if (in_array($route->getName(), $whitelist['routes'])) {
             return true;
         }
 
@@ -110,4 +105,11 @@ class Controller extends \Phalcon\Mvc\Controller
         }
     }
 
+    protected function getAuthUser()
+    {
+        $auth = $this->getDI()->get('auth');
+
+        return $auth->getAuthInfo();
+    }
+
 }
diff --git a/app/Http/Admin/Controllers/CourseController.php b/app/Http/Admin/Controllers/CourseController.php
index 705512dd..d011beb5 100644
--- a/app/Http/Admin/Controllers/CourseController.php
+++ b/app/Http/Admin/Controllers/CourseController.php
@@ -65,7 +65,7 @@ class CourseController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.course.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.course.edit")
      */
     public function editAction($id)
     {
@@ -83,7 +83,7 @@ class CourseController extends Controller
     }
 
     /**
-     * @Post("/{id}/update", name="admin.course.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.course.update")
      */
     public function updateAction($id)
     {
@@ -97,7 +97,7 @@ class CourseController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.course.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.course.delete")
      */
     public function deleteAction($id)
     {
@@ -114,7 +114,7 @@ class CourseController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.course.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.course.restore")
      */
     public function restoreAction($id)
     {
@@ -131,7 +131,7 @@ class CourseController extends Controller
     }
 
     /**
-     * @Get("/{id}/chapters", name="admin.course.chapters")
+     * @Get("/{id:[0-9]+}/chapters", name="admin.course.chapters")
      */
     public function chaptersAction($id)
     {
diff --git a/app/Http/Admin/Controllers/HelpController.php b/app/Http/Admin/Controllers/HelpController.php
new file mode 100644
index 00000000..ccbb1e27
--- /dev/null
+++ b/app/Http/Admin/Controllers/HelpController.php
@@ -0,0 +1,121 @@
+<?php
+
+namespace App\Http\Admin\Controllers;
+
+use App\Http\Admin\Services\Help as HelpService;
+
+/**
+ * @RoutePrefix("/admin/help")
+ */
+class HelpController extends Controller
+{
+
+    /**
+     * @Get("/list", name="admin.help.list")
+     */
+    public function listAction()
+    {
+        $helpService = new HelpService();
+
+        $helps = $helpService->getHelps();
+
+        $this->view->setVar('helps', $helps);
+    }
+
+    /**
+     * @Get("/add", name="admin.help.add")
+     */
+    public function addAction()
+    {
+
+    }
+
+    /**
+     * @Post("/create", name="admin.help.create")
+     */
+    public function createAction()
+    {
+        $helpService = new HelpService();
+
+        $helpService->createHelp();
+
+        $location = $this->url->get(['for' => 'admin.help.list']);
+
+        $content = [
+            'location' => $location,
+            'msg' => '创建帮助成功',
+        ];
+
+        return $this->ajaxSuccess($content);
+    }
+
+    /**
+     * @Get("/{id:[0-9]+}/edit", name="admin.help.edit")
+     */
+    public function editAction($id)
+    {
+        $helpService = new HelpService;
+
+        $help = $helpService->getHelp($id);
+
+        $this->view->setVar('help', $help);
+    }
+
+    /**
+     * @Post("/{id:[0-9]+}/update", name="admin.help.update")
+     */
+    public function updateAction($id)
+    {
+        $helpService = new HelpService();
+
+        $helpService->updateHelp($id);
+
+        $location = $this->url->get(['for' => 'admin.help.list']);
+
+        $content = [
+            'location' => $location,
+            'msg' => '更新帮助成功',
+        ];
+
+        return $this->ajaxSuccess($content);
+    }
+
+    /**
+     * @Post("/{id:[0-9]+}/delete", name="admin.help.delete")
+     */
+    public function deleteAction($id)
+    {
+        $helpService = new HelpService();
+
+        $helpService->deleteHelp($id);
+
+        $location = $this->request->getHTTPReferer();
+
+        $content = [
+            'location' => $location,
+            'msg' => '删除帮助成功',
+        ];
+
+        return $this->ajaxSuccess($content);
+    }
+
+    /**
+     * @Post("/{id:[0-9]+}/restore", name="admin.help.restore")
+     */
+    public function restoreAction($id)
+    {
+        $helpService = new HelpService();
+
+        $helpService->restoreHelp($id);
+
+        $location = $this->request->getHTTPReferer();
+
+        $content = [
+            'location' => $location,
+            'msg' => '还原帮助成功',
+        ];
+
+        return $this->ajaxSuccess($content);
+    }
+
+}
diff --git a/app/Http/Admin/Controllers/IndexController.php b/app/Http/Admin/Controllers/IndexController.php
index 3e642706..37747f85 100644
--- a/app/Http/Admin/Controllers/IndexController.php
+++ b/app/Http/Admin/Controllers/IndexController.php
@@ -2,7 +2,7 @@
 
 namespace App\Http\Admin\Controllers;
 
-use App\Http\Admin\Services\AuthMenu as AuthMenuService;
+use App\Http\Admin\Services\Index as IndexService;
 use Phalcon\Mvc\View;
 
 /**
@@ -16,13 +16,12 @@ class IndexController extends Controller
      */
     public function indexAction()
     {
-        $authMenu = new AuthMenuService();
+        $indexService = new IndexService();
 
-        $topMenus = $authMenu->getTopMenus();
-        $leftMenus = $authMenu->getLeftMenus();
+        $topMenus = $indexService->getTopMenus();
+        $leftMenus = $indexService->getLeftMenus();
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-
         $this->view->setVar('top_menus', $topMenus);
         $this->view->setVar('left_menus', $leftMenus);
     }
@@ -32,23 +31,6 @@ class IndexController extends Controller
      */
     public function mainAction()
     {
-        /*
-         $service = new \App\Services\Order();
-         $course = \App\Models\Course::findFirstById(1152);
-         $service->createCourseOrder($course);
-        */
-
-        /*
-         $service = new \App\Services\Order();
-         $package = \App\Models\Package::findFirstById(5);
-         $service->createPackageOrder($package);
-         */
-
-        $refund = new \App\Services\Refund();
-        $order = \App\Models\Order::findFirstById(131);
-        $amount = $refund->getRefundAmount($order);
-
-        dd($amount);
 
     }
 
diff --git a/app/Http/Admin/Controllers/NavController.php b/app/Http/Admin/Controllers/NavController.php
index 9fbac3d3..a06922d2 100644
--- a/app/Http/Admin/Controllers/NavController.php
+++ b/app/Http/Admin/Controllers/NavController.php
@@ -64,7 +64,7 @@ class NavController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.nav.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.nav.edit")
      */
     public function editAction($id)
     {
@@ -76,7 +76,7 @@ class NavController extends Controller
     }
 
     /**
-     * @Post("/{id}/update", name="admin.nav.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.nav.update")
      */
     public function updateAction($id)
     {
@@ -100,7 +100,7 @@ class NavController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.nav.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.nav.delete")
      */
     public function deleteAction($id)
     {
@@ -119,7 +119,7 @@ class NavController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.nav.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.nav.restore")
      */
     public function restoreAction($id)
     {
diff --git a/app/Http/Admin/Controllers/OrderController.php b/app/Http/Admin/Controllers/OrderController.php
index d5be7bb9..37648e91 100644
--- a/app/Http/Admin/Controllers/OrderController.php
+++ b/app/Http/Admin/Controllers/OrderController.php
@@ -31,7 +31,7 @@ class OrderController extends Controller
     }
 
     /**
-     * @Get("/{id}/show", name="admin.order.show")
+     * @Get("/{id:[0-9]+}/show", name="admin.order.show")
      */
     public function showAction($id)
     {
@@ -40,16 +40,18 @@ class OrderController extends Controller
         $order = $orderService->getOrder($id);
         $trades = $orderService->getTrades($order->sn);
         $refunds = $orderService->getRefunds($order->sn);
+        $account = $orderService->getAccount($order->user_id);
         $user = $orderService->getUser($order->user_id);
 
         $this->view->setVar('order', $order);
         $this->view->setVar('trades', $trades);
         $this->view->setVar('refunds', $refunds);
+        $this->view->setVar('account', $account);
         $this->view->setVar('user', $user);
     }
 
     /**
-     * @Post("/{id}/close", name="admin.order.close")
+     * @Post("/{id:[0-9]+}/close", name="admin.order.close")
      */
     public function closeAction($id)
     {
diff --git a/app/Http/Admin/Controllers/PackageController.php b/app/Http/Admin/Controllers/PackageController.php
index 84041618..864b7814 100644
--- a/app/Http/Admin/Controllers/PackageController.php
+++ b/app/Http/Admin/Controllers/PackageController.php
@@ -69,7 +69,7 @@ class PackageController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.package.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.package.edit")
      */
     public function editAction($id)
     {
@@ -83,7 +83,7 @@ class PackageController extends Controller
     }
 
     /**
-     * @Post("/{id}/update", name="admin.package.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.package.update")
      */
     public function updateAction($id)
     {
@@ -97,7 +97,7 @@ class PackageController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.package.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.package.delete")
      */
     public function deleteAction($id)
     {
@@ -114,7 +114,7 @@ class PackageController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.package.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.package.restore")
      */
     public function restoreAction($id)
     {
diff --git a/app/Http/Admin/Controllers/PageController.php b/app/Http/Admin/Controllers/PageController.php
index 047a0dc7..6d4f7bd1 100644
--- a/app/Http/Admin/Controllers/PageController.php
+++ b/app/Http/Admin/Controllers/PageController.php
@@ -15,9 +15,9 @@ class PageController extends Controller
      */
     public function listAction()
     {
-        $service = new PageService();
+        $pageService = new PageService();
 
-        $pager = $service->getPages();
+        $pager = $pageService->getPages();
 
         $this->view->setVar('pager', $pager);
     }
@@ -35,9 +35,9 @@ class PageController extends Controller
      */
     public function createAction()
     {
-        $service = new PageService();
+        $pageService = new PageService();
 
-        $service->createPage();
+        $pageService->createPage();
 
         $location = $this->url->get(['for' => 'admin.page.list']);
 
@@ -50,25 +50,25 @@ class PageController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.page.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.page.edit")
      */
     public function editAction($id)
     {
-        $service = new PageService;
+        $pageService = new PageService;
 
-        $page = $service->getPage($id);
+        $page = $pageService->getPage($id);
 
         $this->view->setVar('page', $page);
     }
 
     /**
-     * @Post("/{id}/update", name="admin.page.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.page.update")
      */
     public function updateAction($id)
     {
-        $service = new PageService();
+        $pageService = new PageService();
 
-        $service->updatePage($id);
+        $pageService->updatePage($id);
 
         $location = $this->url->get(['for' => 'admin.page.list']);
 
@@ -81,13 +81,13 @@ class PageController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.page.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.page.delete")
      */
     public function deleteAction($id)
     {
-        $service = new PageService();
+        $pageService = new PageService();
 
-        $service->deletePage($id);
+        $pageService->deletePage($id);
 
         $location = $this->request->getHTTPReferer();
 
@@ -100,13 +100,13 @@ class PageController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.page.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.page.restore")
      */
     public function restoreAction($id)
     {
-        $service = new PageService();
+        $pageService = new PageService();
 
-        $service->restorePage($id);
+        $pageService->restorePage($id);
 
         $location = $this->request->getHTTPReferer();
 
diff --git a/app/Http/Admin/Controllers/PublicController.php b/app/Http/Admin/Controllers/PublicController.php
index 4f6793ec..dbceb597 100644
--- a/app/Http/Admin/Controllers/PublicController.php
+++ b/app/Http/Admin/Controllers/PublicController.php
@@ -25,15 +25,13 @@ class PublicController extends \Phalcon\Mvc\Controller
     }
 
     /**
-     * @Route("/csrf", name="admin.csrf")
+     * @Route("/robot", name="admin.robot")
      */
-    public function csrfAction()
+    public function robotAction()
     {
         if ($this->request->isAjax()) {
-            return $this->ajaxError(['msg' => 'CSRF令牌验证失败']);
+            return $this->ajaxError(['msg' => '疑似机器人请求']);
         }
-
-        $this->view->pick('public/csrf');
     }
 
     /**
@@ -44,8 +42,6 @@ class PublicController extends \Phalcon\Mvc\Controller
         if ($this->request->isAjax()) {
             return $this->ajaxError(['msg' => '无相关操作权限']);
         }
-
-        $this->view->pick('public/forbidden');
     }
 
     /**
diff --git a/app/Http/Admin/Controllers/RefundController.php b/app/Http/Admin/Controllers/RefundController.php
index ab15c55f..1f087576 100644
--- a/app/Http/Admin/Controllers/RefundController.php
+++ b/app/Http/Admin/Controllers/RefundController.php
@@ -31,7 +31,7 @@ class RefundController extends Controller
     }
 
     /**
-     * @Get("/{id}/show", name="admin.refund.show")
+     * @Get("/{id:[0-9]+}/show", name="admin.refund.show")
      */
     public function showAction($id)
     {
@@ -40,16 +40,18 @@ class RefundController extends Controller
         $refund = $refundService->getRefund($id);
         $order = $refundService->getOrder($refund->order_sn);
         $trade = $refundService->getTrade($refund->trade_sn);
+        $account = $refundService->getAccount($trade->user_id);
         $user = $refundService->getUser($trade->user_id);
 
         $this->view->setVar('refund', $refund);
         $this->view->setVar('order', $order);
         $this->view->setVar('trade', $trade);
+        $this->view->setVar('account', $account);
         $this->view->setVar('user', $user);
     }
 
     /**
-     * @Post("/{id}/review", name="admin.refund.review")
+     * @Post("/{id:[0-9]+}/review", name="admin.refund.review")
      */
     public function reviewAction($id)
     {
diff --git a/app/Http/Admin/Controllers/ReviewController.php b/app/Http/Admin/Controllers/ReviewController.php
index aa1a5a79..456ccd29 100644
--- a/app/Http/Admin/Controllers/ReviewController.php
+++ b/app/Http/Admin/Controllers/ReviewController.php
@@ -23,16 +23,16 @@ class ReviewController extends Controller
      */
     public function listAction()
     {
-        $service = new ReviewService();
+        $reviewService = new ReviewService();
 
-        $pager = $service->getReviews();
+        $pager = $reviewService->getReviews();
 
         $courseId = $this->request->getQuery('course_id', 'int', 0);
 
         $course = null;
 
         if ($courseId > 0) {
-            $course = $service->getCourse($courseId);
+            $course = $reviewService->getCourse($courseId);
         }
 
         $this->view->setVar('pager', $pager);
@@ -40,25 +40,25 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.review.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.review.edit")
      */
     public function editAction($id)
     {
-        $service = new ReviewService();
+        $reviewService = new ReviewService();
 
-        $review = $service->getReview($id);
+        $review = $reviewService->getReview($id);
 
         $this->view->setVar('review', $review);
     }
 
     /**
-     * @Post("/{id}/update", name="admin.review.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.review.update")
      */
     public function updateAction($id)
     {
-        $service = new ReviewService();
+        $reviewService = new ReviewService();
 
-        $service->updateReview($id);
+        $reviewService->updateReview($id);
 
         $content = [
             'msg' => '更新评价成功',
@@ -68,13 +68,13 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.review.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.review.delete")
      */
     public function deleteAction($id)
     {
-        $service = new ReviewService();
+        $reviewService = new ReviewService();
 
-        $service->deleteReview($id);
+        $reviewService->deleteReview($id);
 
         $location = $this->request->getHTTPReferer();
 
@@ -87,13 +87,13 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.review.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.review.restore")
      */
     public function restoreAction($id)
     {
-        $service = new ReviewService();
+        $reviewService = new ReviewService();
 
-        $service->restoreReview($id);
+        $reviewService->restoreReview($id);
 
         $location = $this->request->getHTTPReferer();
 
diff --git a/app/Http/Admin/Controllers/RoleController.php b/app/Http/Admin/Controllers/RoleController.php
index 31462d35..9f5845b4 100644
--- a/app/Http/Admin/Controllers/RoleController.php
+++ b/app/Http/Admin/Controllers/RoleController.php
@@ -2,7 +2,6 @@
 
 namespace App\Http\Admin\Controllers;
 
-use App\Http\Admin\Services\AuthNode;
 use App\Http\Admin\Services\Role as RoleService;
 
 /**
@@ -54,26 +53,21 @@ class RoleController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.role.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.role.edit")
      */
     public function editAction($id)
     {
         $roleService = new RoleService();
 
         $role = $roleService->getRole($id);
-
-        //dd($role->routes);
-
-        $adminNode = new AuthNode();
-
-        $nodes = $adminNode->getAllNodes();
+        $authNodes = $roleService->getAuthNodes();
 
         $this->view->setVar('role', $role);
-        $this->view->setVar('nodes', kg_array_object($nodes));
+        $this->view->setVar('auth_nodes', $authNodes);
     }
 
     /**
-     * @Post("/{id}/update", name="admin.role.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.role.update")
      */
     public function updateAction($id)
     {
@@ -92,7 +86,7 @@ class RoleController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.role.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.role.delete")
      */
     public function deleteAction($id)
     {
@@ -111,7 +105,7 @@ class RoleController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.role.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.role.restore")
      */
     public function restoreAction($id)
     {
diff --git a/app/Http/Admin/Controllers/SessionController.php b/app/Http/Admin/Controllers/SessionController.php
index efbe80e0..d1e8ec9f 100644
--- a/app/Http/Admin/Controllers/SessionController.php
+++ b/app/Http/Admin/Controllers/SessionController.php
@@ -26,7 +26,7 @@ class SessionController extends \Phalcon\Mvc\Controller
             if (!$this->checkHttpReferer() || !$this->checkCsrfToken()) {
                 $this->dispatcher->forward([
                     'controller' => 'public',
-                    'action' => 'forbidden',
+                    'action' => 'robot',
                 ]);
                 return false;
             }
diff --git a/app/Http/Admin/Controllers/SlideController.php b/app/Http/Admin/Controllers/SlideController.php
index 754d2db3..342c12ad 100644
--- a/app/Http/Admin/Controllers/SlideController.php
+++ b/app/Http/Admin/Controllers/SlideController.php
@@ -15,9 +15,9 @@ class SlideController extends Controller
      */
     public function listAction()
     {
-        $service = new SlideService();
+        $slideService = new SlideService();
 
-        $pager = $service->getSlides();
+        $pager = $slideService->getSlides();
 
         $this->view->setVar('pager', $pager);
     }
@@ -35,9 +35,9 @@ class SlideController extends Controller
      */
     public function createAction()
     {
-        $service = new SlideService();
+        $slideService = new SlideService();
 
-        $slide = $service->createSlide();
+        $slide = $slideService->createSlide();
 
         $location = $this->url->get([
             'for' => 'admin.slide.edit',
@@ -53,25 +53,25 @@ class SlideController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.slide.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.slide.edit")
      */
     public function editAction($id)
     {
-        $service = new SlideService();
+        $slideService = new SlideService();
 
-        $slide = $service->getSlide($id);
+        $slide = $slideService->getSlide($id);
 
         $this->view->setVar('slide', $slide);
     }
 
     /**
-     * @Post("/{id}/update", name="admin.slide.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.slide.update")
      */
     public function updateAction($id)
     {
-        $service = new SlideService();
+        $slideService = new SlideService();
 
-        $service->updateSlide($id);
+        $slideService->updateSlide($id);
 
         $location = $this->url->get(['for' => 'admin.slide.list']);
 
@@ -84,13 +84,13 @@ class SlideController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="admin.slide.delete")
+     * @Post("/{id:[0-9]+}/delete", name="admin.slide.delete")
      */
     public function deleteAction($id)
     {
-        $service = new SlideService();
+        $slideService = new SlideService();
 
-        $service->deleteSlide($id);
+        $slideService->deleteSlide($id);
 
         $location = $this->request->getHTTPReferer();
 
@@ -103,13 +103,13 @@ class SlideController extends Controller
     }
 
     /**
-     * @Post("/{id}/restore", name="admin.slide.restore")
+     * @Post("/{id:[0-9]+}/restore", name="admin.slide.restore")
      */
     public function restoreAction($id)
     {
-        $service = new SlideService();
+        $slideService = new SlideService();
 
-        $service->restoreSlide($id);
+        $slideService->restoreSlide($id);
 
         $location = $this->request->getHTTPReferer();
 
diff --git a/app/Http/Admin/Controllers/StudentController.php b/app/Http/Admin/Controllers/StudentController.php
index 6ceb4e22..2e96caba 100644
--- a/app/Http/Admin/Controllers/StudentController.php
+++ b/app/Http/Admin/Controllers/StudentController.php
@@ -25,9 +25,9 @@ class StudentController extends Controller
     {
         $courseId = $this->request->getQuery('course_id', 'int', '');
 
-        $service = new CourseStudentService();
+        $courseStudentService = new CourseStudentService();
 
-        $pager = $service->getCourseStudents();
+        $pager = $courseStudentService->getCourseStudents();
 
         $this->view->setVar('pager', $pager);
         $this->view->setVar('course_id', $courseId);
@@ -48,9 +48,9 @@ class StudentController extends Controller
      */
     public function createAction()
     {
-        $service = new CourseStudentService();
+        $courseStudentService = new CourseStudentService();
 
-        $student = $service->createCourseStudent();
+        $student = $courseStudentService->createCourseStudent();
 
         $location = $this->url->get(
             ['for' => 'admin.student.list'],
@@ -73,11 +73,11 @@ class StudentController extends Controller
         $courseId = $this->request->getQuery('course_id', 'int');
         $userId = $this->request->getQuery('user_id', 'int');
 
-        $service = new CourseStudentService();
+        $courseStudentService = new CourseStudentService();
 
-        $courseStudent = $service->getCourseStudent($courseId, $userId);
-        $course = $service->getCourse($courseId);
-        $student = $service->getStudent($userId);
+        $courseStudent = $courseStudentService->getCourseStudent($courseId, $userId);
+        $course = $courseStudentService->getCourse($courseId);
+        $student = $courseStudentService->getStudent($userId);
 
         $this->view->setVar('course_student', $courseStudent);
         $this->view->setVar('course', $course);
@@ -89,9 +89,9 @@ class StudentController extends Controller
      */
     public function updateAction()
     {
-        $service = new CourseStudentService();
+        $courseStudentService = new CourseStudentService();
 
-        $student = $service->updateCourseStudent();
+        $student = $courseStudentService->updateCourseStudent();
 
         $location = $this->url->get(
             ['for' => 'admin.student.list'],
@@ -111,9 +111,9 @@ class StudentController extends Controller
      */
     public function learningAction()
     {
-        $service = new CourseStudentService();
+        $courseStudentService = new CourseStudentService();
 
-        $pager = $service->getCourseLearnings();
+        $pager = $courseStudentService->getCourseLearnings();
 
         $this->view->setVar('pager', $pager);
     }
diff --git a/app/Http/Admin/Controllers/TopicController.php b/app/Http/Admin/Controllers/TopicController.php
new file mode 100644
index 00000000..1c94ef80
--- /dev/null
+++ b/app/Http/Admin/Controllers/TopicController.php
@@ -0,0 +1,117 @@
+<?php
+
+namespace App\Http\Admin\Controllers;
+
+use App\Http\Admin\Services\Topic as TopicService;
+
+/**
+ * @RoutePrefix("/admin/topic")
+ */
+class TopicController extends Controller
+{
+
+    /**
+     * @Get("/list", name="admin.topic.list")
+     */
+    public function listAction()
+    {
+        $topicService = new TopicService();
+
+        $pager = $topicService->getTopics();
+
+        $this->view->setVar('pager', $pager);
+    }
+
+    /**
+     * @Get("/add", name="admin.topic.add")
+     */
+    public function addAction()
+    {
+
+    }
+
+    /**
+     * @Post("/create", name="admin.topic.create")
+     */
+    public function createAction()
+    {
+        $topicService = new TopicService();
+
+        $topic = $topicService->createTopic();
+
+        $location = $this->url->get([
+            'for' => 'admin.topic.edit',
+            'id' => $topic->id,
+        ]);
+
+        $content = [
+            'location' => $location,
+            'msg' => '创建话题成功',
+        ];
+
+        return $this->ajaxSuccess($content);
+    }
+
+    /**
+     * @Get("/{id:[0-9]+}/edit", name="admin.topic.edit")
+     */
+    public function editAction($id)
+    {
+        $topicService = new TopicService();
+
+        $topic = $topicService->getTopic($id);
+        $xmCourses = $topicService->getXmCourses($id);
+
+        $this->view->setVar('topic', $topic);
+        $this->view->setVar('xm_courses', $xmCourses);
+    }
+
+    /**
+     * @Post("/{id:[0-9]+}/update", name="admin.topic.update")
+     */
+    public function updateAction($id)
+    {
+        $topicService = new TopicService();
+
+        $topicService->updateTopic($id);
+
+        $content = ['msg' => '更新话题成功'];
+
+        return $this->ajaxSuccess($content);
+    }
+
+    /**
+     * @Post("/{id:[0-9]+}/delete", name="admin.topic.delete")
+     */
+    public function deleteAction($id)
+    {
+        $topicService = new TopicService();
+
+        $topicService->deleteTopic($id);
+
+        $content = [
+            'location' => $this->request->getHTTPReferer(),
+            'msg' => '删除话题成功',
+        ];
+
+        return $this->ajaxSuccess($content);
+    }
+
+    /**
+     * @Post("/{id:[0-9]+}/restore", name="admin.topic.restore")
+     */
+    public function restoreAction($id)
+    {
+        $topicService = new TopicService();
+
+        $topicService->restoreTopic($id);
+
+        $content = [
+            'location' => $this->request->getHTTPReferer(),
+            'msg' => '还原话题成功',
+        ];
+
+        return $this->ajaxSuccess($content);
+    }
+
+}
diff --git a/app/Http/Admin/Controllers/TradeController.php b/app/Http/Admin/Controllers/TradeController.php
index f5869b41..d547df2f 100644
--- a/app/Http/Admin/Controllers/TradeController.php
+++ b/app/Http/Admin/Controllers/TradeController.php
@@ -31,7 +31,7 @@ class TradeController extends Controller
     }
 
     /**
-     * @Get("/{id}/show", name="admin.trade.show")
+     * @Get("/{id:[0-9]+}/show", name="admin.trade.show")
      */
     public function showAction($id)
     {
@@ -40,16 +40,18 @@ class TradeController extends Controller
         $trade = $tradeService->getTrade($id);
         $refunds = $tradeService->getRefunds($trade->sn);
         $order = $tradeService->getOrder($trade->order_sn);
+        $account = $tradeService->getAccount($trade->user_id);
         $user = $tradeService->getUser($trade->user_id);
 
         $this->view->setVar('refunds', $refunds);
         $this->view->setVar('trade', $trade);
         $this->view->setVar('order', $order);
+        $this->view->setVar('account', $account);
         $this->view->setVar('user', $user);
     }
 
     /**
-     * @Post("/{id}/close", name="admin.trade.close")
+     * @Post("/{id:[0-9]+}/close", name="admin.trade.close")
      */
     public function closeAction($id)
     {
@@ -68,7 +70,7 @@ class TradeController extends Controller
     }
 
     /**
-     * @Post("/{id}/refund", name="admin.trade.refund")
+     * @Post("/{id:[0-9]+}/refund", name="admin.trade.refund")
      */
     public function refundAction($id)
     {
diff --git a/app/Http/Admin/Controllers/UserController.php b/app/Http/Admin/Controllers/UserController.php
index b60b9bea..8b068691 100644
--- a/app/Http/Admin/Controllers/UserController.php
+++ b/app/Http/Admin/Controllers/UserController.php
@@ -35,7 +35,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Get("/{id}/show", name="admin.user.show")
+     * @Get("/{id:[0-9]+}/show", name="admin.user.show")
      */
     public function showAction($id)
     {
@@ -74,7 +74,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Get("/{id}/edit", name="admin.user.edit")
+     * @Get("/{id:[0-9]+}/edit", name="admin.user.edit")
      */
     public function editAction($id)
     {
@@ -88,7 +88,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Post("/{id}/update", name="admin.user.update")
+     * @Post("/{id:[0-9]+}/update", name="admin.user.update")
      */
     public function updateAction($id)
     {
diff --git a/app/Http/Admin/Controllers/VodController.php b/app/Http/Admin/Controllers/VodController.php
index f84d7745..a85a8f06 100644
--- a/app/Http/Admin/Controllers/VodController.php
+++ b/app/Http/Admin/Controllers/VodController.php
@@ -3,7 +3,7 @@
 namespace App\Http\Admin\Controllers;
 
 use App\Models\Learning as LearningModel;
-use App\Services\Learning as LearningService;
+use App\Services\LearningSyncer as LearningSyncerService;
 use App\Services\Vod as VodService;
 use Phalcon\Mvc\View;
 
@@ -58,9 +58,9 @@ class VodController extends Controller
         $learning->chapter_id = $query['chapter_id'];
         $learning->position = $query['position'];
 
-        $learningService = new LearningService();
+        $syncerService = new LearningSyncerService();
 
-        $learningService->save($learning, $query['timeout']);
+        $syncerService->save($learning, $query['timeout']);
 
         return $this->ajaxSuccess();
     }
diff --git a/app/Http/Admin/Module.php b/app/Http/Admin/Module.php
index 9ae9f52e..c7e46068 100644
--- a/app/Http/Admin/Module.php
+++ b/app/Http/Admin/Module.php
@@ -17,7 +17,7 @@ class Module implements ModuleDefinitionInterface
 
     public function registerServices(DiInterface $di)
     {
-        $di->set('view', function () {
+        $di->setShared('view', function () {
             $view = new View();
             $view->setViewsDir(__DIR__ . '/Views');
             $view->registerEngines([
diff --git a/app/Http/Admin/Services/AuthMenu.php b/app/Http/Admin/Services/AuthMenu.php
index 7f23b0b4..31a13654 100644
--- a/app/Http/Admin/Services/AuthMenu.php
+++ b/app/Http/Admin/Services/AuthMenu.php
@@ -8,7 +8,7 @@ class AuthMenu extends UserComponent
 
 {
 
-    protected $nodes = [];
+    protected $authNodes = [];
     protected $ownedRoutes = [];
     protected $owned1stLevelIds = [];
     protected $owned2ndLevelIds = [];
@@ -17,8 +17,8 @@ class AuthMenu extends UserComponent
 
     public function __construct()
     {
-        $this->authUser = $this->getAuthUser();
-        $this->nodes = $this->getAllNodes();
+        $this->authUser = $this->getAuthInfo();
+        $this->authNodes = $this->getAuthNodes();
         $this->setOwnedLevelIds();
     }
 
@@ -26,8 +26,8 @@ class AuthMenu extends UserComponent
     {
         $menus = [];
 
-        foreach ($this->nodes as $node) {
-            if ($this->authUser->admin || in_array($node['id'], $this->owned1stLevelIds)) {
+        foreach ($this->authNodes as $node) {
+            if ($this->authUser->root || in_array($node['id'], $this->owned1stLevelIds)) {
                 $menus[] = [
                     'id' => $node['id'],
                     'label' => $node['label'],
@@ -35,17 +35,17 @@ class AuthMenu extends UserComponent
             }
         }
 
-        return kg_array_object($menus);
+        return $menus;
     }
 
     public function getLeftMenus()
     {
         $menus = [];
 
-        foreach ($this->nodes as $key => $level) {
+        foreach ($this->authNodes as $key => $level) {
             foreach ($level['child'] as $key2 => $level2) {
                 foreach ($level2['child'] as $key3 => $level3) {
-                    $hasRight = $this->authUser->admin || in_array($level3['id'], $this->owned3rdLevelIds);
+                    $hasRight = $this->authUser->root || in_array($level3['id'], $this->owned3rdLevelIds);
                     if ($level3['type'] == 'menu' && $hasRight) {
                         $menus[$key]['id'] = $level['id'];
                         $menus[$key]['label'] = $level['label'];
@@ -61,7 +61,7 @@ class AuthMenu extends UserComponent
             }
         }
 
-        return kg_array_object($menus);
+        return $menus;
     }
 
     protected function setOwnedLevelIds()
@@ -92,7 +92,7 @@ class AuthMenu extends UserComponent
     {
         $mapping = [];
 
-        foreach ($this->nodes as $level) {
+        foreach ($this->authNodes as $level) {
             foreach ($level['child'] as $level2) {
                 foreach ($level2['child'] as $level3) {
                     if ($level3['type'] == 'menu') {
@@ -105,18 +105,18 @@ class AuthMenu extends UserComponent
         return $mapping;
     }
 
-    protected function getAllNodes()
+    protected function getAuthNodes()
     {
         $authNode = new AuthNode();
 
-        return $authNode->getAllNodes();
+        return $authNode->getNodes();
     }
 
-    protected function getAuthUser()
+    protected function getAuthInfo()
     {
         $auth = $this->getDI()->get('auth');
 
-        return $auth->getAuthUser();
+        return $auth->getAuthInfo();
     }
 
 }
diff --git a/app/Http/Admin/Services/AuthNode.php b/app/Http/Admin/Services/AuthNode.php
index 800d3b6d..384fe6e2 100644
--- a/app/Http/Admin/Services/AuthNode.php
+++ b/app/Http/Admin/Services/AuthNode.php
@@ -5,7 +5,7 @@ namespace App\Http\Admin\Services;
 class AuthNode extends Service
 {
 
-    public function getAllNodes()
+    public function getNodes()
     {
         $nodes = [];
 
@@ -123,6 +123,37 @@ class AuthNode extends Service
                         ],
                     ],
                 ],
+                [
+                    'id' => '1-4',
+                    'label' => '话题管理',
+                    'type' => 'menu',
+                    'child' => [
+                        [
+                            'id' => '1-4-1',
+                            'label' => '话题列表',
+                            'type' => 'menu',
+                            'route' => 'admin.topic.list',
+                        ],
+                        [
+                            'id' => '1-4-2',
+                            'label' => '添加话题',
+                            'type' => 'menu',
+                            'route' => 'admin.topic.add',
+                        ],
+                        [
+                            'id' => '1-4-3',
+                            'label' => '编辑话题',
+                            'type' => 'button',
+                            'route' => 'admin.topic.edit',
+                        ],
+                        [
+                            'id' => '1-4-4',
+                            'label' => '删除话题',
+                            'type' => 'button',
+                            'route' => 'admin.topic.delete',
+                        ],
+                    ],
+                ],
             ],
         ];
 
@@ -290,6 +321,37 @@ class AuthNode extends Service
                         ],
                     ],
                 ],
+                [
+                    'id' => '2-7',
+                    'label' => '帮助管理',
+                    'type' => 'menu',
+                    'child' => [
+                        [
+                            'id' => '2-7-1',
+                            'label' => '帮助列表',
+                            'type' => 'menu',
+                            'route' => 'admin.help.list',
+                        ],
+                        [
+                            'id' => '2-7-2',
+                            'label' => '添加帮助',
+                            'type' => 'menu',
+                            'route' => 'admin.help.add',
+                        ],
+                        [
+                            'id' => '2-7-3',
+                            'label' => '编辑帮助',
+                            'type' => 'button',
+                            'route' => 'admin.help.edit',
+                        ],
+                        [
+                            'id' => '2-7-4',
+                            'label' => '删除帮助',
+                            'type' => 'button',
+                            'route' => 'admin.help.delete',
+                        ],
+                    ],
+                ],
             ],
         ];
 
@@ -515,7 +577,7 @@ class AuthNode extends Service
                             'id' => '5-1-1',
                             'label' => '网站设置',
                             'type' => 'menu',
-                            'route' => 'admin.config.website',
+                            'route' => 'admin.config.site',
                         ],
                         [
                             'id' => '5-1-2',
diff --git a/app/Http/Admin/Services/AuthUser.php b/app/Http/Admin/Services/AuthUser.php
index 7bd1b3b8..5623d0f9 100644
--- a/app/Http/Admin/Services/AuthUser.php
+++ b/app/Http/Admin/Services/AuthUser.php
@@ -4,9 +4,9 @@ namespace App\Http\Admin\Services;
 
 use App\Models\Role as RoleModel;
 use App\Models\User as UserModel;
-use Phalcon\Mvc\User\Component as UserComponent;
+use App\Repos\Role as RoleRepo;
 
-class AuthUser extends UserComponent
+class AuthUser extends \Phalcon\Mvc\User\Component
 {
 
     /**
@@ -17,11 +17,15 @@ class AuthUser extends UserComponent
      */
     public function hasPermission($route)
     {
-        $authUser = $this->getAuthUser();
+        $authUser = $this->getAuthInfo();
 
-        if ($authUser->admin) return true;
+        if ($authUser->root) {
+            return true;
+        }
 
-        if (in_array($route, $authUser->routes)) return true;
+        if (in_array($route, $authUser->routes)) {
+            return true;
+        }
 
         return false;
     }
@@ -31,27 +35,23 @@ class AuthUser extends UserComponent
      *
      * @param UserModel $user
      */
-    public function setAuthUser(UserModel $user)
+    public function setAuthInfo(UserModel $user)
     {
-        $role = RoleModel::findFirstById($user->admin_role);
+        $roleRepo = new RoleRepo();
 
-        if ($role->id == RoleModel::ROLE_ADMIN) {
-            $admin = 1;
-            $routes = [];
-        } else {
-            $admin = 0;
-            $routes = $role->routes;
-        }
+        $role = $roleRepo->findById($user->admin_role);
 
-        $authKey = $this->getAuthKey();
+        $root = $role->id == RoleModel::ROLE_ROOT ? 1 : 0;
 
         $authUser = new \stdClass();
 
         $authUser->id = $user->id;
         $authUser->name = $user->name;
         $authUser->avatar = $user->avatar;
-        $authUser->admin = $admin;
-        $authUser->routes = $routes;
+        $authUser->routes = $role->routes;
+        $authUser->root = $root;
+
+        $authKey = $this->getAuthKey();
 
         $this->session->set($authKey, $authUser);
     }
@@ -59,7 +59,7 @@ class AuthUser extends UserComponent
     /**
      * 清除会话
      */
-    public function removeAuthUser()
+    public function removeAuthInfo()
     {
         $authKey = $this->getAuthKey();
 
@@ -71,7 +71,7 @@ class AuthUser extends UserComponent
      *
      * @return mixed
      */
-    public function getAuthUser()
+    public function getAuthInfo()
     {
         $authKey = $this->getAuthKey();
 
@@ -85,7 +85,7 @@ class AuthUser extends UserComponent
      */
     public function getAuthKey()
     {
-        return 'admin';
+        return 'admin_info';
     }
 
 }
diff --git a/app/Http/Admin/Services/Category.php b/app/Http/Admin/Services/Category.php
index 814c8561..3d2ee3e6 100644
--- a/app/Http/Admin/Services/Category.php
+++ b/app/Http/Admin/Services/Category.php
@@ -91,6 +91,8 @@ class Category extends Service
 
         $category->update();
 
+        $this->updateCategoryStats($category);
+
         return $category;
     }
 
@@ -114,10 +116,19 @@ class Category extends Service
 
         if (isset($post['published'])) {
             $data['published'] = $validator->checkPublishStatus($post['published']);
+            if ($category->parent_id == 0) {
+                if ($category->published == 0 && $post['published'] == 1) {
+                    $this->enableChildCategories($category->id);
+                } elseif ($category->published == 1 && $post['published'] == 0) {
+                    $this->disableChildCategories($category->id);
+                }
+            }
         }
 
         $category->update($data);
 
+        $this->updateCategoryStats($category);
+
         return $category;
     }
 
@@ -125,14 +136,16 @@ class Category extends Service
     {
         $category = $this->findOrFail($id);
 
-        if ($category->deleted == 1) {
-            return false;
-        }
+        $validator = new CategoryValidator();
+
+        $validator->checkDeleteAbility($category);
 
         $category->deleted = 1;
 
         $category->update();
 
+        $this->updateCategoryStats($category);
+
         return $category;
     }
 
@@ -140,17 +153,60 @@ class Category extends Service
     {
         $category = $this->findOrFail($id);
 
-        if ($category->deleted == 0) {
-            return false;
-        }
-
         $category->deleted = 0;
 
         $category->update();
 
+        $this->updateCategoryStats($category);
+
         return $category;
     }
 
+    protected function updateCategoryStats(CategoryModel $category)
+    {
+        $categoryRepo = new CategoryRepo();
+
+        if ($category->parent_id > 0) {
+            $category = $categoryRepo->findById($category->parent_id);
+        }
+
+        $childCount = $categoryRepo->countChildCategories($category->id);
+        $category->child_count = $childCount;
+        $category->update();
+    }
+
+    protected function enableChildCategories($parentId)
+    {
+        $categoryRepo = new CategoryRepo();
+
+        $categories = $categoryRepo->findAll(['parent_id' => $parentId]);
+
+        if ($categories->count() == 0) {
+            return;
+        }
+
+        foreach ($categories as $category) {
+            $category->published = 1;
+            $category->update();
+        }
+    }
+
+    protected function disableChildCategories($parentId)
+    {
+        $categoryRepo = new CategoryRepo();
+
+        $categories = $categoryRepo->findAll(['parent_id' => $parentId]);
+
+        if ($categories->count() == 0) {
+            return;
+        }
+
+        foreach ($categories as $category) {
+            $category->published = 0;
+            $category->update();
+        }
+    }
+
     protected function findOrFail($id)
     {
         $validator = new CategoryValidator();
diff --git a/app/Http/Admin/Services/Chapter.php b/app/Http/Admin/Services/Chapter.php
index 5aee88a0..b96ab6ed 100644
--- a/app/Http/Admin/Services/Chapter.php
+++ b/app/Http/Admin/Services/Chapter.php
@@ -12,28 +12,6 @@ use App\Validators\Chapter as ChapterValidator;
 class Chapter extends Service
 {
 
-    public function getCourse($courseId)
-    {
-        $courseRepo = new CourseRepo();
-
-        $result = $courseRepo->findById($courseId);
-
-        return $result;
-    }
-
-    public function getCourseChapters($courseId)
-    {
-        $chapterRepo = new ChapterRepo();
-
-        $result = $chapterRepo->findAll([
-            'course_id' => $courseId,
-            'parent_id' => 0,
-            'deleted' => 0,
-        ]);
-
-        return $result;
-    }
-
     public function getLessons($parentId)
     {
         $deleted = $this->request->getQuery('deleted', 'int', 0);
@@ -117,7 +95,7 @@ class Chapter extends Service
 
         if (isset($post['published'])) {
             $data['published'] = $validator->checkPublishStatus($post['published']);
-            if ($post['published'] == 1) {
+            if ($chapter->published == 0 && $post['published'] == 1) {
                 $validator->checkPublishAbility($chapter);
             }
         }
@@ -134,17 +112,16 @@ class Chapter extends Service
     {
         $chapter = $this->findOrFail($id);
 
-        if ($chapter->deleted == 1) {
-            return false;
-        }
+        $validator = new ChapterValidator();
+
+        $validator->checkDeleteAbility($chapter);
 
         $chapter->deleted = 1;
 
         $chapter->update();
 
-        if ($chapter->parent_id == 0) {
-            $this->deleteChildChapters($chapter->id);
-        }
+        $this->updateChapterStats($chapter);
+        $this->updateCourseStats($chapter);
 
         return $chapter;
     }
@@ -153,57 +130,17 @@ class Chapter extends Service
     {
         $chapter = $this->findOrFail($id);
 
-        if ($chapter->deleted == 0) {
-            return false;
-        }
-
         $chapter->deleted = 0;
 
         $chapter->update();
 
-        if ($chapter->parent_id == 0) {
-            $this->restoreChildChapters($chapter->id);
-        }
-
         $this->updateChapterStats($chapter);
         $this->updateCourseStats($chapter);
 
         return $chapter;
     }
 
-    protected function deleteChildChapters($parentId)
-    {
-        $chapterRepo = new ChapterRepo();
-
-        $chapters = $chapterRepo->findAll(['parent_id' => $parentId]);
-
-        if ($chapters->count() == 0) {
-            return;
-        }
-
-        foreach ($chapters as $chapter) {
-            $chapter->deleted = 1;
-            $chapter->update();
-        }
-    }
-
-    protected function restoreChildChapters($parentId)
-    {
-        $chapterRepo = new ChapterRepo();
-
-        $chapters = $chapterRepo->findAll(['parent_id' => $parentId]);
-
-        if ($chapters->count() == 0) {
-            return;
-        }
-
-        foreach ($chapters as $chapter) {
-            $chapter->deleted = 0;
-            $chapter->update();
-        }
-    }
-
-    protected function updateChapterStats($chapter)
+    protected function updateChapterStats(ChapterModel $chapter)
     {
         $chapterRepo = new ChapterRepo();
 
@@ -214,10 +151,9 @@ class Chapter extends Service
         $lessonCount = $chapterRepo->countLessons($chapter->id);
         $chapter->lesson_count = $lessonCount;
         $chapter->update();
-
     }
 
-    protected function updateCourseStats($chapter)
+    protected function updateCourseStats(ChapterModel $chapter)
     {
         $courseRepo = new CourseRepo();
 
@@ -228,11 +164,11 @@ class Chapter extends Service
         $courseStats->updateLessonCount($course->id);
 
         if ($course->model == CourseModel::MODEL_VOD) {
-            $courseStats->updateVodDuration($course->id);
+            $courseStats->updateVodAttrs($course->id);
         } elseif ($course->model == CourseModel::MODEL_LIVE) {
-            $courseStats->updateLiveDateRange($course->id);
-        } elseif ($course->model == CourseModel::MODEL_ARTICLE) {
-            $courseStats->updateArticleWordCount($course->id);
+            $courseStats->updateLiveAttrs($course->id);
+        } elseif ($course->model == CourseModel::MODEL_READ) {
+            $courseStats->updateReadAttrs($course->id);
         }
     }
 
diff --git a/app/Http/Admin/Services/ChapterContent.php b/app/Http/Admin/Services/ChapterContent.php
index a91328a8..38c8d109 100644
--- a/app/Http/Admin/Services/ChapterContent.php
+++ b/app/Http/Admin/Services/ChapterContent.php
@@ -7,10 +7,10 @@ use App\Models\Chapter as ChapterModel;
 use App\Models\Course as CourseModel;
 use App\Repos\Chapter as ChapterRepo;
 use App\Repos\Course as CourseRepo;
+use App\Services\ChapterVod as ChapterVodService;
 use App\Services\CourseStats as CourseStatsService;
-use App\Services\Vod as VodService;
-use App\Validators\ChapterArticle as ChapterArticleValidator;
 use App\Validators\ChapterLive as ChapterLiveValidator;
+use App\Validators\ChapterRead as ChapterReadValidator;
 use App\Validators\ChapterVod as ChapterVodValidator;
 
 class ChapterContent extends Service
@@ -34,48 +34,22 @@ class ChapterContent extends Service
         return $result;
     }
 
-    public function getChapterArticle($chapterId)
+    public function getChapterRead($chapterId)
     {
         $chapterRepo = new ChapterRepo();
 
-        $result = $chapterRepo->findChapterArticle($chapterId);
+        $result = $chapterRepo->findChapterRead($chapterId);
 
         return $result;
     }
 
-    public function getTranslatedFiles($fileId)
+    public function getVodFiles($chapterId)
     {
-        if (!$fileId) return;
+        $chapterVodService = new ChapterVodService();
 
-        $vodService = new VodService();
+        $vodFiles = $chapterVodService->getVodFiles($chapterId);
 
-        $mediaInfo = $vodService->getMediaInfo($fileId);
-
-        if (!$mediaInfo) return;
-
-        $result = [];
-
-        $files = $mediaInfo['MediaInfoSet'][0]['TranscodeInfo']['TranscodeSet'];
-
-        foreach ($files as $file) {
-
-            if ($file['Definition'] == 0) {
-                continue;
-            }
-
-            $result[] = [
-                'play_url' => $vodService->getPlayUrl($file['Url']),
-                'width' => $file['Width'],
-                'height' => $file['Height'],
-                'definition' => $file['Definition'],
-                'duration' => kg_play_duration($file['Duration']),
-                'format' => pathinfo($file['Url'], PATHINFO_EXTENSION),
-                'size' => sprintf('%0.2f', $file['Size'] / 1024 / 1024),
-                'bit_rate' => intval($file['Bitrate'] / 1024),
-            ];
-        }
-
-        return kg_array_object($result);
+        return kg_array_object($vodFiles);
     }
 
     public function updateChapterContent($chapterId)
@@ -93,13 +67,13 @@ class ChapterContent extends Service
             case CourseModel::MODEL_LIVE:
                 $this->updateChapterLive($chapter);
                 break;
-            case CourseModel::MODEL_ARTICLE:
-                $this->updateChapterArticle($chapter);
+            case CourseModel::MODEL_READ:
+                $this->updateChapterRead($chapter);
                 break;
         }
     }
 
-    protected function updateChapterVod($chapter)
+    protected function updateChapterVod(ChapterModel $chapter)
     {
         $post = $this->request->getPost();
 
@@ -115,15 +89,28 @@ class ChapterContent extends Service
             return;
         }
 
-        $vod->update(['file_id' => $fileId]);
+        $vod->update([
+            'file_id' => $fileId,
+            'file_attrs' => '',
+        ]);
 
+        /**
+         * @var array $attrs
+         */
         $attrs = $chapter->attrs;
-        $attrs->file_id = $fileId;
-        $attrs->file_status = ChapterModel::FS_UPLOADED;
+
+        $attrs['duration'] = 0;
+        $attrs['file_id'] = $fileId;
+        $attrs['file_status'] = ChapterModel::FS_UPLOADED;
+
         $chapter->update(['attrs' => $attrs]);
+
+        $courseStats = new CourseStatsService();
+
+        $courseStats->updateVodAttrs($chapter->course_id);
     }
 
-    protected function updateChapterLive($chapter)
+    protected function updateChapterLive(ChapterModel $chapter)
     {
         $post = $this->request->getPost();
 
@@ -142,37 +129,50 @@ class ChapterContent extends Service
 
         $live->update($data);
 
+        /**
+         * @var array $attrs
+         */
         $attrs = $chapter->attrs;
-        $attrs->start_time = $data['start_time'];
-        $attrs->end_time = $data['end_time'];
+
+        $attrs['start_time'] = $data['start_time'];
+        $attrs['end_time'] = $data['end_time'];
+
         $chapter->update(['attrs' => $attrs]);
 
         $courseStats = new CourseStatsService();
-        $courseStats->updateLiveDateRange($chapter->course_id);
+
+        $courseStats->updateLiveAttrs($chapter->course_id);
     }
 
-    protected function updateChapterArticle($chapter)
+    protected function updateChapterRead(ChapterModel $chapter)
     {
         $post = $this->request->getPost();
 
         $chapterRepo = new ChapterRepo();
 
-        $article = $chapterRepo->findChapterArticle($chapter->id);
+        $read = $chapterRepo->findChapterRead($chapter->id);
 
-        $validator = new ChapterArticleValidator();
+        $validator = new ChapterReadValidator();
 
         $data = [];
 
         $data['content'] = $validator->checkContent($post['content']);
 
-        $article->update($data);
+        $read->update($data);
 
+        /**
+         * @var array $attrs
+         */
         $attrs = $chapter->attrs;
-        $attrs->word_count = WordUtil::getWordCount($article->content);
+
+        $attrs['word_count'] = WordUtil::getWordCount($read->content);
+        $attrs['duration'] = WordUtil::getWordDuration($read->content);
+
         $chapter->update(['attrs' => $attrs]);
 
         $courseStats = new CourseStatsService();
-        $courseStats->updateArticleWordCount($chapter->course_id);
+
+        $courseStats->updateReadAttrs($chapter->course_id);
     }
 
 }
diff --git a/app/Http/Admin/Services/Config.php b/app/Http/Admin/Services/Config.php
index c79ccbdf..428c2f3f 100644
--- a/app/Http/Admin/Services/Config.php
+++ b/app/Http/Admin/Services/Config.php
@@ -2,7 +2,6 @@
 
 namespace App\Http\Admin\Services;
 
-use App\Caches\Config as ConfigCache;
 use App\Repos\Config as ConfigRepo;
 
 class Config extends Service
@@ -36,10 +35,6 @@ class Config extends Service
                 $item->update();
             }
         }
-
-        $configCache = new ConfigCache();
-
-        $configCache->delete();
     }
 
     public function updateStorageConfig($section, $config)
diff --git a/app/Http/Admin/Services/Course.php b/app/Http/Admin/Services/Course.php
index 66b33b61..fca9fdfc 100644
--- a/app/Http/Admin/Services/Course.php
+++ b/app/Http/Admin/Services/Course.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Builders\CourseList as CourseListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Models\Course as CourseModel;
 use App\Models\CourseCategory as CourseCategoryModel;
@@ -14,7 +15,6 @@ use App\Repos\CourseCategory as CourseCategoryRepo;
 use App\Repos\CourseRelated as CourseRelatedRepo;
 use App\Repos\CourseUser as CourseUserRepo;
 use App\Repos\User as UserRepo;
-use App\Transformers\CourseList as CourseListTransformer;
 use App\Validators\Course as CourseValidator;
 
 class Course extends Service
@@ -26,8 +26,9 @@ class Course extends Service
 
         $params = $pagerQuery->getParams();
 
-        if (isset($params['xm_category_ids'])) {
-            $params['id'] = $this->getCategoryCourseIds($params['xm_category_ids']);
+        if (!empty($params['xm_category_ids'])) {
+            $xmCategoryIds = explode(',', $params['xm_category_ids']);
+            $params['category_id'] = count($xmCategoryIds) > 1 ? $xmCategoryIds : $xmCategoryIds[0];
         }
 
         $params['deleted'] = $params['deleted'] ?? 0;
@@ -66,8 +67,6 @@ class Course extends Service
 
         $course->create($data);
 
-        $this->eventsManager->fire('course:afterCreate', $this, $course);
-
         return $course;
     }
 
@@ -137,8 +136,6 @@ class Course extends Service
 
         $course->update($data);
 
-        $this->eventsManager->fire('course:afterUpdate', $this, $course);
-
         return $course;
     }
 
@@ -146,16 +143,10 @@ class Course extends Service
     {
         $course = $this->findOrFail($id);
 
-        if ($course->deleted == 1) {
-            return false;
-        }
-
         $course->deleted = 1;
 
         $course->update();
 
-        $this->eventsManager->fire('course:afterDelete', $this, $course);
-
         return $course;
     }
 
@@ -163,16 +154,10 @@ class Course extends Service
     {
         $course = $this->findOrFail($id);
 
-        if ($course->deleted == 0) {
-            return false;
-        }
-
         $course->deleted = 0;
 
         $course->update();
 
-        $this->eventsManager->fire('course:afterRestore', $this, $course);
-
         return $course;
     }
 
@@ -308,7 +293,7 @@ class Course extends Service
         return $result;
     }
 
-    protected function saveTeachers($course, $teacherIds)
+    protected function saveTeachers(CourseModel $course, $teacherIds)
     {
         $courseRepo = new CourseRepo();
 
@@ -351,7 +336,7 @@ class Course extends Service
         }
     }
 
-    protected function saveCategories($course, $categoryIds)
+    protected function saveCategories(CourseModel $course, $categoryIds)
     {
         $courseRepo = new CourseRepo();
 
@@ -391,7 +376,7 @@ class Course extends Service
         }
     }
 
-    protected function saveRelatedCourses($course, $courseIds)
+    protected function saveRelatedCourses(CourseModel $course, $courseIds)
     {
         $courseRepo = new CourseRepo();
 
@@ -452,39 +437,17 @@ class Course extends Service
         }
     }
 
-    protected function getCategoryCourseIds($categoryIds)
-    {
-        if (empty($categoryIds)) return [];
-
-        $courseCategoryRepo = new CourseCategoryRepo();
-
-        $categoryIds = explode(',', $categoryIds);
-
-        $relations = $courseCategoryRepo->findByCategoryIds($categoryIds);
-
-        $result = [];
-
-        if ($relations->count() > 0) {
-            foreach ($relations as $relation) {
-                $result[] = $relation->course_id;
-            }
-        }
-
-        return $result;
-    }
-
     protected function handleCourses($pager)
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new CourseListTransformer();
+            $builder = new CourseListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleCourses($pipeA);
-            $pipeC = $transformer->handleCategories($pipeB);
-            $pipeD = $transformer->arrayToObject($pipeC);
+            $pipeB = $builder->handleCategories($pipeA);
+            $pipeC = $builder->arrayToObject($pipeB);
 
-            $pager->items = $pipeD;
+            $pager->items = $pipeC;
         }
 
         return $pager;
diff --git a/app/Http/Admin/Services/CourseStudent.php b/app/Http/Admin/Services/CourseStudent.php
index 84c7160e..498689b0 100644
--- a/app/Http/Admin/Services/CourseStudent.php
+++ b/app/Http/Admin/Services/CourseStudent.php
@@ -2,14 +2,14 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Builders\CourseUserList as CourseUserListBuilder;
+use App\Builders\LearningList as LearningListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Models\CourseUser as CourseUserModel;
 use App\Repos\Course as CourseRepo;
 use App\Repos\CourseUser as CourseUserRepo;
 use App\Repos\Learning as LearningRepo;
 use App\Repos\User as UserRepo;
-use App\Transformers\CourseUserList as CourseUserListTransformer;
-use App\Transformers\LearningList as LearningListTransformer;
 use App\Validators\CourseUser as CourseUserValidator;
 
 class CourseStudent extends Service
@@ -94,7 +94,7 @@ class CourseStudent extends Service
 
         $courseUser->create($data);
 
-        $this->updateStudentCount($data['course_id']);
+        $this->updateUserCount($data['course_id']);
 
         return $courseUser;
     }
@@ -122,7 +122,7 @@ class CourseStudent extends Service
         return $courseStudent;
     }
 
-    protected function updateStudentCount($courseId)
+    protected function updateUserCount($courseId)
     {
         $courseRepo = new CourseRepo();
 
@@ -130,7 +130,7 @@ class CourseStudent extends Service
 
         $updater = new CourseStatsUpdater();
 
-        $updater->updateStudentCount($course);
+        $updater->updateUserCount($course);
     }
 
     protected function findOrFail($courseId, $userId)
@@ -146,12 +146,12 @@ class CourseStudent extends Service
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new CourseUserListTransformer();
+            $builder = new CourseUserListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleCourses($pipeA);
-            $pipeC = $transformer->handleUsers($pipeB);
-            $pipeD = $transformer->arrayToObject($pipeC);
+            $pipeB = $builder->handleCourses($pipeA);
+            $pipeC = $builder->handleUsers($pipeB);
+            $pipeD = $builder->arrayToObject($pipeC);
 
             $pager->items = $pipeD;
         }
@@ -163,13 +163,13 @@ class CourseStudent extends Service
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new LearningListTransformer();
+            $builder = new LearningListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleCourses($pipeA);
-            $pipeC = $transformer->handleChapters($pipeB);
-            $pipeD = $transformer->handleUsers($pipeC);
-            $pipeE = $transformer->arrayToObject($pipeD);
+            $pipeB = $builder->handleCourses($pipeA);
+            $pipeC = $builder->handleChapters($pipeB);
+            $pipeD = $builder->handleUsers($pipeC);
+            $pipeE = $builder->arrayToObject($pipeD);
 
             $pager->items = $pipeE;
         }
diff --git a/app/Http/Admin/Services/Help.php b/app/Http/Admin/Services/Help.php
new file mode 100644
index 00000000..3990fbcf
--- /dev/null
+++ b/app/Http/Admin/Services/Help.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace App\Http\Admin\Services;
+
+use App\Models\Help as HelpModel;
+use App\Repos\Help as HelpRepo;
+use App\Validators\Help as HelpValidator;
+
+class Help extends Service
+{
+
+    public function getHelps()
+    {
+        $deleted = $this->request->getQuery('deleted', 'int', 0);
+
+        $helpRepo = new HelpRepo();
+
+        $helps = $helpRepo->findAll([
+            'deleted' => $deleted,
+        ]);
+
+        return $helps;
+    }
+
+    public function getHelp($id)
+    {
+        $help = $this->findOrFail($id);
+
+        return $help;
+    }
+
+    public function createHelp()
+    {
+        $post = $this->request->getPost();
+
+        $validator = new HelpValidator();
+
+        $data = [];
+
+        $data['title'] = $validator->checkTitle($post['title']);
+        $data['content'] = $validator->checkContent($post['content']);
+        $data['priority'] = $validator->checkPriority($post['priority']);
+        $data['published'] = $validator->checkPublishStatus($post['published']);
+
+        $help = new HelpModel();
+
+        $help->create($data);
+
+        return $help;
+    }
+
+    public function updateHelp($id)
+    {
+        $help = $this->findOrFail($id);
+
+        $post = $this->request->getPost();
+
+        $validator = new HelpValidator();
+
+        $data = [];
+
+        if (isset($post['title'])) {
+            $data['title'] = $validator->checkTitle($post['title']);
+        }
+
+        if (isset($post['content'])) {
+            $data['content'] = $validator->checkContent($post['content']);
+        }
+
+        if (isset($post['priority'])) {
+            $data['priority'] = $validator->checkPriority($post['priority']);
+        }
+
+        if (isset($post['published'])) {
+            $data['published'] = $validator->checkPublishStatus($post['published']);
+        }
+
+        $help->update($data);
+
+        return $help;
+    }
+
+    public function deleteHelp($id)
+    {
+        $help = $this->findOrFail($id);
+
+        $help->deleted = 1;
+
+        $help->update();
+
+        return $help;
+    }
+
+    public function restoreHelp($id)
+    {
+        $help = $this->findOrFail($id);
+
+        $help->deleted = 0;
+
+        $help->update();
+
+        return $help;
+    }
+
+    protected function findOrFail($id)
+    {
+        $validator = new HelpValidator();
+
+        $result = $validator->checkHelp($id);
+
+        return $result;
+    }
+
+}
diff --git a/app/Http/Admin/Services/Index.php b/app/Http/Admin/Services/Index.php
new file mode 100644
index 00000000..c8e18709
--- /dev/null
+++ b/app/Http/Admin/Services/Index.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Http\Admin\Services;
+
+class Index extends Service
+{
+
+    public function getTopMenus()
+    {
+        $authMenu = new AuthMenu();
+
+        $topMenus = $authMenu->getTopMenus();
+
+        return kg_array_object($topMenus);
+    }
+
+    public function getLeftMenus()
+    {
+        $authMenu = new AuthMenu();
+
+        $leftMenus = $authMenu->getLeftMenus();
+
+        return kg_array_object($leftMenus);
+    }
+
+}
diff --git a/app/Http/Admin/Services/Nav.php b/app/Http/Admin/Services/Nav.php
index 5d3c16d8..9e278681 100644
--- a/app/Http/Admin/Services/Nav.php
+++ b/app/Http/Admin/Services/Nav.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Caches\NavList as NavListCache;
 use App\Models\Nav as NavModel;
 use App\Repos\Nav as NavRepo;
 use App\Validators\Nav as NavValidator;
@@ -95,6 +96,8 @@ class Nav extends Service
 
         $nav->update();
 
+        $this->updateNavStats($nav);
+
         return $nav;
     }
 
@@ -130,10 +133,19 @@ class Nav extends Service
 
         if (isset($post['published'])) {
             $data['published'] = $validator->checkPublishStatus($post['published']);
+            if ($nav->parent_id == 0) {
+                if ($nav->published == 0 && $post['published'] == 1) {
+                    $this->enableChildNavs($nav->id);
+                } elseif ($nav->published == 1 && $post['published'] == 0) {
+                    $this->disableChildNavs($nav->id);
+                }
+            }
         }
 
         $nav->update($data);
 
+        $this->updateNavStats($nav);
+
         return $nav;
     }
 
@@ -141,14 +153,16 @@ class Nav extends Service
     {
         $nav = $this->findOrFail($id);
 
-        if ($nav->deleted == 1) {
-            return false;
-        }
+        $validator = new NavValidator();
+
+        $validator->checkDeleteAbility($nav);
 
         $nav->deleted = 1;
 
         $nav->update();
 
+        $this->updateNavStats($nav);
+
         return $nav;
     }
 
@@ -156,17 +170,63 @@ class Nav extends Service
     {
         $nav = $this->findOrFail($id);
 
-        if ($nav->deleted == 0) {
-            return false;
-        }
-
         $nav->deleted = 0;
 
         $nav->update();
 
+        $this->updateNavStats($nav);
+
         return $nav;
     }
 
+    protected function updateNavStats(NavModel $nav)
+    {
+        $navRepo = new NavRepo();
+
+        if ($nav->parent_id > 0) {
+            $nav = $navRepo->findById($nav->parent_id);
+        }
+
+        $childCount = $navRepo->countChildNavs($nav->id);
+        $nav->child_count = $childCount;
+        $nav->update();
+
+        $cache = new NavListCache();
+        $cache->rebuild();
+    }
+
+    protected function enableChildNavs($parentId)
+    {
+        $navRepo = new NavRepo();
+
+        $navs = $navRepo->findAll(['parent_id' => $parentId]);
+
+        if ($navs->count() == 0) {
+            return;
+        }
+
+        foreach ($navs as $nav) {
+            $nav->published = 1;
+            $nav->update();
+        }
+    }
+
+    protected function disableChildNavs($parentId)
+    {
+        $navRepo = new NavRepo();
+
+        $navs = $navRepo->findAll(['parent_id' => $parentId]);
+
+        if ($navs->count() == 0) {
+            return;
+        }
+
+        foreach ($navs as $nav) {
+            $nav->published = 0;
+            $nav->update();
+        }
+    }
+
     protected function findOrFail($id)
     {
         $validator = new NavValidator();
diff --git a/app/Http/Admin/Services/Order.php b/app/Http/Admin/Services/Order.php
index 78e065eb..693e6b8d 100644
--- a/app/Http/Admin/Services/Order.php
+++ b/app/Http/Admin/Services/Order.php
@@ -2,11 +2,12 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Builders\OrderList as OrderListBuilder;
 use App\Library\Paginator\Query as PaginateQuery;
 use App\Models\Order as OrderModel;
+use App\Repos\Account as AccountRepo;
 use App\Repos\Order as OrderRepo;
 use App\Repos\User as UserRepo;
-use App\Transformers\OrderList as OrderListTransformer;
 use App\Validators\Order as OrderValidator;
 
 class Order extends Service
@@ -55,6 +56,15 @@ class Order extends Service
         return $user;
     }
 
+    public function getAccount($userId)
+    {
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findById($userId);
+
+        return $account;
+    }
+
     public function getOrder($id)
     {
         $order = $this->findOrFail($id);
@@ -87,12 +97,12 @@ class Order extends Service
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new OrderListTransformer();
+            $builder = new OrderListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleItems($pipeA);
-            $pipeC = $transformer->handleUsers($pipeB);
-            $pipeD = $transformer->arrayToObject($pipeC);
+            $pipeB = $builder->handleItems($pipeA);
+            $pipeC = $builder->handleUsers($pipeB);
+            $pipeD = $builder->arrayToObject($pipeC);
 
             $pager->items = $pipeD;
         }
diff --git a/app/Http/Admin/Services/Package.php b/app/Http/Admin/Services/Package.php
index f9a05388..c9abd3a5 100644
--- a/app/Http/Admin/Services/Package.php
+++ b/app/Http/Admin/Services/Package.php
@@ -102,10 +102,6 @@ class Package extends Service
     {
         $package = $this->findOrFail($id);
 
-        if ($package->deleted == 1) {
-            return false;
-        }
-
         $package->deleted = 1;
 
         $package->update();
@@ -117,10 +113,6 @@ class Package extends Service
     {
         $package = $this->findOrFail($id);
 
-        if ($package->deleted == 0) {
-            return false;
-        }
-
         $package->deleted = 0;
 
         $package->update();
@@ -183,7 +175,7 @@ class Package extends Service
         return $list;
     }
 
-    protected function saveCourses($package, $courseIds)
+    protected function saveCourses(PackageModel $package, $courseIds)
     {
         $packageRepo = new PackageRepo();
 
@@ -223,7 +215,7 @@ class Package extends Service
         }
     }
 
-    protected function updateCourseCount($package)
+    protected function updateCourseCount(PackageModel $package)
     {
         $packageRepo = new PackageRepo();
 
diff --git a/app/Http/Admin/Services/Page.php b/app/Http/Admin/Services/Page.php
index 023a863c..2fc8deae 100644
--- a/app/Http/Admin/Services/Page.php
+++ b/app/Http/Admin/Services/Page.php
@@ -86,10 +86,6 @@ class Page extends Service
     {
         $page = $this->findOrFail($id);
 
-        if ($page->deleted == 1) {
-            return false;
-        }
-
         $page->deleted = 1;
 
         $page->update();
@@ -101,10 +97,6 @@ class Page extends Service
     {
         $page = $this->findOrFail($id);
 
-        if ($page->deleted == 0) {
-            return false;
-        }
-
         $page->deleted = 0;
 
         $page->update();
diff --git a/app/Http/Admin/Services/PaymentTest.php b/app/Http/Admin/Services/PaymentTest.php
index 388ef269..958f94f4 100644
--- a/app/Http/Admin/Services/PaymentTest.php
+++ b/app/Http/Admin/Services/PaymentTest.php
@@ -16,7 +16,7 @@ abstract class PaymentTest extends Service
      */
     public function createTestOrder()
     {
-        $authUser = $this->getDI()->get('auth')->getAuthUser();
+        $authUser = $this->getDI()->get('auth')->getAuthInfo();
 
         $order = new OrderModel();
 
diff --git a/app/Http/Admin/Services/Refund.php b/app/Http/Admin/Services/Refund.php
index a4af36f5..d5da8657 100644
--- a/app/Http/Admin/Services/Refund.php
+++ b/app/Http/Admin/Services/Refund.php
@@ -2,13 +2,14 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Builders\RefundList as RefundListBuilder;
 use App\Library\Paginator\Query as PaginateQuery;
 use App\Models\Task as TaskModel;
+use App\Repos\Account as AccountRepo;
 use App\Repos\Order as OrderRepo;
 use App\Repos\Refund as RefundRepo;
 use App\Repos\Trade as TradeRepo;
 use App\Repos\User as UserRepo;
-use App\Transformers\RefundList as RefundListTransformer;
 use App\Validators\Refund as RefundValidator;
 
 class Refund extends Service
@@ -64,6 +65,15 @@ class Refund extends Service
         return $user;
     }
 
+    public function getAccount($userId)
+    {
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findById($userId);
+
+        return $account;
+    }
+
     public function reviewRefund($id)
     {
         $refund = $this->findOrFail($id);
@@ -107,11 +117,11 @@ class Refund extends Service
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new RefundListTransformer();
+            $builder = new RefundListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleUsers($pipeA);
-            $pipeC = $transformer->arrayToObject($pipeB);
+            $pipeB = $builder->handleUsers($pipeA);
+            $pipeC = $builder->arrayToObject($pipeB);
 
             $pager->items = $pipeC;
         }
diff --git a/app/Http/Admin/Services/Review.php b/app/Http/Admin/Services/Review.php
index 88594afe..7c5ade21 100644
--- a/app/Http/Admin/Services/Review.php
+++ b/app/Http/Admin/Services/Review.php
@@ -2,10 +2,10 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Builders\ReviewList as ReviewListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Repos\Course as CourseRepo;
 use App\Repos\Review as ReviewRepo;
-use App\Transformers\ReviewList as ReviewListTransformer;
 use App\Validators\Review as ReviewValidator;
 
 class Review extends Service
@@ -77,8 +77,6 @@ class Review extends Service
     {
         $review = $this->findOrFail($id);
 
-        if ($review->deleted == 1) return false;
-
         $review->deleted = 1;
 
         $review->update();
@@ -96,8 +94,6 @@ class Review extends Service
     {
         $review = $this->findOrFail($id);
 
-        if ($review->deleted == 0) return false;
-
         $review->deleted = 0;
 
         $review->update();
@@ -124,12 +120,12 @@ class Review extends Service
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new ReviewListTransformer();
+            $builder = new ReviewListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleCourses($pipeA);
-            $pipeC = $transformer->handleUsers($pipeB);
-            $pipeD = $transformer->arrayToObject($pipeC);
+            $pipeB = $builder->handleCourses($pipeA);
+            $pipeC = $builder->handleUsers($pipeB);
+            $pipeD = $builder->arrayToObject($pipeC);
 
             $pager->items = $pipeD;
         }
diff --git a/app/Http/Admin/Services/Role.php b/app/Http/Admin/Services/Role.php
index ced78b5a..6e25f0a4 100644
--- a/app/Http/Admin/Services/Role.php
+++ b/app/Http/Admin/Services/Role.php
@@ -9,6 +9,15 @@ use App\Validators\Role as RoleValidator;
 class Role extends Service
 {
 
+    public function getAuthNodes()
+    {
+        $authNode = new AuthNode();
+
+        $nodes = $authNode->getNodes();
+
+        return kg_array_object($nodes);
+    }
+
     public function getRoles()
     {
         $deleted = $this->request->getQuery('deleted', 'int', 0);
@@ -70,10 +79,6 @@ class Role extends Service
     {
         $role = $this->findOrFail($id);
 
-        if ($role->deleted == 1) {
-            return false;
-        }
-
         if ($role->type == RoleModel::TYPE_SYSTEM) {
             return false;
         }
@@ -89,10 +94,6 @@ class Role extends Service
     {
         $role = $this->findOrFail($id);
 
-        if ($role->deleted == 0) {
-            return false;
-        }
-
         $role->deleted = 0;
 
         $role->update();
diff --git a/app/Http/Admin/Services/Session.php b/app/Http/Admin/Services/Session.php
index cb8e5083..1bf402ae 100644
--- a/app/Http/Admin/Services/Session.php
+++ b/app/Http/Admin/Services/Session.php
@@ -2,13 +2,14 @@
 
 namespace App\Http\Admin\Services;
 
-use App\Validators\User as UserValidator;
+use App\Validators\Account as AccountValidator;
+use App\Validators\Security as SecurityValidator;
 
 class Session extends Service
 {
 
     /**
-     * @var $auth \App\Http\Admin\Services\AuthUser
+     * @var \App\Http\Admin\Services\AuthUser
      */
     protected $auth;
 
@@ -21,31 +22,29 @@ class Session extends Service
     {
         $post = $this->request->getPost();
 
-        $validator = new UserValidator();
+        $accountValidator = new AccountValidator();
 
-        $user = $validator->checkLoginAccount($post['account']);
-
-        $validator->checkLoginPassword($user, $post['password']);
-
-        $validator->checkAdminLogin($user);
+        $user = $accountValidator->checkAdminLogin($post['account'], $post['password']);
 
         $config = new Config();
 
         $captcha = $config->getSectionConfig('captcha');
 
+        $securityValidator = new SecurityValidator();
+
         /**
          * 验证码是一次性的，放到最后检查，减少第三方调用
          */
         if ($captcha->enabled) {
-            $validator->checkCaptchaCode($post['ticket'], $post['rand']);
+            $securityValidator->checkCaptchaCode($post['ticket'], $post['rand']);
         }
 
-        $this->auth->setAuthUser($user);
+        $this->auth->setAuthInfo($user);
     }
 
     public function logout()
     {
-        $this->auth->removeAuthUser();
+        $this->auth->removeAuthInfo();
     }
 
 }
diff --git a/app/Http/Admin/Services/Slide.php b/app/Http/Admin/Services/Slide.php
index 5922209d..df4b0d63 100644
--- a/app/Http/Admin/Services/Slide.php
+++ b/app/Http/Admin/Services/Slide.php
@@ -126,8 +126,6 @@ class Slide extends Service
     {
         $slide = $this->findOrFail($id);
 
-        if ($slide->deleted == 1) return false;
-
         $slide->deleted = 1;
 
         $slide->update();
@@ -139,8 +137,6 @@ class Slide extends Service
     {
         $slide = $this->findOrFail($id);
 
-        if ($slide->deleted == 0) return false;
-
         $slide->deleted = 0;
 
         $slide->update();
diff --git a/app/Http/Admin/Services/Topic.php b/app/Http/Admin/Services/Topic.php
new file mode 100644
index 00000000..b9457050
--- /dev/null
+++ b/app/Http/Admin/Services/Topic.php
@@ -0,0 +1,195 @@
+<?php
+
+namespace App\Http\Admin\Services;
+
+use App\Library\Paginator\Query as PagerQuery;
+use App\Models\CourseTopic as CourseTopicModel;
+use App\Models\Topic as TopicModel;
+use App\Repos\CourseTopic as CourseTopicRepo;
+use App\Repos\Topic as TopicRepo;
+use App\Validators\Topic as TopicValidator;
+
+class Topic extends Service
+{
+
+    public function getTopics()
+    {
+        $pagerQuery = new PagerQuery();
+
+        $params = $pagerQuery->getParams();
+
+        $params['deleted'] = $params['deleted'] ?? 0;
+
+        $sort = $pagerQuery->getSort();
+        $page = $pagerQuery->getPage();
+        $limit = $pagerQuery->getLimit();
+
+        $pageRepo = new TopicRepo();
+
+        $pager = $pageRepo->paginate($params, $sort, $page, $limit);
+
+        return $pager;
+    }
+
+    public function getTopic($id)
+    {
+        $topic = $this->findOrFail($id);
+
+        return $topic;
+    }
+
+    public function createTopic()
+    {
+        $post = $this->request->getPost();
+
+        $validator = new TopicValidator();
+
+        $data = [];
+
+        $data['title'] = $validator->checkTitle($post['title']);
+        $data['summary'] = $validator->checkSummary($post['summary']);
+
+        $topic = new TopicModel();
+
+        $topic->create($data);
+
+        return $topic;
+    }
+
+    public function updateTopic($id)
+    {
+        $topic = $this->findOrFail($id);
+
+        $post = $this->request->getPost();
+
+        $validator = new TopicValidator();
+
+        $data = [];
+
+        if (isset($post['name'])) {
+            $data['name'] = $validator->checkName($post['name']);
+        }
+
+        if (isset($post['summary'])) {
+            $data['summary'] = $validator->checkSummary($post['summary']);
+        }
+
+        if (isset($post['published'])) {
+            $data['published'] = $validator->checkPublishStatus($post['published']);
+        }
+
+        if (isset($post['xm_course_ids'])) {
+            $this->saveCourses($topic, $post['xm_course_ids']);
+        }
+
+        $topic->update($data);
+
+        $this->updateCourseCount($topic);
+
+        return $topic;
+    }
+
+    public function deleteTopic($id)
+    {
+        $topic = $this->findOrFail($id);
+
+        $topic->deleted = 1;
+
+        $topic->update();
+
+        return $topic;
+    }
+
+    public function restoreTopic($id)
+    {
+        $topic = $this->findOrFail($id);
+
+        $topic->deleted = 0;
+
+        $topic->update();
+
+        return $topic;
+    }
+
+    public function getXmCourses($id)
+    {
+        $topicRepo = new TopicRepo();
+
+        $courses = $topicRepo->findCourses($id);
+
+        $list = [];
+
+        if ($courses->count() > 0) {
+            foreach ($courses as $course) {
+                $list[] = [
+                    'id' => $course->id,
+                    'title' => $course->title,
+                    'selected' => true,
+                ];
+            }
+        }
+
+        return $list;
+    }
+
+    protected function saveCourses(TopicModel $topic, $courseIds)
+    {
+        $topicRepo = new TopicRepo();
+
+        $courses = $topicRepo->findCourses($topic->id);
+
+        $originCourseIds = [];
+
+        if ($courses->count() > 0) {
+            foreach ($courses as $course) {
+                $originCourseIds[] = $course->id;
+            }
+        }
+
+        $newCourseIds = explode(',', $courseIds);
+        $addedCourseIds = array_diff($newCourseIds, $originCourseIds);
+
+        if ($addedCourseIds) {
+            foreach ($addedCourseIds as $courseId) {
+                $courseTopic = new CourseTopicModel();
+                $courseTopic->create([
+                    'course_id' => $courseId,
+                    'topic_id' => $topic->id,
+                ]);
+            }
+        }
+
+        $deletedCourseIds = array_diff($originCourseIds, $newCourseIds);
+
+        if ($deletedCourseIds) {
+            $courseTopicRepo = new CourseTopicRepo();
+            foreach ($deletedCourseIds as $courseId) {
+                $courseTopic = $courseTopicRepo->findCourseTopic($courseId, $topic->id);
+                if ($courseTopic) {
+                    $courseTopic->delete();
+                }
+            }
+        }
+    }
+
+    protected function updateCourseCount(TopicModel $topic)
+    {
+        $topicRepo = new TopicRepo();
+
+        $courseCount = $topicRepo->countCourses($topic->id);
+
+        $topic->course_count = $courseCount;
+
+        $topic->update();
+    }
+
+    protected function findOrFail($id)
+    {
+        $validator = new TopicValidator();
+
+        $result = $validator->checkTopic($id);
+
+        return $result;
+    }
+
+}
diff --git a/app/Http/Admin/Services/Trade.php b/app/Http/Admin/Services/Trade.php
index 1b88d152..6f711e63 100644
--- a/app/Http/Admin/Services/Trade.php
+++ b/app/Http/Admin/Services/Trade.php
@@ -2,13 +2,14 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Builders\TradeList as TradeListBuilder;
 use App\Library\Paginator\Query as PaginateQuery;
 use App\Models\Refund as RefundModel;
 use App\Models\Trade as TradeModel;
+use App\Repos\Account as AccountRepo;
 use App\Repos\Order as OrderRepo;
 use App\Repos\Trade as TradeRepo;
 use App\Repos\User as UserRepo;
-use App\Transformers\TradeList as TradeListTransformer;
 use App\Validators\Trade as TradeValidator;
 
 class Trade extends Service
@@ -66,6 +67,15 @@ class Trade extends Service
         return $user;
     }
 
+    public function getAccount($userId)
+    {
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findById($userId);
+
+        return $account;
+    }
+
     public function closeTrade($id)
     {
         $trade = $this->findOrFail($id);
@@ -115,11 +125,11 @@ class Trade extends Service
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new TradeListTransformer();
+            $builder = new TradeListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleUsers($pipeA);
-            $pipeC = $transformer->arrayToObject($pipeB);
+            $pipeB = $builder->handleUsers($pipeA);
+            $pipeC = $builder->arrayToObject($pipeB);
 
             $pager->items = $pipeC;
         }
diff --git a/app/Http/Admin/Services/User.php b/app/Http/Admin/Services/User.php
index d11ca290..3c13bbf7 100644
--- a/app/Http/Admin/Services/User.php
+++ b/app/Http/Admin/Services/User.php
@@ -2,12 +2,12 @@
 
 namespace App\Http\Admin\Services;
 
+use App\Builders\UserList as UserListBuilder;
 use App\Library\Paginator\Query as PaginateQuery;
 use App\Library\Util\Password as PasswordUtil;
 use App\Models\User as UserModel;
 use App\Repos\Role as RoleRepo;
 use App\Repos\User as UserRepo;
-use App\Transformers\UserList as UserListTransformer;
 use App\Validators\User as UserValidator;
 
 class User extends Service
@@ -109,9 +109,9 @@ class User extends Service
             $data['locked'] = $validator->checkLockStatus($post['locked']);
         }
 
-        if (isset($post['locked_expiry'])) {
-            $data['locked_expiry'] = $validator->checkLockExpiry($post['locked_expiry']);
-            if ($data['locked_expiry'] < time()) {
+        if (isset($post['lock_expiry'])) {
+            $data['lock_expiry'] = $validator->checkLockExpiry($post['lock_expiry']);
+            if ($data['lock_expiry'] < time()) {
                 $data['locked'] = 0;
             }
         }
@@ -142,10 +142,6 @@ class User extends Service
 
     protected function updateAdminUserCount($roleId)
     {
-        if (!$roleId) {
-            return false;
-        }
-
         $roleRepo = new RoleRepo();
 
         $role = $roleRepo->findById($roleId);
@@ -165,12 +161,12 @@ class User extends Service
     {
         if ($pager->total_items > 0) {
 
-            $transformer = new UserListTransformer();
+            $builder = new UserListBuilder();
 
             $pipeA = $pager->items->toArray();
-            $pipeB = $transformer->handleAdminRoles($pipeA);
-            $pipeC = $transformer->handleEduRoles($pipeB);
-            $pipeD = $transformer->arrayToObject($pipeC);
+            $pipeB = $builder->handleAdminRoles($pipeA);
+            $pipeC = $builder->handleEduRoles($pipeB);
+            $pipeD = $builder->arrayToObject($pipeC);
 
             $pager->items = $pipeD;
         }
diff --git a/app/Http/Admin/Views/audit/list.volt b/app/Http/Admin/Views/audit/list.volt
index ba2ae912..f4e8277b 100644
--- a/app/Http/Admin/Views/audit/list.volt
+++ b/app/Http/Admin/Views/audit/list.volt
@@ -37,7 +37,7 @@
         <tr>
             <td>{{ item.user_id }}</td>
             <td>{{ item.user_name }}</td>
-            <td><a class="kg-ip2region" href="javascript:" title="查看位置" ip="{{ item.user_ip }}">{{ item.user_ip }}</a></td>
+            <td><a class="kg-ip2region" href="javascript:;" title="查看位置" ip="{{ item.user_ip }}">{{ item.user_ip }}</a></td>
             <td>{{ item.req_route }}</td>
             <td>{{ item.req_path }}</td>
             <td>{{ date('Y-m-d H:i:s',item.created_at) }}</td>
diff --git a/app/Http/Admin/Views/category/list.volt b/app/Http/Admin/Views/category/list.volt
index 7685a3ad..deb1d702 100644
--- a/app/Http/Admin/Views/category/list.volt
+++ b/app/Http/Admin/Views/category/list.volt
@@ -25,6 +25,7 @@
         <col>
         <col>
         <col>
+        <col>
         <col width="12%">
     </colgroup>
     <thead>
@@ -32,6 +33,7 @@
         <th>编号</th>
         <th>名称</th>
         <th>层级</th>
+        <th>节点数</th>
         <th>课程数</th>
         <th>排序</th>
         <th>发布</th>
@@ -48,6 +50,7 @@
                 <td>{{ item.name }}</td>
             {% endif %}
             <td><span class="layui-badge layui-bg-gray">{{ item.level }}</span></td>
+            <td><span class="layui-badge layui-bg-gray">{{ item.child_count }}</span></td>
             <td><span class="layui-badge layui-bg-gray">{{ item.course_count }}</span></td>
             <td><input class="layui-input kg-priority-input" type="text" name="priority" value="{{ item.priority }}" category-id="{{ item.id }}" title="数值越小排序越靠前"></td>
             <td><input type="checkbox" name="published" value="1" lay-skin="switch" lay-text="是|否" lay-filter="switch-published" category-id="{{ item.id }}" {% if item.published == 1 %}checked{% endif %}></td>
diff --git a/app/Http/Admin/Views/chapter/add_lesson.volt b/app/Http/Admin/Views/chapter/add_lesson.volt
index d2b9e806..c8eb6616 100644
--- a/app/Http/Admin/Views/chapter/add_lesson.volt
+++ b/app/Http/Admin/Views/chapter/add_lesson.volt
@@ -9,7 +9,7 @@
         <div class="layui-input-block">
             <select name="parent_id" lay-verify="required">
                 <option value="">选择章节</option>
-                {% for chapter in course_chapters %}
+                {% for chapter in chapters %}
                     <option value="{{ chapter.id }}" {% if parent_id == chapter.id %}selected{% endif %}>{{ chapter.title }}</option>
                 {% endfor %}
             </select>
diff --git a/app/Http/Admin/Views/chapter/edit_lesson.volt b/app/Http/Admin/Views/chapter/edit_lesson.volt
index cc6044c4..1c1e1448 100644
--- a/app/Http/Admin/Views/chapter/edit_lesson.volt
+++ b/app/Http/Admin/Views/chapter/edit_lesson.volt
@@ -3,7 +3,7 @@
         点播信息
     {% elseif model == 'live' %}
         直播信息
-    {% elseif model == 'article' %}
+    {% elseif model == 'read' %}
         文章信息
     {% endif %}
 {%- endmacro %}
@@ -28,8 +28,8 @@
                 {{ partial('chapter/edit_lesson_vod') }}
             {% elseif course.model == 'live' %}
                 {{ partial('chapter/edit_lesson_live') }}
-            {% elseif course.model == 'article' %}
-                {{ partial('chapter/edit_lesson_article') }}
+            {% elseif course.model == 'read' %}
+                {{ partial('chapter/edit_lesson_read') }}
             {% endif %}
         </div>
     </div>
diff --git a/app/Http/Admin/Views/chapter/edit_lesson_article.volt b/app/Http/Admin/Views/chapter/edit_lesson_read.volt
similarity index 89%
rename from app/Http/Admin/Views/chapter/edit_lesson_article.volt
rename to app/Http/Admin/Views/chapter/edit_lesson_read.volt
index 192a170e..74cf5122 100644
--- a/app/Http/Admin/Views/chapter/edit_lesson_article.volt
+++ b/app/Http/Admin/Views/chapter/edit_lesson_read.volt
@@ -1,7 +1,7 @@
 <form class="layui-form kg-form" method="POST" action="{{ url({'for':'admin.chapter.content','id':chapter.id}) }}">
 
     <div class="layui-form-item">
-        <textarea name="content" class="layui-hide" id="kg-layedit">{{ article.content }}</textarea>
+        <textarea name="content" class="layui-hide" id="kg-layedit">{{ read.content }}</textarea>
     </div>
 
     <div class="layui-form-item">
diff --git a/app/Http/Admin/Views/chapter/edit_lesson_vod.volt b/app/Http/Admin/Views/chapter/edit_lesson_vod.volt
index 146c5050..6c871074 100644
--- a/app/Http/Admin/Views/chapter/edit_lesson_vod.volt
+++ b/app/Http/Admin/Views/chapter/edit_lesson_vod.volt
@@ -1,4 +1,4 @@
-{% if translated_files %}
+{% if vod_files %}
     <fieldset class="layui-elem-field layui-field-title">
         <legend>视频信息</legend>
     </fieldset>
@@ -11,16 +11,16 @@
             <th>大小</th>
             <th width="16%">操作</th>
         </tr>
-        {% for item in translated_files %}
+        {% for item in vod_files %}
             <tr>
                 <td>{{ item.format }}</td>
-                <td>{{ item.duration }}</td>
+                <td>{{ item.duration|play_duration }}</td>
                 <td>{{ item.width }} x {{ item.height }}</td>
-                <td>{{ item.bit_rate }}kbps</td>
+                <td>{{ item.rate }}kbps</td>
                 <td>{{ item.size }}M</td>
                 <td>
-                    <span class="layui-btn layui-btn-sm kg-preview" course-id="{{ chapter.course_id }}" chapter-id="{{ chapter.id }}" play-url="{{ item.play_url|url_encode }}">预览</span>
-                    <span class="layui-btn layui-btn-sm kg-copy" data-clipboard-text="{{ item.play_url }}">复制</span>
+                    <span class="layui-btn layui-btn-sm kg-preview" course-id="{{ chapter.course_id }}" chapter-id="{{ chapter.id }}" play-url="{{ item.url|url_encode }}">预览</span>
+                    <span class="layui-btn layui-btn-sm kg-copy" data-clipboard-text="{{ item.url }}">复制</span>
                 </td>
             </tr>
         {% endfor %}
diff --git a/app/Http/Admin/Views/chapter/lessons.volt b/app/Http/Admin/Views/chapter/lessons.volt
index 3f7726d5..1bc31e18 100644
--- a/app/Http/Admin/Views/chapter/lessons.volt
+++ b/app/Http/Admin/Views/chapter/lessons.volt
@@ -23,8 +23,8 @@
     {{ partial('chapter/lessons_vod') }}
 {% elseif course.model == 'live' %}
     {{ partial('chapter/lessons_live') }}
-{% elseif course.model == 'article' %}
-    {{ partial('chapter/lessons_article') }}
+{% elseif course.model == 'read' %}
+    {{ partial('chapter/lessons_read') }}
 {% endif %}
 
 <script>
diff --git a/app/Http/Admin/Views/chapter/lessons_live.volt b/app/Http/Admin/Views/chapter/lessons_live.volt
index df4f078b..b6a1f90c 100644
--- a/app/Http/Admin/Views/chapter/lessons_live.volt
+++ b/app/Http/Admin/Views/chapter/lessons_live.volt
@@ -28,9 +28,9 @@
                 <span class="layui-badge layui-bg-green">课</span>
             </td>
             <td>
-                {% if item.attrs.start_time > 0 %}
-                    <p>开始：{{ date('Y-m-d H:i',item.attrs.start_time) }}</p>
-                    <p>结束：{{ date('Y-m-d H:i',item.attrs.end_time) }}</p>
+                {% if item.attrs['start_time'] > 0 %}
+                    <p>开始：{{ date('Y-m-d H:i',item.attrs['start_time']) }}</p>
+                    <p>结束：{{ date('Y-m-d H:i',item.attrs['end_time']) }}</p>
                 {% else %}
                     N/A
                 {% endif %}
diff --git a/app/Http/Admin/Views/chapter/lessons_article.volt b/app/Http/Admin/Views/chapter/lessons_read.volt
similarity index 98%
rename from app/Http/Admin/Views/chapter/lessons_article.volt
rename to app/Http/Admin/Views/chapter/lessons_read.volt
index 3828f725..9692ab57 100644
--- a/app/Http/Admin/Views/chapter/lessons_article.volt
+++ b/app/Http/Admin/Views/chapter/lessons_read.volt
@@ -27,7 +27,7 @@
                 <span><a href="{{ url({'for':'admin.chapter.edit','id':item.id}) }}">{{ item.title }}</a></span>
                 <span class="layui-badge layui-bg-green">课</span>
             </td>
-            <td><span class="layui-badge layui-bg-gray">{{ item.attrs.word_count }}</span></td>
+            <td><span class="layui-badge layui-bg-gray">{{ item.attrs['word_count'] }}</span></td>
             <td><input class="layui-input kg-priority-input" type="text" name="priority" value="{{ item.priority }}" chapter-id="{{ item.id }}"></td>
             <td><input type="checkbox" name="free" value="1" lay-skin="switch" lay-text="是|否" lay-filter="switch-free" chapter-id="{{ item.id }}" {% if item.free == 1 %}checked{% endif %}></td>
             <td><input type="checkbox" name="published" value="1" lay-skin="switch" lay-text="是|否" lay-filter="switch-published" chapter-id="{{ item.id }}" {% if item.published == 1 %}checked{% endif %}></td>
diff --git a/app/Http/Admin/Views/chapter/lessons_vod.volt b/app/Http/Admin/Views/chapter/lessons_vod.volt
index 595839dc..d1066163 100644
--- a/app/Http/Admin/Views/chapter/lessons_vod.volt
+++ b/app/Http/Admin/Views/chapter/lessons_vod.volt
@@ -43,8 +43,8 @@
                 <span><a href="{{ url({'for':'admin.chapter.edit','id':item.id}) }}">{{ item.title }}</a></span>
                 <span class="layui-badge layui-bg-green">课</span>
             </td>
-            <td>{{ file_status(item.attrs.file_status) }}</td>
-            <td>{{ item.attrs.duration|play_duration }}</td>
+            <td>{{ file_status(item.attrs['file_status']) }}</td>
+            <td>{{ item.attrs['duration']|play_duration }}</td>
             <td><input class="layui-input kg-priority-input" type="text" name="priority" value="{{ item.priority }}" chapter-id="{{ item.id }}"></td>
             <td><input type="checkbox" name="free" value="1" lay-skin="switch" lay-text="是|否" lay-filter="switch-free" chapter-id="{{ item.id }}" {% if item.free == 1 %}checked{% endif %}></td>
             <td><input type="checkbox" name="published" value="1" lay-skin="switch" lay-text="是|否" lay-filter="switch-published" chapter-id="{{ item.id }}" {% if item.published == 1 %}checked{% endif %}></td>
diff --git a/app/Http/Admin/Views/config/website.volt b/app/Http/Admin/Views/config/site.volt
similarity index 63%
rename from app/Http/Admin/Views/config/website.volt
rename to app/Http/Admin/Views/config/site.volt
index c84e1343..c69c0777 100644
--- a/app/Http/Admin/Views/config/website.volt
+++ b/app/Http/Admin/Views/config/site.volt
@@ -1,49 +1,34 @@
-<form class="layui-form kg-form" method="POST" action="{{ url({'for':'admin.config.website'}) }}">
+<form class="layui-form kg-form" method="POST" action="{{ url({'for':'admin.config.site'}) }}">
 
     <fieldset class="layui-elem-field layui-field-title">
         <legend>站点配置</legend>
     </fieldset>
 
-    <div class="layui-form-item">
-        <label class="layui-form-label">关闭网站</label>
-        <div class="layui-input-block">
-            <input type="radio" name="closed" value="1" title="是" lay-filter="closed" {% if website.closed == "1" %}checked{% endif %}>
-            <input type="radio" name="closed" value="0" title="否" lay-filter="closed" {% if website.closed == "0" %}checked{% endif %}>
-        </div>
-    </div>
-
-    <div id="closed-tips-block" class="layui-form-item" {% if website.closed == 0 %}style="display:none;"{% endif %}>
-        <label class="layui-form-label">关闭提示</label>
-        <div class="layui-input-block">
-            <input class="layui-input" type="text" name="closed_tips" value="{{ website.closed_tips }}">
-        </div>
-    </div>
-
     <div class="layui-form-item">
         <label class="layui-form-label">网站名称</label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="title" value="{{ website.title }}">
+            <input class="layui-input" type="text" name="title" value="{{ site.title }}">
         </div>
     </div>
 
     <div class="layui-form-item">
         <label class="layui-form-label">关键字</label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="keywords" value="{{ website.keywords }}">
+            <input class="layui-input" type="text" name="keywords" value="{{ site.keywords }}">
         </div>
     </div>
 
     <div class="layui-form-item">
         <label class="layui-form-label">网站描述</label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="description" value="{{ website.description }}">
+            <input class="layui-input" type="text" name="description" value="{{ site.description }}">
         </div>
     </div>
 
     <div class="layui-form-item">
         <label class="layui-form-label">版权信息</label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="copyright" value="{{ website.copyright }}">
+            <input class="layui-input" type="text" name="copyright" value="{{ site.copyright }}">
         </div>
     </div>
 
@@ -51,13 +36,13 @@
         <div class="layui-inline">
             <label class="layui-form-label">ICP备案号</label>
             <div class="layui-input-inline">
-                <input class="layui-input" type="text" name="icp_sn" value="{{ website.icp_sn }}">
+                <input class="layui-input" type="text" name="icp_sn" value="{{ site.icp_sn }}">
             </div>
         </div>
         <div class="layui-inline">
             <label class="layui-form-label">备案链接</label>
             <div class="layui-input-inline">
-                <input class="layui-input" type="text" name="icp_link" value="{{ website.icp_link }}">
+                <input class="layui-input" type="text" name="icp_link" value="{{ site.icp_link }}">
             </div>
         </div>
     </div>
@@ -66,13 +51,13 @@
         <div class="layui-inline">
             <label class="layui-form-label">公安备案号</label>
             <div class="layui-input-inline">
-                <input class="layui-input" type="text" name="police_sn" value="{{ website.police_sn }}">
+                <input class="layui-input" type="text" name="police_sn" value="{{ site.police_sn }}">
             </div>
         </div>
         <div class="layui-inline">
             <label class="layui-form-label">备案链接</label>
             <div class="layui-input-inline">
-                <input class="layui-input" type="text" name="police_link" value="{{ website.police_link }}">
+                <input class="layui-input" type="text" name="police_link" value="{{ site.police_link }}">
             </div>
         </div>
     </div>
@@ -80,7 +65,7 @@
     <div class="layui-form-item">
         <label class="layui-form-label">站点统计</label>
         <div class="layui-input-block">
-            <textarea name="analytics" class="layui-textarea" placeholder="使用百度统计，CNZZ，腾讯分析等第三方统计分析站点流量">{{ website.analytics }}</textarea>
+            <textarea name="analytics" class="layui-textarea" placeholder="使用百度统计，CNZZ，腾讯分析等第三方统计分析站点流量">{{ site.analytics }}</textarea>
         </div>
     </div>
 
@@ -92,24 +77,4 @@
         </div>
     </div>
 
-</form>
-
-<script>
-
-    layui.use(['jquery', 'form'], function () {
-
-        var $ = layui.jquery;
-        var form = layui.form;
-
-        form.on('radio(closed)', function (data) {
-            var block = $('#closed-tips-block');
-            if (data.value == 1) {
-                block.show();
-            } else {
-                block.hide();
-            }
-        });
-
-    });
-
-</script>
\ No newline at end of file
+</form>
\ No newline at end of file
diff --git a/app/Http/Admin/Views/course/add.volt b/app/Http/Admin/Views/course/add.volt
index 18283d1e..6510f298 100644
--- a/app/Http/Admin/Views/course/add.volt
+++ b/app/Http/Admin/Views/course/add.volt
@@ -9,7 +9,7 @@
         <div class="layui-input-block">
             <input type="radio" name="model" value="vod" title="点播" lay-filter="model" checked="checked">
             <input type="radio" name="model" value="live" title="直播" lay-filter="model">
-            <input type="radio" name="model" value="article" title="图文" lay-filter="model">
+            <input type="radio" name="model" value="read" title="图文" lay-filter="model">
         </div>
     </div>
 
@@ -44,20 +44,19 @@
         var $ = layui.jquery;
         var form = layui.form;
 
-        var modelTips = [
-            '通过音视频呈现课程内容，内容可视化，有图像有声音，适合大部分场景',
-            '通过直播呈现课程内容，交互性强，适合需要交互反馈、情绪表达的场景',
-            '通过图文呈现课程内容，简单直接，适合撰写文档、书籍、教程的场景'
-        ];
+        var modelTips = {
+            vod: '通过音视频呈现课程内容，内容可视化，有图像有声音，适合大部分场景',
+            live: '通过直播呈现课程内容，交互性强，适合需要交互反馈、情绪表达的场景',
+            read: '通过图文呈现课程内容，简单直接，适合撰写文档、书籍、教程的场景'
+        };
 
         var modelTipsBlock = $('#model-tips');
 
         form.on('radio(model)', function (data) {
-            var index = data.value - 1;
-            modelTipsBlock.html(modelTips[index]);
+            modelTipsBlock.html(modelTips[data.value]);
         });
 
-        modelTipsBlock.html(modelTips[0]);
+        modelTipsBlock.html(modelTips.vod);
 
     });
 
diff --git a/app/Http/Admin/Views/course/list.volt b/app/Http/Admin/Views/course/list.volt
index d5c49514..b8e711a0 100644
--- a/app/Http/Admin/Views/course/list.volt
+++ b/app/Http/Admin/Views/course/list.volt
@@ -5,7 +5,7 @@
         <span class="layui-badge layui-bg-green">点播</span>
     {% elseif value == 'live' %}
         <span class="layui-badge layui-bg-blue">直播</span>
-    {% elseif value == 'article' %}
+    {% elseif value == 'read' %}
         <span class="layui-badge layui-bg-black">图文</span>
     {% endif %}
 {%- endmacro %}
@@ -34,8 +34,7 @@
 
 <table class="kg-table layui-table layui-form">
     <colgroup>
-        <col>
-        <col>
+        <col width="50%">
         <col>
         <col>
         <col>
@@ -46,7 +45,6 @@
     <tr>
         <th>课程</th>
         <th>课时数</th>
-        <th>学员数</th>
         <th>有效期</th>
         <th>价格</th>
         <th>发布</th>
@@ -65,11 +63,6 @@
                     <span class="layui-badge layui-bg-green">{{ item.lesson_count }}</span>
                 </a>
             </td>
-            <td>
-                <a href="{{ url({'for':'admin.student.list'},{'course_id':item.id}) }}">
-                    <span class="layui-badge layui-bg-green">{{ item.student_count }}</span>
-                </a>
-            </td>
             <td>{{ expiry_info(item.expiry) }}</td>
             <td>
                 <p>市场：￥{{ item.market_price }}</p>
diff --git a/app/Http/Admin/Views/help/add.volt b/app/Http/Admin/Views/help/add.volt
new file mode 100644
index 00000000..bb8ad9f8
--- /dev/null
+++ b/app/Http/Admin/Views/help/add.volt
@@ -0,0 +1,46 @@
+<form class="layui-form kg-form" method="POST" action="{{ url({'for':'admin.help.create'}) }}">
+
+    <fieldset class="layui-elem-field layui-field-title">
+        <legend>添加帮助</legend>
+    </fieldset>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">标题</label>
+        <div class="layui-input-block">
+            <input class="layui-input" type="text" name="title" lay-verify="required">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">内容</label>
+        <div class="layui-input-block">
+            <textarea name="content" class="layui-hide" id="kg-layedit"></textarea>
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">排序</label>
+        <div class="layui-input-block">
+            <input class="layui-input" type="text" name="priority" value="10" lay-verify="number">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">发布</label>
+        <div class="layui-input-block">
+            <input type="radio" name="published" value="1" title="是" checked="checked">
+            <input type="radio" name="published" value="0" title="否">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label"></label>
+        <div class="layui-input-block">
+            <button class="kg-submit layui-btn" lay-submit="true" lay-filter="go">提交</button>
+            <button type="button" class="kg-back layui-btn layui-btn-primary">返回</button>
+        </div>
+    </div>
+
+</form>
+
+{{ partial('partials/layedit') }}
\ No newline at end of file
diff --git a/app/Http/Admin/Views/help/edit.volt b/app/Http/Admin/Views/help/edit.volt
new file mode 100644
index 00000000..562d57d3
--- /dev/null
+++ b/app/Http/Admin/Views/help/edit.volt
@@ -0,0 +1,47 @@
+<form class="layui-form kg-form" method="POST" action="{{ url({'for':'admin.help.update','id':help.id}) }}">
+
+    <fieldset class="layui-elem-field layui-field-title">
+        <legend>编辑帮助</legend>
+    </fieldset>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">标题</label>
+        <div class="layui-input-block">
+            <input type="text" name="title" value="{{ help.title }}" class="layui-input" lay-verify="required">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">内容</label>
+        <div class="layui-input-block">
+            <textarea name="content" class="layui-hide" id="kg-layedit">{{ help.content }}</textarea>
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">排序</label>
+        <div class="layui-input-block">
+            <input class="layui-input" type="text" name="priority" value="{{ help.priority }}" lay-verify="number">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">发布</label>
+        <div class="layui-input-block">
+            <input type="radio" name="published" value="1" title="是" {% if help.published == 1 %}checked{% endif %}>
+            <input type="radio" name="published" value="0" title="否" {% if help.published == 0 %}checked{% endif %}>
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label"></label>
+        <div class="layui-input-block">
+            <button class="kg-submit layui-btn" lay-submit="true" lay-filter="go">提交</button>
+            <button type="button" class="kg-back layui-btn layui-btn-primary">返回</button>
+        </div>
+    </div>
+
+</form>
+
+{{ partial('partials/layedit') }}
+
diff --git a/app/Http/Admin/Views/help/list.volt b/app/Http/Admin/Views/help/list.volt
new file mode 100644
index 00000000..f8b1acc0
--- /dev/null
+++ b/app/Http/Admin/Views/help/list.volt
@@ -0,0 +1,109 @@
+<div class="kg-nav">
+    <div class="kg-nav-left">
+        <span class="layui-breadcrumb">
+            <a><cite>帮助管理</cite></a>
+        </span>
+    </div>
+    <div class="kg-nav-right">
+        <a class="layui-btn layui-btn-sm" href="{{ url({'for':'admin.help.add'}) }}">
+            <i class="layui-icon layui-icon-add-1"></i>添加帮助
+        </a>
+    </div>
+</div>
+
+<table class="kg-table layui-table layui-form">
+    <colgroup>
+        <col>
+        <col>
+        <col>
+        <col>
+        <col>
+        <col width="12%">
+    </colgroup>
+    <thead>
+    <tr>
+        <th>编号</th>
+        <th>标题</th>
+        <th>更新时间</th>
+        <th>排序</th>
+        <th>发布</th>
+        <th>操作</th>
+    </tr>
+    </thead>
+    <tbody>
+    {% for item in helps %}
+        <tr>
+            <td>{{ item.id }}</td>
+            <td>{{ item.title }}</td>
+            <td>{{ date('Y-m-d H:i',item.updated_at) }}</td>
+            <td><input class="layui-input kg-priority-input" type="text" name="priority" value="{{ item.priority }}" help-id="{{ item.id }}" title="数值越小排序越靠前"></td>
+            <td><input type="checkbox" name="published" value="1" lay-skin="switch" lay-text="是|否" lay-filter="switch-published" help-id="{{ item.id }}" {% if item.published == 1 %}checked{% endif %}>
+            </td>
+            <td align="center">
+                <div class="layui-dropdown">
+                    <button class="layui-btn layui-btn-sm">操作 <span class="layui-icon layui-icon-triangle-d"></span></button>
+                    <ul>
+                        <li><a href="{{ url({'for':'admin.page.edit','id':item.id}) }}">编辑</a></li>
+                        <li><a href="javascript:" url="{{ url({'for':'admin.page.delete','id':item.id}) }}" class="kg-delete">删除</a></li>
+                    </ul>
+                </div>
+            </td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>
+
+<script>
+
+    layui.use(['jquery', 'form', 'layer'], function () {
+
+        var $ = layui.jquery;
+        var form = layui.form;
+        var layer = layui.layer;
+
+        $('input[name=priority]').on('change', function () {
+            var priority = $(this).val();
+            var helpId = $(this).attr('help-id');
+            $.ajax({
+                type: 'POST',
+                url: '/admin/help/' + helpId + '/update',
+                data: {priority: priority},
+                success: function (res) {
+                    layer.msg(res.msg, {icon: 1});
+                },
+                error: function (xhr) {
+                    var json = JSON.parse(xhr.responseText);
+                    layer.msg(json.msg, {icon: 2});
+                }
+            });
+        });
+
+        form.on('switch(switch-published)', function (data) {
+            var helpId = $(this).attr('help-id');
+            var checked = $(this).is(':checked');
+            var published = checked ? 1 : 0;
+            var tips = published == 1 ? '确定要发布帮助？' : '确定要下架帮助？';
+            layer.confirm(tips, function () {
+                $.ajax({
+                    type: 'POST',
+                    url: '/admin/help/' + helpId + '/update',
+                    data: {published: published},
+                    success: function (res) {
+                        layer.msg(res.msg, {icon: 1});
+                    },
+                    error: function (xhr) {
+                        var json = JSON.parse(xhr.responseText);
+                        layer.msg(json.msg, {icon: 2});
+                        data.elem.checked = !checked;
+                        form.render();
+                    }
+                });
+            }, function () {
+                data.elem.checked = !checked;
+                form.render();
+            });
+        });
+
+    });
+
+</script>
\ No newline at end of file
diff --git a/app/Http/Admin/Views/index.volt b/app/Http/Admin/Views/index.volt
index ca9ace40..83c37f4f 100644
--- a/app/Http/Admin/Views/index.volt
+++ b/app/Http/Admin/Views/index.volt
@@ -7,7 +7,7 @@
     <meta name="csrf-token-value" content="{{ security.getTokenValue() }}">
     <title>管理后台</title>
     {{ stylesheet_link('lib/layui/css/layui.css') }}
-    {{ stylesheet_link('lib/layui/css/dropdown.css') }}
+    {{ stylesheet_link('lib/layui/extends/dropdown.css') }}
     {{ stylesheet_link('admin/css/style.css') }}
     {{ javascript_include('lib/layui/layui.js') }}
     {{ javascript_include('admin/js/common.js') }}
diff --git a/app/Http/Admin/Views/nav/list.volt b/app/Http/Admin/Views/nav/list.volt
index a802c704..a572df9d 100644
--- a/app/Http/Admin/Views/nav/list.volt
+++ b/app/Http/Admin/Views/nav/list.volt
@@ -42,6 +42,7 @@
         <col>
         <col>
         <col>
+        <col>
         <col width="12%">
     </colgroup>
     <thead>
@@ -49,6 +50,7 @@
         <th>编号</th>
         <th>名称</th>
         <th>层级</th>
+        <th>节点数</th>
         <th>位置</th>
         <th>目标</th>
         <th>排序</th>
@@ -66,6 +68,7 @@
                 <td>{{ item.name }}</td>
             {% endif %}
             <td><span class="layui-badge layui-bg-gray">{{ item.level }}</span></td>
+            <td><span class="layui-badge layui-bg-gray">{{ item.child_count }}</span></td>
             <td>{{ position_info(item.position) }}</td>
             <td>{{ target_info(item.target) }}</td>
             <td><input class="layui-input kg-priority-input" type="text" name="priority" value="{{ item.priority }}" nav-id="{{ item.id }}" title="数值越小排序越靠前"></td>
diff --git a/app/Http/Admin/Views/order/macro.volt b/app/Http/Admin/Views/order/macro.volt
index b45a5dd4..cb08eb8f 100644
--- a/app/Http/Admin/Views/order/macro.volt
+++ b/app/Http/Admin/Views/order/macro.volt
@@ -1,28 +1,28 @@
 {%- macro item_info(order) %}
     {% if order.item_type == 'course' %}
-        {% set course = order.item_info.course %}
+        {% set course = order.item_info['course'] %}
         <div class="kg-order-item">
-            <p>课程名称：{{ course.title }}</p>
-            <p>市场价格：￥{{ course.market_price }}</p>
-            <p>有效期限：{{ date('Y-m-d', course.expire_time) }}</p>
+            <p>课程名称：{{ course['title'] }}</p>
+            <p>市场价格：￥{{ course['market_price'] }}</p>
+            <p>有效期限：{{ date('Y-m-d', course['expire_time']) }}</p>
         </div>
     {% elseif order.item_type == 'package' %}
-        {% set courses = order.item_info.courses %}
+        {% set courses = order.item_info['courses'] %}
         {% for course in courses %}
             <div class="kg-order-item">
-                <p>课程名称：{{ course.title }}</p>
-                <p>市场价格：￥{{ course.market_price }}</p>
-                <p>有效期限：{{ date('Y-m-d', course.expire_time) }}</p>
+                <p>课程名称：{{ course['title'] }}</p>
+                <p>市场价格：￥{{ course['market_price'] }}</p>
+                <p>有效期限：{{ date('Y-m-d', course['expire_time']) }}</p>
             </div>
         {% endfor %}
     {% elseif order.item_type == 'reward' %}
-        {% set course = order.item_info.course %}
+        {% set course = order.item_info['course'] %}
         <div class="kg-order-item">
-            <p>课程名称：{{ course.title }}</p>
-            <p>赞赏金额：￥{{ order.amount }}</p>
+            <p>课程名称：{{ course['title'] }}</p>
+            <p>赞赏金额：￥{{ order['amount'] }}</p>
         </div>
     {% elseif order.item_type == 'vip' %}
-        {% set vip = order.item_info.vip %}
+        {% set vip = order.item_info['vip'] %}
         <div class="kg-order-item">
             <p>商品名称：{{ order.subject }}</p>
             <p>商品价格：￥{{ order.amount }}</p>
diff --git a/app/Http/Admin/Views/order/show.volt b/app/Http/Admin/Views/order/show.volt
index 6183559f..cf2988ad 100644
--- a/app/Http/Admin/Views/order/show.volt
+++ b/app/Http/Admin/Views/order/show.volt
@@ -93,17 +93,15 @@
 <table class="kg-table layui-table">
     <tr>
         <th>编号</th>
-        <th>用户名</th>
+        <th>昵称</th>
         <th>邮箱</th>
-        <th>手机号</th>
-        <th>注册时间</th>
+        <th>手机</th>
     </tr>
     <tr>
         <td>{{ user.id }}</td>
         <td>{{ user.name }}</td>
-        <td>{{ user.email }}</td>
-        <td>{{ user.phone }}</td>
-        <td>{{ date('Y-m-d H:i:s',user.created_at) }}</td>
+        <td>{% if account.phone %}{{ account.phone }}{% else %}N/A{% endif %}</td>
+        <td>{% if account.email %}{{ account.email }}{% else %}N/A{% endif %}</td>
     </tr>
 </table>
 
diff --git a/app/Http/Admin/Views/partials/pager.volt b/app/Http/Admin/Views/partials/pager.volt
index bf9bfb15..3f8b8892 100644
--- a/app/Http/Admin/Views/partials/pager.volt
+++ b/app/Http/Admin/Views/partials/pager.volt
@@ -1,7 +1,7 @@
 {% if pager.total_pages > 1 %}
     <div class="layui-box layui-laypage layui-laypage-default">
         <a href="{{ pager.first }}">首页</a>
-        <a href="{{ pager.before }}">上页</a>
+        <a href="{{ pager.previous }}">上页</a>
         <a href="{{ pager.next }}">下页</a>
         <a href="{{ pager.last }}">尾页</a>
     </div>
diff --git a/app/Http/Admin/Views/public/login.volt b/app/Http/Admin/Views/public/login.volt
index aa3bcc94..2021b0c0 100644
--- a/app/Http/Admin/Views/public/login.volt
+++ b/app/Http/Admin/Views/public/login.volt
@@ -7,7 +7,7 @@
     <div class="layui-form-item">
         <label class="layui-form-label"><i class="layui-icon layui-icon-username"></i></label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="account" autocomplete="off" placeholder="用户名/手机号/邮箱" lay-verify="required">
+            <input class="layui-input" type="text" name="account" autocomplete="off" placeholder="手机/邮箱" lay-verify="required">
         </div>
     </div>
 
diff --git a/app/Http/Admin/Views/refund/show.volt b/app/Http/Admin/Views/refund/show.volt
index dfee19eb..78384f48 100644
--- a/app/Http/Admin/Views/refund/show.volt
+++ b/app/Http/Admin/Views/refund/show.volt
@@ -110,16 +110,14 @@
 <table class="kg-table layui-table">
     <tr>
         <th>编号</th>
-        <th>用户名</th>
+        <th>昵称</th>
         <th>邮箱</th>
-        <th>手机号</th>
-        <th>注册时间</th>
+        <th>手机</th>
     </tr>
     <tr>
         <td>{{ user.id }}</td>
         <td>{{ user.name }}</td>
-        <td>{{ user.email }}</td>
-        <td>{{ user.phone }}</td>
-        <td>{{ date('Y-m-d H:i:s',user.created_at) }}</td>
+        <td>{% if account.phone %}{{ account.phone }}{% else %}N/A{% endif %}</td>
+        <td>{% if account.email %}{{ account.email }}{% else %}N/A{% endif %}</td>
     </tr>
 </table>
\ No newline at end of file
diff --git a/app/Http/Admin/Views/role/add.volt b/app/Http/Admin/Views/role/add.volt
index 83bbd61e..a0bc1dfc 100644
--- a/app/Http/Admin/Views/role/add.volt
+++ b/app/Http/Admin/Views/role/add.volt
@@ -7,14 +7,14 @@
     <div class="layui-form-item">
         <label class="layui-form-label">名称</label>
         <div class="layui-input-block">
-            <input type="text" name="name" class="layui-input" lay-verify="required">
+            <input class="layui-input" type="text" name="name" {% if role.type == 'system' %}readonly{% endif %} lay-verify="required">
         </div>
     </div>
 
     <div class="layui-form-item">
         <label class="layui-form-label">描述</label>
         <div class="layui-input-block">
-            <input type="text" name="summary" class="layui-input" lay-verify="required">
+            <input class="layui-input" type="text" name="summary" {% if role.type == 'system' %}readonly{% endif %} lay-verify="required">
         </div>
     </div>
 
diff --git a/app/Http/Admin/Views/role/edit.volt b/app/Http/Admin/Views/role/edit.volt
index 3c83c308..d825dfba 100644
--- a/app/Http/Admin/Views/role/edit.volt
+++ b/app/Http/Admin/Views/role/edit.volt
@@ -7,21 +7,21 @@
     <div class="layui-form-item">
         <label class="layui-form-label">名称</label>
         <div class="layui-input-block">
-            <input type="text" name="name" value="{{ role.name }}" class="layui-input" lay-verify="required">
+            <input class="layui-input" type="text" name="name" value="{{ role.name }}" {% if role.type == 'system' %}readonly{% endif %} lay-verify="required">
         </div>
     </div>
 
     <div class="layui-form-item">
         <label class="layui-form-label">描述</label>
         <div class="layui-input-block">
-            <input type="text" name="summary" value="{{ role.summary }}" class="layui-input" lay-verify="required">
+            <input class="layui-input" type="text" name="summary" value="{{ role.summary }}" {% if role.type == 'system' %}readonly{% endif %} lay-verify="required">
         </div>
     </div>
 
     <div class="layui-form-item">
         <label class="layui-form-label">权限</label>
         <div class="layui-input-block">
-            {% for key,level in nodes %}
+            {% for key,level in auth_nodes %}
                 <table class="layui-table">
                     {% for key2,level2 in level.child %}
                         <tr>
diff --git a/app/Http/Admin/Views/student/learning.volt b/app/Http/Admin/Views/student/learning.volt
index c49eadab..4f3e6e18 100644
--- a/app/Http/Admin/Views/student/learning.volt
+++ b/app/Http/Admin/Views/student/learning.volt
@@ -6,6 +6,14 @@
     {% endif %}
 {%- endmacro %}
 
+{%- macro last_active(created_at, updated_at) %}
+    {% if updated_at > 0 %}
+        {{ date('Y-m-d H:i:s', updated_at) }}
+    {% else %}
+        {{ date('Y-m-d H:i:s', created_at) }}
+    {% endif %}
+{%- endmacro %}
+
 <table class="kg-table layui-table layui-form">
     <colgroup>
         <col>
@@ -18,9 +26,9 @@
     <tr>
         <th>课时信息</th>
         <th>学习时长</th>
-        <th>客户端类型</th>
-        <th>客户端地址</th>
-        <th>创建时间</th>
+        <th>终端类型</th>
+        <th>终端地址</th>
+        <th>最后活跃</th>
     </tr>
     </thead>
     <tbody>
@@ -32,8 +40,8 @@
             </td>
             <td>{{ item.duration|play_duration }}</td>
             <td>{{ client_type(item.client_type) }}</td>
-            <td><a class="kg-ip2region" href="javascript:" title="查看位置" ip="{{ item.client_ip }}">{{ item.client_ip }}</a></td>
-            <td>{{ date('Y-m-d H:i',item.created_at) }}</td>
+            <td><a class="kg-ip2region" href="javascript:;" title="查看位置" ip="{{ item.client_ip }}">{{ item.client_ip }}</a></td>
+            <td>{{ last_active(item.created_at, item.updated_at) }}</td>
         </tr>
     {% endfor %}
     </tbody>
diff --git a/app/Http/Admin/Views/student/list.volt b/app/Http/Admin/Views/student/list.volt
index 4b8d496a..fc909e2a 100644
--- a/app/Http/Admin/Views/student/list.volt
+++ b/app/Http/Admin/Views/student/list.volt
@@ -20,15 +20,13 @@
         <col>
         <col>
         <col>
-        <col>
         <col width="10%">
     </colgroup>
     <thead>
     <tr>
         <th>基本信息</th>
         <th>学习情况</th>
-        <th>加入时间</th>
-        <th>过期时间</th>
+        <th>有效期限</th>
         <th>锁定</th>
         <th>操作</th>
     </tr>
@@ -48,8 +46,7 @@
                 </div>
                 <p>时长：{{ item.duration|total_duration }}</p>
             </td>
-            <td>{{ date('Y-m-d',item.created_at) }}</td>
-            <td>{{ date('Y-m-d',item.expire_time) }}</td>
+            <td>{{ date('Y-m-d H:i',item.expire_time) }}</td>
             <td><input type="checkbox" name="locked" value="1" lay-filter="switch-locked" lay-skin="switch" lay-text="是|否" course-id="{{ item.course_id }}" user-id="{{ item.user_id }}" {% if item.locked == 1 %}checked{% endif %}></td>
             <td align="center">
                 <div class="layui-dropdown">
diff --git a/app/Http/Admin/Views/topic/add.volt b/app/Http/Admin/Views/topic/add.volt
new file mode 100644
index 00000000..daa1da8b
--- /dev/null
+++ b/app/Http/Admin/Views/topic/add.volt
@@ -0,0 +1,29 @@
+<form class="layui-form kg-form" method="POST" action="{{ url({'for':'admin.topic.create'}) }}">
+
+    <fieldset class="layui-elem-field layui-field-title">
+        <legend>添加话题</legend>
+    </fieldset>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">标题</label>
+        <div class="layui-input-block">
+            <input class="layui-input" type="text" name="title" lay-verify="required">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">简介</label>
+        <div class="layui-input-block">
+            <input class="layui-input" type="text" name="summary">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label"></label>
+        <div class="layui-input-block">
+            <button class="kg-submit layui-btn" lay-submit="true" lay-filter="go">提交</button>
+            <button type="button" class="kg-back layui-btn layui-btn-primary">返回</button>
+        </div>
+    </div>
+
+</form>
\ No newline at end of file
diff --git a/app/Http/Admin/Views/topic/edit.volt b/app/Http/Admin/Views/topic/edit.volt
new file mode 100644
index 00000000..302b380a
--- /dev/null
+++ b/app/Http/Admin/Views/topic/edit.volt
@@ -0,0 +1,45 @@
+<form class="layui-form kg-form" method="POST" action="{{ url({'for':'admin.topic.update','id':topic.id}) }}">
+
+    <fieldset class="layui-elem-field layui-field-title">
+        <legend>编辑话题</legend>
+    </fieldset>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">标题</label>
+        <div class="layui-input-block">
+            <input class="layui-input" type="text" name="title" value="{{ topic.title }}" lay-verify="required">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">简介</label>
+        <div class="layui-input-block">
+            <input class="layui-input" type="text" name="summary" value="{{ topic.summary }}">
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label">相关课程</label>
+        <div class="layui-input-block">
+            <div id="xm-course-ids"></div>
+        </div>
+    </div>
+
+    <div class="layui-form-item">
+        <label class="layui-form-label"></label>
+        <div class="layui-input-block">
+            <button class="kg-submit layui-btn" lay-submit="true" lay-filter="go">提交</button>
+            <button type="button" class="kg-back layui-btn layui-btn-primary">返回</button>
+        </div>
+    </div>
+
+</form>
+
+{{ javascript_include('lib/xm-select.js') }}
+{{ javascript_include('admin/js/xm-course.js') }}
+
+<script>
+
+    xmCourse({{ xm_courses|json_encode }}, '/admin/xm/course/all');
+
+</script>
\ No newline at end of file
diff --git a/app/Http/Admin/Views/topic/list.volt b/app/Http/Admin/Views/topic/list.volt
new file mode 100644
index 00000000..68c15502
--- /dev/null
+++ b/app/Http/Admin/Views/topic/list.volt
@@ -0,0 +1,89 @@
+<div class="kg-nav">
+    <div class="kg-nav-left">
+        <span c.lass="layui-breadcrumb">
+            <a><cite>话题管理</cite></a>
+        </span>
+    </div>
+    <div class="kg-nav-right">
+        <a class="layui-btn layui-btn-sm" href="{{ url({'for':'admin.topic.add'}) }}">
+            <i class="layui-icon layui-icon-add-1"></i>添加话题
+        </a>
+    </div>
+</div>
+
+<table class="kg-table layui-table layui-form">
+    <colgroup>
+        <col>
+        <col>
+        <col>
+        <col>
+        <col width="12%">
+    </colgroup>
+    <thead>
+    <tr>
+        <th>编号</th>
+        <th>标题</th>
+        <th>课程数</th>
+        <th>发布</th>
+        <th>操作</th>
+    </tr>
+    </thead>
+    <tbody>
+    {% for item in pager.items %}
+        <tr>
+            <td>{{ item.id }}</td>
+            <td><a href="{{ url({'for':'admin.topic.edit','id':item.id}) }}">{{ item.title }}</a></td>
+            <td><span class="layui-badge layui-bg-gray">{{ item.course_count }}</span></td>
+            <td><input type="checkbox" name="published" value="1" lay-skin="switch" lay-text="是|否" lay-filter="switch-published" topic-id="{{ item.id }}" {% if item.published == 1 %}checked{% endif %}></td>
+            <td align="center">
+                <div class="layui-dropdown">
+                    <button class="layui-btn layui-btn-sm">操作 <span class="layui-icon layui-icon-triangle-d"></span></button>
+                    <ul>
+                        <li><a href="{{ url({'for':'admin.topic.edit','id':item.id}) }}">编辑</a></li>
+                        <li><a href="javascript:" url="{{ url({'for':'admin.topic.delete','id':item.id}) }}" class="kg-delete">删除</a></li>
+                    </ul>
+                </div>
+            </td>
+        </tr>
+    {% endfor %}
+    </tbody>
+</table>
+
+{{ partial('partials/pager') }}
+
+<script>
+
+    layui.use(['jquery', 'form'], function () {
+
+        var $ = layui.jquery;
+        var form = layui.form;
+
+        form.on('switch(switch-published)', function (data) {
+            var topicId = $(this).attr('topic-id');
+            var checked = $(this).is(':checked');
+            var published = checked ? 1 : 0;
+            var tips = published == 1 ? '确定要发布话题？' : '确定要下架话题？';
+            layer.confirm(tips, function () {
+                $.ajax({
+                    type: 'POST',
+                    url: '/admin/topic/' + topicId + '/update',
+                    data: {published: published},
+                    success: function (res) {
+                        layer.msg(res.msg, {icon: 1});
+                    },
+                    error: function (xhr) {
+                        var json = JSON.parse(xhr.responseText);
+                        layer.msg(json.msg, {icon: 2});
+                        data.elem.checked = !checked;
+                        form.render();
+                    }
+                });
+            }, function () {
+                data.elem.checked = !checked;
+                form.render();
+            });
+        });
+
+    });
+
+</script>
\ No newline at end of file
diff --git a/app/Http/Admin/Views/trade/show.volt b/app/Http/Admin/Views/trade/show.volt
index 5f6a934a..a559d4ff 100644
--- a/app/Http/Admin/Views/trade/show.volt
+++ b/app/Http/Admin/Views/trade/show.volt
@@ -91,17 +91,15 @@
 <table class="kg-table layui-table">
     <tr>
         <th>编号</th>
-        <th>用户名</th>
+        <th>昵称</th>
         <th>邮箱</th>
-        <th>手机号</th>
-        <th>注册时间</th>
+        <th>手机</th>
     </tr>
     <tr>
         <td>{{ user.id }}</td>
         <td>{{ user.name }}</td>
-        <td>{{ user.email }}</td>
-        <td>{{ user.phone }}</td>
-        <td>{{ date('Y-m-d H:i:s',user.created_at) }}</td>
+        <td>{% if account.phone %}{{ account.phone }}{% else %}N/A{% endif %}</td>
+        <td>{% if account.email %}{{ account.email }}{% else %}N/A{% endif %}</td>
     </tr>
 </table>
 
diff --git a/app/Http/Admin/Views/user/edit.volt b/app/Http/Admin/Views/user/edit.volt
index 8ed64f6b..4e32ba83 100644
--- a/app/Http/Admin/Views/user/edit.volt
+++ b/app/Http/Admin/Views/user/edit.volt
@@ -53,10 +53,10 @@
         </div>
     </div>
 
-    <div class="layui-form-item" id="locked-expiry-block" {% if user.locked == 0 %}style="display:none;"{% endif %}>
+    <div class="layui-form-item" id="lock-expiry-block" {% if user.locked == 0 %}style="display:none;"{% endif %}>
         <label class="layui-form-label">锁定期限</label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="locked_expiry" value="{{ date('Y-m-d H:i:s',user.locked_expiry) }}">
+            <input class="layui-input" type="text" name="lock_expiry" autocomplete="off" value="{{ date('Y-m-d H:i:s',user.lock_expiry) }}">
         </div>
     </div>
 
@@ -79,12 +79,12 @@
         var laydate = layui.laydate;
 
         laydate.render({
-            elem: 'input[name=locked_expiry]',
+            elem: 'input[name=lock_expiry]',
             type: 'datetime'
         });
 
         form.on('radio(locked)', function (data) {
-            var block = $('#locked-expiry-block');
+            var block = $('#lock-expiry-block');
             if (data.value == 1) {
                 block.show();
             } else {
diff --git a/app/Http/Admin/Views/user/list.volt b/app/Http/Admin/Views/user/list.volt
index 741debaf..8884ca15 100644
--- a/app/Http/Admin/Views/user/list.volt
+++ b/app/Http/Admin/Views/user/list.volt
@@ -11,7 +11,7 @@
     {% if user.locked == 0 %}
         <span class="layui-badge layui-bg-green">正常</span>
     {% else %}
-        <span class="layui-badge" title="期限：{{ date('Y-m-d H:i:s',user.locked_expiry) }}">锁定</span>
+        <span class="layui-badge" title="期限：{{ date('Y-m-d H:i:s',user.lock_expiry) }}">锁定</span>
     {% endif %}
 {%- endmacro %}
 
@@ -24,7 +24,6 @@
 <div class="kg-nav">
     <div class="kg-nav-left">
         <span class="layui-breadcrumb">
-            <a class="kg-back"><i class="layui-icon layui-icon-return"></i> 返回</a>
             <a><cite>用户管理</cite></a>
         </span>
     </div>
@@ -45,14 +44,16 @@
         <col>
         <col>
         <col>
+        <col>
         <col width="12%">
     </colgroup>
     <thead>
     <tr>
         <th>编号</th>
-        <th>用户</th>
+        <th>昵称</th>
         <th>角色</th>
-        <th>注册日期</th>
+        <th>最后活跃</th>
+        <th>最后位置</th>
         <th>状态</th>
         <th>操作</th>
     </tr>
@@ -61,9 +62,10 @@
     {% for item in pager.items %}
         <tr>
             <td>{{ item.id }}</td>
-            <td><a href="javascript:" title="{{ item.about }}">{{ item.name }}</a>{{ vip_info(item) }}</td>
+            <td><a href="#" title="{{ item.about }}">{{ item.name }}</a>{{ vip_info(item) }}</td>
             <td>{{ role_info(item) }}</td>
-            <td>{{ date('Y-m-d',item.created_at) }}</td>
+            <td>{{ date('Y-m-d H:i',item.last_active) }}</td>
+            <td><a class="kg-ip2region" href="javascript:;" title="查看位置" ip="{{ item.last_ip }}">{{ item.last_ip }}</a></td>
             <td>{{ status_info(item) }}</td>
             <td align="center">
                 <div class="layui-dropdown">
@@ -78,4 +80,5 @@
     </tbody>
 </table>
 
-{{ partial('partials/pager') }}
\ No newline at end of file
+{{ partial('partials/pager') }}
+{{ partial('partials/ip2region') }}
\ No newline at end of file
diff --git a/app/Http/Admin/Views/user/search.volt b/app/Http/Admin/Views/user/search.volt
index a8046b21..dec8cb2f 100644
--- a/app/Http/Admin/Views/user/search.volt
+++ b/app/Http/Admin/Views/user/search.volt
@@ -14,21 +14,7 @@
     <div class="layui-form-item">
         <label class="layui-form-label">用户名</label>
         <div class="layui-input-block">
-            <input class="layui-input" type="text" name="name" placeholder="用户名精确匹配">
-        </div>
-    </div>
-
-    <div class="layui-form-item">
-        <label class="layui-form-label">手机号</label>
-        <div class="layui-input-block">
-            <input class="layui-input" type="text" name="mobile" placeholder="手机号精确匹配">
-        </div>
-    </div>
-
-    <div class="layui-form-item">
-        <label class="layui-form-label">邮箱</label>
-        <div class="layui-input-block">
-            <input class="layui-input" type="text" name="email" placeholder="邮箱精确匹配">
+            <input class="layui-input" type="text" name="name" placeholder="用户名模糊匹配">
         </div>
     </div>
 
diff --git a/app/Http/Home/Controllers/CategoryController.php b/app/Http/Home/Controllers/CategoryController.php
deleted file mode 100644
index 9e560451..00000000
--- a/app/Http/Home/Controllers/CategoryController.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-
-namespace App\Http\Home\Controllers;
-
-use App\Http\Home\Services\Category as CategoryService;
-
-/**
- * @RoutePrefix("/category")
- */
-class CategoryController extends Controller
-{
-
-    /**
-     * @Get("/{id}", name="home.category.show")
-     */
-    public function showAction($id)
-    {
-        $service = new CategoryService();
-
-        $category = $service->getCategory($id);
-
-        return $this->response->ajaxSuccess($category);
-    }
-
-    /**
-     * @Get("/{id}/childs", name="home.category.childs")
-     */
-    public function childsAction($id)
-    {
-        $service = new CategoryService();
-
-        $childs = $service->getChilds($id);
-
-        return $this->response->ajaxSuccess($childs);
-    }
-
-    /**
-     * @Get("/{id}/courses", name="home.category.courses")
-     */
-    public function coursesAction($id)
-    {
-        $service = new CategoryService();
-
-        $courses = $service->getCourses($id);
-
-        return $this->response->ajaxSuccess($courses);
-    }
-
-}
diff --git a/app/Http/Home/Controllers/ChapterController.php b/app/Http/Home/Controllers/ChapterController.php
index b9884477..312dc312 100644
--- a/app/Http/Home/Controllers/ChapterController.php
+++ b/app/Http/Home/Controllers/ChapterController.php
@@ -11,7 +11,7 @@ class ChapterController extends Controller
 {
 
     /**
-     * @Get("/{id}", name="home.chapter.show")
+     * @Get("/{id:[0-9]+}", name="home.chapter.show")
      */
     public function showAction($id)
     {
@@ -23,7 +23,7 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Get("/{id}/comments", name="home.chapter.comments")
+     * @Get("/{id:[0-9]+}/comments", name="home.chapter.comments")
      */
     public function commentsAction($id)
     {
@@ -35,7 +35,7 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Post("/{id}/agree", name="home.chapter.agree")
+     * @Post("/{id:[0-9]+}/agree", name="home.chapter.agree")
      */
     public function agreeAction($id)
     {
@@ -47,7 +47,7 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Post("/{id}/oppose", name="home.chapter.oppose")
+     * @Post("/{id:[0-9]+}/oppose", name="home.chapter.oppose")
      */
     public function opposeAction($id)
     {
@@ -59,7 +59,7 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Post("/{id}/position", name="home.chapter.position")
+     * @Post("/{id:[0-9]+}/position", name="home.chapter.position")
      */
     public function positionAction($id)
     {
@@ -71,7 +71,7 @@ class ChapterController extends Controller
     }
 
     /**
-     * @Post("/{id}/finish", name="home.chapter.finish")
+     * @Post("/{id:[0-9]+}/finish", name="home.chapter.finish")
      */
     public function finishAction($id)
     {
diff --git a/app/Http/Home/Controllers/CommentController.php b/app/Http/Home/Controllers/CommentController.php
deleted file mode 100644
index ab1c6ef6..00000000
--- a/app/Http/Home/Controllers/CommentController.php
+++ /dev/null
@@ -1,85 +0,0 @@
-<?php
-
-namespace App\Http\Home\Controllers;
-
-use App\Http\Home\Services\Comment as CommentService;
-
-/**
- * @RoutePrefix("/comment")
- */
-class CommentController extends Controller
-{
-
-    /**
-     * @Post("/create", name="home.comment.create")
-     */
-    public function createAction()
-    {
-        $service = new CommentService();
-
-        $comment = $service->create();
-
-        return $this->response->ajaxSuccess($comment);
-    }
-    
-    /**
-     * @Get("/{id}", name="home.comment.show")
-     */
-    public function showAction($id)
-    {
-        $service = new CommentService();
-
-        $comment = $service->getComment($id);
-
-        return $this->response->ajaxSuccess($comment);
-    }
-
-    /**
-     * @Get("/{id}/replies", name="home.comment.replies")
-     */
-    public function repliesAction($id)
-    {
-        $service = new CommentService();
-
-        $replies = $service->getReplies($id);
-
-        return $this->response->ajaxSuccess($replies);
-    }
-
-    /**
-     * @Post("/{id}/delete", name="home.comment.delete")
-     */
-    public function deleteAction($id)
-    {
-        $service = new CommentService();
-
-        $service->delete($id);
-
-        return $this->response->ajaxSuccess();
-    }
-
-    /**
-     * @Post("/{id}/agree", name="home.comment.agree")
-     */
-    public function agreeAction($id)
-    {
-        $service = new CommentService();
-
-        $service->agree($id);
-
-        return $this->response->ajaxSuccess();
-    }
-
-    /**
-     * @Post("/{id}/oppose", name="home.comment.oppose")
-     */
-    public function opposeAction($id)
-    {
-        $service = new CommentService();
-
-        $service->oppose($id);
-
-        return $this->response->ajaxSuccess();
-    }
-
-}
diff --git a/app/Http/Home/Controllers/ConsultController.php b/app/Http/Home/Controllers/ConsultController.php
deleted file mode 100644
index cde47ca3..00000000
--- a/app/Http/Home/Controllers/ConsultController.php
+++ /dev/null
@@ -1,101 +0,0 @@
-<?php
-
-namespace App\Http\Home\Controllers;
-
-use App\Http\Home\Services\Consult as ConsultService;
-
-/**
- * @RoutePrefix("/consult")
- */
-class ConsultController extends Controller
-{
-
-    /**
-     * @Post("/create", name="home.consult.create")
-     */
-    public function createAction()
-    {
-        $service = new ConsultService();
-
-        $consult = $service->create();
-
-        $data = $service->getConsult($consult->id);
-
-        return $this->ajaxSuccess($data);
-    }
-
-    /**
-     * @Get("/{id}", name="home.consult.show")
-     */
-    public function showAction($id)
-    {
-        $service = new ConsultService();
-
-        $consult = $service->getConsult($id);
-
-        return $this->ajaxSuccess($consult);
-    }
-
-    /**
-     * @Post("/{id}/update", name="home.consult.update")
-     */
-    public function updateAction($id)
-    {
-        $service = new ConsultService();
-
-        $consult = $service->update($id);
-
-        $data = $service->getConsult($consult->id);
-
-        return $this->ajaxSuccess($data);
-    }
-
-    /**
-     * @Post("/{id}/delete", name="home.consult.delete")
-     */
-    public function deleteAction($id)
-    {
-        $service = new ConsultService();
-
-        $service->delete($id);
-
-        return $this->ajaxSuccess();
-    }
-
-    /**
-     * @Post("/{id}/agree", name="home.consult.agree")
-     */
-    public function agreeAction($id)
-    {
-        $service = new ConsultService();
-
-        $service->agree($id);
-
-        return $this->ajaxSuccess();
-    }
-
-    /**
-     * @Post("/{id}/oppose", name="home.consult.oppose")
-     */
-    public function opposeAction($id)
-    {
-        $service = new ConsultService();
-
-        $service->oppose($id);
-
-        return $this->ajaxSuccess();
-    }
-
-    /**
-     * @Post("/{id}/reply", name="home.consult.reply")
-     */
-    public function replyAction($id)
-    {
-        $service = new ConsultService();
-
-        $service->reply($id);
-
-        return $this->ajaxSuccess();
-    }
-
-}
diff --git a/app/Http/Home/Controllers/Controller.php b/app/Http/Home/Controllers/Controller.php
index 3eb2bc7e..26b8c7e9 100644
--- a/app/Http/Home/Controllers/Controller.php
+++ b/app/Http/Home/Controllers/Controller.php
@@ -4,23 +4,63 @@ namespace App\Http\Home\Controllers;
 
 use App\Traits\Ajax as AjaxTrait;
 use App\Traits\Security as SecurityTrait;
+use Phalcon\Mvc\Dispatcher;
 
 class Controller extends \Phalcon\Mvc\Controller
 {
 
+    protected $siteConfig;
+    protected $navList;
+    protected $authUser;
+
     use AjaxTrait, SecurityTrait;
 
+    public function beforeExecuteRoute(Dispatcher $dispatcher)
+    {
+        if ($this->isNotSafeRequest()) {
+            if (!$this->checkHttpReferer() || !$this->checkCsrfToken()) {
+                $dispatcher->forward([
+                    'controller' => 'public',
+                    'action' => 'robot',
+                ]);
+                return false;
+            }
+        }
+
+        $this->siteConfig = $this->getSiteConfig();
+        $this->navList = $this->getNavList();
+        $this->authUser = $this->getAuthUser();
+
+        return true;
+    }
+
     public function initialize()
     {
-        $controllerName = $this->router->getControllerName();
+        $this->view->setVar('auth_user', $this->authUser);
+        $this->view->setVar('site_config', $this->siteConfig);
+        $this->view->setVar('top_nav_list', $this->navList['top']);
+        $this->view->setVar('btm_nav_list', $this->navList['bottom']);
+    }
 
-        if ($controllerName != 'index') {
-            //$this->request->checkReferer();
-        }
+    protected function getAuthUser()
+    {
+        $auth = $this->getDI()->get('auth');
 
-        if ($this->request->isPost()) {
-            //$this->request->checkToken();
-        }
+        return $auth->getAuthInfo();
+    }
+
+    protected function getNavList()
+    {
+        $cache = new \App\Caches\NavTreeList();
+
+        return $cache->get();
+    }
+
+    protected function getSiteConfig()
+    {
+        $cache = new \App\Caches\Config();
+
+        return $cache->getSectionConfig('site');
     }
 
 }
diff --git a/app/Http/Home/Controllers/CourseController.php b/app/Http/Home/Controllers/CourseController.php
index aa57c286..bd2df268 100644
--- a/app/Http/Home/Controllers/CourseController.php
+++ b/app/Http/Home/Controllers/CourseController.php
@@ -2,8 +2,11 @@
 
 namespace App\Http\Home\Controllers;
 
-use App\Http\Home\Services\Course as CourseService;
-use Phalcon\Mvc\View;
+use App\Services\Frontend\Course as CourseService;
+use App\Services\Frontend\CourseFavorite as CourseFavoriteService;
+use App\Services\Frontend\CourseList as CourseListService;
+use App\Services\Frontend\CourseRelated as CourseRelatedService;
+use App\Services\Frontend\CourseReview as CourseReviewService;
 
 /**
  * @RoutePrefix("/course")
@@ -16,144 +19,67 @@ class CourseController extends Controller
      */
     public function listAction()
     {
-        $service = new CourseService();
+        $courseListService = new CourseListService();
 
-        $courses = $service->getCourses();
+        $pager = $courseListService->getCourses();
 
-        $this->view->courses = $courses;
+        return $this->ajaxSuccess(['pager' => $pager]);
+
+        $this->view->setVar('pager', $pager);
     }
 
     /**
-     * @Get("/{id}", name="home.course.show")
+     * @Get("/{id:[0-9]+}", name="home.course.show")
      */
     public function showAction($id)
     {
-        $service = new CourseService();
+        $courseService = new CourseService();
 
-        $course = $service->getCourse($id);
+        $course = $courseService->getCourse($id);
 
-        $this->view->course = $course;
+        return $this->ajaxSuccess(['course' => $course]);
+
+        $this->view->setVar('course', $course);
     }
 
     /**
-     * @Get("/{id}/chapters", name="home.course.chapters")
+     * @Get("/{id:[0-9]+}/related", name="home.course.related")
      */
-    public function chaptersAction($id)
+    public function relatedAction($id)
     {
-        $service = new CourseService();
+        $relatedService = new CourseRelatedService();
 
-        $chapters = $service->getChapters($id);
+        $courses = $relatedService->getRelated($id);
 
-        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        return $this->ajaxSuccess(['courses' => $courses]);
 
-        $this->view->chapters = $chapters;
+        $this->view->setVar('course', $course);
     }
 
     /**
-     * @Get("/{id}/consults", name="home.course.consults")
-     */
-    public function consultsAction($id)
-    {
-        $service = new CourseService();
-
-        $consults = $service->getConsults($id);
-
-        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-
-        $this->view->consults = $consults;
-    }
-
-    /**
-     * @Get("/{id}/reviews", name="home.course.reviews")
+     * @Get("/{id:[0-9]+}/reviews", name="home.course.reviews")
      */
     public function reviewsAction($id)
     {
-        $service = new CourseService();
+        $reviewService = new CourseReviewService();
 
-        $reviews = $service->getReviews($id);
+        $pager = $reviewService->getReviews($id);
 
-        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        return $this->ajaxSuccess(['pager' => $pager]);
 
-        $this->view->reviews = $reviews;
+        $this->view->setVar('pager', $pager);
     }
 
     /**
-     * @Get("/{id}/comments", name="home.course.comments")
-     */
-    public function commentsAction($id)
-    {
-        $service = new CourseService();
-
-        $comments = $service->getComments($id);
-
-        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-
-        $this->view->comments = $comments;
-    }
-
-    /**
-     * @Get("/{id}/users", name="home.course.users")
-     */
-    public function usersAction($id)
-    {
-        $service = new CourseService();
-
-        $users = $service->getUsers($id);
-
-        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-
-        $this->view->users = $users;
-    }
-
-    /**
-     * @Post("/{id}/favorite", name="home.course.favorite")
+     * @Post("/{id:[0-9]+}/favorite", name="home.course.favorite")
      */
     public function favoriteAction($id)
     {
-        $service = new CourseService();
+        $favoriteService = new CourseFavoriteService();
 
-        $service->favorite($id);
+        $favoriteService->saveFavorite($id);
 
         return $this->response->ajaxSuccess();
     }
 
-    /**
-     * @Post("/{id}/unfavorite", name="home.course.unfavorite")
-     */
-    public function unfavoriteAction($id)
-    {
-        $service = new CourseService();
-
-        $service->unfavorite($id);
-
-        return $this->response->ajaxSuccess();
-    }
-
-    /**
-     * @Post("/{id}/apply", name="home.course.apply")
-     */
-    public function applyAction($id)
-    {
-        $service = new CourseService();
-
-        $service->apply($id);
-
-        return $this->response->ajaxSuccess();
-    }
-
-    /**
-     * @Get("/{id}/start", name="home.course.start")
-     */
-    public function startAction($id)
-    {
-        $service = new CourseService();
-
-        $chapter = $service->getStartChapter($id);
-
-        $this->response->redirect([
-            'for' => 'home.chapter.show',
-            'id' => $chapter->id,
-        ]);
-    }
-
 }
diff --git a/app/Http/Home/Controllers/ErrorController.php b/app/Http/Home/Controllers/ErrorController.php
index 8318b4c9..ff05bbfe 100644
--- a/app/Http/Home/Controllers/ErrorController.php
+++ b/app/Http/Home/Controllers/ErrorController.php
@@ -19,7 +19,7 @@ class ErrorController extends \Phalcon\Mvc\Controller
     }
 
     /**
-     * @Get("/400", name="error.400") 
+     * @Get("/400", name="home.error.400")
      */
     public function show400Action()
     {
@@ -27,7 +27,7 @@ class ErrorController extends \Phalcon\Mvc\Controller
     }
 
     /**
-     * @Get("/401", name="error.401") 
+     * @Get("/401", name="home.error.401")
      */
     public function show401Action()
     {
@@ -35,7 +35,7 @@ class ErrorController extends \Phalcon\Mvc\Controller
     }
 
     /**
-     * @Get("/403", name="error.403") 
+     * @Get("/403", name="home.error.403")
      */
     public function show403Action()
     {
@@ -43,7 +43,7 @@ class ErrorController extends \Phalcon\Mvc\Controller
     }
 
     /**
-     * @Get("/404", name="error.404") 
+     * @Get("/404", name="home.error.404")
      */
     public function show404Action()
     {
@@ -55,7 +55,7 @@ class ErrorController extends \Phalcon\Mvc\Controller
     }
 
     /**
-     * @Get("/500", name="error.500") 
+     * @Get("/500", name="home.error.500")
      */
     public function show500Action()
     {
diff --git a/app/Http/Home/Controllers/PublicController.php b/app/Http/Home/Controllers/PublicController.php
index 3af537fb..d3874d0a 100644
--- a/app/Http/Home/Controllers/PublicController.php
+++ b/app/Http/Home/Controllers/PublicController.php
@@ -5,18 +5,20 @@ namespace App\Http\Home\Controllers;
 use App\Models\ContentImage as ContentImageModel;
 use App\Services\Storage as StorageService;
 
-class PublicController extends Controller
+class PublicController extends \Phalcon\Mvc\Controller
 {
 
     /**
-     * @Get("/content/img/{id}", name="home.content.img")
+     * @Get("/content/img/{id:[0-9]+}", name="home.content.img")
      */
     public function contentImageAction($id)
     {
-        $contentImage = ContentImageModel::findFirstById($id);
+        $contentImage = ContentImageModel::findFirst($id);
 
         if (!$contentImage) {
+
             $this->response->setStatusCode(404);
+
             return $this->response;
         }
 
@@ -27,4 +29,12 @@ class PublicController extends Controller
         $this->response->redirect($location);
     }
 
+    /**
+     * @Get("/robot", name="home.robot")
+     */
+    public function robotAction()
+    {
+
+    }
+
 }
diff --git a/app/Http/Home/Controllers/ReviewController.php b/app/Http/Home/Controllers/ReviewController.php
index 482cd2f2..8a15c34a 100644
--- a/app/Http/Home/Controllers/ReviewController.php
+++ b/app/Http/Home/Controllers/ReviewController.php
@@ -25,7 +25,7 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Get("/{id}", name="home.review.show")
+     * @Get("/{id:[0-9]+}", name="home.review.show")
      */
     public function showAction($id)
     {
@@ -37,7 +37,7 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Post("/{id}/update", name="home.review.update")
+     * @Post("/{id:[0-9]+}/update", name="home.review.update")
      */
     public function updateAction($id)
     {
@@ -51,7 +51,7 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Post("/{id}/delete", name="home.review.delete")
+     * @Post("/{id:[0-9]+}/delete", name="home.review.delete")
      */
     public function deleteAction($id)
     {
@@ -63,7 +63,7 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Post("/{id}/agree", name="home.review.agree")
+     * @Post("/{id:[0-9]+}/agree", name="home.review.agree")
      */
     public function agreeAction($id)
     {
@@ -75,7 +75,7 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Post("/{id}/oppose", name="home.review.oppose")
+     * @Post("/{id:[0-9]+}/oppose", name="home.review.oppose")
      */
     public function opposeAction($id)
     {
@@ -87,7 +87,7 @@ class ReviewController extends Controller
     }
 
     /**
-     * @Post("/{id}/reply", name="home.review.reply")
+     * @Post("/{id:[0-9]+}/reply", name="home.review.reply")
      */
     public function replyAction($id)
     {
diff --git a/app/Http/Home/Controllers/UserController.php b/app/Http/Home/Controllers/UserController.php
index b2386694..e7cb4da4 100644
--- a/app/Http/Home/Controllers/UserController.php
+++ b/app/Http/Home/Controllers/UserController.php
@@ -9,7 +9,7 @@ class UserController extends Controller
 {
 
     /**
-     * @Get("/{id}", name="home.user.show")
+     * @Get("/{id:[0-9]+}", name="home.user.show")
      */
     public function showAction($id)
     {
@@ -17,7 +17,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Get("/{id}/courses", name="home.user.courses")
+     * @Get("/{id:[0-9]+}/courses", name="home.user.courses")
      */
     public function coursesAction($id)
     {
@@ -25,7 +25,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Get("/{id}/following", name="home.user.following")
+     * @Get("/{id:[0-9]+}/following", name="home.user.following")
      */
     public function followingAction($id)
     {
@@ -33,7 +33,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Get("/{id}/followers", name="home.user.followers")
+     * @Get("/{id:[0-9]+}/followers", name="home.user.followers")
      */
     public function followersAction($id)
     {
@@ -41,7 +41,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Post("/{id}/follow", name="home.user.follow")
+     * @Post("/{id:[0-9]+}/follow", name="home.user.follow")
      */
     public function followAction($id)
     {
@@ -49,7 +49,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Post("/{id}/unfollow", name="home.user.unfollow")
+     * @Post("/{id:[0-9]+}/unfollow", name="home.user.unfollow")
      */
     public function unfollowAction($id)
     {
@@ -57,7 +57,7 @@ class UserController extends Controller
     }
 
     /**
-     * @Post("/{id}/message", name="home.user.message")
+     * @Post("/{id:[0-9]+}/message", name="home.user.message")
      */
     public function messageAction($id)
     {
diff --git a/app/Http/Home/Module.php b/app/Http/Home/Module.php
index 9380a582..646fe4ca 100644
--- a/app/Http/Home/Module.php
+++ b/app/Http/Home/Module.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Home;
 
+use App\Http\Home\Services\AuthUser;
 use Phalcon\DiInterface;
 use Phalcon\Mvc\ModuleDefinitionInterface;
 use Phalcon\Mvc\View;
@@ -24,5 +25,10 @@ class Module implements ModuleDefinitionInterface
             ]);
             return $view;
         });
+
+        $di->setShared('auth', function () {
+            $authUser = new AuthUser();
+            return $authUser;
+        });
     }
 }
diff --git a/app/Http/Home/Services/AuthUser.php b/app/Http/Home/Services/AuthUser.php
new file mode 100644
index 00000000..e6e94165
--- /dev/null
+++ b/app/Http/Home/Services/AuthUser.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Http\Home\Services;
+
+use App\Models\User as UserModel;
+
+class AuthUser extends \Phalcon\Mvc\User\Component
+{
+
+    /**
+     * 写入会话
+     *
+     * @param UserModel $user
+     */
+    public function setAuthInfo(UserModel $user)
+    {
+        $authKey = $this->getAuthKey();
+
+        $authUser = new \stdClass();
+
+        $authUser->id = $user->id;
+        $authUser->name = $user->name;
+        $authUser->avatar = $user->avatar;
+        $authUser->admin_role = $user->admin_role;
+        $authUser->edu_role = $user->edu_role;
+
+        $this->session->set($authKey, $authUser);
+    }
+
+    /**
+     * 清除会话
+     */
+    public function removeAuthInfo()
+    {
+        $authKey = $this->getAuthKey();
+
+        $this->session->remove($authKey);
+    }
+
+    /**
+     * 读取会话
+     *
+     * @return mixed
+     */
+    public function getAuthInfo()
+    {
+        $authKey = $this->getAuthKey();
+
+        return $this->session->get($authKey);
+    }
+
+    /**
+     * 获取会话键值
+     *
+     * @return string
+     */
+    public function getAuthKey()
+    {
+        return 'user_info';
+    }
+
+}
diff --git a/app/Http/Home/Services/Category.php b/app/Http/Home/Services/Category.php
index ba65a4fb..43d16f91 100644
--- a/app/Http/Home/Services/Category.php
+++ b/app/Http/Home/Services/Category.php
@@ -2,12 +2,12 @@
 
 namespace App\Http\Home\Services;
 
+use App\Builders\CourseList as CourseListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Models\Category as CategoryModel;
 use App\Models\Course as CourseModel;
 use App\Repos\Category as CategoryRepo;
 use App\Repos\Course as CourseRepo;
-use App\Transformers\CourseList as CourseListTransformer;
 use App\Validators\Course as CourseFilter;
 
 class Category extends Service
@@ -79,7 +79,7 @@ class Category extends Service
     {
         if ($pager->total_items > 0) {
 
-            $builder = new CourseListTransformer();
+            $builder = new CourseListBuilder();
 
             $pipeA = $pager->items->toArray();
 
diff --git a/app/Http/Home/Services/Chapter.php b/app/Http/Home/Services/Chapter.php
index c071f5f8..fdebae6a 100644
--- a/app/Http/Home/Services/Chapter.php
+++ b/app/Http/Home/Services/Chapter.php
@@ -2,16 +2,16 @@
 
 namespace App\Http\Home\Services;
 
+use App\Builders\CommentList as CommentListBuilder;
 use App\Exceptions\BadRequest as BadRequestException;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Models\Comment as CommentModel;
 use App\Repos\Chapter as ChapterRepo;
+use App\Repos\ChapterLike as ChapterVoteRepo;
 use App\Repos\ChapterUser as ChapterUserRepo;
-use App\Repos\ChapterVote as ChapterVoteRepo;
 use App\Repos\Comment as CommentRepo;
 use App\Repos\Course as CourseRepo;
 use App\Repos\Video as VideoRepo;
-use App\Transformers\CommentList as CommentListTransformer;
 use App\Validators\Chapter as ChapterFilter;
 
 class Chapter extends Service
@@ -153,7 +153,7 @@ class Chapter extends Service
     {
         if ($pager->total_items > 0) {
 
-            $builder = new CommentListTransformer();
+            $builder = new CommentListBuilder();
 
             $pipeA = $pager->items->toArray();
 
diff --git a/app/Http/Home/Services/ChapterAdmin.php b/app/Http/Home/Services/ChapterAdmin.php
deleted file mode 100644
index fe69b6c1..00000000
--- a/app/Http/Home/Services/ChapterAdmin.php
+++ /dev/null
@@ -1,180 +0,0 @@
-<?php
-
-namespace App\Http\Home\Services;
-
-use App\Models\Chapter as ChapterModel;
-use App\Repos\Chapter as ChapterRepo;
-use App\Repos\Course as CourseRepo;
-use App\Validators\Chapter as ChapterFilter;
-
-class ChapterAdmin extends Service
-{
-
-    public function getChapter($id)
-    {
-        $chapter = $this->findOrFail($id);
-
-        return $chapter;
-    }
-
-    public function getCourse($courseId)
-    {
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->findById($courseId);
-
-        return $course;
-    }
-
-    public function getTopChapters($courseId)
-    {
-        $courseRepo = new CourseRepo();
-
-        $result = $courseRepo->findTopChapters($courseId);
-
-        return $result;
-    }
-
-    public function create()
-    {
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new ChapterFilter();
-
-        $data = [];
-
-        $data['course_id'] = $filter->checkCourseId($post['course_id']);
-        $data['title'] = $filter->checkTitle($post['title']);
-        $data['summary'] = $filter->checkSummary($post['summary']);
-        $data['free'] = $filter->checkFree($post['free']);
-
-        $chapterRepo = new ChapterRepo();
-
-        if (isset($post['parent_id'])) {
-            $data['parent_id'] = $filter->checkParentId($post['parent_id']);
-            $data['priority'] = $chapterRepo->maxSectionPriority($data['parent_id']);
-        } else {
-            $data['priority'] = $chapterRepo->maxChapterPriority($data['course_id']);
-        }
-
-        $data['priority'] += 1;
-        $data['user_id'] = $user->id;
-        $data['status'] = ChapterModel::STATUS_DRAFT;
-
-        $chapter = $chapterRepo->create($data);
-
-        if ($chapter->parent_id > 0) {
-
-            $service = new ChapterContent();
-
-            $service->create($chapter);
-
-            $this->updateChapterCount($chapter);
-        }
-
-        return $chapter;
-    }
-
-    public function update($id)
-    {
-        $chapter = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new ChapterFilter();
-
-        $filter->checkOwner($user->id, $chapter->user_id);
-
-        $data = [];
-
-        if (isset($post['title'])) {
-            $data['title'] = $filter->checkTitle($post['title']);
-        }
-
-        if (isset($post['summary'])) {
-            $data['summary'] = $filter->checkSummary($post['summary']);
-        }
-
-        if (isset($post['free'])) {
-            $data['free'] = $filter->checkFree($post['free']);
-        }
-
-        if (isset($post['priority'])) {
-            $data['priority'] = $filter->checkPriority($post['priority']);
-        }
-
-        $chapter->update($data);
-
-        return $chapter;
-    }
-
-    public function delete($id)
-    {
-        $chapter = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $filter = new ChapterFilter();
-
-        $filter->checkOwner($user->id, $chapter->user_id);
-        
-        if ($chapter->status == ChapterModel::STATUS_DELETED) {
-            return;
-        }
-
-        $chapter->status = ChapterModel::STATUS_DELETED;
-
-        $chapter->update();
-
-        $this->updateChapterCount($chapter);
-    }
-
-    public function getContent($id)
-    {
-        $service = new ChapterContent();
-
-        $chapter = $this->findOrFail($id);
-
-        $result = $service->get($chapter);
-
-        return $result;
-    }
-
-    public function updateContent($id)
-    {
-        $service = new ChapterContent();
-
-        $chapter = $this->findOrFail($id);
-
-        $result = $service->update($chapter);
-
-        return $result;
-    }
-
-    private function findOrFail($id)
-    {
-        $repo = new ChapterRepo();
-
-        $result = $repo->findOrFail($id);
-
-        return $result;
-    }
-
-    private function updateChapterCount($chapter)
-    {
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->findById($chapter->course_id);
-
-        $chapterCount = $courseRepo->countChapters($course->id);
-
-        $course->chapter_count = $chapterCount;
-
-        $course->update();
-    }
-
-}
diff --git a/app/Http/Home/Services/ChapterContentAdmin.php b/app/Http/Home/Services/ChapterContentAdmin.php
deleted file mode 100644
index 462e9930..00000000
--- a/app/Http/Home/Services/ChapterContentAdmin.php
+++ /dev/null
@@ -1,234 +0,0 @@
-<?php
-
-namespace App\Http\Admin\Services;
-
-use App\Models\ChapterArticle as ChapterArticleModel;
-use App\Models\ChapterLive as ChapterLiveModel;
-use App\Models\ChapterVideo as ChapterVideoModel;
-use App\Models\Course as CourseModel;
-use App\Repos\ChapterArticle as ChapterArticleRepo;
-use App\Repos\ChapterLive as ChapterLiveRepo;
-use App\Repos\ChapterVideo as ChapterVideoRepo;
-use App\Repos\Course as CourseRepo;
-use App\Validators\ChapterArticle as ChapterArticleFilter;
-use App\Validators\ChapterLive as ChapterLiveFilter;
-use App\Validators\ChapterVod as ChapterVideoFilter;
-
-class ChapterContentAdmin extends Service
-{
-
-    public function get($chapter)
-    {
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->findById($chapter->course_id);
-
-        $result = null;
-
-        switch ($course->model) {
-
-            case CourseModel::MODEL_VIDEO:
-                $result = $this->getVideo($chapter);
-                break;
-
-            case CourseModel::MODEL_LIVE:
-                $result = $this->getLive($chapter);
-                break;
-
-            case CourseModel::MODEL_ARTICLE:
-                $result = $this->getArticle($chapter);
-                break;
-        }
-
-        return $result;
-    }
-
-    public function create($chapter)
-    {
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->findById($chapter->course_id);
-
-        $result = null;
-
-        switch ($course->model) {
-
-            case CourseModel::MODEL_VIDEO:
-                $result = $this->createVideo($chapter);
-                break;
-
-            case CourseModel::MODEL_LIVE:
-                $result = $this->createLive($chapter);
-                break;
-
-            case CourseModel::MODEL_ARTICLE:
-                $result = $this->createArticle($chapter);
-                break;
-        }
-
-        return $result;
-    }
-
-    public function update($chapter)
-    {
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->findById($chapter->course_id);
-
-        $result = null;
-
-        switch ($course->model) {
-
-            case CourseModel::MODEL_VIDEO:
-                $result = $this->updateVideo($chapter);
-                break;
-
-            case CourseModel::MODEL_LIVE:
-                $result = $this->updateLive($chapter);
-                break;
-
-            case CourseModel::MODEL_ARTICLE:
-                $result = $this->updateArticle($chapter);
-                break;
-        }
-
-        return $result;
-    }
-
-    private function getVideo($chapter)
-    {
-        $videoRepo = new ChapterVideoRepo();
-
-        $video = $videoRepo->findOriginChapterVideo($chapter->id);
-
-        return $video;
-    }
-
-    private function getArticle($chapter)
-    {
-        $articleRepo = new ChapterArticleRepo();
-
-        $article = $articleRepo->findByChapterId($chapter->id);
-
-        return $article;
-    }
-
-    private function getLive($chapter)
-    {
-        $liveRepo = new ChapterLiveRepo();
-
-        $live = $liveRepo->findByChapterId($chapter->id);
-
-        $startTime = strtotime(date('y-m-d'));
-        $endTime = $startTime + 3600;
-
-        if ($live->start_time == 0) {
-            $live->start_time = $startTime;
-        }
-
-        if ($live->end_time == 0) {
-            $live->end_time = $endTime;
-        }
-
-        return $live;
-    }
-
-    private function createVideo($chapter)
-    {
-        $video = new ChapterVideoModel();
-
-        $video->chapter_id = $chapter->id;
-        $video->definition = ChapterVideoModel::DFN_ORG;
-
-        $video->create();
-
-        return $video;
-    }
-
-    private function createLive($chapter)
-    {
-        $live = new ChapterLiveModel();
-
-        $live->chapter_id = $chapter->id;
-
-        $live->create();
-
-        return $live;
-    }
-
-    private function createArticle($chapter)
-    {
-        $article = new ChapterArticleModel();
-
-        $article->chapter_id = $chapter->id;
-        $article->content_markdown = '';
-        $article->content_html = '';
-
-        $article->create();
-
-        return $article;
-    }
-
-    private function updateVideo($chapter)
-    {
-        $post = $this->request->getPost();
-
-        $filter = new ChapterVideoFilter();
-
-        $data = [];
-
-        $data['play_url'] = $filter->checkPlayUrl($post['play_url']);
-
-        $videoRepo = new ChapterVideoRepo();
-
-        $video = $videoRepo->findOriginChapterVideo($chapter->id);
-
-        if ($video->play_url != $data['play_url']) {
-            $video->update($data);
-        }
-
-        return $video;
-    }
-
-    private function updateLive($chapter)
-    {
-        $post = $this->request->getPost();
-
-        $filter = new ChapterLiveFilter();
-
-        $data = [];
-
-        $liveTime = $filter->checkLiveTime($post['start_time'], $post['end_time']);
-
-        $data['start_time'] = $liveTime['start_time'];
-        $data['end_time'] = $liveTime['end_time'];
-
-        $liveRepo = new ChapterLiveRepo();
-
-        $live = $liveRepo->findByChapterId($chapter->id);
-
-        $live->update($data);
-
-        return $live;
-    }
-
-    private function updateArticle($chapter)
-    {
-        $post = $this->request->getPost();
-
-        $filter = new ChapterArticleFilter();
-
-        $data = [];
-
-        $data['content_html'] = $filter->checkContent($post['content']);
-
-        $articleRepo = new ChapterArticleRepo();
-
-        $article = $articleRepo->findByChapterId($chapter->id);
-
-        $article->update($data);
-
-        return $article;
-    }
-
-}
diff --git a/app/Http/Home/Services/Comment.php b/app/Http/Home/Services/Comment.php
deleted file mode 100644
index 48e17097..00000000
--- a/app/Http/Home/Services/Comment.php
+++ /dev/null
@@ -1,198 +0,0 @@
-<?php
-
-namespace App\Http\Home\Services;
-
-use App\Exceptions\BadRequest as BadRequestException;
-use App\Library\Paginator\Query as PagerQuery;
-use App\Models\Comment as CommentModel;
-use App\Repos\Chapter as ChapterRepo;
-use App\Repos\Comment as CommentRepo;
-use App\Repos\CommentVote as CommentVoteRepo;
-use App\Repos\Course as CourseRepo;
-use App\Repos\User as UserRepo;
-use App\Transformers\CommentList as CommentListTransformer;
-use App\Validators\Comment as CommentFilter;
-
-class Comment extends Service
-{
-    
-    public function create()
-    {
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new CommentFilter();
-
-        $data = [];
-
-        $data['user_id'] = $user->id;
-        $data['chapter_id'] = $filter->checkChapterId($post['chapter_id']);
-        $data['content'] = $filter->checkContent($post['content']);
-
-        if (!empty($post['parent_id'])) {
-            $data['parent_id'] = $filter->checkParentId($post['parent_id']);
-        }
-
-        if (!empty($post['to_user_id'])) {
-            $data['to_user_id'] = $filter->checkToUserId($post['to_user_id']);
-        }
-        
-        $chapterRepo = new ChapterRepo();
-        
-        $chapter = $chapterRepo->findById($data['chapter_id']);
-        
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->findById($chapter->course_id);
-        
-        $data['course_id'] = $course->id;
-
-        $commentRepo = new CommentRepo();
-
-        $comment = $commentRepo->create($data);
-
-        $chapter->comment_count += 1;
-
-        $chapter->update();
-
-        $course->comment_count += 1;
-
-        $course->update();
-
-        return $comment;
-    }
-    
-    public function getComment($id)
-    {
-        $comment = $this->findOrFail($id);
-
-        return $this->handleComment($comment);
-    }
-
-    public function getReplies($id)
-    {
-        $comment = $this->findOrFail($id);
-
-        $pagerQuery = new PagerQuery();
-
-        $sort = $pagerQuery->getSort();
-        $page = $pagerQuery->getPage();
-        $limit = $pagerQuery->getLimit();
-
-        $where = [
-            'parent_id' => $comment->id,
-            'status' => CommentModel::STATUS_NORMAL,
-        ];
-
-        $commentRepo = new CommentRepo();
-
-        $pager = $commentRepo->paginate($where, $sort, $page, $limit);
-
-        $pager = $pager->paginate();
-
-        return $this->handleReplies($pager);
-    }
-
-    public function delete($id)
-    {
-        $comment = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $filter = new CommentFilter();
-
-        $filter->checkOwner($user->id, $comment->user_id);
-        
-        if ($comment->status == CommentModel::STATUS_DELETED) {
-            return;
-        }
-
-        $comment->status = CommentModel::STATUS_DELETED;
-
-        $comment->update();
-    }
-
-    public function agree($id)
-    {
-        $comment = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $voteRepo = new CommentVoteRepo();
-
-        $vote = $voteRepo->find($user->id, $comment->id);
-
-        if ($vote) {
-            throw new BadRequestException('comment.has_voted');
-        }
-
-        $voteRepo->agree($user->id, $comment->id);
-
-        $comment->agree_count += 1;
-
-        $comment->update();
-    }
-
-    public function oppose($id)
-    {
-        $comment = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $voteRepo = new CommentVoteRepo();
-
-        $vote = $voteRepo->find($user->id, $comment->id);
-
-        if ($vote) {
-            throw new BadRequestException('comment.has_voted');
-        }
-
-        $voteRepo->oppose($user->id, $comment->id);
-
-        $comment->oppose_count += 1;
-
-        $comment->update();
-    }
-
-    private function findOrFail($id)
-    {
-        $repo = new CommentRepo();
-
-        $result = $repo->findOrFail($id);
-
-        return $result;
-    }
-
-    private function handleComment($comment)
-    {
-        $result = $comment->toArray();
-
-        $userRepo = new UserRepo();
-
-        $user = $userRepo->findShallowUser($comment->user_id);
-
-        $result['user'] = $user->toArray();
-
-        return (object) $result;
-    }
-
-    private function handleReplies($pager)
-    {
-        if ($pager->total_items > 0) {
-
-            $builder = new CommentListTransformer();
-
-            $pipeA = $pager->items->toArray();
-
-            $pipeB = $builder->handleUsers($pipeA);
-
-            $pipeC = $builder->arrayToObject($pipeB);
-
-            $pager->items = $pipeC;
-        }
-
-        return $pager;
-    }
-
-}
diff --git a/app/Http/Home/Services/Consult.php b/app/Http/Home/Services/Consult.php
deleted file mode 100644
index 73c6adb5..00000000
--- a/app/Http/Home/Services/Consult.php
+++ /dev/null
@@ -1,174 +0,0 @@
-<?php
-
-namespace App\Http\Home\Services;
-
-use App\Exceptions\BadRequest as BadRequestException;
-use App\Models\Consult as ConsultModel;
-use App\Repos\Consult as ConsultRepo;
-use App\Repos\ConsultVote as ConsultVoteRepo;
-use App\Repos\Course as CourseRepo;
-use App\Repos\User as UserRepo;
-use App\Validators\Consult as ConsultFilter;
-
-class Consult extends Service
-{
-    
-    public function create()
-    {
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new ConsultFilter();
-
-        $data = [];
-
-        $data['user_id'] = $user->id;
-        $data['course_id'] = $filter->checkCourseId($post['course_id']);
-        $data['content'] = $filter->checkContent($post['content']);
-
-        $consultRepo = new ConsultRepo();
-
-        $consult = $consultRepo->create($data);
-        
-        $courseRepo = new CourseRepo();
-        
-        $course = $courseRepo->findById($data['course_id']);
-
-        $course->consult_count += 1;
-
-        $course->update();
-
-        return $consult;
-    }
-    
-    public function getConsult($id)
-    {
-        $consult = $this->findOrFail($id);
-
-        return $this->handleConsult($consult);
-    }
-    
-    public function update($id)
-    {
-        $consult = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new ConsultFilter();
-
-        $filter->checkOwner($user->id, $consult->user_id);
-
-        $content = $filter->checkContent($post['content']);
-
-        $consult->content = $content;
-
-        return $consult;
-    }
-
-    public function delete($id)
-    {
-        $consult = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $filter = new ConsultFilter();
-
-        $filter->checkOwner($user->id, $consult->user_id);
-        
-        if ($consult->status == ConsultModel::STATUS_DELETED) {
-            return;
-        }
-
-        $consult->status = ConsultModel::STATUS_DELETED;
-        
-        $consult->update();
-    }
-
-    public function agree($id)
-    {
-        $consult = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $voteRepo = new ConsultVoteRepo();
-
-        $vote = $voteRepo->find($user->id, $consult->id);
-
-        if ($vote) {
-            throw new BadRequestException('consult.has_voted');
-        }
-
-        $voteRepo->agree($user->id, $consult->id);
-
-        $consult->agree_count += 1;
-
-        $consult->update();
-    }
-
-    public function oppose($id)
-    {
-        $consult = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $voteRepo = new ConsultVoteRepo();
-
-        $vote = $voteRepo->find($user->id, $consult->id);
-
-        if ($vote) {
-            throw new BadRequestException('consult.has_voted');
-        }
-
-        $voteRepo->oppose($user->id, $consult->id);
-
-        $consult->oppose_count += 1;
-
-        $consult->update();
-    }
-
-    public function reply($id)
-    {
-        $consult = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new ConsultFilter();
-
-        $filter->checkOwner($user->id, $consult->user_id);
-
-        $reply = $filter->checkReply($post['reply']);
-
-        $consult->reply = $reply;
-        $consult->reply_time = time();
-
-        $consult->update();
-    }
-
-    private function findOrFail($id)
-    {
-        $repo = new ConsultRepo();
-
-        $result = $repo->findOrFail($id);
-
-        return $result;
-    }
-
-    private function handleConsult($consult)
-    {
-        $result = $consult->toArray();
-
-        $userRepo = new UserRepo();
-
-        $user = $userRepo->findShallowUser($consult->user_id);
-
-        $result['user'] = $user->toArray();
-
-        return (object) $result;
-    }
-
-}
diff --git a/app/Http/Home/Services/Course.php b/app/Http/Home/Services/Course.php
index 818a108c..f1571fa2 100644
--- a/app/Http/Home/Services/Course.php
+++ b/app/Http/Home/Services/Course.php
@@ -2,101 +2,74 @@
 
 namespace App\Http\Home\Services;
 
-use App\Exceptions\BadRequest as BadRequestException;
+use App\Builders\ChapterList as ChapterTreeBuilder;
+use App\Builders\CourseList as CourseListBuilder;
+use App\Builders\ReviewList as ReviewListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
-use App\Models\Comment as CommentModel;
-use App\Models\Consult as ConsultModel;
-use App\Models\Course as CourseModel;
+use App\Models\CourseFavorite as FavoriteModel;
 use App\Models\Review as ReviewModel;
-use App\Repos\Consult as ConsultRepo;
 use App\Repos\Course as CourseRepo;
-use App\Repos\CourseFavorite as CourseFavoriteRepo;
-use App\Repos\CourseStudent as CourseUserRepo;
+use App\Repos\CourseFavorite as FavoriteRepo;
+use App\Repos\CourseUser as CourseUserRepo;
 use App\Repos\Review as ReviewRepo;
-use App\Repos\User as UserRepo;
-use App\Transformers\ChapterList as ChapterListTransformer;
-use App\Transformers\CommentList as CommentListTransformer;
-use App\Transformers\ConsultList as ConsultListTransformer;
-use App\Transformers\CourseUserList as CourseUserListTransformer;
-use App\Transformers\ReviewList as ReviewListTransformer;
+use App\Validators\Course as CourseValidator;
+use App\Validators\Review as ReviewValidator;
 
 class Course extends Service
 {
 
-    public function getCategoryPaths($categoryId)
+    public function getCourses()
     {
-        $categoryRepo = new CategoryRepo();
+        $pagerQuery = new PagerQuery();
 
-        $category = $categoryRepo->findById($categoryId);
+        $params = $pagerQuery->getParams();
 
-        $ids = explode(',', trim($category->path, ','));
-
-        $categories = $categoryRepo->findByIds($ids, ['id', 'name']);
-
-        $paths = [];
-
-        foreach ($categories as $category) {
-            $paths[] = $category->name;
+        if (!empty($params['category_id'])) {
+            $params['category_id'] = $this->getChildCategoryIds($params['category_id']);
         }
 
-        return implode(' > ', $paths);
+        $params['published'] = 1;
+        $params['deleted'] = 0;
+
+        $sort = $pagerQuery->getSort();
+        $page = $pagerQuery->getPage();
+        $limit = $pagerQuery->getLimit();
+
+        $courseRepo = new CourseRepo();
+        $pager = $courseRepo->paginate($params, $sort, $page, $limit);
+
+        return $this->handleCourses($pager);
     }
 
     public function getCourse($id)
     {
-        $course = $this->findOrFail($id);
+        $course = $this->checkCourseCache($id);
 
         $user = $this->getCurrentUser();
 
-        return $this->handleCourse($user, $course);
+        return $this->handleCourse($course, $user);
     }
 
     public function getChapters($id)
     {
-        $course = $this->findOrFail($id);
+        $course = $this->checkCourseCache($id);
 
         $user = $this->getCurrentUser();
 
         $courseRepo = new CourseRepo();
 
-        $topChapters = $courseRepo->findTopChapters($course->id);
+        $chapters = $courseRepo->findChapters($course->id);
 
-        $subChapters = $courseRepo->findSubChapters($course->id, $course->model);
-
-        $myChapters = null;
-
-        if ($user->id > 0) {
-            $myChapters = $courseRepo->findUserChapters($user->id, $course->id);
+        if ($chapters->count() == 0) {
+            return [];
         }
 
-        return $this->handleChapters($topChapters, $subChapters, $myChapters);
-    }
-
-    public function getConsults($id)
-    {
-        $course = $this->findOrFail($id);
-
-        $pagerQuery = new PagerQuery();
-
-        $sort = $pagerQuery->getSort();
-        $page = $pagerQuery->getPage();
-        $limit = $pagerQuery->getLimit();
-
-        $where = [
-            'course_id' => $course->id,
-            'status' => ConsultModel::STATUS_NORMAL,
-        ];
-
-        $consultRepo = new ConsultRepo();
-
-        $pager = $consultRepo->paginate($where, $sort, $page, $limit);
-
-        return $this->handleConsults($pager);
+        return $this->handleChapters($chapters, $course, $user);
     }
 
     public function getReviews($id)
     {
-        $course = $this->findOrFail($id);
+        $course = $this->checkCourseCache($id);
 
         $pagerQuery = new PagerQuery();
 
@@ -106,7 +79,8 @@ class Course extends Service
 
         $where = [
             'course_id' => $course->id,
-            'status' => ReviewModel::STATUS_NORMAL,
+            'published' => 1,
+            'deleted' => 0,
         ];
 
         $reviewRepo = new ReviewRepo();
@@ -116,139 +90,124 @@ class Course extends Service
         return $this->handleReviews($pager);
     }
 
-    public function getComments($id)
+    public function reviewCourse($id)
     {
-        $course = $this->findOrFail($id);
+        $post = $this->request->getPost();
 
-        $pagerQuery = new PagerQuery();
+        $course = $this->checkCourse($id);
 
-        $sort = $pagerQuery->getSort();
-        $page = $pagerQuery->getPage();
-        $limit = $pagerQuery->getLimit();
+        $user = $this->getLoginUser();
 
-        $where = [
-            'course_id' => $course->id,
-            'status' => CommentModel::STATUS_NORMAL,
-        ];
+        $validator = new ReviewValidator();
 
-        $commentRepo = new CommentRepo();
+        $rating = $validator->checkRating($post['rating']);
+        $content = $validator->checkContent($post['content']);
 
-        $pager = $commentRepo->paginate($where, $sort, $page, $limit);
+        $reviewRepo = new ReviewRepo();
 
-        return $this->handleComments($pager);
-    }
+        $review = $reviewRepo->findReview($course->id, $user->id);
 
-    public function getUsers($id)
-    {
-        $course = $this->findOrFail($id);
+        if (!$review) {
+            $review = new ReviewModel();
+            $review->course_id = $course->id;
+            $review->user_id = $user->id;
+            $review->rating = $rating;
+            $review->content = $content;
+            $review->create();
 
-        $pagerQuery = new PagerQuery();
-
-        $sort = $pagerQuery->getSort();
-        $page = $pagerQuery->getPage();
-        $limit = $pagerQuery->getLimit();
-
-        $where = ['course_id' => $course->id];
-
-        $courseUserRepo = new CourseUserRepo();
-
-        $pager = $courseUserRepo->paginate($where, $sort, $page, $limit);
-
-        return $this->handleUsers($pager);
-    }
-
-    public function favorite($id)
-    {
-        $course = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $favoriteRepo = new CourseFavoriteRepo();
-
-        $favorite = $favoriteRepo->find($user->id, $course->id);
-
-        if ($favorite) {
-            throw new BadRequestException('course.favorite_existed');
+            $course->review_count += 1;
+            $course->update();
+        } else {
+            $review->rating = $rating;
+            $review->content = $content;
+            $review->update();
         }
-
-        $favoriteRepo->create($user->id, $course->id);
-
-        $course->favorite_count += 1;
-        $course->update();
     }
 
-    public function undoFavorite($id)
+    public function favoriteCourse($id)
     {
-        $course = $this->findOrFail($id);
+        $course = $this->checkCourse($id);
 
-        $user = $this->getLoggedUser();
+        $user = $this->getLoginUser();
 
-        $favoriteRepo = new CourseFavoriteRepo();
+        $favoriteRepo = new FavoriteRepo();
 
-        $favorite = $favoriteRepo->find($user->id, $course->id);
+        $favorite = $favoriteRepo->findFavorite($course->id, $user->id);
 
         if (!$favorite) {
-            throw new BadRequestException('course.favorite_not_existed');
-        }
 
-        $favorite->delete();
+            $favorite = new FavoriteModel();
+            $favorite->course_id = $course->id;
+            $favorite->user_id = $user->id;
+            $favorite->create();
 
-        $course->favorite_count -= 1;
-        $course->update();
-    }
+            $course->favorite_count += 1;
+            $course->update();
 
-    public function apply($id)
-    {
-        $course = $this->findOrFail($id);
+        } else {
 
-        $user = $this->getLoggedUser();
+            if ($favorite->deleted == 0) {
+                $favorite->deleted = 1;
+                $course->favorite_count -= 1;
+            } else {
+                $favorite->deleted = 0;
+                $course->favorite_count += 1;
+            }
 
-        if ($course->status != CourseModel::STATUS_APPROVED) {
-            throw new BadRequestException('course.apply_unpublished_course');
-        }
-
-        if ($course->price > 0) {
-            throw new BadRequestException('course.apply_priced_course');
-        }
-
-        $courseUserRepo = new CourseUserRepo();
-
-        $courseUser = $courseUserRepo->find($user->id, $course->id);
-
-        $expired = $courseUser->expire_time < time();
-
-        if ($courseUser && !$expired) {
-            throw new BadRequestException('course.has_applied');
-        }
-
-        $expireTime = time() + 86400 * $course->expiry;
-
-        $courseUserRepo->create([
-            'user_id' => $user->id,
-            'course_id' => $course->id,
-            'expire_time' => $expireTime,
-        ]);
-
-        if (!$courseUser) {
-            $course->user_count += 1;
+            $favorite->update();
             $course->update();
         }
     }
 
-    private function findOrFail($id)
+    protected function checkCourse($id)
     {
-        $repo = new CourseRepo();
+        $validator = new CourseValidator();
 
-        $result = $repo->findOrFail($id);
+        $course = $validator->checkCourse($id);
 
-        return $result;
+        return $course;
     }
 
-    private function handleConsults($pager)
+    protected function checkCourseCache($id)
+    {
+        $validator = new CourseValidator();
+
+        $course = $validator->checkCourseCache($id);
+
+        return $course;
+    }
+
+    protected function getChildCategoryIds($id)
+    {
+        $categoryService = new \App\Services\Category();
+
+        $childIds = $categoryService->getChildIds($id);
+
+        return $childIds;
+    }
+
+    protected function handleCourses($pager)
     {
         if ($pager->total_items > 0) {
 
-            $builder = new ConsultListTransformer();
+            $builder = new CourseListBuilder();
+
+            $pipeA = $pager->items->toArray();
+            $pipeB = $builder->handleCourses($pipeA);
+            $pipeC = $builder->handleCategories($pipeB);
+            $pipeD = $builder->arrayToObject($pipeC);
+
+            $pager->items = $pipeD;
+        }
+
+        return $pager;
+    }
+
+    protected function handleReviews($pager)
+    {
+        if ($pager->total_items > 0) {
+
+            $builder = new ReviewListBuilder();
 
             $pipeA = $pager->items->toArray();
 
@@ -262,113 +221,77 @@ class Course extends Service
         return $pager;
     }
 
-    private function handleReviews($pager)
-    {
-        if ($pager->total_items > 0) {
-
-            $builder = new ReviewListTransformer();
-
-            $pipeA = $pager->items->toArray();
-
-            $pipeB = $builder->handleUsers($pipeA);
-
-            $pipeC = $builder->arrayToObject($pipeB);
-
-            $pager->items = $pipeC;
-        }
-
-        return $pager;
-    }
-
-    private function handleComments($pager)
-    {
-        if ($pager->total_items > 0) {
-
-            $builder = new CommentListTransformer();
-
-            $pipeA = $pager->items->toArray();
-
-            $pipeB = $builder->handleUsers($pipeA);
-
-            $pipeC = $builder->arrayToObject($pipeB);
-
-            $pager->items = $pipeC;
-        }
-
-        return $pager;
-    }
-
-    private function handleUsers($pager)
-    {
-        if ($pager->total_items > 0) {
-
-            $builder = new CourseUserListTransformer();
-
-            $pipeA = $pager->items->toArray();
-
-            $pipeB = $builder->handleUsers($pipeA);
-
-            $pipeC = $builder->arrayToObject($pipeB);
-
-            $pager->items = $pipeC;
-        }
-
-        return $pager;
-    }
-
-    private function handleCourse($user, $course)
+    /**
+     * @param \App\Models\Course $course
+     * @param \App\Models\User $user
+     * @return object
+     */
+    protected function handleCourse($course, $user)
     {
         $result = $course->toArray();
 
-        $userRepo = new UserRepo();
+        $me = [
+            'reviewed' => 0,
+            'favorited' => 0,
+            'bought' => 0,
+            'progress' => 0,
+        ];
 
-        $user = $userRepo->findShallowUser($course->user_id);
+        if (!empty($user->id)) {
 
-        $result['user'] = $user->toArray();
+            $favoriteRepo = new FavoriteRepo();
 
-        $result['me']['favorited'] = 0;
-        $result['me']['bought'] = 0;
+            $favorite = $favoriteRepo->findFavorite($course->id, $user->id);
 
-        if ($user->id > 0) {
+            if ($favorite && $favorite->deleted == 0) {
+                $me['favorited'] = 1;
+            }
 
-            $cfRepo = new CourseFavoriteRepo();
+            $courseUserRepo = new CourseUserRepo();
 
-            $favorite = $cfRepo->find($user->id, $course->id);
+            $courseUser = $courseUserRepo->findCourseUser($course->id, $user->id);
 
-            $result['me']['favorited'] = $favorite ? 1 : 0;
-
-            $csRepo = new CourseUserRepo();
-
-            $cs = $csRepo->find($user->id, $course->id);
-
-            if ($cs && $cs->expire_time < time()) {
-                $result['me']['bought'] = 1;
-                $result['me']['finish_count'] = $cs->finish_count;
+            if ($courseUser) {
+                $me['reviewed'] = $courseUser->reviewed;
+                $me['progress'] = $courseUser->progress;
+                if ($courseUser->expire_time < time()) {
+                    $me['bought'] = 1;
+                }
             }
         }
 
-        return $result;
+        $result['me'] = $me;
+
+        return kg_array_object($result);
     }
 
-    private function handleChapters($topChapters, $subChapters, $myChapters)
+    /**
+     * @param array $chapters
+     * @param \App\Models\Course $course
+     * @param \App\Models\User $user
+     * @return object
+     */
+    protected function handleChapters($chapters, $course, $user)
     {
-        $chapters = array_merge($topChapters->toArray(), $subChapters->toArray());
+        $chapterList = $chapters->toArray();
 
-        $studyHistory = [];
+        $studyList = [];
 
-        if ($myChapters) {
-            $studyHistory = $myChapters->toArray();
+        if (!empty($user->id)) {
+            $courseRepo = new CourseRepo();
+            $userChapters = $courseRepo->findUserChapters($course->id, $user->id);
+            $studyList = $userChapters->toArray();
         }
 
-        $builder = new ChapterListTransformer();
+        $builder = new ChapterTreeBuilder();
 
-        $stepA = $builder->handleProcess($chapters, $studyHistory);
+        $stepA = $builder->handleProcess($chapterList, $studyList);
 
         $stepB = $builder->handleTree($stepA);
 
-        $result = $builder->arrayToObject($stepB);
+        $stepC = $builder->arrayToObject($stepB);
 
-        return $result;
+        return $stepC;
     }
 
 }
diff --git a/app/Http/Home/Services/CourseAdmin.php b/app/Http/Home/Services/CourseAdmin.php
deleted file mode 100644
index 950cb575..00000000
--- a/app/Http/Home/Services/CourseAdmin.php
+++ /dev/null
@@ -1,177 +0,0 @@
-<?php
-
-namespace App\Http\Home\Services;
-
-use App\Models\Category as CategoryModel;
-use App\Models\Course as CourseModel;
-use App\Repos\Category as CategoryRepo;
-use App\Repos\Course as CourseRepo;
-use App\Transformers\ChapterList as ChapterListTransformer;
-use App\Validators\Course as CourseFilter;
-
-class CourseAdmin extends Service
-{
-
-    public function getCourse($id)
-    {
-        $course = $this->findOrFail($id);
-
-        return $course;
-    }
-
-    public function getTopCategories()
-    {
-        $categoryRepo = new CategoryRepo();
-
-        $categories = $categoryRepo->find([
-            'parent_id' => 0,
-            'status' => CategoryModel::STATUS_NORMAL,
-        ]);
-
-        return $categories;
-    }
-
-    public function getChapters($id)
-    {
-        $course = $this->findOrFail($id);
-
-        $courseRepo = new CourseRepo();
-
-        $topChapters = $courseRepo->findTopChapters($id);
-
-        switch ($course->model) {
-
-            case CourseModel::MODEL_VIDEO:
-                $subChapters = $courseRepo->findVideoChapters($id);
-                break;
-
-            case CourseModel::MODEL_LIVE:
-                $subChapters = $courseRepo->findLiveChapters($id);
-                break;
-
-            case CourseModel::MODEL_ARTICLE:
-                $subChapters = $courseRepo->findArticleChapters($id);
-                break;
-        }
-
-        $result = $this->handleChapters($topChapters, $subChapters);
-
-        return $result;
-    }
-
-    public function create()
-    {
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new CourseFilter();
-
-        $data = [];
-
-        $data['user_id'] = $user->id;
-        $data['status'] = CourseModel::STATUS_DRAFT;
-        $data['category_id'] = $filter->checkCategoryId($post['category_id']);
-        $data['model'] = $filter->checkModel($post['model']);
-        $data['level'] = $filter->checkLevel($post['level']);
-        $data['title'] = $filter->checkTitle($post['title']);
-        $data['cover'] = $filter->checkCover($post['cover']);
-        $data['summary'] = $filter->checkSummary($post['summary']);
-        $data['keywords'] = $filter->checkKeywords($post['keywords']);
-        $data['price'] = $filter->checkPrice($post['price']);
-        $data['expiry'] = $filter->checkExpiry($post['expiry']);
-
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->create($data);
-
-        return $course;
-    }
-
-    public function update($id)
-    {
-        $course = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $post = $this->request->getPost();
-
-        $filter = new CourseFilter();
-
-        $filter->checkOwner($user->id, $course->user_id);
-
-        $data = [];
-
-        if (isset($post['category_id'])) {
-            $data['category_id'] = $filter->checkCategoryId($post['category_id']);
-        }
-
-        if (isset($post['level'])) {
-            $data['level'] = $filter->checkLevel($post['level']);
-        }
-
-        if (isset($post['title'])) {
-            $data['title'] = $filter->checkTitle($post['title']);
-        }
-
-        if (isset($post['cover'])) {
-            $data['cover'] = $filter->checkCover($post['cover']);
-        }
-
-        if (isset($post['summary'])) {
-            $data['summary'] = $filter->checkSummary($post['summary']);
-        }
-
-        if (isset($post['keywords'])) {
-            $data['keywords'] = $filter->checkKeywords($post['keywords']);
-        }
-
-        if (isset($post['price'])) {
-            $data['price'] = $filter->checkPrice($post['price']);
-        }
-
-        $course->update($data);
-
-        return $course;
-    }
-
-    public function delete($id)
-    {
-        $course = $this->findOrFail($id);
-
-        $user = $this->getLoggedUser();
-
-        $filter = new CourseFilter();
-
-        $filter->checkOwner($user->id, $course->user_id);
-
-        if ($course->status == CourseModel::STATUS_DELETED) {
-            return false;
-        }
-
-        $course->status = CourseModel::STATUS_DELETED;
-
-        $course->update();
-    }
-
-    private function findOrFail($id)
-    {
-        $repo = new CourseRepo();
-
-        $result = $repo->findOrFail($id);
-
-        return $result;
-    }
-
-    private function handleChapters($topChapters, $subChapters)
-    {
-        $chapters = array_merge($topChapters->toArray(), $subChapters->toArray());
-
-        $builder = new ChapterListTransformer();
-
-        $tree = $builder->handleTree($chapters);
-
-        return $builder->arrayToObject($tree);
-    }
-
-}
diff --git a/app/Http/Home/Services/Danmaku.php b/app/Http/Home/Services/Danmaku.php
deleted file mode 100644
index de620708..00000000
--- a/app/Http/Home/Services/Danmaku.php
+++ /dev/null
@@ -1,87 +0,0 @@
-<?php
-
-namespace App\Http\Home\Services;
-
-use App\Models\Danmaku as DanmakuModel;
-use App\Repos\Danmaku as DanmakuRepo;
-use App\Transformers\DanmakuList as DanmakuListTransformer;
-use App\Validators\Danmaku as DanmakuValidator;
-
-class Danmaku extends Service
-{
-
-    public function getChapterDanmakus($chapterId, $limit = 1000)
-    {
-        $danmakuRepo = new DanmakuRepo();
-
-        $params = [
-            'chapter_id' => $chapterId,
-            'published' => 1,
-            'deleted' => 0
-        ];
-
-        $pager = $danmakuRepo->paginate($params, 'latest', 1, $limit);
-
-        $result = $this->handleDanmakus($pager);
-
-        return $result;
-    }
-
-    public function createDanmaku()
-    {
-        $body = $this->request->getJsonRawBody();
-
-        $danmaku = new DanmakuModel();
-
-        $validator = new DanmakuValidator();
-
-        $data = [];
-
-        $chapter = $validator->checkChapter($body->id);
-
-        $user = $validator->checkUser($body->author, $body->token);
-
-        $validator->checkPostLimit($user->id);
-
-        $data['text'] = $validator->checkText($body->text);
-        $data['color'] = $validator->checkColor($body->color);
-        $data['type'] = $validator->checkType($body->type);
-        $data['time'] = $validator->checkTime($body->time);
-        $data['ip'] = $this->request->getClientAddress();
-        $data['course_id'] = $chapter->course_id;
-        $data['chapter_id'] = $chapter->id;
-        $data['user_id'] = $user->id;
-
-        $danmaku->create($data);
-
-        return $danmaku;
-    }
-
-    protected function handleDanmakus($pager)
-    {
-        if ($pager->total_items == 0) {
-            return [];
-        }
-
-        $transformer = new DanmakuListTransformer();
-
-        $items = $pager->items->toArray();
-
-        $danmakus = $transformer->handleUsers($items);
-
-        $result = [];
-
-        foreach ($danmakus as $danmaku) {
-            $result[] = [
-                $danmaku['time'],
-                $danmaku['type'],
-                $danmaku['color'],
-                $danmaku['user']['name'],
-                $danmaku['text'] . ' - by ' . $danmaku['user']['name'],
-            ];
-        }
-
-        return $result;
-    }
-
-}
diff --git a/app/Http/Home/Services/My.php b/app/Http/Home/Services/My.php
index b559a530..8b93a935 100644
--- a/app/Http/Home/Services/My.php
+++ b/app/Http/Home/Services/My.php
@@ -2,19 +2,19 @@
 
 namespace App\Http\Home\Services;
 
+use App\Builders\ConsultList as ConsultListBuilder;
+use App\Builders\CourseUserList as CourseUserListBuilder;
+use App\Builders\OrderList as OrderListBuilder;
+use App\Builders\ReviewList as ReviewListBuilder;
+use App\Builders\UserFavoriteList as FavoriteListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Models\Consult as ConsultModel;
 use App\Models\Review as ReviewModel;
 use App\Repos\Consult as ConsultRepo;
-use App\Repos\CourseFavorite as CourseFavoriteRepo;
+use App\Repos\CourseFavorite as FavoriteRepo;
 use App\Repos\CourseStudent as CourseUserRepo;
 use App\Repos\Order as OrderRepo;
 use App\Repos\Review as ReviewRepo;
-use App\Transformers\ConsultList as ConsultListTransformer;
-use App\Transformers\CourseFavoriteList as CourseFavoriteListTransformer;
-use App\Transformers\CourseUserList as CourseUserListTransformer;
-use App\Transformers\OrderList as OrderListTransformer;
-use App\Transformers\ReviewList as ReviewListTransformer;
 use App\Validators\Order as OrderFilter;
 
 class My extends Service
@@ -51,7 +51,7 @@ class My extends Service
 
         $where = ['user_id' => $user->id];
 
-        $favoriteRepo = new CourseFavoriteRepo();
+        $favoriteRepo = new FavoriteRepo();
 
         $pager = $favoriteRepo->paginate($where, $sort, $page, $limit);
 
@@ -134,7 +134,7 @@ class My extends Service
     {
         if ($pager->total_items > 0) {
 
-            $builder = new CourseUserListTransformer();
+            $builder = new CourseUserListBuilder();
 
             $pipeA = $pager->items->toArray();
 
@@ -152,7 +152,7 @@ class My extends Service
     {
         if ($pager->total_items > 0) {
 
-            $builder = new CourseFavoriteListTransformer();
+            $builder = new FavoriteListBuilder();
 
             $pipeA = $pager->items->toArray();
 
@@ -170,7 +170,7 @@ class My extends Service
     {
         if ($pager->total_items > 0) {
 
-            $builder = new ConsultListTransformer();
+            $builder = new ConsultListBuilder();
 
             $pipeA = $pager->items->toArray();
 
@@ -188,7 +188,7 @@ class My extends Service
     {
         if ($pager->total_items > 0) {
 
-            $builder = new ReviewListTransformer();
+            $builder = new ReviewListBuilder();
 
             $pipeA = $pager->items->toArray();
 
@@ -206,7 +206,7 @@ class My extends Service
     {
         if ($pager->total_items > 0) {
 
-            $builder = new OrderListTransformer();
+            $builder = new OrderListBuilder();
 
             $pipeA = $pager->items->toArray();
 
diff --git a/app/Http/Home/Services/Service.php b/app/Http/Home/Services/Service.php
index 94bf125d..d7191295 100644
--- a/app/Http/Home/Services/Service.php
+++ b/app/Http/Home/Services/Service.php
@@ -3,66 +3,42 @@
 namespace App\Http\Home\Services;
 
 use App\Models\User as UserModel;
-use App\Repos\User as UserRepo;
-use App\Validators\Filter as BaseFilter;
-use Phalcon\Mvc\User\Component as UserComponent;
+use App\Validators\Validator as AppValidator;
 
-class Service extends UserComponent
+class Service extends \Phalcon\Mvc\User\Component
 {
 
     public function getCurrentUser()
     {
-        $token = $this->getAuthToken();
+        $authUser = $this->getAuthUser();
 
-        return $token ? $this->getUser($token) : $this->getGuest();
-    }
-
-    public function getLoggedUser()
-    {
-        $token = $this->getAuthToken();
-
-        $filter = new BaseFilter();
-
-        $filter->checkAuthToken($token);
-
-        $user = $this->getUser($token);
-
-        $filter->checkAuthUser($user);
-
-        return $user;
-    }
-
-    private function getAuthToken()
-    {
-        $token = null;
-
-        if ($this->cookies->has('token')) {
-
-            $cookie = $this->cookies->get('token');
-
-            $token = $cookie->getValue();
+        if ($authUser) {
+            $user = UserModel::findFirst($authUser->id);
+        } else {
+            $user = new UserModel();
         }
 
-        return $token;
+        return $user;
     }
 
-    private function getGuest()
+    public function getLoginUser()
     {
-        $guest = new UserModel();
+        $authUser = $this->getAuthUser();
 
-        $guest->id = 0;
-        $guest->name = 'guest';
+        $validator = new AppValidator();
 
-        return $guest;
-    }
+        $validator->checkAuthUser($authUser);
 
-    private function getUser($token)
-    {
-        $userRepo = new UserRepo();
-
-        $user = $userRepo->findById($token);
+        $user = UserModel::findFirst($authUser->id);
 
         return $user;
     }
 
+    public function getAuthUser()
+    {
+        $auth = $this->getDI()->get('auth');
+
+        return $auth->getAuthInfo();
+    }
+
 }
diff --git a/app/Library/Cache/Backend/Redis.php b/app/Library/Cache/Backend/Redis.php
index 560e2d92..d85ac95c 100644
--- a/app/Library/Cache/Backend/Redis.php
+++ b/app/Library/Cache/Backend/Redis.php
@@ -16,7 +16,7 @@ class Redis extends \Phalcon\Cache\Backend\Redis
      * {@inheritdoc}
      *
      * @param  string $keyName
-     * @param  integer $lifetime
+     * @param  int $lifetime
      * @return mixed|null
      */
     public function get($keyName, $lifetime = null)
@@ -105,7 +105,7 @@ class Redis extends \Phalcon\Cache\Backend\Redis
         }
 
         if ($ttl > 0) {
-            $redis->setTimeout($lastKey, $ttl);
+            $redis->expire($lastKey, $ttl);
         }
 
         $isBuffering = $frontend->isBuffering();
@@ -135,7 +135,7 @@ class Redis extends \Phalcon\Cache\Backend\Redis
 
         $lastKey = $this->getKeyName($keyName);
 
-        return (bool)$redis->delete($lastKey);
+        return (bool)$redis->del($lastKey);
     }
 
     /**
@@ -146,11 +146,21 @@ class Redis extends \Phalcon\Cache\Backend\Redis
      */
     public function queryKeys($prefix = null)
     {
+        $result = [];
+
         $redis = $this->getRedis();
 
         $pattern = "{$this->_prefix}" . ($prefix ? $prefix : '') . '*';
 
-        return $redis->keys($pattern);
+        $redis->setOption(\Redis::OPT_SCAN, \Redis::SCAN_RETRY);
+
+        $it = null;
+
+        while ($keys = $redis->scan($it, $pattern)) {
+            $result = array_merge($result, $keys);
+        }
+
+        return $result;
     }
 
     /**
diff --git a/app/Library/Cache/Frontend/Json.php b/app/Library/Cache/Frontend/Json.php
new file mode 100644
index 00000000..cc498b8c
--- /dev/null
+++ b/app/Library/Cache/Frontend/Json.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Library\Cache\Frontend;
+
+class Json extends \Phalcon\Cache\Frontend\Json
+{
+
+    /**
+     * Serializes data before storing them
+     *
+     * @param mixed $data
+     * @return string
+     */
+    public function beforeStore($data)
+    {
+        $options = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE;
+
+        return json_encode($data, $options);
+    }
+
+}
diff --git a/app/Library/Helper.php b/app/Library/Helper.php
index 01034065..6da6818a 100644
--- a/app/Library/Helper.php
+++ b/app/Library/Helper.php
@@ -7,7 +7,7 @@ use Koogua\Ip2Region\Searcher as Ip2RegionSearcher;
  * 获取字符长度
  *
  * @param string $str
- * @return integer
+ * @return int
  */
 function kg_strlen($str)
 {
@@ -18,8 +18,8 @@ function kg_strlen($str)
  * 字符截取
  *
  * @param string $str
- * @param integer $start
- * @param integer $length
+ * @param int $start
+ * @param int $length
  * @param string $suffix
  * @return string
  */
@@ -47,14 +47,14 @@ function kg_uniqid($prefix = '', $more = false)
 /**
  * json_encode(不转义斜杠和中文)
  *
- * @param string $value
+ * @param mixed $data
  * @return false|string
  */
-function kg_json_encode($value)
+function kg_json_encode($data)
 {
     $options = JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE;
 
-    return json_encode($value, $options);
+    return json_encode($data, $options);
 }
 
 /**
@@ -109,7 +109,7 @@ function kg_array_object($array)
  * 对象转数组
  *
  * @param object $object
- * @return object
+ * @return array
  */
 function kg_object_array($object)
 {
@@ -170,8 +170,8 @@ function kg_img_base_url()
  * 获取图片URL
  *
  * @param string $path
- * @param integer $width
- * @param integer $height
+ * @param int $width
+ * @param int $height
  * @return string
  */
 function kg_img_url($path, $width = 0, $height = 0)
@@ -184,7 +184,7 @@ function kg_img_url($path, $width = 0, $height = 0)
 /**
  * 格式化数字
  *
- * @param integer $number
+ * @param int $number
  * @return string
  */
 function kg_human_number($number)
@@ -205,7 +205,7 @@ function kg_human_number($number)
 /**
  * 播放时长
  *
- * @param integer $time
+ * @param int $time
  * @return string
  */
 function kg_play_duration($time)
@@ -241,7 +241,7 @@ function kg_play_duration($time)
 /**
  * 总时长
  *
- * @param integer $time
+ * @param int $time
  * @return string
  */
 function kg_total_duration($time)
diff --git a/app/Library/OAuth.php b/app/Library/OAuth.php
index 42490a1a..c69332de 100644
--- a/app/Library/OAuth.php
+++ b/app/Library/OAuth.php
@@ -49,4 +49,5 @@ abstract class OAuth
     abstract public function getOpenId($accessToken);
 
     abstract public function getUserInfo($accessToken, $openId);
+
 }
diff --git a/app/Library/Paginator/Adapter/QueryBuilder.php b/app/Library/Paginator/Adapter/QueryBuilder.php
index b2d93fc5..9d6532e7 100644
--- a/app/Library/Paginator/Adapter/QueryBuilder.php
+++ b/app/Library/Paginator/Adapter/QueryBuilder.php
@@ -11,14 +11,14 @@ class QueryBuilder extends BaseQueryBuilder
     private $url;
     private $params = [];
 
-    public function getPaginate()
+    public function paginate()
     {
-        $pager = parent::getPaginate();
+        $pager = parent::paginate();
 
         $this->initParams();
 
         $pager->first = $this->buildPageUrl($pager->first);
-        $pager->before = $this->buildPageUrl($pager->before);
+        $pager->previous = $this->buildPageUrl($pager->previous);
         $pager->next = $this->buildPageUrl($pager->next);
         $pager->last = $this->buildPageUrl($pager->last);
 
diff --git a/app/Library/Security.php b/app/Library/Security.php
index 031945c5..4712081f 100644
--- a/app/Library/Security.php
+++ b/app/Library/Security.php
@@ -57,11 +57,11 @@ class Security
 
         $lifetime = $this->options['lifetime'];
 
-        $cachedContent = $this->cache->get($key);
+        $cache = $this->cache->get($key);
 
-        if ($cachedContent) {
-            $this->tokenValue = $cachedContent->hash;
-            if (time() - $cachedContent->time > $lifetime / 2) {
+        if ($cache) {
+            $this->tokenValue = $cache['hash'];
+            if (time() - $cache['time'] > $lifetime / 2) {
                 $this->cache->save($key, $content, $lifetime);
                 $this->tokenValue = $content['hash'];
             }
@@ -77,9 +77,11 @@ class Security
 
         $content = $this->cache->get($key);
 
-        if (!$content) return false;
+        if (!$content) {
+            return false;
+        }
 
-        return $tokenValue == $content->hash;
+        return $tokenValue == $content['hash'];
     }
 
     protected function getCacheKey($tokenKey)
diff --git a/app/Library/Util/Word.php b/app/Library/Util/Word.php
index e1a691d6..73e74afd 100644
--- a/app/Library/Util/Word.php
+++ b/app/Library/Util/Word.php
@@ -20,6 +20,15 @@ class Word
         return (int)$count;
     }
 
+    public static function getWordDuration($str)
+    {
+        $count = self::getWordCount($str);
+
+        $duration = $count * 0.8;
+
+        return (int)$duration;
+    }
+
     public static function getChineseWordCount($str)
     {
         $str = strip_tags($str);
diff --git a/app/Listeners/Chapter.php b/app/Listeners/Chapter.php
new file mode 100644
index 00000000..e1678b50
--- /dev/null
+++ b/app/Listeners/Chapter.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Listeners;
+
+use App\Models\Chapter as ChapterModel;
+use App\Services\ChapterCacheSyncer;
+use Phalcon\Events\Event;
+
+class Chapter extends Listener
+{
+
+    protected $logger;
+
+    public function __construct()
+    {
+        $this->logger = $this->getLogger();
+    }
+
+    public function afterCreate(Event $event, $source, ChapterModel $chapter)
+    {
+        $this->logger->debug('Event: {event}, Source: {source}, Data: {data}', [
+            'event' => $event->getType(),
+            'source' => get_class($source),
+            'data' => kg_json_encode($chapter),
+        ]);
+    }
+
+    public function afterUpdate(Event $event, $source, ChapterModel $chapter)
+    {
+        if ($chapter->published == 1) {
+            $this->syncCache($chapter);
+        }
+
+        $this->logger->debug('Event: {event}, Source: {source}, Data: {data}', [
+            'event' => $event->getType(),
+            'source' => get_class($source),
+            'data' => kg_json_encode($chapter),
+        ]);
+    }
+
+    public function afterDelete(Event $event, $source, ChapterModel $chapter)
+    {
+        if ($chapter->published == 1) {
+            $this->syncCache($chapter);
+        }
+
+        $this->logger->debug('Event: {event}, Source: {source}, Data: {data}', [
+            'event' => $event->getType(),
+            'source' => get_class($source),
+            'data' => kg_json_encode($chapter),
+        ]);
+    }
+
+    public function afterRestore(Event $event, $source, ChapterModel $chapter)
+    {
+        if ($chapter->published == 1) {
+            $this->syncCache($chapter);
+        }
+
+        $this->logger->debug('Event: {event}, Source: {source}, Data: {data}', [
+            'event' => $event->getType(),
+            'source' => get_class($source),
+            'data' => kg_json_encode($chapter),
+        ]);
+    }
+
+    protected function syncCache(ChapterModel $chapter)
+    {
+        $cacheSyncer = new ChapterCacheSyncer();
+        $cacheSyncer->save($chapter->id);
+    }
+
+}
\ No newline at end of file
diff --git a/app/Listeners/Course.php b/app/Listeners/Course.php
index 71259c50..b350415f 100644
--- a/app/Listeners/Course.php
+++ b/app/Listeners/Course.php
@@ -3,6 +3,7 @@
 namespace App\Listeners;
 
 use App\Models\Course as CourseModel;
+use App\Services\CourseIndexSyncer;
 use Phalcon\Events\Event;
 
 class Course extends Listener
@@ -27,7 +28,7 @@ class Course extends Listener
     public function afterUpdate(Event $event, $source, CourseModel $course)
     {
         if ($course->published == 1) {
-            $this->syncIndexAfterUpdate($course);
+            $this->syncIndex($course);
         }
 
         $this->logger->debug('Event: {event}, Source: {source}, Data: {data}', [
@@ -40,7 +41,7 @@ class Course extends Listener
     public function afterDelete(Event $event, $source, CourseModel $course)
     {
         if ($course->published == 1) {
-            $this->syncIndexAfterDelete($course);
+            $this->syncIndex($course);
         }
 
         $this->logger->debug('Event: {event}, Source: {source}, Data: {data}', [
@@ -53,7 +54,7 @@ class Course extends Listener
     public function afterRestore(Event $event, $source, CourseModel $course)
     {
         if ($course->published == 1) {
-            $this->syncIndexAfterRestore($course);
+            $this->syncIndex($course);
         }
 
         $this->logger->debug('Event: {event}, Source: {source}, Data: {data}', [
@@ -63,62 +64,10 @@ class Course extends Listener
         ]);
     }
 
-    protected function syncIndexAfterUpdate(CourseModel $course)
+    protected function syncIndex(CourseModel $course)
     {
-        /**
-         * @var \Phalcon\Cache\Backend $cache
-         */
-        $cache = $this->getDI()->get('cache');
-
-        $key = $this->getSyncIndexKey($course->id);
-
-        $content = [
-            'id' => $course->id,
-            'type' => 'update',
-        ];
-
-        $cache->save($key, $content, 86400);
-    }
-
-    protected function syncIndexAfterDelete($course)
-    {
-        /**
-         * @var \Phalcon\Cache\Backend $cache
-         */
-        $cache = $this->getDI()->get('cache');
-
-        $key = $this->getSyncIndexKey($course->id);
-
-        $content = [
-            'id' => $course->id,
-            'type' => 'delete',
-        ];
-
-        $cache->save($key, $content, 86400);
-    }
-
-    protected function syncIndexAfterRestore($course)
-    {
-        /**
-         * @var \Phalcon\Cache\Backend $cache
-         */
-        $cache = $this->getDI()->get('cache');
-
-        $key = $this->getSyncIndexKey($course->id);
-
-        $content = [
-            'id' => $course->id,
-            'type' => 'restore',
-        ];
-
-        $cache->save($key, $content, 86400);
-    }
-
-    protected function getSyncIndexKey($courseId)
-    {
-        $key = "sync:index:course:{$courseId}";
-
-        return $key;
+        $cacheSyncer = new CourseIndexSyncer();
+        $cacheSyncer->addItem($course->id);
     }
 
 }
\ No newline at end of file
diff --git a/app/Listeners/Payment.php b/app/Listeners/Payment.php
index 5c1ef003..7dc80d63 100644
--- a/app/Listeners/Payment.php
+++ b/app/Listeners/Payment.php
@@ -88,7 +88,7 @@ class Payment extends Listener
         $courseUser->source_type = CourseUserModel::SOURCE_PAID;
 
         if ($courseUser->create() === false) {
-            throw new \RuntimeException('Create Course User Failed');
+            throw new \RuntimeException('Create CourseSearcher User Failed');
         }
     }
 
@@ -105,7 +105,7 @@ class Payment extends Listener
             $courseUser->source_type = CourseUserModel::SOURCE_PAID;
 
             if ($courseUser->create() === false) {
-                throw new \RuntimeException('Create Course User Failed');
+                throw new \RuntimeException('Create CourseSearcher User Failed');
             }
         }
     }
diff --git a/app/Models/Account.php b/app/Models/Account.php
new file mode 100644
index 00000000..e081a59d
--- /dev/null
+++ b/app/Models/Account.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+
+class Account extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 邮箱
+     *
+     * @var string
+     */
+    public $email;
+
+    /**
+     * 手机
+     *
+     * @var string
+     */
+    public $phone;
+
+    /**
+     * 密码
+     *
+     * @var string
+     */
+    public $password;
+
+    /**
+     * 密盐
+     *
+     * @var string
+     */
+    public $salt;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $create_at;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $update_at;
+
+    public function getSource()
+    {
+        return 'account';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->create_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->update_at = time();
+    }
+
+    public function afterCreate()
+    {
+        $user = new User();
+        $user->id = $this->id;
+        $user->name = "user_{$this->id}";
+        $user->create();
+    }
+
+}
diff --git a/app/Models/Audit.php b/app/Models/Audit.php
index ff55e041..5712344d 100644
--- a/app/Models/Audit.php
+++ b/app/Models/Audit.php
@@ -8,28 +8,28 @@ class Audit extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 用户编号
      *
-     * @var integer
+     * @var int
      */
     public $user_id;
 
     /**
      * 用户名称
      *
-     * @var integer
+     * @var int
      */
     public $user_name;
 
     /**
      * 用户IP
      *
-     * @var integer
+     * @var int
      */
     public $user_ip;
 
@@ -57,7 +57,7 @@ class Audit extends Model
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
@@ -70,7 +70,7 @@ class Audit extends Model
     {
         $this->created_at = time();
 
-        if (!empty($this->req_data) && is_array($this->req_data)) {
+        if (!empty($this->req_data)) {
             $this->req_data = kg_json_encode($this->req_data);
         } else {
             $this->req_data = '';
diff --git a/app/Models/Category.php b/app/Models/Category.php
index f2d4210c..335af7bd 100644
--- a/app/Models/Category.php
+++ b/app/Models/Category.php
@@ -2,6 +2,9 @@
 
 namespace App\Models;
 
+use App\Caches\Category as CategoryCache;
+use App\Caches\CategoryList as CategoryListCache;
+use App\Caches\CategoryTreeList as CategoryTreeListCache;
 use Phalcon\Mvc\Model\Behavior\SoftDelete;
 
 class Category extends Model
@@ -10,14 +13,14 @@ class Category extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 上级编号
      *
-     * @var integer
+     * @var int
      */
     public $parent_id;
 
@@ -31,14 +34,14 @@ class Category extends Model
     /**
      * 优先级
      *
-     * @var integer
+     * @var int
      */
     public $priority;
 
     /**
      * 层级
      *
-     * @var integer
+     * @var int
      */
     public $level;
 
@@ -52,35 +55,42 @@ class Category extends Model
     /**
      * 发布标识
      *
-     * @var integer
+     * @var int
      */
     public $published;
 
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
+    /**
+     * 节点数
+     *
+     * @var int
+     */
+    public $child_count;
+
     /**
      * 课程数
      *
-     * @var integer
+     * @var int
      */
     public $course_count;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -111,4 +121,26 @@ class Category extends Model
         $this->updated_at = time();
     }
 
+    public function afterCreate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function afterUpdate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function rebuildCache()
+    {
+        $categoryCache = new CategoryCache();
+        $categoryCache->rebuild($this->id);
+
+        $categoryListCache = new CategoryListCache();
+        $categoryListCache->rebuild();
+
+        $categoryTreeListCache = new CategoryTreeListCache();
+        $categoryTreeListCache->rebuild();
+    }
+
 }
diff --git a/app/Models/Chapter.php b/app/Models/Chapter.php
index e9de899e..dadb7e98 100644
--- a/app/Models/Chapter.php
+++ b/app/Models/Chapter.php
@@ -2,6 +2,8 @@
 
 namespace App\Models;
 
+use App\Caches\MaxChapterId as MaxChapterIdCache;
+use App\Services\ChapterCacheSyncer;
 use Phalcon\Mvc\Model\Behavior\SoftDelete;
 
 class Chapter extends Model
@@ -22,6 +24,7 @@ class Chapter extends Model
      * 点播扩展属性
      */
     protected $_vod_attrs = [
+        'model' => 'vod',
         'duration' => 0,
         'file_id' => 0,
         'file_status' => 'pending',
@@ -33,6 +36,7 @@ class Chapter extends Model
      * 直播扩展属性
      */
     protected $_live_attrs = [
+        'model' => 'live',
         'start_time' => 0,
         'end_time' => 0,
     ];
@@ -42,29 +46,33 @@ class Chapter extends Model
      *
      * 图文扩展属性
      */
-    protected $_article_attrs = ['word_count' => 0];
+    protected $_read_attrs = [
+        'model' => 'read',
+        'duration' => 0,
+        'word_count' => 0,
+    ];
 
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
-    /**
-     * 课程编号
-     *
-     * @var integer
-     */
-    public $course_id;
-
     /**
      * 父级编号
      *
-     * @var integer
+     * @var int
      */
     public $parent_id;
 
+    /**
+     * 课程编号
+     *
+     * @var int
+     */
+    public $course_id;
+
     /**
      * 标题
      *
@@ -82,31 +90,17 @@ class Chapter extends Model
     /**
      * 优先级
      *
-     * @var integer
+     * @var int
      */
     public $priority;
 
     /**
      * 免费标识
      *
-     * @var integer
+     * @var int
      */
     public $free;
 
-    /**
-     * 发布标识
-     *
-     * @var integer
-     */
-    public $published;
-
-    /**
-     * 删除标识
-     *
-     * @var integer
-     */
-    public $deleted;
-
     /**
      * 扩展属性
      *
@@ -115,44 +109,58 @@ class Chapter extends Model
     public $attrs;
 
     /**
-     * 学员数
+     * 课时数量
      *
-     * @var integer
+     * @var int
      */
-    public $student_count;
+    public $lesson_count;
 
     /**
-     * 讨论数
+     * 学员数量
      *
-     * @var integer
+     * @var int
      */
-    public $thread_count;
+    public $user_count;
 
     /**
-     * 收藏数
+     * 评论数量
      *
-     * @var integer
+     * @var int
      */
-    public $favorite_count;
+    public $comment_count;
 
     /**
-     * 点赞数
+     * 点赞数量
      *
-     * @var integer
+     * @var int
      */
     public $like_count;
 
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -179,7 +187,7 @@ class Chapter extends Model
 
         if ($this->parent_id > 0) {
 
-            $course = Course::findFirstById($this->course_id);
+            $course = Course::findFirst($this->course_id);
 
             $attrs = [];
 
@@ -190,14 +198,15 @@ class Chapter extends Model
                 case Course::MODEL_LIVE:
                     $attrs = $this->_live_attrs;
                     break;
-                case Course::MODEL_ARTICLE:
-                    $attrs = $this->_article_attrs;
+                case Course::MODEL_READ:
+                    $attrs = $this->_read_attrs;
                     break;
             }
 
-            $this->attrs = $attrs ? kg_json_encode($attrs) : '';
+            if (!empty($attrs)) {
+                $this->attrs = kg_json_encode($attrs);
+            }
         }
-
     }
 
     public function beforeUpdate()
@@ -212,7 +221,7 @@ class Chapter extends Model
     public function afterFetch()
     {
         if (!empty($this->attrs)) {
-            $this->attrs = json_decode($this->attrs);
+            $this->attrs = json_decode($this->attrs, true);
         }
     }
 
@@ -220,7 +229,7 @@ class Chapter extends Model
     {
         if ($this->parent_id > 0) {
 
-            $course = Course::findFirstById($this->course_id);
+            $course = Course::findFirst($this->course_id);
 
             $data = [
                 'course_id' => $course->id,
@@ -236,12 +245,21 @@ class Chapter extends Model
                     $model = new ChapterLive();
                     $model->create($data);
                     break;
-                case Course::MODEL_ARTICLE:
-                    $model = new ChapterArticle();
+                case Course::MODEL_READ:
+                    $model = new ChapterRead();
                     $model->create($data);
                     break;
             }
         }
+
+        $maxChapterIdCache = new MaxChapterIdCache();
+        $maxChapterIdCache->rebuild();
+    }
+
+    public function afterUpdate()
+    {
+        $chapterCacheSyncer = new ChapterCacheSyncer();
+        $chapterCacheSyncer->addItem($this->id);
     }
 
 }
diff --git a/app/Models/ChapterLike.php b/app/Models/ChapterLike.php
new file mode 100644
index 00000000..94c648ef
--- /dev/null
+++ b/app/Models/ChapterLike.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class ChapterLike extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 章节编号
+     *
+     * @var int
+     */
+    public $chapter_id;
+
+    /**
+     * 用户编号
+     *
+     * @var int
+     */
+    public $user_id;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'chapter_like';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/ChapterLive.php b/app/Models/ChapterLive.php
index 827b6986..189c9a7f 100644
--- a/app/Models/ChapterLive.php
+++ b/app/Models/ChapterLive.php
@@ -8,56 +8,56 @@ class ChapterLive extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
      *
-     * @var integer
+     * @var int
      */
     public $course_id;
 
     /**
      * 章节编号
      *
-     * @var integer
+     * @var int
      */
     public $chapter_id;
 
     /**
      * 开始时间
      *
-     * @var integer
+     * @var int
      */
     public $start_time;
 
     /**
      * 结束时间
      *
-     * @var integer
+     * @var int
      */
     public $end_time;
 
     /**
      * 用户限额
      *
-     * @var integer
+     * @var int
      */
     public $user_limit;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
diff --git a/app/Models/ChapterArticle.php b/app/Models/ChapterRead.php
similarity index 75%
rename from app/Models/ChapterArticle.php
rename to app/Models/ChapterRead.php
index 4acd6617..6f8226e1 100644
--- a/app/Models/ChapterArticle.php
+++ b/app/Models/ChapterRead.php
@@ -2,33 +2,33 @@
 
 namespace App\Models;
 
-class ChapterArticle extends Model
+class ChapterRead extends Model
 {
 
     /**
      * 格式类型
      */
-    const FORMAT_HTML = 1;
-    const FORMAT_MARKDOWN = 2;
+    const FORMAT_HTML = 'html';
+    const FORMAT_MARKDOWN = 'markdown';
 
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
      *
-     * @var integer
+     * @var int
      */
     public $course_id;
 
     /**
      * 章节编号
      *
-     * @var integer
+     * @var int
      */
     public $chapter_id;
 
@@ -42,27 +42,27 @@ class ChapterArticle extends Model
     /**
      * 格式
      *
-     * @var integer
+     * @var string
      */
     public $format;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
     public function getSource()
     {
-        return 'chapter_article';
+        return 'chapter_read';
     }
 
     public function beforeCreate()
diff --git a/app/Models/ChapterUser.php b/app/Models/ChapterUser.php
index 21e54e67..ea4a4429 100644
--- a/app/Models/ChapterUser.php
+++ b/app/Models/ChapterUser.php
@@ -2,83 +2,85 @@
 
 namespace App\Models;
 
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
 class ChapterUser extends Model
 {
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
      *
-     * @var integer
+     * @var int
      */
     public $course_id;
 
     /**
      * 章节编号
      *
-     * @var integer
+     * @var int
      */
     public $chapter_id;
 
     /**
      * 用户编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $user_id;
 
     /**
      * 学习时长
      *
-     * @var integer
+     * @var int
      */
     public $duration;
 
     /**
      * 播放位置
      *
-     * @var integer
+     * @var int
      */
     public $position;
 
     /**
-     * 完成标识
+     * 学习进度
      *
-     * @var integer
+     * @var int
      */
-    public $finished;
+    public $progress;
 
     /**
-     * 收藏标识
+     * 消费标识
      *
-     * @var integer
+     * @var int
      */
-    public $favorited;
+    public $consumed;
 
     /**
-     * 喜欢标识
+     * 删除标识
      *
-     * @var integer
+     * @var int
      */
-    public $liked;
+    public $deleted;
 
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $updated_at;
 
@@ -87,6 +89,18 @@ class ChapterUser extends Model
         return 'chapter_user';
     }
 
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
     public function beforeCreate()
     {
         $this->created_at = time();
diff --git a/app/Models/ChapterVod.php b/app/Models/ChapterVod.php
index 81c95224..1b3e70e0 100644
--- a/app/Models/ChapterVod.php
+++ b/app/Models/ChapterVod.php
@@ -2,48 +2,57 @@
 
 namespace App\Models;
 
+use App\Services\Vod as VodService;
+
 class ChapterVod extends Model
 {
 
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
      *
-     * @var integer
+     * @var int
      */
     public $course_id;
 
     /**
      * 章节编号
      *
-     * @var integer
+     * @var int
      */
     public $chapter_id;
 
     /**
      * 文件编号
      *
-     * @var integer
+     * @var string
      */
     public $file_id;
 
+    /**
+     * 文件转码
+     *
+     * @var string
+     */
+    public $file_transcode;
+
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -55,11 +64,44 @@ class ChapterVod extends Model
     public function beforeCreate()
     {
         $this->created_at = time();
+
+        if (!empty($this->file_transcode)) {
+            $this->file_transcode = kg_json_encode($this->file_transcode);
+        }
     }
 
     public function beforeUpdate()
     {
         $this->updated_at = time();
+
+        if (!empty($this->file_transcode)) {
+            $this->file_transcode = kg_json_encode($this->file_transcode);
+        }
+    }
+
+    public function afterFetch()
+    {
+        if (!empty($this->file_transcode)) {
+            $this->file_transcode = json_decode($this->file_transcode, true);
+        } else {
+            $this->getFileTranscode($this->file_id);
+        }
+    }
+
+    protected function getFileTranscode($fileId)
+    {
+        if (!$fileId) return [];
+
+        $vodService = new VodService();
+
+        $transcode = $vodService->getFileTranscode($fileId);
+
+        if ($transcode && empty($this->file_transcode)) {
+            $this->file_transcode = $transcode;
+            $this->update();
+        }
+
+        return $transcode;
     }
 
 }
diff --git a/app/Models/Comment.php b/app/Models/Comment.php
new file mode 100644
index 00000000..03356e02
--- /dev/null
+++ b/app/Models/Comment.php
@@ -0,0 +1,130 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class Comment extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var integer
+     */
+    public $id;
+
+    /**
+     * 父级编号
+     *
+     * @var integer
+     */
+    public $parent_id;
+
+    /**
+     * 课程编号
+     *
+     * @var integer
+     */
+    public $course_id;
+
+    /**
+     * 章节编号
+     *
+     * @var integer
+     */
+    public $chapter_id;
+
+    /**
+     * 作者编号
+     *
+     * @var integer
+     */
+    public $author_id;
+
+    /**
+     * 提及用户
+     *
+     * 数据结构: [{id:123,name:'foo'}]
+     *
+     * @var string
+     */
+    public $mentions;
+
+    /**
+     * 内容
+     *
+     * @var string
+     */
+    public $content;
+
+    /**
+     * 回复数
+     *
+     * @var integer
+     */
+    public $reply_count;
+
+    /**
+     * 点赞数
+     *
+     * @var integer
+     */
+    public $like_count;
+
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var integer
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var integer
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'comment';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->create_time = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->update_time = time();
+    }
+
+}
diff --git a/app/Models/CommentLike.php b/app/Models/CommentLike.php
new file mode 100644
index 00000000..598724c6
--- /dev/null
+++ b/app/Models/CommentLike.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class CommentLike extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 评论编号
+     *
+     * @var int
+     */
+    public $comment_id;
+
+    /**
+     * 用户编号
+     *
+     * @var int
+     */
+    public $user_id;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'comment_like';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/Config.php b/app/Models/Config.php
index 2e52c4c8..8f8c91bb 100644
--- a/app/Models/Config.php
+++ b/app/Models/Config.php
@@ -2,33 +2,35 @@
 
 namespace App\Models;
 
+use App\Caches\Config as ConfigCache;
+
 class Config extends Model
 {
 
     /**
      * 主键
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
     /**
      * 配置块
-     * 
+     *
      * @var string
      */
     public $section;
 
     /**
      * 配置键
-     * 
+     *
      * @var string
      */
     public $item_key;
 
     /**
      * 配置值
-     * 
+     *
      * @var string
      */
     public $item_value;
@@ -38,4 +40,10 @@ class Config extends Model
         return 'config';
     }
 
+    public function afterUpdate()
+    {
+        $configCache = new ConfigCache();
+        $configCache->rebuild();
+    }
+
 }
diff --git a/app/Models/Consult.php b/app/Models/Consult.php
new file mode 100644
index 00000000..1c3f9409
--- /dev/null
+++ b/app/Models/Consult.php
@@ -0,0 +1,107 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class Consult extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var integer
+     */
+    public $id;
+
+    /**
+     * 课程编号
+     *
+     * @var integer
+     */
+    public $course_id;
+
+    /**
+     * 用户编号
+     *
+     * @var integer
+     */
+    public $user_id;
+
+    /**
+     * 提问
+     *
+     * @var string
+     */
+    public $question;
+
+    /**
+     * 回答
+     *
+     * @var string
+     */
+    public $answer;
+
+    /**
+     * 点赞数量
+     *
+     * @var int
+     */
+    public $like_count;
+
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var integer
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var integer
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'consult';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/ConsultLike.php b/app/Models/ConsultLike.php
new file mode 100644
index 00000000..282294f0
--- /dev/null
+++ b/app/Models/ConsultLike.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class ConsultLike extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var integer
+     */
+    public $id;
+
+    /**
+     * 咨询编号
+     *
+     * @var integer
+     */
+    public $consult_id;
+
+    /**
+     * 用户编号
+     *
+     * @var integer
+     */
+    public $user_id;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var integer
+     */
+    public $created_at;
+
+    public function getSource()
+    {
+        return 'consult_like';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/ContentImage.php b/app/Models/ContentImage.php
index b7cb1373..07f442f5 100644
--- a/app/Models/ContentImage.php
+++ b/app/Models/ContentImage.php
@@ -7,8 +7,8 @@ class ContentImage extends Model
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
@@ -21,8 +21,8 @@ class ContentImage extends Model
 
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
diff --git a/app/Models/Course.php b/app/Models/Course.php
index c3ce2633..2e5b6354 100644
--- a/app/Models/Course.php
+++ b/app/Models/Course.php
@@ -2,6 +2,9 @@
 
 namespace App\Models;
 
+use App\Caches\MaxCourseId as MaxCourseIdCache;
+use App\Services\CourseCacheSyncer;
+use App\Services\CourseIndexSyncer;
 use Phalcon\Mvc\Model\Behavior\SoftDelete;
 
 class Course extends Model
@@ -12,7 +15,7 @@ class Course extends Model
      */
     const MODEL_VOD = 'vod'; // 点播
     const MODEL_LIVE = 'live'; // 直播
-    const MODEL_ARTICLE = 'article'; // 图文
+    const MODEL_READ = 'read'; // 图文
 
     /**
      * 级别
@@ -41,28 +44,21 @@ class Course extends Model
      *
      * 图文扩展属性
      */
-    protected $_article_attrs = ['word_count' => 0];
+    protected $_read_attrs = ['duration' => 0, 'word_count' => 0];
 
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
-    /**
-     * 作者编号
-     *
-     * @var integer
-     */
-    public $user_id;
-
     /**
      * 类型
      *
      * @var string
      */
-    public $model;
+    public $class_id;
 
     /**
      * 标题
@@ -116,7 +112,7 @@ class Course extends Model
     /**
      * 有效期限（天）
      *
-     * @var integer
+     * @var int
      */
     public $expiry;
 
@@ -127,6 +123,13 @@ class Course extends Model
      */
     public $score;
 
+    /**
+     * 模式类型
+     *
+     * @var string
+     */
+    public $model;
+
     /**
      * 难度级别
      *
@@ -134,20 +137,6 @@ class Course extends Model
      */
     public $level;
 
-    /**
-     * 发布标识
-     *
-     * @var integer
-     */
-    public $published;
-
-    /**
-     * 删除标识
-     *
-     * @var integer
-     */
-    public $deleted;
-
     /**
      * 扩展属性
      *
@@ -158,49 +147,63 @@ class Course extends Model
     /**
      * 课时数
      *
-     * @var integer
+     * @var int
      */
     public $lesson_count;
 
     /**
      * 学员数
      *
-     * @var integer
+     * @var int
      */
-    public $student_count;
+    public $user_count;
 
     /**
-     * 讨论数
+     * 评论数
      *
-     * @var integer
+     * @var int
      */
-    public $thread_count;
+    public $comment_count;
 
     /**
      * 评价数
      *
-     * @var integer
+     * @var int
      */
     public $review_count;
 
     /**
      * 收藏数
      *
-     * @var integer
+     * @var int
      */
     public $favorite_count;
 
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -234,12 +237,15 @@ class Course extends Model
             case Course::MODEL_LIVE:
                 $attrs = $this->_live_attrs;
                 break;
-            case Course::MODEL_ARTICLE:
-                $attrs = $this->_article_attrs;
+            case Course::MODEL_READ:
+                $attrs = $this->_read_attrs;
                 break;
         }
 
-        $this->attrs = $attrs ? kg_json_encode($attrs) : '';
+        if (!empty($attrs)) {
+            $this->attrs = kg_json_encode($attrs);
+        }
+
     }
 
     public function beforeUpdate()
@@ -253,17 +259,35 @@ class Course extends Model
 
     public function afterFetch()
     {
+        $this->market_price = (float)$this->market_price;
+        $this->vip_price = (float)$this->vip_price;
+
         if (!empty($this->attrs)) {
-            $this->attrs = json_decode($this->attrs);
+            $this->attrs = json_decode($this->attrs, true);
         }
     }
 
+    public function afterCreate()
+    {
+        $maxCourseIdCache = new MaxCourseIdCache();
+        $maxCourseIdCache->rebuild();
+    }
+
+    public function afterUpdate()
+    {
+        $courseCacheSyncer = new CourseCacheSyncer();
+        $courseCacheSyncer->addItem($this->id);
+
+        $courseIndexSyncer = new CourseIndexSyncer();
+        $courseIndexSyncer->addItem($this->id);
+    }
+
     public static function models()
     {
         $list = [
             self::MODEL_VOD => '点播',
             self::MODEL_LIVE => '直播',
-            self::MODEL_ARTICLE => '图文',
+            self::MODEL_READ => '图文',
         ];
 
         return $list;
diff --git a/app/Models/CourseCategory.php b/app/Models/CourseCategory.php
index 70e37749..ef0b4d0b 100644
--- a/app/Models/CourseCategory.php
+++ b/app/Models/CourseCategory.php
@@ -7,29 +7,29 @@ class CourseCategory extends Model
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $course_id;
 
     /**
      * 分类编号
      *
-     * @var integer
+     * @var int
      */
     public $category_id;
 
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
diff --git a/app/Models/CourseFavorite.php b/app/Models/CourseFavorite.php
index df12b934..704717d5 100644
--- a/app/Models/CourseFavorite.php
+++ b/app/Models/CourseFavorite.php
@@ -2,45 +2,78 @@
 
 namespace App\Models;
 
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
 class CourseFavorite extends Model
 {
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
      *
-     * @var integer
+     * @var int
      */
     public $course_id;
 
     /**
      * 用户编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $user_id;
 
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $updated_at;
+
     public function getSource()
     {
         return 'course_favorite';
     }
 
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
     public function beforeCreate()
     {
         $this->created_at = time();
     }
 
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
 }
diff --git a/app/Models/CoursePackage.php b/app/Models/CoursePackage.php
index c2345291..547065e4 100644
--- a/app/Models/CoursePackage.php
+++ b/app/Models/CoursePackage.php
@@ -7,29 +7,29 @@ class CoursePackage extends Model
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
-    /**
-     * 套餐编号
-     * 
-     * @var integer
-     */
-    public $package_id;
-
     /**
      * 课程编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $course_id;
 
+    /**
+     * 套餐编号
+     *
+     * @var int
+     */
+    public $package_id;
+
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
diff --git a/app/Models/CourseRelated.php b/app/Models/CourseRelated.php
index 91dae3f7..66b1c80f 100644
--- a/app/Models/CourseRelated.php
+++ b/app/Models/CourseRelated.php
@@ -7,29 +7,29 @@ class CourseRelated extends Model
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $course_id;
 
     /**
      * 相关编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $related_id;
 
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
diff --git a/app/Models/CourseTopic.php b/app/Models/CourseTopic.php
index 68946e1e..38e0b3c2 100644
--- a/app/Models/CourseTopic.php
+++ b/app/Models/CourseTopic.php
@@ -7,29 +7,29 @@ class CourseTopic extends Model
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $course_id;
 
     /**
      * 话题编号
      *
-     * @var integer
+     * @var int
      */
     public $topic_id;
 
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
diff --git a/app/Models/CourseUser.php b/app/Models/CourseUser.php
index fe4c3175..867cb35b 100644
--- a/app/Models/CourseUser.php
+++ b/app/Models/CourseUser.php
@@ -2,6 +2,9 @@
 
 namespace App\Models;
 
+use App\Caches\CourseUser as CourseUserCache;
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
 class CourseUser extends Model
 {
 
@@ -22,21 +25,21 @@ class CourseUser extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 课程编号
      *
-     * @var integer
+     * @var int
      */
     public $course_id;
 
     /**
      * 用户编号
      *
-     * @var integer
+     * @var int
      */
     public $user_id;
 
@@ -57,56 +60,49 @@ class CourseUser extends Model
     /**
      * 过期时间
      *
-     * @var integer
+     * @var int
      */
     public $expire_time;
 
     /**
      * 学习时长
      *
-     * @var integer
+     * @var int
      */
     public $duration;
 
     /**
      * 学习进度
      *
-     * @var integer
+     * @var int
      */
     public $progress;
 
-    /**
-     * 评价标识
-     *
-     * @var integer
-     */
-    public $reviewed;
-
     /**
      * 锁定标识
      *
-     * @var integer
+     * @var int
      */
     public $locked;
 
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -115,6 +111,18 @@ class CourseUser extends Model
         return 'course_user';
     }
 
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
     public function beforeCreate()
     {
         $this->created_at = time();
@@ -125,6 +133,25 @@ class CourseUser extends Model
         $this->updated_at = time();
     }
 
+    public function afterCreate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function afterUpdate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function rebuildCache()
+    {
+        $key = "{$this->course_id}_{$this->user_id}";
+
+        $courseUserCache = new CourseUserCache();
+
+        $courseUserCache->rebuild($key);
+    }
+
     public static function roles()
     {
         $list = [
diff --git a/app/Models/Help.php b/app/Models/Help.php
new file mode 100644
index 00000000..eb1fe996
--- /dev/null
+++ b/app/Models/Help.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Models;
+
+class Help extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 标题
+     *
+     * @var string
+     */
+    public $title;
+
+    /**
+     * 内容
+     *
+     * @var string
+     */
+    public $content;
+
+    /**
+     * 优先级
+     *
+     * @var int
+     */
+    public $priority;
+
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'help';
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/Learning.php b/app/Models/Learning.php
index cd350dbc..6815e306 100644
--- a/app/Models/Learning.php
+++ b/app/Models/Learning.php
@@ -13,8 +13,8 @@ class Learning extends Model
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
@@ -25,45 +25,45 @@ class Learning extends Model
      */
     public $request_id;
 
-    /**
-     * 用户编号
-     *
-     * @var integer
-     */
-    public $user_id;
-
     /**
      * 课程编号
      *
-     * @var integer
+     * @var int
      */
     public $course_id;
 
     /**
      * 章节编号
      *
-     * @var integer
+     * @var int
      */
     public $chapter_id;
 
+    /**
+     * 用户编号
+     *
+     * @var int
+     */
+    public $user_id;
+
     /**
      * 持续时长
      *
-     * @var integer
+     * @var int
      */
     public $duration;
 
     /**
      * 播放位置
      *
-     * @var integer
+     * @var int
      */
     public $position;
 
     /**
      * 客户端类型
      *
-     * @var integer
+     * @var int
      */
     public $client_type;
 
@@ -74,38 +74,17 @@ class Learning extends Model
      */
     public $client_ip;
 
-    /**
-     * 所在国家
-     *
-     * @var string
-     */
-    public $country;
-
-    /**
-     * 所在省份
-     *
-     * @var string
-     */
-    public $province;
-
-    /**
-     * 所在城市
-     *
-     * @var string
-     */
-    public $city;
-
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $updated_at;
 
diff --git a/app/Models/Nav.php b/app/Models/Nav.php
index 86728c6e..3cf569b6 100644
--- a/app/Models/Nav.php
+++ b/app/Models/Nav.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Caches\NavListCache;
 use Phalcon\Mvc\Model\Behavior\SoftDelete;
 
 class Nav extends Model
@@ -22,14 +23,14 @@ class Nav extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 上级编号
      *
-     * @var integer
+     * @var int
      */
     public $parent_id;
 
@@ -43,14 +44,14 @@ class Nav extends Model
     /**
      * 优先级
      *
-     * @var integer
+     * @var int
      */
     public $priority;
 
     /**
      * 层级
      *
-     * @var integer
+     * @var int
      */
     public $level;
 
@@ -85,28 +86,35 @@ class Nav extends Model
     /**
      * 发布标识
      *
-     * @var integer
+     * @var int
      */
     public $published;
 
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
+    /**
+     * 节点数
+     *
+     * @var int
+     */
+    public $child_count;
+
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -137,6 +145,22 @@ class Nav extends Model
         $this->updated_at = time();
     }
 
+    public function afterCreate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function afterUpdate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function rebuildCache()
+    {
+        $navListCache = new NavListCache();
+        $navListCache->rebuild();
+    }
+
     public static function positions()
     {
         $list = [
diff --git a/app/Models/Order.php b/app/Models/Order.php
index 9d623db1..142cebbe 100644
--- a/app/Models/Order.php
+++ b/app/Models/Order.php
@@ -34,7 +34,7 @@ class Order extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -62,7 +62,7 @@ class Order extends Model
     /**
      * 用户编号
      *
-     * @var integer
+     * @var int
      */
     public $user_id;
 
@@ -111,21 +111,21 @@ class Order extends Model
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -154,7 +154,7 @@ class Order extends Model
 
         $this->created_at = time();
 
-        if (is_array($this->item_info) && !empty($this->item_info)) {
+        if (!empty($this->item_info)) {
             $this->item_info = kg_json_encode($this->item_info);
         }
     }
@@ -170,8 +170,10 @@ class Order extends Model
 
     public function afterFetch()
     {
+        $this->amount = (float)$this->amount;
+
         if (!empty($this->item_info)) {
-            $this->item_info = json_decode($this->item_info);
+            $this->item_info = json_decode($this->item_info, true);
         }
     }
 
diff --git a/app/Models/Package.php b/app/Models/Package.php
index 2215a6b4..b7860ecd 100644
--- a/app/Models/Package.php
+++ b/app/Models/Package.php
@@ -10,7 +10,7 @@ class Package extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -45,35 +45,35 @@ class Package extends Model
     /**
      * 课程数量
      *
-     * @var integer
+     * @var int
      */
     public $course_count;
 
     /**
      * 发布标识
      *
-     * @var integer
+     * @var int
      */
     public $published;
 
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
diff --git a/app/Models/Page.php b/app/Models/Page.php
index 9158692c..ff5f9dd5 100644
--- a/app/Models/Page.php
+++ b/app/Models/Page.php
@@ -10,7 +10,7 @@ class Page extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -31,21 +31,21 @@ class Page extends Model
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
diff --git a/app/Models/Refund.php b/app/Models/Refund.php
index ecd504c8..35b67759 100644
--- a/app/Models/Refund.php
+++ b/app/Models/Refund.php
@@ -20,7 +20,7 @@ class Refund extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -80,8 +80,6 @@ class Refund extends Model
      */
     public $order_sn;
 
-
-
     /**
      * 状态类型
      *
@@ -92,21 +90,21 @@ class Refund extends Model
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -141,6 +139,11 @@ class Refund extends Model
         $this->updated_at = time();
     }
 
+    public function afterFetch()
+    {
+        $this->amount = (float)$this->amount;
+    }
+
     public static function statuses()
     {
         $list = [
diff --git a/app/Models/Reply.php b/app/Models/Reply.php
new file mode 100644
index 00000000..326e261a
--- /dev/null
+++ b/app/Models/Reply.php
@@ -0,0 +1,130 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class Reply extends Model
+{
+
+    /**
+     * @var array 引用属性
+     */
+    protected $_quote_attrs = [
+        'author' => ['id' => 0, 'name' => ''],
+        'content' => '',
+        'created_at' => '',
+    ];
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 作者编号
+     *
+     * @var int
+     */
+    public $author_id;
+
+    /**
+     * 主题编号
+     *
+     * @var int
+     */
+    public $thread_id;
+
+    /**
+     * 内容
+     *
+     * @var string
+     */
+    public $content;
+
+    /**
+     * 引用
+     *
+     * @var string
+     */
+    public $quote;
+
+    /**
+     * 点赞数量
+     *
+     * @var int
+     */
+    public $like_count;
+
+    /**
+     * 终端IP
+     *
+     * @var string
+     */
+    public $client_ip;
+
+    /**
+     * 终端类型
+     *
+     * @var string
+     */
+    public $client_type;
+
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'reply';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/ReplyLike.php b/app/Models/ReplyLike.php
new file mode 100644
index 00000000..c2a66db1
--- /dev/null
+++ b/app/Models/ReplyLike.php
@@ -0,0 +1,79 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class ReplyLike extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 回复编号
+     *
+     * @var int
+     */
+    public $reply_id;
+
+    /**
+     * 用户编号
+     *
+     * @var int
+     */
+    public $user_id;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'reply_like';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/Review.php b/app/Models/Review.php
index cb9653ca..c40851e8 100644
--- a/app/Models/Review.php
+++ b/app/Models/Review.php
@@ -9,29 +9,29 @@ class Review extends Model
 
     /**
      * 主键编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $id;
 
-    /**
-     * 用户编号
-     * 
-     * @var integer
-     */
-    public $user_id;
-
     /**
      * 课程编号
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $course_id;
 
+    /**
+     * 用户编号
+     *
+     * @var int
+     */
+    public $user_id;
+
     /**
      * 课程评分
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $rating;
 
@@ -45,28 +45,28 @@ class Review extends Model
     /**
      * 发布标识
      *
-     * @var integer
+     * @var int
      */
     public $published;
 
     /**
      * 删除标识
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
-     * 
-     * @var integer
+     *
+     * @var int
      */
     public $updated_at;
 
diff --git a/app/Models/Role.php b/app/Models/Role.php
index dc7cb745..f9a5f64f 100644
--- a/app/Models/Role.php
+++ b/app/Models/Role.php
@@ -16,7 +16,7 @@ class Role extends Model
     /**
      * 内置角色
      */
-    const ROLE_ADMIN = 1; // 管理人员
+    const ROLE_ROOT = 1; // 管理人员
     const ROLE_OPERATOR = 2; // 运营人员
     const ROLE_EDITOR = 3; // 编辑人员
     const ROLE_FINANCE = 4; // 财务人员
@@ -24,7 +24,7 @@ class Role extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -59,28 +59,28 @@ class Role extends Model
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 成员数
      *
-     * @var integer
+     * @var int
      */
     public $user_count;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -105,7 +105,7 @@ class Role extends Model
     {
         $this->created_at = time();
 
-        if (is_array($this->routes) && !empty($this->routes)) {
+        if (!empty($this->routes)) {
             $this->routes = kg_json_encode($this->routes);
         }
     }
@@ -114,7 +114,7 @@ class Role extends Model
     {
         $this->updated_at = time();
 
-        if (is_array($this->routes) && !empty($this->routes)) {
+        if (!empty($this->routes)) {
             $this->routes = kg_json_encode($this->routes);
         }
     }
@@ -122,7 +122,7 @@ class Role extends Model
     public function afterFetch()
     {
         if (!empty($this->routes)) {
-            $this->routes = json_decode($this->routes, true);
+            $this->routes = json_decode($this->routes);
         }
     }
 
@@ -139,7 +139,7 @@ class Role extends Model
     public static function sysRoles()
     {
         $list = [
-            self::ROLE_ADMIN => '管理人员',
+            self::ROLE_ROOT => '管理人员',
             self::ROLE_OPERATOR => '运营人员',
             self::ROLE_EDITOR => '编辑人员',
             self::ROLE_FINANCE => '财务人员',
diff --git a/app/Models/Slide.php b/app/Models/Slide.php
index ba3149ae..5cfd77a8 100644
--- a/app/Models/Slide.php
+++ b/app/Models/Slide.php
@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Caches\SlideList as SlideListCache;
 use Phalcon\Mvc\Model\Behavior\SoftDelete;
 
 class Slide extends Model
@@ -17,7 +18,7 @@ class Slide extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -59,49 +60,49 @@ class Slide extends Model
     /**
      * 优先级
      *
-     * @var integer
+     * @var int
      */
     public $priority;
 
     /**
      * 发布标识
      *
-     * @var integer
+     * @var int
      */
     public $published;
 
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 开始时间
      *
-     * @var integer
+     * @var int
      */
     public $start_time;
 
     /**
      * 结束时间
      *
-     * @var integer
+     * @var int
      */
     public $end_time;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -132,6 +133,22 @@ class Slide extends Model
         $this->updated_at = time();
     }
 
+    public function afterCreate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function afterUpdate()
+    {
+        $this->rebuildCache();
+    }
+
+    public function rebuildCache()
+    {
+        $slideListCache = new SlideListCache();
+        $slideListCache->rebuild();
+    }
+
     public static function targets()
     {
         $list = [
diff --git a/app/Models/Task.php b/app/Models/Task.php
index 93794ac6..2e9d5c6f 100644
--- a/app/Models/Task.php
+++ b/app/Models/Task.php
@@ -27,21 +27,21 @@ class Task extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
     /**
      * 条目编号
      *
-     * @var integer
+     * @var int
      */
     public $item_id;
 
     /**
      * 条目类型
      *
-     * @var integer
+     * @var int
      */
     public $item_type;
 
@@ -55,35 +55,35 @@ class Task extends Model
     /**
      * 优先级
      *
-     * @var integer
+     * @var int
      */
     public $priority;
 
     /**
      * 状态标识
      *
-     * @var integer
+     * @var int
      */
     public $status;
 
     /**
      * 重试次数
      *
-     * @var integer
+     * @var int
      */
     public $try_count;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
diff --git a/app/Models/Thread.php b/app/Models/Thread.php
new file mode 100644
index 00000000..becd5865
--- /dev/null
+++ b/app/Models/Thread.php
@@ -0,0 +1,149 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class Thread extends Model
+{
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 作者编号
+     *
+     * @var int
+     */
+    public $author_id;
+
+    /**
+     * 课程编号
+     *
+     * @var int
+     */
+    public $course_id;
+
+    /**
+     * 章节编号
+     *
+     * @var int
+     */
+    public $chapter_id;
+
+    /**
+     * 标题
+     *
+     * @var string
+     */
+    public $title;
+
+    /**
+     * 内容
+     *
+     * @var string
+     */
+    public $content;
+
+    /**
+     * 置顶标识
+     *
+     * @var int
+     */
+    public $sticky;
+
+    /**
+     * 精华标识
+     *
+     * @var int
+     */
+    public $featured;
+
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 终端IP
+     *
+     * @var string
+     */
+    public $client_ip;
+
+    /**
+     * 终端类型
+     *
+     * @var string
+     */
+    public $client_type;
+
+    /**
+     * 最后回复
+     *
+     * @var int
+     */
+    public $last_reply;
+
+    /**
+     * 回复数量
+     *
+     * @var int
+     */
+    public $reply_count;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $created_at;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $updated_at;
+
+    public function getSource()
+    {
+        return 'thread';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->created_at = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->updated_at = time();
+    }
+
+}
diff --git a/app/Models/Topic.php b/app/Models/Topic.php
index 87947eea..b9f6a97e 100644
--- a/app/Models/Topic.php
+++ b/app/Models/Topic.php
@@ -10,7 +10,7 @@ class Topic extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -21,6 +21,13 @@ class Topic extends Model
      */
     public $name;
 
+    /**
+     * 别名
+     *
+     * @var string
+     */
+    public $alias;
+
     /**
      * 简介
      *
@@ -28,24 +35,38 @@ class Topic extends Model
      */
     public $summary;
 
+    /**
+     * 课程数量
+     *
+     * @var int
+     */
+    public $course_count;
+
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
     /**
      * 删除标识
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
diff --git a/app/Models/Trade.php b/app/Models/Trade.php
index 3164053d..ef1b70f1 100644
--- a/app/Models/Trade.php
+++ b/app/Models/Trade.php
@@ -24,7 +24,7 @@ class Trade extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -59,7 +59,7 @@ class Trade extends Model
     /**
      * 订单编号
      *
-     * @var integer
+     * @var int
      */
     public $order_id;
 
@@ -94,21 +94,21 @@ class Trade extends Model
     /**
      * 删除表示
      *
-     * @var integer
+     * @var int
      */
     public $deleted;
 
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -143,6 +143,11 @@ class Trade extends Model
         $this->updated_at = time();
     }
 
+    public function afterFetch()
+    {
+        $this->amount = (float)$this->amount;
+    }
+
     public static function channels()
     {
         $list = [
diff --git a/app/Models/User.php b/app/Models/User.php
index fb1a68f3..8db228a4 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -2,6 +2,9 @@
 
 namespace App\Models;
 
+use App\Caches\MaxUserId as MaxUserIdCache;
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
 class User extends Model
 {
 
@@ -14,7 +17,7 @@ class User extends Model
     /**
      * 主键编号
      *
-     * @var integer
+     * @var int
      */
     public $id;
 
@@ -25,34 +28,6 @@ class User extends Model
      */
     public $name;
 
-    /**
-     * 邮箱
-     *
-     * @var string
-     */
-    public $email;
-
-    /**
-     * 手机
-     *
-     * @var string
-     */
-    public $phone;
-
-    /**
-     * 密码
-     *
-     * @var string
-     */
-    public $password;
-
-    /**
-     * 密盐
-     *
-     * @var string
-     */
-    public $salt;
-
     /**
      * 头像
      *
@@ -77,49 +52,56 @@ class User extends Model
     /**
      * 教学角色
      *
-     * @var integer
+     * @var int
      */
     public $edu_role;
 
     /**
      * 后台角色
      *
-     * @var integer
+     * @var int
      */
     public $admin_role;
 
     /**
      * VIP标识
      *
-     * @var integer
+     * @var int
      */
     public $vip;
 
-    /**
-     * VIP期限
-     *
-     * @var integer
-     */
-    public $vip_expiry;
-
     /**
      * 锁定标识
      *
-     * @var integer
+     * @var int
      */
     public $locked;
 
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * VIP期限
+     *
+     * @var int
+     */
+    public $vip_expiry;
+
     /**
      * 锁定期限
      *
-     * @var integer
+     * @var int
      */
-    public $locked_expiry;
+    public $lock_expiry;
 
     /**
      * 最后活跃
      *
-     * @var integer
+     * @var int
      */
     public $last_active;
 
@@ -130,17 +112,32 @@ class User extends Model
      */
     public $last_ip;
 
+    /**
+     * 通知数量
+     *
+     * @var int
+     */
+    public $notice_count;
+
+    /**
+     * 私信数量
+     *
+     * @var int
+     */
+    public $msg_count;
+
+
     /**
      * 创建时间
      *
-     * @var integer
+     * @var int
      */
     public $created_at;
 
     /**
      * 更新时间
      *
-     * @var integer
+     * @var int
      */
     public $updated_at;
 
@@ -149,6 +146,18 @@ class User extends Model
         return 'user';
     }
 
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
     public function beforeCreate()
     {
         $this->created_at = time();
@@ -159,6 +168,12 @@ class User extends Model
         $this->updated_at = time();
     }
 
+    public function afterCreate()
+    {
+        $maxUserIdCache = new MaxUserIdCache();
+        $maxUserIdCache->rebuild();
+    }
+
     public static function eduRoles()
     {
         $list = [
diff --git a/app/Providers/Annotation.php b/app/Providers/Annotation.php
index 6192327e..77d7a6a9 100644
--- a/app/Providers/Annotation.php
+++ b/app/Providers/Annotation.php
@@ -5,7 +5,7 @@ namespace App\Providers;
 use Phalcon\Annotations\Adapter\Files as FileAnnotations;
 use Phalcon\Annotations\Adapter\Memory as MemoryAnnotations;
 
-class Annotation extends AbstractProvider
+class Annotation extends Provider
 {
 
     protected $serviceName = 'annotations';
diff --git a/app/Providers/Cache.php b/app/Providers/Cache.php
index 6eddc179..50ccd4e9 100644
--- a/app/Providers/Cache.php
+++ b/app/Providers/Cache.php
@@ -3,9 +3,9 @@
 namespace App\Providers;
 
 use App\Library\Cache\Backend\Redis as RedisBackend;
-use Phalcon\Cache\Frontend\Json as JsonFrontend;
+use Phalcon\Cache\Frontend\Igbinary as IgbinaryFrontend;
 
-class Cache extends AbstractProvider
+class Cache extends Provider
 {
 
     protected $serviceName = 'cache';
@@ -16,7 +16,7 @@ class Cache extends AbstractProvider
 
             $config = $this->getShared('config');
 
-            $frontend = new JsonFrontend([
+            $frontend = new IgbinaryFrontend([
                 'lifetime' => $config->redis->lifetime,
             ]);
 
diff --git a/app/Providers/CliDispatcher.php b/app/Providers/CliDispatcher.php
index e6fbf42b..aa31f8c9 100644
--- a/app/Providers/CliDispatcher.php
+++ b/app/Providers/CliDispatcher.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Cli\Dispatcher;
 
-class CliDispatcher extends AbstractProvider
+class CliDispatcher extends Provider
 {
 
     protected $serviceName = 'dispatcher';
diff --git a/app/Providers/Config.php b/app/Providers/Config.php
index 56328565..6205e56f 100644
--- a/app/Providers/Config.php
+++ b/app/Providers/Config.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Config as PhalconConfig;
 
-class Config extends AbstractProvider
+class Config extends Provider
 {
 
     protected $serviceName = 'config';
diff --git a/app/Providers/Cookie.php b/app/Providers/Cookie.php
index 2fde7903..9609c3ce 100644
--- a/app/Providers/Cookie.php
+++ b/app/Providers/Cookie.php
@@ -2,7 +2,7 @@
 
 namespace App\Providers;
 
-class Cookie extends AbstractProvider
+class Cookie extends Provider
 {
 
     protected $serviceName = 'cookies';
diff --git a/app/Providers/Crypt.php b/app/Providers/Crypt.php
index 25b6412b..c07c50f4 100644
--- a/app/Providers/Crypt.php
+++ b/app/Providers/Crypt.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Crypt as PhalconCrypt;
 
-class Crypt extends AbstractProvider
+class Crypt extends Provider
 {
 
     protected $serviceName = 'crypt';
diff --git a/app/Providers/Database.php b/app/Providers/Database.php
index 942aaa4e..d8f38396 100644
--- a/app/Providers/Database.php
+++ b/app/Providers/Database.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Db\Adapter\Pdo\Mysql as MySqlAdapter;
 
-class Database extends AbstractProvider
+class Database extends Provider
 {
 
     protected $serviceName = 'db';
@@ -22,6 +22,10 @@ class Database extends AbstractProvider
                 'username' => $config->db->username,
                 'password' => $config->db->password,
                 'charset' => $config->db->charset,
+                'options' => [
+                    \PDO::ATTR_EMULATE_PREPARES => false,
+                    \PDO::ATTR_STRINGIFY_FETCHES => false,
+                ],
             ];
 
             $connection = new MySqlAdapter($options);
diff --git a/app/Providers/Escaper.php b/app/Providers/Escaper.php
index e412c219..5505f214 100644
--- a/app/Providers/Escaper.php
+++ b/app/Providers/Escaper.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Escaper as PhalconEscaper;
 
-class Escaper extends AbstractProvider
+class Escaper extends Provider
 {
 
     protected $serviceName = 'escaper';
diff --git a/app/Providers/EventsManager.php b/app/Providers/EventsManager.php
index a2fd58eb..76cc316f 100644
--- a/app/Providers/EventsManager.php
+++ b/app/Providers/EventsManager.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Events\Manager as PhalconEventsManager;
 
-class EventsManager extends AbstractProvider
+class EventsManager extends Provider
 {
 
     protected $serviceName = 'eventsManager';
diff --git a/app/Providers/Logger.php b/app/Providers/Logger.php
index 5a6ee4c6..05bbbec3 100644
--- a/app/Providers/Logger.php
+++ b/app/Providers/Logger.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use App\Library\Logger as AppLogger;
 
-class Logger extends AbstractProvider
+class Logger extends Provider
 {
 
     protected $serviceName = 'logger';
diff --git a/app/Providers/MetaData.php b/app/Providers/MetaData.php
index 58f11445..2fd61d85 100644
--- a/app/Providers/MetaData.php
+++ b/app/Providers/MetaData.php
@@ -5,7 +5,7 @@ namespace App\Providers;
 use Phalcon\Mvc\Model\MetaData\Files as FileMetaData;
 use Phalcon\Mvc\Model\MetaData\Memory as MemoryMetaData;
 
-class MetaData extends AbstractProvider
+class MetaData extends Provider
 {
 
     protected $serviceName = 'modelsMetadata';
diff --git a/app/Providers/AbstractProvider.php b/app/Providers/Provider.php
similarity index 61%
rename from app/Providers/AbstractProvider.php
rename to app/Providers/Provider.php
index f98e451b..d5277c58 100644
--- a/app/Providers/AbstractProvider.php
+++ b/app/Providers/Provider.php
@@ -6,23 +6,23 @@ use Phalcon\DiInterface;
 use Phalcon\Mvc\User\Component;
 
 /**
- * \App\Providers\AbstractProvider
+ * \App\Providers\Provider
  *
  * @package App\Providers
  */
-abstract class AbstractProvider extends Component implements ProviderInterface
+abstract class Provider extends Component implements ProviderInterface
 {
     /**
-     * The Service name.
+     * Service name
      *
      * @var string
      */
     protected $serviceName;
 
     /**
-     * AbstractServiceProvider constructor.
+     * Service provider constructor
      *
-     * @param DiInterface $di The Dependency Injector.
+     * @param DiInterface $di
      */
     public function __construct(DiInterface $di)
     {
@@ -30,7 +30,7 @@ abstract class AbstractProvider extends Component implements ProviderInterface
     }
 
     /**
-     * Gets the Service name.
+     * Get service name
      *
      * @return string
      */
diff --git a/app/Providers/Router.php b/app/Providers/Router.php
index 238a7043..dd8bb0a1 100644
--- a/app/Providers/Router.php
+++ b/app/Providers/Router.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Mvc\Router\Annotations as AnnotationsRouter;
 
-class Router extends AbstractProvider
+class Router extends Provider
 {
 
     protected $serviceName = 'router';
@@ -16,9 +16,7 @@ class Router extends AbstractProvider
             $router = new AnnotationsRouter(false);
 
             $router->removeExtraSlashes(true);
-
             $router->setDefaultNamespace('App\Http\Home\Controllers');
-
             $router->notFound([
                 'module' => 'home',
                 'controller' => 'error',
diff --git a/app/Providers/Security.php b/app/Providers/Security.php
index f7dc3b60..79079c28 100644
--- a/app/Providers/Security.php
+++ b/app/Providers/Security.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use App\Library\Security as AppSecurity;
 
-class Security extends AbstractProvider
+class Security extends Provider
 {
 
     protected $serviceName = 'security';
diff --git a/app/Providers/Session.php b/app/Providers/Session.php
index 954641cc..2180d4d0 100644
--- a/app/Providers/Session.php
+++ b/app/Providers/Session.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Session\Adapter\Redis as RedisSession;
 
-class Session extends AbstractProvider
+class Session extends Provider
 {
 
     protected $serviceName = 'session';
diff --git a/app/Providers/Url.php b/app/Providers/Url.php
index d45ff5d1..6a934dfe 100644
--- a/app/Providers/Url.php
+++ b/app/Providers/Url.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Mvc\Url as UrlResolver;
 
-class Url extends AbstractProvider
+class Url extends Provider
 {
 
     protected $serviceName = 'url';
diff --git a/app/Providers/Volt.php b/app/Providers/Volt.php
index 1a4351d7..c6711204 100644
--- a/app/Providers/Volt.php
+++ b/app/Providers/Volt.php
@@ -4,7 +4,7 @@ namespace App\Providers;
 
 use Phalcon\Mvc\View\Engine\Volt as PhalconVolt;
 
-class Volt extends AbstractProvider
+class Volt extends Provider
 {
 
     protected $serviceName = 'volt';
@@ -34,6 +34,14 @@ class Volt extends AbstractProvider
                 return 'kg_img_url(' . $resolvedArgs . ')';
             });
 
+            $compiler->addFilter('array_object', function ($resolvedArgs) {
+                return 'kg_array_object(' . $resolvedArgs . ')';
+            });
+
+            $compiler->addFilter('object_array', function ($resolvedArgs) {
+                return 'kg_object_array(' . $resolvedArgs . ')';
+            });
+
             $compiler->addFilter('play_duration', function ($resolvedArgs) {
                 return 'kg_play_duration(' . $resolvedArgs . ')';
             });
diff --git a/app/Repos/Account.php b/app/Repos/Account.php
new file mode 100644
index 00000000..9f1780df
--- /dev/null
+++ b/app/Repos/Account.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Repos;
+
+use App\Models\Account as AccountModel;
+
+class Account extends Repository
+{
+
+    /**
+     * @param int $id
+     * @return AccountModel
+     */
+    public function findById($id)
+    {
+        $result = AccountModel::findFirst($id);
+
+        return $result;
+    }
+
+    /**
+     * @param string $phone
+     * @return AccountModel
+     */
+    public function findByPhone($phone)
+    {
+        $result = AccountModel::findFirst([
+            'conditions' => 'phone = :phone:',
+            'bind' => ['phone' => $phone],
+        ]);
+
+        return $result;
+    }
+
+    /**
+     * @param string $email
+     * @return AccountModel
+     */
+    public function findByEmail($email)
+    {
+        $result = AccountModel::findFirst([
+            'conditions' => 'email = :email:',
+            'bind' => ['email' => $email],
+        ]);
+
+        return $result;
+    }
+
+    public function findByIds($ids, $columns = '*')
+    {
+        $result = AccountModel::query()
+            ->columns($columns)
+            ->inWhere('id', $ids)
+            ->execute();
+
+        return $result;
+    }
+
+}
diff --git a/app/Repos/Audit.php b/app/Repos/Audit.php
index 138d9ee7..edb4a2c4 100644
--- a/app/Repos/Audit.php
+++ b/app/Repos/Audit.php
@@ -9,12 +9,12 @@ class Audit extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return AuditModel
      */
     public function findById($id)
     {
-        $result = AuditModel::findFirstById($id);
+        $result = AuditModel::findFirst($id);
 
         return $result;
     }
@@ -73,7 +73,7 @@ class Audit extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Category.php b/app/Repos/Category.php
index a4f6eaa6..5c970d81 100644
--- a/app/Repos/Category.php
+++ b/app/Repos/Category.php
@@ -10,12 +10,12 @@ class Category extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return CategoryModel
      */
     public function findById($id)
     {
-        $result = CategoryModel::findFirstById($id);
+        $result = CategoryModel::findFirst($id);
 
         return $result;
     }
@@ -64,6 +64,7 @@ class Category extends Repository
         $result = CategoryModel::query()
             ->where('parent_id = 0')
             ->andWhere('deleted = 0')
+            ->andWhere('published = 1')
             ->execute();
 
         return $result;
@@ -80,17 +81,28 @@ class Category extends Repository
         return $result;
     }
 
+    public function countChildCategories($categoryId)
+    {
+        $count = CategoryModel::count([
+            'conditions' => 'parent_id = :parent_id: AND deleted = 0 AND published = 1',
+            'bind' => ['parent_id' => $categoryId],
+        ]);
+
+        return (int)$count;
+    }
+
     public function countCourses($categoryId)
     {
         $phql = "SELECT COUNT(*) AS total FROM %s cc JOIN %s c ON cc.course_id = c.id 
-                 WHERE cc.category_id = :category_id: AND c.deleted = 0";
+                 WHERE cc.category_id = :category_id: AND c.published = 1 AND c.deleted = 0";
 
-        $row = $this->modelsManager->executeQuery(
-            sprintf($phql, CourseCategoryModel::class, CourseModel::class),
-            ['category_id' => $categoryId]
-        )->getFirst();
+        $phql = sprintf($phql, CourseCategoryModel::class, CourseModel::class);
 
-        return (int)$row['total'];
+        $bind = ['category_id' => $categoryId];
+
+        $record = $this->modelsManager->executeQuery($phql, $bind)->getFirst();
+
+        return (int)$record['total'];
     }
 
 }
diff --git a/app/Repos/Chapter.php b/app/Repos/Chapter.php
index b41c4bf4..867c1263 100644
--- a/app/Repos/Chapter.php
+++ b/app/Repos/Chapter.php
@@ -3,20 +3,23 @@
 namespace App\Repos;
 
 use App\Models\Chapter as ChapterModel;
-use App\Models\ChapterArticle as ChapterArticleModel;
+use App\Models\ChapterLike as ChapterLikeModel;
 use App\Models\ChapterLive as ChapterLiveModel;
+use App\Models\ChapterRead as ChapterReadModel;
+use App\Models\ChapterUser as ChapterUserModel;
 use App\Models\ChapterVod as ChapterVodModel;
+use App\Models\Comment as CommentModel;
 
 class Chapter extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return ChapterModel
      */
     public function findById($id)
     {
-        $result = ChapterModel::findFirstById($id);
+        $result = ChapterModel::findFirst($id);
 
         return $result;
     }
@@ -75,34 +78,43 @@ class Chapter extends Repository
     }
 
     /**
-     * @param integer $chapterId
+     * @param int $chapterId
      * @return ChapterVodModel
      */
     public function findChapterVod($chapterId)
     {
-        $result = ChapterVodModel::findFirstByChapterId($chapterId);
+        $result = ChapterVodModel::findFirst([
+            'conditions' => 'chapter_id = :chapter_id:',
+            'bind' => ['chapter_id' => $chapterId],
+        ]);
 
         return $result;
     }
 
     /**
-     * @param integer $chapterId
+     * @param int $chapterId
      * @return ChapterLiveModel
      */
     public function findChapterLive($chapterId)
     {
-        $result = ChapterLiveModel::findFirstByChapterId($chapterId);
+        $result = ChapterLiveModel::findFirst([
+            'conditions' => 'chapter_id = :chapter_id:',
+            'bind' => ['chapter_id' => $chapterId],
+        ]);
 
         return $result;
     }
 
     /**
-     * @param integer $chapterId
-     * @return ChapterArticleModel
+     * @param int $chapterId
+     * @return ChapterReadModel
      */
-    public function findChapterArticle($chapterId)
+    public function findChapterRead($chapterId)
     {
-        $result = ChapterArticleModel::findFirstByChapterId($chapterId);
+        $result = ChapterReadModel::findFirst([
+            'conditions' => 'chapter_id = :chapter_id:',
+            'bind' => ['chapter_id' => $chapterId],
+        ]);
 
         return $result;
     }
@@ -136,7 +148,37 @@ class Chapter extends Repository
             'bind' => ['chapter_id' => $chapterId],
         ]);
 
-        return (int)$result;
+        return $result;
+    }
+
+    public function countUsers($chapterId)
+    {
+        $count = ChapterUserModel::count([
+            'conditions' => 'chapter_id = :chapter_id: AND deleted = 0',
+            'bind' => ['chapter_id' => $chapterId],
+        ]);
+
+        return $count;
+    }
+
+    public function countComments($chapterId)
+    {
+        $count = CommentModel::count([
+            'conditions' => 'chapter_id = :chapter_id: AND deleted = 0',
+            'bind' => ['chapter_id' => $chapterId],
+        ]);
+
+        return $count;
+    }
+
+    public function countLikes($chapterId)
+    {
+        $count = ChapterLikeModel::count([
+            'conditions' => 'chapter_id = :chapter_id: AND deleted = 0',
+            'bind' => ['chapter_id' => $chapterId],
+        ]);
+
+        return $count;
     }
 
 }
diff --git a/app/Repos/ChapterLike.php b/app/Repos/ChapterLike.php
new file mode 100644
index 00000000..56e411d2
--- /dev/null
+++ b/app/Repos/ChapterLike.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Repos;
+
+use App\Models\ChapterLike as ChapterVoteModel;
+
+class ChapterLike extends Repository
+{
+
+    public function findChapterLike($chapterId, $userId)
+    {
+        $result = ChapterVoteModel::query()
+            ->where('chapter_id = :chapter_id:', ['chapter_id' => $chapterId])
+            ->andWhere('user_id = :user_id:', ['user_id' => $userId])
+            ->execute()->getFirst();
+
+        return $result;
+    }
+
+    public function paginate($where = [], $sort = 'latest', $page = 1, $limit = 15)
+    {
+        $builder = $this->modelsManager->createBuilder();
+
+        $builder->from(ChapterVoteModel::class);
+
+        $builder->where('1 = 1');
+
+        if (!empty($where['chapter_id'])) {
+            $builder->andWhere('chapter_id = :chapter_id:', ['chapter_id' => $where['chapter_id']]);
+        }
+
+        if (!empty($where['user_id'])) {
+            $builder->andWhere('user_id = :user_id:', ['user_id' => $where['user_id']]);
+        }
+
+        if (isset($where['deleted'])) {
+            $builder->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
+        switch ($sort) {
+            default:
+                $orderBy = 'id DESC';
+                break;
+        }
+
+        $builder->orderBy($orderBy);
+
+        $pager = new PagerQueryBuilder([
+            'builder' => $builder,
+            'page' => $page,
+            'limit' => $limit,
+        ]);
+
+        return $pager;
+    }
+
+}
diff --git a/app/Repos/ChapterUser.php b/app/Repos/ChapterUser.php
index f2a29025..2314f834 100644
--- a/app/Repos/ChapterUser.php
+++ b/app/Repos/ChapterUser.php
@@ -9,8 +9,8 @@ class ChapterUser extends Repository
 {
 
     /**
-     * @param integer $chapterId
-     * @param integer $userId
+     * @param int $chapterId
+     * @param int $userId
      * @return ChapterUserModel
      */
     public function findChapterUser($chapterId, $userId)
@@ -18,8 +18,7 @@ class ChapterUser extends Repository
         $result = ChapterUserModel::query()
             ->where('chapter_id = :chapter_id:', ['chapter_id' => $chapterId])
             ->andWhere('user_id = :user_id:', ['user_id' => $userId])
-            ->execute()
-            ->getFirst();
+            ->execute()->getFirst();
 
         return $result;
     }
@@ -81,7 +80,7 @@ class ChapterUser extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Comment.php b/app/Repos/Comment.php
new file mode 100644
index 00000000..b11a8cc9
--- /dev/null
+++ b/app/Repos/Comment.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace App\Repos;
+
+use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
+use App\Models\Comment as CommentModel;
+use App\Models\CommentLike as CommentLikeModel;
+
+
+class Comment extends Repository
+{
+
+    public function findById($id)
+    {
+        $result = CommentModel::findFirst($id);
+
+        return $result;
+    }
+
+    public function findByIds($ids, $columns = '*')
+    {
+        $result = CommentModel::query()
+            ->columns($columns)
+            ->inWhere('id', $ids)
+            ->execute();
+
+        return $result;
+    }
+
+    public function paginator($where = [], $sort = 'latest', $page = 1, $limit = 15)
+    {
+        $builder = $this->modelsManager->createBuilder();
+
+        $builder->from(CommentModel::class);
+
+        $builder->where('1 = 1');
+
+        if (!empty($where['id'])) {
+            $builder->andWhere('id = :id:', ['id' => $where['id']]);
+        }
+
+        if (!empty($where['parent_id'])) {
+            $builder->andWhere('parent_id = :parent_id:', ['parent_id' => $where['parent_id']]);
+        }
+
+        if (!empty($where['author_id'])) {
+            $builder->andWhere('author_id = :author_id:', ['author_id' => $where['author_id']]);
+        }
+
+        if (!empty($where['course_id'])) {
+            $builder->andWhere('course_id = :course_id:', ['course_id' => $where['course_id']]);
+        }
+
+        if (!empty($where['chapter_id'])) {
+            $builder->andWhere('chapter_id = :chapter_id:', ['chapter_id' => $where['chapter_id']]);
+        }
+
+        if (isset($where['published'])) {
+            $builder->andWhere('c.published = :published:', ['published' => $where['published']]);
+        }
+
+        if (isset($where['deleted'])) {
+            $builder->andWhere('c.deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
+        switch ($sort) {
+            default:
+                $orderBy = 'id DESC';
+                break;
+        }
+
+        $builder->orderBy($orderBy);
+
+        $pager = new PagerQueryBuilder([
+            'builder' => $builder,
+            'page' => $page,
+            'limit' => $limit,
+        ]);
+
+        return $pager->paginate();
+    }
+
+    public function countReplies($commentId)
+    {
+        $count = CommentModel::count([
+            'conditions' => 'parent_id = :parent_id: AND deleted = 0',
+            'bind' => ['parent_id' => $commentId],
+        ]);
+
+        return $count;
+    }
+
+    public function countLikes($commentId)
+    {
+        $count = CommentLikeModel::count([
+            'conditions' => 'comment_id = :comment_id: AND deleted = 0',
+            'bind' => ['comment_id' => $commentId],
+        ]);
+
+        return $count;
+    }
+
+}
diff --git a/app/Repos/CommentLike.php b/app/Repos/CommentLike.php
new file mode 100644
index 00000000..51ac23f6
--- /dev/null
+++ b/app/Repos/CommentLike.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Repos;
+
+use App\Models\CommentLike as CommentLikeModel;
+
+class CommentLike extends Repository
+{
+
+    public function findCommentLike($commentId, $userId)
+    {
+        $result = CommentLikeModel::query()
+            ->where('comment_id = :comment_id:', ['comment_id' => $commentId])
+            ->amdWhere('user_id = :user_id:', ['user_id' => $userId])
+            ->execute()->getFirst();
+
+        return $result;
+    }
+
+}
diff --git a/app/Repos/Course.php b/app/Repos/Course.php
index e2c18674..9f1aac37 100644
--- a/app/Repos/Course.php
+++ b/app/Repos/Course.php
@@ -6,10 +6,14 @@ use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
 use App\Models\Category as CategoryModel;
 use App\Models\Chapter as ChapterModel;
 use App\Models\ChapterUser as ChapterUserModel;
+use App\Models\Comment as CommentModel;
 use App\Models\Course as CourseModel;
 use App\Models\CourseCategory as CourseCategoryModel;
+use App\Models\CourseFavorite as CourseFavoriteModel;
+use App\Models\CoursePackage as CoursePackageModel;
 use App\Models\CourseRelated as CourseRelatedModel;
 use App\Models\CourseUser as CourseUserModel;
+use App\Models\Package as PackageModel;
 use App\Models\Review as ReviewModel;
 use App\Models\User as UserModel;
 
@@ -17,12 +21,12 @@ class Course extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return CourseModel
      */
     public function findById($id)
     {
-        $result = CourseModel::findFirstById($id);
+        $result = CourseModel::findFirst($id);
 
         return $result;
     }
@@ -66,6 +70,19 @@ class Course extends Repository
         return $result;
     }
 
+    public function findPackages($courseId)
+    {
+        $result = $this->modelsManager->createBuilder()
+            ->columns('p.*')
+            ->addFrom(PackageModel::class, 'p')
+            ->join(CoursePackageModel::class, 'p.id = cp.package_id', 'cp')
+            ->where('cp.course_id = :course_id:', ['course_id' => $courseId])
+            ->andWhere('p.deleted = 0')
+            ->getQuery()->execute();
+
+        return $result;
+    }
+
     public function findRelatedCourses($courseId)
     {
         $result = $this->modelsManager->createBuilder()
@@ -100,7 +117,7 @@ class Course extends Repository
         return $result;
     }
 
-    public function findUserLessons($courseId, $userId)
+    public function findUserLearnings($courseId, $userId)
     {
         $result = ChapterUserModel::query()
             ->where('course_id = :course_id:', ['course_id' => $courseId])
@@ -110,63 +127,79 @@ class Course extends Repository
         return $result;
     }
 
+    public function findConsumedUserLearnings($courseId, $userId)
+    {
+        $result = ChapterUserModel::query()
+            ->where('course_id = :course_id:', ['course_id' => $courseId])
+            ->andWhere('user_id = :user_id:', ['user_id' => $userId])
+            ->andWhere('consumed = 1')
+            ->execute();
+
+        return $result;
+    }
+
     public function paginate($where = [], $sort = 'latest', $page = 1, $limit = 15)
     {
         $builder = $this->modelsManager->createBuilder();
 
-        $builder->from(CourseModel::class);
-
-        $builder->where('1 = 1');
+        if (!empty($where['category_id'])) {
+            $builder->addFrom(CourseModel::class, 'c');
+            $builder->join(CourseCategoryModel::class, 'c.id = cc.course_id', 'cc');
+            if (is_array($where['category_id'])) {
+                $builder->inWhere('cc.category_id', $where['category_id']);
+            } else {
+                $builder->where('cc.category_id = :category_id:', ['category_id' => $where['category_id']]);
+            }
+        } else {
+            $builder->addFrom(CourseModel::class, 'c');
+            $builder->where('1 = 1');
+        }
 
         if (!empty($where['id'])) {
             if (is_array($where['id'])) {
-                $builder->inWhere('id', $where['id']);
+                $builder->inWhere('c.id', $where['id']);
             } else {
-                $builder->andWhere('id = :id:', ['id' => $where['id']]);
+                $builder->andWhere('c.id = :id:', ['id' => $where['id']]);
             }
         }
 
-        if (!empty($where['user_id'])) {
-            $builder->andWhere('user_id = :user_id:', ['user_id' => $where['user_id']]);
-        }
-
         if (!empty($where['title'])) {
-            $builder->andWhere('title LIKE :title:', ['title' => '%' . $where['title'] . '%']);
+            $builder->andWhere('c.title LIKE :title:', ['title' => "%{$where['title']}%"]);
         }
 
         if (!empty($where['model'])) {
-            $builder->andWhere('model = :model:', ['model' => $where['model']]);
+            $builder->andWhere('c.model = :model:', ['model' => $where['model']]);
         }
 
         if (!empty($where['level'])) {
-            $builder->andWhere('level = :level:', ['level' => $where['level']]);
+            $builder->andWhere('c.level = :level:', ['level' => $where['level']]);
         }
 
         if (isset($where['free'])) {
             if ($where['free'] == 1) {
-                $builder->andWhere('market_price = 0');
+                $builder->andWhere('c.market_price = 0');
             } else {
-                $builder->andWhere('market_price > 0');
+                $builder->andWhere('c.market_price > 0');
             }
         }
 
         if (isset($where['published'])) {
-            $builder->andWhere('published = :published:', ['published' => $where['published']]);
+            $builder->andWhere('c.published = :published:', ['published' => $where['published']]);
         }
 
         if (isset($where['deleted'])) {
-            $builder->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+            $builder->andWhere('c.deleted = :deleted:', ['deleted' => $where['deleted']]);
         }
 
         switch ($sort) {
             case 'rating':
-                $orderBy = 'rating DESC';
+                $orderBy = 'c.rating DESC';
                 break;
             case 'score':
-                $orderBy = 'score DESC';
+                $orderBy = 'c.score DESC';
                 break;
             default:
-                $orderBy = 'id DESC';
+                $orderBy = 'c.id DESC';
                 break;
         }
 
@@ -178,7 +211,7 @@ class Course extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
     public function countLessons($courseId)
@@ -188,17 +221,17 @@ class Course extends Repository
             'bind' => ['course_id' => $courseId],
         ]);
 
-        return (int)$count;
+        return $count;
     }
 
-    public function countStudents($courseId)
+    public function countUsers($courseId)
     {
         $count = CourseUserModel::count([
             'conditions' => 'course_id = :course_id: AND deleted = 0',
             'bind' => ['course_id' => $courseId],
         ]);
 
-        return (int)$count;
+        return $count;
     }
 
     public function countReviews($courseId)
@@ -208,7 +241,27 @@ class Course extends Repository
             'bind' => ['course_id' => $courseId],
         ]);
 
-        return (int)$count;
+        return $count;
+    }
+
+    public function countComments($courseId)
+    {
+        $count = CommentModel::count([
+            'conditions' => 'course_id = :course_id: AND deleted = 0',
+            'bind' => ['course_id' => $courseId],
+        ]);
+
+        return $count;
+    }
+
+    public function countFavorites($courseId)
+    {
+        $count = CourseFavoriteModel::count([
+            'conditions' => 'course_id = :course_id: AND deleted = 0',
+            'bind' => ['course_id' => $courseId],
+        ]);
+
+        return $count;
     }
 
 }
diff --git a/app/Repos/CourseFavorite.php b/app/Repos/CourseFavorite.php
index c7aa077f..f7c34dd6 100644
--- a/app/Repos/CourseFavorite.php
+++ b/app/Repos/CourseFavorite.php
@@ -10,10 +10,9 @@ class CourseFavorite extends Repository
     public function findCourseFavorite($courseId, $userId)
     {
         $result = CourseFavoriteModel::query()
-            ->where('course_id = :course_id:', ['course_id' => $courseId])
-            ->andWhere('user_id = :user_id:', ['user_id' => $userId])
-            ->execute()
-            ->getFirst();
+            ->where('user_id = :user_id:', ['user_id' => $userId])
+            ->andWhere('course_id = :course_id:', ['course_id' => $courseId])
+            ->execute()->getFirst();
 
         return $result;
     }
@@ -26,14 +25,18 @@ class CourseFavorite extends Repository
 
         $builder->where('1 = 1');
 
-        if (isset($where['course_id'])) {
+        if (!empty($where['course_id'])) {
             $builder->andWhere('course_id = :course_id:', ['course_id' => $where['course_id']]);
         }
 
-        if (isset($where['user_id'])) {
+        if (!empty($where['user_id'])) {
             $builder->andWhere('user_id = :user_id:', ['user_id' => $where['user_id']]);
         }
 
+        if (isset($where['deleted'])) {
+            $builder->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
         switch ($sort) {
             default:
                 $orderBy = 'id DESC';
diff --git a/app/Repos/CoursePackage.php b/app/Repos/CoursePackage.php
index 419b294f..6d2a5d44 100644
--- a/app/Repos/CoursePackage.php
+++ b/app/Repos/CoursePackage.php
@@ -12,14 +12,13 @@ class CoursePackage extends Repository
         $result = CoursePackageModel::query()
             ->where('course_id = :course_id:', ['course_id' => $courseId])
             ->andWhere('package_id = :package_id:', ['package_id' => $packageId])
-            ->orderBy('id DESC')
             ->execute()
             ->getFirst();
 
         return $result;
     }
 
-    public function findByCategoryIds($packageIds)
+    public function findByPackageIds($packageIds)
     {
         $result = CoursePackageModel::query()
             ->inWhere('package_id', $packageIds)
diff --git a/app/Repos/CourseTopic.php b/app/Repos/CourseTopic.php
new file mode 100644
index 00000000..4c7df72e
--- /dev/null
+++ b/app/Repos/CourseTopic.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Repos;
+
+use App\Models\CourseTopic as CourseTopicModel;
+
+class CourseTopic extends Repository
+{
+
+    public function findCourseTopic($courseId, $topicId)
+    {
+        $result = CourseTopicModel::query()
+            ->where('course_id = :course_id:', ['course_id' => $courseId])
+            ->andWhere('topic_id = :topic_id:', ['topic_id' => $topicId])
+            ->execute()
+            ->getFirst();
+
+        return $result;
+    }
+
+    public function findByTopicIds($topicIds)
+    {
+        $result = CourseTopicModel::query()
+            ->inWhere('topic_id', $topicIds)
+            ->execute();
+
+        return $result;
+    }
+
+    public function findByCourseIds($courseIds)
+    {
+        $result = CourseTopicModel::query()
+            ->inWhere('course_id', $courseIds)
+            ->execute();
+
+        return $result;
+    }
+
+}
diff --git a/app/Repos/CourseUser.php b/app/Repos/CourseUser.php
index e421dbce..f56b43bc 100644
--- a/app/Repos/CourseUser.php
+++ b/app/Repos/CourseUser.php
@@ -3,15 +3,14 @@
 namespace App\Repos;
 
 use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
-use App\Models\ChapterUser as ChapterUserModel;
 use App\Models\CourseUser as CourseUserModel;
 
 class CourseUser extends Repository
 {
 
     /**
-     * @param integer $courseId
-     * @param integer $userId
+     * @param int $courseId
+     * @param int $userId
      * @return CourseUserModel
      */
     public function findCourseUser($courseId, $userId)
@@ -19,15 +18,14 @@ class CourseUser extends Repository
         $result = CourseUserModel::query()
             ->where('course_id = :course_id:', ['course_id' => $courseId])
             ->andWhere('user_id = :user_id:', ['user_id' => $userId])
-            ->execute()
-            ->getFirst();
+            ->execute()->getFirst();
 
         return $result;
     }
 
     /**
-     * @param integer $courseId
-     * @param integer $userId
+     * @param int $courseId
+     * @param int $userId
      * @return CourseUserModel
      */
     public function findCourseTeacher($courseId, $userId)
@@ -38,15 +36,14 @@ class CourseUser extends Repository
             ->where('course_id = :course_id:', ['course_id' => $courseId])
             ->andWhere('user_id = :user_id:', ['user_id' => $userId])
             ->andWhere('role_type = :role_type:', ['role_type' => $roleType])
-            ->execute()
-            ->getFirst();
+            ->execute()->getFirst();
 
         return $result;
     }
 
     /**
-     * @param integer $courseId
-     * @param integer $userId
+     * @param int $courseId
+     * @param int $userId
      * @return CourseUserModel
      */
     public function findCourseStudent($courseId, $userId)
@@ -57,22 +54,11 @@ class CourseUser extends Repository
             ->where('course_id = :course_id:', ['course_id' => $courseId])
             ->andWhere('user_id = :user_id:', ['user_id' => $userId])
             ->andWhere('role_type = :role_type:', ['role_type' => $roleType])
-            ->execute()
-            ->getFirst();
+            ->execute()->getFirst();
 
         return $result;
     }
 
-    public function countFinishedChapters($courseId, $userId)
-    {
-        $count = ChapterUserModel::count([
-            'conditions' => 'course_id = :course_id: AND user_id = :user_id: AND finished = 1',
-            'bind' => ['course_id' => $courseId, 'user_id' => $userId]
-        ]);
-
-        return (int)$count;
-    }
-
     public function paginate($where = [], $sort = 'latest', $page = 1, $limit = 15)
     {
         $builder = $this->modelsManager->createBuilder();
@@ -119,7 +105,7 @@ class CourseUser extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Help.php b/app/Repos/Help.php
new file mode 100644
index 00000000..58dc6f64
--- /dev/null
+++ b/app/Repos/Help.php
@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Repos;
+
+use App\Models\Help as HelpModel;
+
+class Help extends Repository
+{
+
+    /**
+     * @param int $id
+     * @return HelpModel
+     */
+    public function findById($id)
+    {
+        $result = HelpModel::findFirst($id);
+
+        return $result;
+    }
+
+    public function findByIds($ids, $columns = '*')
+    {
+        $result = HelpModel::query()
+            ->columns($columns)
+            ->inWhere('id', $ids)
+            ->execute();
+
+        return $result;
+    }
+
+    public function findAll($where = [])
+    {
+        $query = HelpModel::query();
+
+        $query->where('1 = 1');
+
+        if (isset($where['published'])) {
+            $query->andWhere('published = :published:', ['published' => $where['published']]);
+        }
+
+        if (isset($where['deleted'])) {
+            $query->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
+        $query->orderBy('priority ASC');
+
+        $result = $query->execute();
+
+        return $result;
+    }
+
+}
diff --git a/app/Repos/Learning.php b/app/Repos/Learning.php
index 1aee120b..6e1b51b7 100644
--- a/app/Repos/Learning.php
+++ b/app/Repos/Learning.php
@@ -14,7 +14,10 @@ class Learning extends Repository
      */
     public function findByRequestId($requestId)
     {
-        $result = LearningModel::findFirstByRequestId($requestId);
+        $result = LearningModel::findFirst([
+            'conditions' => 'request_id = :request_id:',
+            'bind' => ['request_id' => $requestId],
+        ]);
 
         return $result;
     }
@@ -53,7 +56,7 @@ class Learning extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Nav.php b/app/Repos/Nav.php
index 1c062397..10d7b6ef 100644
--- a/app/Repos/Nav.php
+++ b/app/Repos/Nav.php
@@ -8,12 +8,12 @@ class Nav extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return NavModel
      */
     public function findById($id)
     {
-        $result = NavModel::findFirstById($id);
+        $result = NavModel::findFirst($id);
 
         return $result;
     }
@@ -61,4 +61,14 @@ class Nav extends Repository
         return $result;
     }
 
+    public function countChildNavs($navId)
+    {
+        $count = NavModel::count([
+            'conditions' => 'parent_id = :parent_id: AND published = 1 AND deleted = 0',
+            'bind' => ['parent_id' => $navId],
+        ]);
+
+        return (int)$count;
+    }
+
 }
diff --git a/app/Repos/Order.php b/app/Repos/Order.php
index 25063732..b62e79e7 100644
--- a/app/Repos/Order.php
+++ b/app/Repos/Order.php
@@ -11,12 +11,12 @@ class Order extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return OrderModel
      */
     public function findById($id)
     {
-        $result = OrderModel::findFirstById($id);
+        $result = OrderModel::findFirst($id);
 
         return $result;
     }
@@ -27,7 +27,10 @@ class Order extends Repository
      */
     public function findBySn($sn)
     {
-        $result = OrderModel::findFirstBySn($sn);
+        $result = OrderModel::findFirst([
+            'conditions' => 'sn = :sn:',
+            'bind' => ['sn' => $sn],
+        ]);
 
         return $result;
     }
@@ -114,7 +117,7 @@ class Order extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Package.php b/app/Repos/Package.php
index 98e95283..ffe94c52 100644
--- a/app/Repos/Package.php
+++ b/app/Repos/Package.php
@@ -11,12 +11,12 @@ class Package extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return PackageModel
      */
     public function findById($id)
     {
-        $result = PackageModel::findFirstById($id);
+        $result = PackageModel::findFirst($id);
 
         return $result;
     }
@@ -65,7 +65,7 @@ class Package extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
     public function findCourses($packageId)
@@ -75,6 +75,7 @@ class Package extends Repository
             ->addFrom(CourseModel::class, 'c')
             ->join(CoursePackageModel::class, 'c.id = cp.course_id', 'cp')
             ->where('cp.package_id = :package_id:', ['package_id' => $packageId])
+            ->andWhere('c.deleted = 0')
             ->getQuery()
             ->execute();
 
@@ -88,7 +89,7 @@ class Package extends Repository
             'bind' => ['package_id' => $packageId],
         ]);
 
-        return (int)$count;
+        return $count;
     }
 
 }
diff --git a/app/Repos/Page.php b/app/Repos/Page.php
index 5bcf00bc..b96f0ef5 100644
--- a/app/Repos/Page.php
+++ b/app/Repos/Page.php
@@ -9,12 +9,12 @@ class Page extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return PageModel
      */
     public function findById($id)
     {
-        $result = PageModel::findFirstById($id);
+        $result = PageModel::findFirst($id);
 
         return $result;
     }
@@ -59,7 +59,7 @@ class Page extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Refund.php b/app/Repos/Refund.php
index 3ea33d7c..46bec28e 100644
--- a/app/Repos/Refund.php
+++ b/app/Repos/Refund.php
@@ -9,12 +9,12 @@ class Refund extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return RefundModel
      */
     public function findById($id)
     {
-        $result = RefundModel::findFirstById($id);
+        $result = RefundModel::findFirst($id);
 
         return $result;
     }
@@ -25,7 +25,10 @@ class Refund extends Repository
      */
     public function findBySn($sn)
     {
-        $result = RefundModel::findFirstBySn($sn);
+        $result = RefundModel::findFirst([
+            'conditions' => 'sn = :sn:',
+            'bind' => ['sn' => $sn],
+        ]);
 
         return $result;
     }
@@ -80,7 +83,7 @@ class Refund extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/ReplyLike.php b/app/Repos/ReplyLike.php
new file mode 100644
index 00000000..182a425a
--- /dev/null
+++ b/app/Repos/ReplyLike.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Repos;
+
+use App\Models\ReplyLike as ReplyVoteModel;
+
+class ReplyLike extends Repository
+{
+
+    public function findReplyLike($replyId, $userId)
+    {
+        $result = ReplyVoteModel::query()
+            ->where('reply_id = :reply_id:', ['reply_id' => $replyId])
+            ->andWhere('user_id = :user_id:', ['user_id' => $userId])
+            ->execute()->getFirst();
+
+        return $result;
+    }
+
+    public function paginate($where = [], $sort = 'latest', $page = 1, $limit = 15)
+    {
+        $builder = $this->modelsManager->createBuilder();
+
+        $builder->from(ReplyVoteModel::class);
+
+        $builder->where('1 = 1');
+
+        if (!empty($where['reply_id'])) {
+            $builder->andWhere('reply_id = :reply_id:', ['reply_id' => $where['reply_id']]);
+        }
+
+        if (!empty($where['user_id'])) {
+            $builder->andWhere('user_id = :user_id:', ['user_id' => $where['user_id']]);
+        }
+
+        if (isset($where['deleted'])) {
+            $builder->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
+        switch ($sort) {
+            default:
+                $orderBy = 'id DESC';
+                break;
+        }
+
+        $builder->orderBy($orderBy);
+
+        $pager = new PagerQueryBuilder([
+            'builder' => $builder,
+            'page' => $page,
+            'limit' => $limit,
+        ]);
+
+        return $pager;
+    }
+
+}
diff --git a/app/Repos/Repository.php b/app/Repos/Repository.php
index 82c45068..040d3128 100644
--- a/app/Repos/Repository.php
+++ b/app/Repos/Repository.php
@@ -2,9 +2,7 @@
 
 namespace App\Repos;
 
-use Phalcon\Mvc\User\Component as UserComponent;
-
-class Repository extends UserComponent
+class Repository extends \Phalcon\Mvc\User\Component
 {
-    
+
 }
diff --git a/app/Repos/Review.php b/app/Repos/Review.php
index a147c559..644c3270 100644
--- a/app/Repos/Review.php
+++ b/app/Repos/Review.php
@@ -9,12 +9,12 @@ class Review extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return ReviewModel
      */
     public function findById($id)
     {
-        $result = ReviewModel::findFirstById($id);
+        $result = ReviewModel::findFirst($id);
 
         return $result;
     }
@@ -29,13 +29,17 @@ class Review extends Repository
         return $result;
     }
 
-    public function findByUserCourseId($userId, $courseId)
+    /**
+     * @param int $courseId
+     * @param int $userId
+     * @return ReviewModel
+     */
+    public function findReview($courseId, $userId)
     {
         $result = ReviewModel::query()
-            ->where('user_id = :user_id:', ['user_id' => $userId])
-            ->andWhere('course_id = :course_id:', ['course_id' => $courseId])
-            ->execute()
-            ->getFirst();
+            ->where('course_id = :course_id:', ['course_id' => $courseId])
+            ->andWhere('user_id = :user_id:', ['user_id' => $userId])
+            ->execute()->getFirst();
 
         return $result;
     }
@@ -96,7 +100,7 @@ class Review extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Role.php b/app/Repos/Role.php
index 7ba04c76..8d26b4f8 100644
--- a/app/Repos/Role.php
+++ b/app/Repos/Role.php
@@ -9,12 +9,12 @@ class Role extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return RoleModel
      */
     public function findById($id)
     {
-        $result = RoleModel::findFirstById($id);
+        $result = RoleModel::findFirst($id);
 
         return $result;
     }
diff --git a/app/Repos/Slide.php b/app/Repos/Slide.php
index d686e720..ee16ed39 100644
--- a/app/Repos/Slide.php
+++ b/app/Repos/Slide.php
@@ -9,12 +9,12 @@ class Slide extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return SlideModel
      */
     public function findById($id)
     {
-        $result = SlideModel::findFirstById($id);
+        $result = SlideModel::findFirst($id);
 
         return $result;
     }
@@ -75,7 +75,7 @@ class Slide extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/Topic.php b/app/Repos/Topic.php
new file mode 100644
index 00000000..a934d7d1
--- /dev/null
+++ b/app/Repos/Topic.php
@@ -0,0 +1,95 @@
+<?php
+
+namespace App\Repos;
+
+use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
+use App\Models\Course as CourseModel;
+use App\Models\CourseTopic as CourseTopicModel;
+use App\Models\Topic as TopicModel;
+
+class Topic extends Repository
+{
+
+    /**
+     * @param int $id
+     * @return TopicModel
+     */
+    public function findById($id)
+    {
+        $result = TopicModel::findFirst($id);
+
+        return $result;
+    }
+
+    public function findByIds($ids, $columns = '*')
+    {
+        $result = TopicModel::query()
+            ->columns($columns)
+            ->inWhere('id', $ids)
+            ->execute();
+
+        return $result;
+    }
+
+    public function paginate($where = [], $sort = 'latest', $page = 1, $limit = 15)
+    {
+        $builder = $this->modelsManager->createBuilder();
+
+        $builder->from(TopicModel::class);
+
+        $builder->where('1 = 1');
+
+        if (!empty($where['user_id'])) {
+            $builder->andWhere('user_id = :user_id:', ['user_id' => $where['user_id']]);
+        }
+
+        if (isset($where['published'])) {
+            $builder->andWhere('published = :published:', ['published' => $where['published']]);
+        }
+
+        if (isset($where['deleted'])) {
+            $builder->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
+        switch ($sort) {
+            default:
+                $orderBy = 'id DESC';
+                break;
+        }
+
+        $builder->orderBy($orderBy);
+
+        $pager = new PagerQueryBuilder([
+            'builder' => $builder,
+            'page' => $page,
+            'limit' => $limit,
+        ]);
+
+        return $pager->paginate();
+    }
+
+    public function findCourses($topicId)
+    {
+        $result = $this->modelsManager->createBuilder()
+            ->columns('c.*')
+            ->addFrom(CourseModel::class, 'c')
+            ->join(CourseTopicModel::class, 'c.id = ct.course_id', 'ct')
+            ->where('ct.topic_id = :topic_id:', ['topic_id' => $topicId])
+            ->andWhere('c.deleted = 0')
+            ->getQuery()
+            ->execute();
+
+        return $result;
+    }
+
+    public function countCourses($topicId)
+    {
+        $count = CourseTopicModel::count([
+            'conditions' => 'topic_id = :topic_id:',
+            'bind' => ['topic_id' => $topicId],
+        ]);
+
+        return $count;
+    }
+
+}
diff --git a/app/Repos/Trade.php b/app/Repos/Trade.php
index 197dfff3..6219eb0d 100644
--- a/app/Repos/Trade.php
+++ b/app/Repos/Trade.php
@@ -10,12 +10,12 @@ class Trade extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return TradeModel
      */
     public function findById($id)
     {
-        $result = TradeModel::findFirstById($id);
+        $result = TradeModel::findFirst($id);
 
         return $result;
     }
@@ -26,7 +26,10 @@ class Trade extends Repository
      */
     public function findBySn($sn)
     {
-        $result = TradeModel::findFirstBySn($sn);
+        $result = TradeModel::findFirst([
+            'conditions' => 'sn = :sn:',
+            'bind' => ['sn' => $sn],
+        ]);
 
         return $result;
     }
@@ -113,7 +116,7 @@ class Trade extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Repos/User.php b/app/Repos/User.php
index 8e2bf5f4..6adff837 100644
--- a/app/Repos/User.php
+++ b/app/Repos/User.php
@@ -3,41 +3,18 @@
 namespace App\Repos;
 
 use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
-use App\Library\Validator\Common as CommonValidator;
 use App\Models\User as UserModel;
 
 class User extends Repository
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return UserModel
      */
     public function findById($id)
     {
-        $result = UserModel::findFirstById($id);
-
-        return $result;
-    }
-
-    /**
-     * @param string $phone
-     * @return UserModel
-     */
-    public function findByPhone($phone)
-    {
-        $result = UserModel::findFirstByPhone($phone);
-
-        return $result;
-    }
-
-    /**
-     * @param string $email
-     * @return UserModel
-     */
-    public function findByEmail($email)
-    {
-        $result = UserModel::findFirstByEmail($email);
+        $result = UserModel::findFirst($id);
 
         return $result;
     }
@@ -48,28 +25,14 @@ class User extends Repository
      */
     public function findByName($name)
     {
-        $result = UserModel::findFirstByName($name);
+        $result = UserModel::findFirst([
+            'conditions' => 'name = :name:',
+            'bind' => ['name' => $name],
+        ]);
 
         return $result;
     }
 
-    /**
-     * @param string $account
-     * @return UserModel
-     */
-    public function findByAccount($account)
-    {
-        if (CommonValidator::email($account)) {
-            $user = $this->findByEmail($account);
-        } elseif (CommonValidator::phone($account)) {
-            $user = $this->findByPhone($account);
-        } else {
-            $user = $this->findByName($account);
-        }
-
-        return $user;
-    }
-
     public function findByIds($ids, $columns = '*')
     {
         $result = UserModel::query()
@@ -105,15 +68,7 @@ class User extends Repository
         }
 
         if (!empty($where['name'])) {
-            $builder->andWhere('name = :name:', ['name' => $where['name']]);
-        }
-
-        if (!empty($where['email'])) {
-            $builder->andWhere('email = :email:', ['email' => $where['email']]);
-        }
-
-        if (!empty($where['phone'])) {
-            $builder->andWhere('phone = :phone:', ['phone' => $where['phone']]);
+            $builder->andWhere('name LIKE :name:', ['name' => "%{$where['name']}%"]);
         }
 
         if (!empty($where['edu_role'])) {
@@ -132,6 +87,10 @@ class User extends Repository
             $builder->andWhere('locked = :locked:', ['locked' => $where['locked']]);
         }
 
+        if (isset($where['deleted'])) {
+            $builder->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
         switch ($sort) {
             default:
                 $orderBy = 'id DESC';
@@ -146,7 +105,7 @@ class User extends Repository
             'limit' => $limit,
         ]);
 
-        return $pager->getPaginate();
+        return $pager->paginate();
     }
 
 }
diff --git a/app/Searchers/Course.php b/app/Searchers/Course.php
deleted file mode 100644
index 19384c59..00000000
--- a/app/Searchers/Course.php
+++ /dev/null
@@ -1,119 +0,0 @@
-<?php
-
-namespace App\Searchers;
-
-use App\Models\Course as CourseModel;
-use Phalcon\Mvc\User\Component as UserComponent;
-
-class Course extends UserComponent
-{
-
-    /**
-     * @var \XS
-     */
-    protected $xs;
-
-    public function __construct()
-    {
-        $fileName = config_path() . '/xs.course.ini';
-
-        $this->xs = new \XS($fileName);
-    }
-
-    /**
-     * 获取XS
-     * @return \XS
-     */
-    public function getXS()
-    {
-        return $this->xs;
-    }
-
-    /**
-     * 搜索课程
-     *
-     * @param string $query
-     * @param integer $limit
-     * @param integer $offset
-     * @return \stdClass
-     * @throws \XSException
-     */
-    public function search($query, $limit = 15, $offset = 0)
-    {
-        $search = $this->xs->getSearch();
-
-        $docs = $search->setQuery($query)->setLimit($limit, $offset)->search();
-
-        $total = $search->getLastCount();
-
-        $fields = array_keys($this->xs->getAllFields());
-
-        $items = [];
-
-        foreach ($docs as $doc) {
-            $item = new \stdClass();
-            foreach ($fields as $field) {
-                if (in_array($field, ['title', 'summary'])) {
-                    $item->{$field} = $search->highlight($doc->{$field});
-                } else {
-                    $item->{$field} = $doc->{$field};
-                }
-            }
-            $items[] = $item;
-        }
-
-        $result = new \stdClass();
-
-        $result->total = $total;
-        $result->items = $items;
-
-        return $result;
-    }
-
-    /**
-     * 设置文档
-     *
-     * @param CourseModel $course
-     * @return \XSDocument
-     */
-    public function setDocument(CourseModel $course)
-    {
-        $doc = new \XSDocument();
-
-        $data = $this->formatDocument($course);
-
-        $doc->setFields($data);
-
-        return $doc;
-    }
-
-    /**
-     * 格式化文档
-     *
-     * @param CourseModel $course
-     * @return array
-     */
-    public function formatDocument(CourseModel $course)
-    {
-        $data = [
-            'id' => $course->id,
-            'title' => $course->title,
-            'cover' => $course->cover,
-            'summary' => $course->summary,
-            'keywords' => $course->keywords,
-            'market_price' => $course->market_price,
-            'vip_price' => $course->vip_price,
-            'expiry' => $course->expiry,
-            'rating' => $course->rating,
-            'score' => $course->score,
-            'model' => $course->model,
-            'level' => $course->level,
-            'student_count' => $course->student_count,
-            'lesson_count' => $course->lesson_count,
-            'created_at' => $course->created_at,
-        ];
-
-        return $data;
-    }
-
-}
diff --git a/app/Searchers/CourseDocumenter.php b/app/Searchers/CourseDocumenter.php
new file mode 100644
index 00000000..2d3fdf0a
--- /dev/null
+++ b/app/Searchers/CourseDocumenter.php
@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Searchers;
+
+use App\Models\Course as CourseModel;
+
+class CourseDocumenter extends \Phalcon\Mvc\User\Component
+{
+
+    /**
+     * 设置文档
+     *
+     * @param CourseModel $course
+     * @return \XSDocument
+     */
+    public function setDocument(CourseModel $course)
+    {
+        $doc = new \XSDocument();
+
+        $data = $this->formatDocument($course);
+
+        $doc->setFields($data);
+
+        return $doc;
+    }
+
+    /**
+     * 格式化文档
+     *
+     * @param CourseModel $course
+     * @return array
+     */
+    public function formatDocument(CourseModel $course)
+    {
+        if (is_array($course->attrs) || is_object($course->attrs)) {
+            $course->attrs = kg_json_encode($course->attrs);
+        }
+
+        $data = [
+            'id' => $course->id,
+            'title' => $course->title,
+            'cover' => $course->cover,
+            'summary' => $course->summary,
+            'keywords' => $course->keywords,
+            'market_price' => $course->market_price,
+            'vip_price' => $course->vip_price,
+            'expiry' => $course->expiry,
+            'score' => $course->score,
+            'model' => $course->model,
+            'level' => $course->level,
+            'attrs' => $course->attrs,
+            'user_count' => $course->user_count,
+            'lesson_count' => $course->lesson_count,
+            'created_at' => $course->created_at,
+        ];
+
+        return $data;
+    }
+
+}
diff --git a/app/Searchers/CourseSearcher.php b/app/Searchers/CourseSearcher.php
new file mode 100644
index 00000000..ea7a82df
--- /dev/null
+++ b/app/Searchers/CourseSearcher.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Searchers;
+
+class CourseSearcher extends \Phalcon\Mvc\User\Component
+{
+
+    /**
+     * @var \XS
+     */
+    protected $xs;
+
+    public function __construct()
+    {
+        $fileName = config_path() . '/xs.course.ini';
+
+        $this->xs = new \XS($fileName);
+    }
+
+    /**
+     * 获取XS
+     * @return \XS
+     */
+    public function getXS()
+    {
+        return $this->xs;
+    }
+
+    /**
+     * 搜索课程
+     *
+     * @param string $query
+     * @param int $limit
+     * @param int $offset
+     * @return array
+     * @throws \XSException
+     */
+    public function search($query, $limit = 15, $offset = 0)
+    {
+        $search = $this->xs->getSearch();
+
+        $docs = $search->setQuery($query)->setLimit($limit, $offset)->search();
+
+        $total = $search->getLastCount();
+
+        $fields = array_keys($this->xs->getAllFields());
+
+        $items = [];
+
+        foreach ($docs as $doc) {
+            $item = [];
+            foreach ($fields as $field) {
+                if (in_array($field, ['title', 'summary'])) {
+                    $item[$field] = $search->highlight($doc->{$field});
+                } else {
+                    $item[$field] = $doc->{$field};
+                }
+            }
+            $items[] = $item;
+        }
+
+        $result = [
+            'total' => $total,
+            'items' => $items,
+        ];
+
+        return $result;
+    }
+
+    /**
+     * 获取相关搜索
+     *
+     * @param string $query
+     * @param int $limit
+     * @return array
+     * @throws \XSException
+     */
+    public function getRelatedQuery($query, $limit = 10)
+    {
+        $search = $this->xs->getSearch();
+
+        $search->setQuery($query);
+
+        $result = $search->getRelatedQuery($query, $limit);
+
+        return $result;
+    }
+
+}
diff --git a/app/Services/Alipay.php b/app/Services/Alipay.php
index 3bd79634..547c1932 100644
--- a/app/Services/Alipay.php
+++ b/app/Services/Alipay.php
@@ -23,7 +23,7 @@ class Alipay extends Service
      * 查询订单（扫码生成订单后可执行）
      *
      * @param string $outTradeNo
-     * @return \Yansongda\Supports\Collection
+     * @return \Yansongda\Supports\Collection|bool
      */
     public function findOrder($outTradeNo)
     {
@@ -50,7 +50,7 @@ class Alipay extends Service
      * 撤销订单（未生成订单也可执行）
      *
      * @param string $outTradeNo
-     * @return \Yansongda\Supports\Collection
+     * @return \Yansongda\Supports\Collection|bool
      */
     public function cancelOrder($outTradeNo)
     {
@@ -77,7 +77,7 @@ class Alipay extends Service
      * 关闭订单（扫码生成订单后可执行）
      *
      * @param string $outTradeNo
-     * @return \Yansongda\Supports\Collection
+     * @return \Yansongda\Supports\Collection|bool
      */
     public function closeOrder($outTradeNo)
     {
@@ -111,7 +111,7 @@ class Alipay extends Service
      * </code>
      *
      * @param array $order
-     * @return bool|mixed
+     * @return \Yansongda\Supports\Collection|bool
      */
     public function refundOrder($order)
     {
@@ -184,7 +184,7 @@ class Alipay extends Service
             return false;
         }
 
-        if ($data->app_id != $this->config->app_id) {
+        if ($data->app_id != $this->config['app_id']) {
             return false;
         }
 
@@ -192,7 +192,9 @@ class Alipay extends Service
 
         $trade = $tradeRepo->findBySn($data->out_trade_no);
 
-        if (!$trade) return false;
+        if (!$trade) {
+            return false;
+        }
 
         if ($data->total_amount != $trade->amount) {
             return false;
@@ -217,10 +219,10 @@ class Alipay extends Service
     public function getGateway()
     {
         $config = [
-            'app_id' => $this->config->app_id,
-            'ali_public_key' => $this->config->public_key,
-            'private_key' => $this->config->private_key,
-            'notify_url' => $this->config->notify_url,
+            'app_id' => $this->config['app_id'],
+            'ali_public_key' => $this->config['public_key'],
+            'private_key' => $this->config['private_key'],
+            'notify_url' => $this->config['notify_url'],
             'log' => [
                 'file' => log_path('alipay.log'),
                 'level' => 'debug',
diff --git a/app/Services/Captcha.php b/app/Services/Captcha.php
index 3ec838f7..2639cf55 100644
--- a/app/Services/Captcha.php
+++ b/app/Services/Captcha.php
@@ -34,9 +34,10 @@ class Captcha extends Service
      */
     function verify($ticket, $rand)
     {
-        $appId = $this->config->app_id;
-        $secretKey = $this->config->secret_key;
         $userIp = $this->request->getClientAddress();
+
+        $appId = $this->config['app_id'];
+        $secretKey = $this->config['secret_key'];
         $captchaType = 9;
 
         try {
@@ -85,10 +86,10 @@ class Captcha extends Service
     {
         $secret = $this->getSectionConfig('secret');
 
-        $secretId = $secret->secret_id;
-        $secretKey = $secret->secret_key;
+        $secretId = $secret['secret_id'];
+        $secretKey = $secret['secret_key'];
 
-        $region = $this->config->region ?? 'ap-guangzhou';
+        $region = $this->config['region'] ?? 'ap-guangzhou';
 
         $credential = new Credential($secretId, $secretKey);
 
diff --git a/app/Services/Category.php b/app/Services/Category.php
index b65f6f19..403d9fad 100644
--- a/app/Services/Category.php
+++ b/app/Services/Category.php
@@ -2,81 +2,84 @@
 
 namespace App\Services;
 
-use App\Repos\Category as CategoryRepo;
-use App\Repos\CourseCategory as CourseCategoryRepo;
+use App\Caches\Category as CategoryCache;
+use App\Caches\CategoryList as CategoryListCache;
 
 class Category extends Service
 {
 
     /**
-     * 通过多个子级分类查找课程号
+     * 获取节点路径
      *
-     * @param mixed $categoryIds
+     * @param int $id
      * @return array
      */
-    public function getCourseIdsByMultiCategory($categoryIds)
+    public function getNodePaths($id)
     {
-        $courseCategoryRepo = new CourseCategoryRepo();
+        $categoryCache = new CategoryCache();
 
-        if (!is_array($categoryIds)) {
-            $categoryIds = explode(',', $categoryIds);
-        }
+        $category = $categoryCache->get($id);
 
-        $relations = $courseCategoryRepo->findByCategoryIds($categoryIds);
-
-        $result = [];
-
-        if ($relations->count() > 0) {
-            foreach ($relations as $relation) {
-                $result[] = $relation->course_id;
-            }
-        }
-
-        return $result;
-    }
-
-    /**
-     * 通过单个分类（顶级|子级）查找课程号
-     *
-     * @param integer $categoryId
-     * @return array
-     */
-    public function getCourseIdsBySingleCategory($categoryId)
-    {
-        $categoryRepo = new CategoryRepo();
-
-        $category = $categoryRepo->findById($categoryId);
-
-        $childCategoryIds = [];
-
-        if ($category->level == 1) {
-            $childCategories = $categoryRepo->findChildCategories($categoryId);
-            if ($childCategories->count() > 0) {
-                foreach ($childCategories as $category) {
-                    $childCategoryIds[] = $category->id;
-                }
-            }
-        } else {
-            $childCategoryIds[] = $categoryId;
-        }
-
-        if (empty($childCategoryIds)) {
+        if (!$category) {
             return [];
         }
 
-        $courseCategoryRepo = new CourseCategoryRepo();
+        if ($category->level == 1) {
+            return [
+                [
+                    'id' => $category->id,
+                    'name' => $category->name,
+                ]
+            ];
+        }
 
-        $relations = $courseCategoryRepo->findByCategoryIds($childCategoryIds);
+        $parent = $categoryCache->get($category->parent_id);
 
-        $result = [];
+        return [
+            [
+                'id' => $parent->id,
+                'name' => $parent->name,
+            ],
+            [
+                'id' => $category->id,
+                'name' => $category->name,
+            ]
+        ];
+    }
 
-        if ($relations->count() > 0) {
-            foreach ($relations as $relation) {
-                $result[] = $relation->course_id;
+    /**
+     * 获取子节点ID
+     *
+     * @param int $id
+     * @return array
+     */
+    public function getChildNodeIds($id)
+    {
+        $categoryCache = new CategoryCache();
+
+        $category = $categoryCache->get($id);
+
+        if (!$category) {
+            return [];
+        }
+
+        if ($category->level == 2) {
+            return [$id];
+        }
+
+        $categoryListCache = new CategoryListCache();
+
+        $categories = $categoryListCache->get();
+
+        $nodeIds = [];
+
+        foreach ($categories as $category) {
+            if ($category['parent_id'] == $id) {
+                $nodeIds[] = $category['id'];
             }
         }
 
-        return $result;
+        return $nodeIds;
     }
 
 }
diff --git a/app/Services/ChapterCacheSyncer.php b/app/Services/ChapterCacheSyncer.php
new file mode 100644
index 00000000..2399f990
--- /dev/null
+++ b/app/Services/ChapterCacheSyncer.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Services;
+
+class ChapterCacheSyncer extends Service
+{
+
+    /**
+     * @var \App\Library\Cache\Backend\Redis
+     */
+    protected $cache;
+
+    /**
+     * @var \Redis
+     */
+    protected $redis;
+
+    protected $lifetime = 86400;
+
+    public function __construct()
+    {
+        $this->cache = $this->getDI()->get('cache');
+
+        $this->redis = $this->cache->getRedis();
+    }
+
+    public function addItem($courseId)
+    {
+        $key = $this->getCacheKey();
+
+        $this->redis->sAdd($key, $courseId);
+
+        $this->redis->expire($key, $this->lifetime);
+    }
+
+    public function getCacheKey()
+    {
+        return 'chapter_cache_sync';
+    }
+
+}
diff --git a/app/Services/ChapterVod.php b/app/Services/ChapterVod.php
new file mode 100644
index 00000000..6659816c
--- /dev/null
+++ b/app/Services/ChapterVod.php
@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Services;
+
+use App\Repos\Chapter as ChapterRepo;
+
+class ChapterVod extends Service
+{
+
+    public function getVodFiles($chapterId)
+    {
+        $chapterRepo = new ChapterRepo();
+
+        $vod = $chapterRepo->findChapterVod($chapterId);
+
+        if (empty($vod->file_transcode)) {
+            return [];
+        }
+
+        /**
+         * @var array $transcode
+         */
+        $transcode = $vod->file_transcode;
+
+        $vod = new Vod();
+
+        foreach ($transcode as $key => $file) {
+            $transcode[$key]['url'] = $vod->getPlayUrl($file['url']);
+        }
+
+        return $transcode;
+    }
+
+}
diff --git a/app/Services/CourseCacheSyncer.php b/app/Services/CourseCacheSyncer.php
new file mode 100644
index 00000000..4c737601
--- /dev/null
+++ b/app/Services/CourseCacheSyncer.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Services;
+
+class CourseCacheSyncer extends Service
+{
+
+    /**
+     * @var \App\Library\Cache\Backend\Redis
+     */
+    protected $cache;
+
+    /**
+     * @var \Redis
+     */
+    protected $redis;
+
+    protected $lifetime = 86400;
+
+    public function __construct()
+    {
+        $this->cache = $this->getDI()->get('cache');
+
+        $this->redis = $this->cache->getRedis();
+    }
+
+    public function addItem($courseId)
+    {
+        $key = $this->getCacheKey();
+
+        $this->redis->sAdd($key, $courseId);
+
+        $this->redis->expire($key, $this->lifetime);
+    }
+
+    public function getCacheKey()
+    {
+        return 'course_cache_sync';
+    }
+
+}
diff --git a/app/Services/CourseIndexSyncer.php b/app/Services/CourseIndexSyncer.php
new file mode 100644
index 00000000..3e3da47d
--- /dev/null
+++ b/app/Services/CourseIndexSyncer.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Services;
+
+class CourseIndexSyncer extends Service
+{
+
+    /**
+     * @var \App\Library\Cache\Backend\Redis
+     */
+    protected $cache;
+
+    /**
+     * @var \Redis
+     */
+    protected $redis;
+
+    protected $lifetime = 86400;
+
+    public function __construct()
+    {
+        $this->cache = $this->getDI()->get('cache');
+
+        $this->redis = $this->cache->getRedis();
+    }
+
+    public function addItem($courseId)
+    {
+        $key = $this->getCacheKey();
+
+        $this->redis->sAdd($key, $courseId);
+
+        $this->redis->expire($key, $this->lifetime);
+    }
+
+    public function getCacheKey()
+    {
+        return 'course_index_sync';
+    }
+
+}
diff --git a/app/Services/CourseStats.php b/app/Services/CourseStats.php
index 380b991d..c4082273 100644
--- a/app/Services/CourseStats.php
+++ b/app/Services/CourseStats.php
@@ -20,20 +20,20 @@ class CourseStats extends Service
         $course->update();
     }
 
-    public function updateStudentCount($courseId)
+    public function updateUserCount($courseId)
     {
         $courseRepo = new CourseRepo();
 
         $course = $courseRepo->findById($courseId);
 
-        $studentCount = $courseRepo->countStudents($courseId);
+        $userCount = $courseRepo->countUsers($courseId);
 
-        $course->student_count = $studentCount;
+        $course->user_count = $userCount;
 
         $course->update();
     }
 
-    public function updateArticleWordCount($courseId)
+    public function updateReadAttrs($courseId)
     {
         $courseRepo = new CourseRepo();
 
@@ -47,58 +47,29 @@ class CourseStats extends Service
 
         $wordCount = 0;
 
+        $duration = 0;
+
         foreach ($lessons as $lesson) {
-            if (isset($lesson->attrs->word_count)) {
-                $wordCount += $lesson->attrs->word_count;
+            if (isset($lesson->attrs['word_count'])) {
+                $wordCount += $lesson->attrs['word_count'];
+            }
+            if (isset($lesson->attrs['duration'])) {
+                $duration += $lesson->attrs['duration'];
             }
         }
 
-        if ($wordCount == 0) {
-            return;
-        }
-
         /**
-         * @var \stdClass $attrs
+         * @var array $attrs
          */
         $attrs = $course->attrs;
-        $attrs->word_count = $wordCount;
+
+        $attrs['word_count'] = $wordCount;
+        $attrs['duration'] = $duration;
+
         $course->update(['attrs' => $attrs]);
     }
 
-    public function updateLiveDateRange($courseId)
-    {
-        $courseRepo = new CourseRepo();
-
-        $course = $courseRepo->findById($courseId);
-
-        $lessons = $courseRepo->findChapters($course->id);
-
-        if ($lessons->count() == 0) {
-            return;
-        }
-
-        $scopes = [];
-
-        foreach ($lessons as $lesson) {
-            if (isset($lesson->attrs->start_time)) {
-                $scopes[] = $lesson->attrs->start_time;
-            }
-        }
-
-        if (!$scopes) {
-            return;
-        }
-
-        /**
-         * @var \stdClass $attrs
-         */
-        $attrs = $course->attrs;
-        $attrs->start_date = date('Y-m-d', min($scopes));
-        $attrs->end_date = date('Y-m-d', max($scopes));
-        $course->update(['attrs' => $attrs]);
-    }
-
-    public function updateVodDuration($courseId)
+    public function updateLiveAttrs($courseId)
     {
         $courseRepo = new CourseRepo();
 
@@ -110,23 +81,54 @@ class CourseStats extends Service
             return;
         }
 
-        $duration = 0;
+        $scopes = [];
 
         foreach ($lessons as $lesson) {
-            if (isset($lesson->attrs->duration)) {
-                $duration += $lesson->attrs->duration;
+            if (isset($lesson->attrs['start_time'])) {
+                $scopes[] = $lesson->attrs['start_time'];
             }
         }
 
-        if ($duration == 0) {
+        if (!$scopes) return;
+
+        /**
+         * @var array $attrs
+         */
+        $attrs = $course->attrs;
+
+        $attrs['start_date'] = date('Y-m-d', min($scopes));
+        $attrs['end_date'] = date('Y-m-d', max($scopes));
+
+        $course->update(['attrs' => $attrs]);
+    }
+
+    public function updateVodAttrs($courseId)
+    {
+        $courseRepo = new CourseRepo();
+
+        $course = $courseRepo->findById($courseId);
+
+        $lessons = $courseRepo->findChapters($course->id);
+
+        if ($lessons->count() == 0) {
             return;
         }
 
+        $duration = 0;
+
+        foreach ($lessons as $lesson) {
+            if (isset($lesson->attrs['duration'])) {
+                $duration += $lesson->attrs['duration'];
+            }
+        }
+
         /**
-         * @var \stdClass $attrs
+         * @var array $attrs
          */
         $attrs = $course->attrs;
-        $attrs->duration = $duration;
+
+        $attrs['duration'] = $duration;
+
         $course->update(['attrs' => $attrs]);
     }
 
diff --git a/app/Services/Frontend/Course.php b/app/Services/Frontend/Course.php
new file mode 100644
index 00000000..a26af584
--- /dev/null
+++ b/app/Services/Frontend/Course.php
@@ -0,0 +1,197 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Caches\CourseChapterList as CourseChapterListCache;
+use App\Caches\CourseCounter as CourseCounterCache;
+use App\Caches\CourseTeacherList as CourseTeacherListCache;
+use App\Repos\Course as CourseRepo;
+use App\Repos\CourseFavorite as CourseFavoriteRepo;
+use App\Repos\Review as ReviewRepo;
+
+class Course extends Service
+{
+
+    /**
+     * @var int 拥有标识
+     */
+    protected $owned = 0;
+
+    use CourseTrait;
+
+    public function getCourse($id)
+    {
+        $course = $this->checkCourseCache($id);
+
+        $user = $this->getCurrentUser();
+
+        $this->owned = $this->ownedCourse($course, $user);
+
+        return $this->handleCourse($course, $user);
+    }
+
+    /**
+     * @param \App\Models\Course $course
+     * @param \App\Models\User $user
+     * @return array
+     */
+    protected function handleCourse($course, $user)
+    {
+        $result = $this->formatCourse($course);
+
+        $result['chapters'] = $this->getChapters($course, $user);
+        $result['teachers'] = $this->getTeachers($course);
+        $result['related'] = $this->getRelated($course);
+
+        $me = [
+            'owned' => 0,
+            'reviewed' => 0,
+            'favorited' => 0,
+            'progress' => 0,
+        ];
+
+        if ($user->id > 0) {
+
+            $reviewRepo = new ReviewRepo();
+
+            $review = $reviewRepo->findReview($course->id, $user->id);
+
+            if ($review) {
+                $me['reviewed'] = 1;
+            }
+
+            $favoriteRepo = new CourseFavoriteRepo();
+
+            $favorite = $favoriteRepo->findCourseFavorite($course->id, $user->id);
+
+            if ($favorite && $favorite->deleted == 0) {
+                $me['favorited'] = 1;
+            }
+
+            $courseUser = $this->getCourseUser($course->id, $user->id);
+
+            if ($courseUser) {
+                $me['progress'] = $courseUser->progress;
+            }
+
+            $me['owned'] = $this->owned;
+        }
+
+        $result['me'] = $me;
+
+        return $result;
+    }
+
+    /**
+     * @param \App\Models\Course $course
+     * @return array
+     */
+    protected function formatCourse($course)
+    {
+        $counterCache = new CourseCounterCache();
+
+        $counter = $counterCache->get($course->id);
+
+        $result = [
+            'id' => $course->id,
+            'model' => $course->model,
+            'title' => $course->title,
+            'cover' => kg_img_url($course->cover),
+            'summary' => $course->summary,
+            'details' => $course->details,
+            'keywords' => $course->keywords,
+            'market_price' => $course->market_price,
+            'vip_price' => $course->vip_price,
+            'expiry' => $course->expiry,
+            'score' => $course->score,
+            'level' => $course->level,
+            'attrs' => $course->attrs,
+            'lesson_count' => $counter['lesson_count'],
+            'user_count' => $counter['user_count'],
+            'thread_count' => $counter['thread_count'],
+            'review_count' => $counter['review_count'],
+            'favorite_count' => $counter['favorite_count'],
+        ];
+
+        return $result;
+    }
+
+    /**
+     * @param \App\Models\Course $course
+     * @param \App\Models\User $user
+     * @return array
+     */
+    protected function getChapters($course, $user)
+    {
+        $ccListCache = new CourseChapterListCache();
+
+        $chapters = $ccListCache->get($course->id);
+
+        if (!$chapters) return [];
+
+        $learningMapping = $this->getLearningMapping($course, $user);
+
+        foreach ($chapters as &$chapter) {
+            foreach ($chapter['children'] as &$lesson) {
+                $owned = ($this->owned || $lesson['free']) ? 1 : 0;
+                $progress = $learningMapping[$lesson['id']]['progress'] ?? 0;
+                $lesson['me'] = [
+                    'owned' => $owned,
+                    'progress' => $progress,
+                ];
+            }
+        }
+
+        return $chapters;
+    }
+
+    /**
+     * @param \App\Models\Course $course
+     * @return array
+     */
+    protected function getTeachers($course)
+    {
+        $ctListCache = new CourseTeacherListCache();
+
+        $teachers = $ctListCache->get($course->id);
+
+        if (!$teachers) return [];
+
+        $imgBaseUrl = kg_img_base_url();
+
+        foreach ($teachers as &$teacher) {
+            $teacher['avatar'] = $imgBaseUrl . $teacher['avatar'];
+        }
+
+        return $teachers;
+    }
+
+    /**
+     * @param \App\Models\Course $course
+     * @param \App\Models\User $user
+     * @return array
+     */
+    protected function getLearningMapping($course, $user)
+    {
+        if ($user->id == 0) {
+            return [];
+        }
+
+        $courseRepo = new CourseRepo();
+
+        $userLearnings = $courseRepo->findUserLearnings($course->id, $user->id);
+
+        $mapping = [];
+
+        if ($userLearnings->count() > 0) {
+            foreach ($userLearnings as $learning) {
+                $mapping[$learning['chapter_id']] = [
+                    'progress' => (int)$learning['progress'],
+                ];
+            }
+        }
+
+        return $mapping;
+    }
+
+}
diff --git a/app/Services/Frontend/CourseFavorite.php b/app/Services/Frontend/CourseFavorite.php
new file mode 100644
index 00000000..42a0b810
--- /dev/null
+++ b/app/Services/Frontend/CourseFavorite.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Models\CourseFavorite as FavoriteModel;
+use App\Repos\CourseFavorite as CourseFavoriteRepo;
+
+class CourseFavorite extends Service
+{
+
+    use CourseTrait;
+
+    public function saveFavorite($id)
+    {
+        $course = $this->checkCourse($id);
+
+        $user = $this->getLoginUser();
+
+        $favoriteRepo = new CourseFavoriteRepo();
+
+        $favorite = $favoriteRepo->findCourseFavorite($course->id, $user->id);
+
+        if (!$favorite) {
+
+            $favorite = new FavoriteModel();
+            $favorite->course_id = $course->id;
+            $favorite->user_id = $user->id;
+            $favorite->create();
+
+            $course->favorite_count += 1;
+            $course->update();
+
+        } else {
+
+            if ($favorite->deleted == 0) {
+                $favorite->deleted = 1;
+                $course->favorite_count -= 1;
+            } else {
+                $favorite->deleted = 0;
+                $course->favorite_count += 1;
+            }
+
+            $favorite->update();
+            $course->update();
+        }
+    }
+
+}
diff --git a/app/Services/Frontend/CourseList.php b/app/Services/Frontend/CourseList.php
new file mode 100644
index 00000000..a251eadd
--- /dev/null
+++ b/app/Services/Frontend/CourseList.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Builders\CourseList as CourseListBuilder;
+use App\Library\Paginator\Query as PagerQuery;
+use App\Repos\Course as CourseRepo;
+use App\Services\Category as CategoryService;
+
+class CourseList extends Service
+{
+
+    public function getCourses()
+    {
+        $pagerQuery = new PagerQuery();
+
+        $params = $pagerQuery->getParams();
+
+        if (!empty($params['category_id'])) {
+            $categoryService = new CategoryService();
+            $childNodeIds = $categoryService->getChildNodeIds($params['category_id']);
+            $params['category_id'] = $childNodeIds;
+        }
+
+        $params['published'] = 1;
+        $params['deleted'] = 0;
+
+        $sort = $pagerQuery->getSort();
+        $page = $pagerQuery->getPage();
+        $limit = $pagerQuery->getLimit();
+
+        $courseRepo = new CourseRepo();
+
+        $pager = $courseRepo->paginate($params, $sort, $page, $limit);
+
+        return $this->handleCourses($pager);
+    }
+
+    protected function handleCourses($pager)
+    {
+        if ($pager->total_items > 0) {
+
+            $builder = new CourseListBuilder();
+
+            $pipeA = $pager->items->toArray();
+            $pipeB = $builder->handleCourses($pipeA);
+            $pipeC = $builder->handleCategories($pipeB);
+
+            $pager->items = $pipeC;
+        }
+
+        return $pager;
+    }
+
+}
diff --git a/app/Services/Frontend/CourseRelated.php b/app/Services/Frontend/CourseRelated.php
new file mode 100644
index 00000000..1084e1be
--- /dev/null
+++ b/app/Services/Frontend/CourseRelated.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Caches\CourseRelatedList as CourseRelatedListCache;
+
+class CourseRelated extends Service
+{
+
+    use CourseTrait;
+
+    public function getRelated($id)
+    {
+        $course = $this->checkCourseCache($id);
+
+        $crListCache = new CourseRelatedListCache();
+
+        $relatedCourses = $crListCache->get($course->id);
+
+        if (!$relatedCourses) {
+            return [];
+        }
+
+        $imgBaseUrl = kg_img_base_url();
+
+        foreach ($relatedCourses as &$course) {
+            $course['cover'] = $imgBaseUrl . $course['cover'];
+        }
+
+        return $relatedCourses;
+    }
+
+}
diff --git a/app/Services/Frontend/CourseReview.php b/app/Services/Frontend/CourseReview.php
new file mode 100644
index 00000000..a6d7bbec
--- /dev/null
+++ b/app/Services/Frontend/CourseReview.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Builders\ReviewList as ReviewListBuilder;
+use App\Library\Paginator\Query as PagerQuery;
+use App\Models\Review as ReviewModel;
+use App\Repos\Review as ReviewRepo;
+use App\Validators\Review as ReviewValidator;
+
+class CourseReview extends Service
+{
+
+    use CourseTrait;
+
+    public function getReviews($id)
+    {
+        $course = $this->checkCourseCache($id);
+
+        $pagerQuery = new PagerQuery();
+
+        $sort = $pagerQuery->getSort();
+        $page = $pagerQuery->getPage();
+        $limit = $pagerQuery->getLimit();
+
+        $params = [
+            'course_id' => $course->id,
+            'published' => 1,
+            'deleted' => 0,
+        ];
+
+        $reviewRepo = new ReviewRepo();
+
+        $pager = $reviewRepo->paginate($params, $sort, $page, $limit);
+
+        return $this->handleReviews($pager);
+    }
+
+    public function saveReview($id)
+    {
+        $post = $this->request->getPost();
+
+        $course = $this->checkCourse($id);
+
+        $user = $this->getLoginUser();
+
+        $validator = new ReviewValidator();
+
+        $rating = $validator->checkRating($post['rating']);
+        $content = $validator->checkContent($post['content']);
+
+        $reviewRepo = new ReviewRepo();
+
+        $review = $reviewRepo->findReview($course->id, $user->id);
+
+        if (!$review) {
+            $review = new ReviewModel();
+            $review->course_id = $course->id;
+            $review->user_id = $user->id;
+            $review->rating = $rating;
+            $review->content = $content;
+            $review->create();
+
+            $course->review_count += 1;
+            $course->update();
+        } else {
+            $review->rating = $rating;
+            $review->content = $content;
+            $review->update();
+        }
+    }
+
+    protected function handleReviews($pager)
+    {
+        if ($pager->total_items > 0) {
+
+            $builder = new ReviewListBuilder();
+
+            $pipeA = $pager->items->toArray();
+            $pipeB = $builder->handleUsers($pipeA);
+
+            $pager->items = $pipeB;
+        }
+
+        return $pager;
+    }
+
+}
diff --git a/app/Services/Frontend/CourseTrait.php b/app/Services/Frontend/CourseTrait.php
new file mode 100644
index 00000000..9e9215a4
--- /dev/null
+++ b/app/Services/Frontend/CourseTrait.php
@@ -0,0 +1,80 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Caches\CourseUser as CourseUserCache;
+use App\Validators\Course as CourseValidator;
+
+trait CourseTrait
+{
+
+    public function checkCourse($id)
+    {
+        $validator = new CourseValidator();
+
+        $course = $validator->checkCourse($id);
+
+        return $course;
+    }
+
+    public function checkCourseCache($id)
+    {
+        $validator = new CourseValidator();
+
+        $course = $validator->checkCourseCache($id);
+
+        return $course;
+    }
+
+    /**
+     * @param $courseId
+     * @param $userId
+     * @return \App\Models\CourseUser|null
+     */
+    public function getCourseUser($courseId, $userId)
+    {
+        if (!$courseId || !$userId) {
+            return null;
+        }
+
+        $key = "{$courseId}_{$userId}";
+
+        $courseUserCache = new CourseUserCache();
+
+        $courseUser = $courseUserCache->get($key);
+
+        return $courseUser;
+    }
+
+    /**
+     * @param \App\Models\Course $course
+     * @param \App\Models\User $user
+     * @return bool
+     */
+    public function ownedCourse($course, $user)
+    {
+        if ($course->market_price == 0) {
+            return true;
+        }
+
+        if ($course->vip_price == 0 && $user->vip == 1) {
+            return true;
+        }
+
+        if ($user->id == 0) {
+            return false;
+        }
+
+        $courseUser = $this->getCourseUser($course->id, $user->id);
+
+        $caseAOk = $courseUser->deleted == 0;
+        $caseBOk = $courseUser->expire_time < time();
+
+        if ($courseUser && $caseAOk && $caseBOk) {
+            return true;
+        }
+
+        return false;
+    }
+
+}
diff --git a/app/Services/Frontend/Service.php b/app/Services/Frontend/Service.php
new file mode 100644
index 00000000..96747a34
--- /dev/null
+++ b/app/Services/Frontend/Service.php
@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Models\User as UserModel;
+use App\Validators\Validator as AppValidator;
+
+class Service extends \Phalcon\Mvc\User\Component
+{
+
+    public function getCurrentUser()
+    {
+        $authUser = $this->getAuthUser();
+
+        if ($authUser) {
+            $user = UserModel::findFirst($authUser->id);
+        } else {
+            $user = $this->getGuestUser();
+        }
+
+        return $user;
+    }
+
+    public function getLoginUser()
+    {
+        $authUser = $this->getAuthUser();
+
+        $validator = new AppValidator();
+
+        $validator->checkAuthUser($authUser);
+
+        $user = UserModel::findFirst($authUser->id);
+
+        return $user;
+    }
+
+    public function getAuthUser()
+    {
+        $auth = $this->getDI()->get('auth');
+
+        return $auth->getAuthInfo();
+    }
+
+    public function getGuestUser()
+    {
+        $user = new UserModel();
+
+        $user->id = 0;
+        $user->name = 'guest';
+
+        return $user;
+    }
+
+}
diff --git a/app/Services/Learning.php b/app/Services/LearningSyncer.php
similarity index 91%
rename from app/Services/Learning.php
rename to app/Services/LearningSyncer.php
index dfdffdbd..4b92075b 100644
--- a/app/Services/Learning.php
+++ b/app/Services/LearningSyncer.php
@@ -5,7 +5,7 @@ namespace App\Services;
 use App\Models\Learning as LearningModel;
 use App\Traits\Client as ClientTrait;
 
-class Learning extends Service
+class LearningSyncer extends Service
 {
 
     use ClientTrait;
@@ -24,7 +24,7 @@ class Learning extends Service
 
     public function save(LearningModel $learning, $timeout = 10)
     {
-        // 秒和毫秒判断
+        // 兼容秒和毫秒
         if ($timeout > 1000) {
             $timeout = intval($timeout / 1000);
         }
@@ -42,20 +42,15 @@ class Learning extends Service
             'chapter_id' => $learning->chapter_id,
             'user_id' => $learning->user_id,
             'position' => $learning->position,
-            'client_ip' => $clientIp,
             'client_type' => $clientType,
+            'client_ip' => $clientIp,
         ];
 
         if (!$item) {
-
             $content['duration'] = $timeout;
-
             $this->cache->save($key, $content, $this->lifetime);
-
         } else {
-
-            $content['duration'] = $item->duration + $timeout;
-
+            $content['duration'] = $item['duration'] + $timeout;
             $this->cache->save($key, $content, $this->lifetime);
         }
     }
diff --git a/app/Services/Live.php b/app/Services/Live.php
index 9c1b2aed..776ad2f9 100644
--- a/app/Services/Live.php
+++ b/app/Services/Live.php
@@ -20,10 +20,10 @@ class Live extends Service
      */
     function getPushUrl($streamName)
     {
-        $authEnabled = $this->config->push_auth_enabled;
-        $authKey = $this->config->push_auth_key;
-        $expireTime = $this->config->push_auth_delta + time();
-        $domain = $this->config->push_domain;
+        $authEnabled = $this->config['push_auth_enabled'];
+        $authKey = $this->config['push_auth_key'];
+        $expireTime = $this->config['push_auth_delta'] + time();
+        $domain = $this->config['push_domain'];
         $appName = 'live';
 
         $authParams = $this->getAuthParams($streamName, $authKey, $expireTime);
@@ -47,16 +47,18 @@ class Live extends Service
 
         $extensions = ['flv', 'm3u8'];
 
-        if (!in_array($extension, $extensions)) return;
+        if (!in_array($extension, $extensions)) {
+            return null;
+        }
 
         $appName = 'live';
 
-        $protocol = $this->config->pull_protocol;
-        $domain = $this->config->pull_domain;
-        $authEnabled = $this->config->pull_auth_enabled;
-        $transEnabled = $this->config->pull_trans_enabled;
-        $authKey = $this->config->pull_auth_key;
-        $expireTime = $this->config->pull_auth_delta + time();
+        $protocol = $this->config['pull_protocol'];
+        $domain = $this->config['pull_domain'];
+        $authEnabled = $this->config['pull_auth_enabled'];
+        $transEnabled = $this->config['pull_trans_enabled'];
+        $authKey = $this->config['pull_auth_key'];
+        $expireTime = $this->config['pull_auth_delta'] + time();
 
         $urls = [];
 
@@ -83,7 +85,7 @@ class Live extends Service
      *
      * @param string $streamName
      * @param string $authKey
-     * @param integer $expireTime
+     * @param int $expireTime
      * @return string
      */
     protected function getAuthParams($streamName, $authKey, $expireTime)
diff --git a/app/Services/Mailer.php b/app/Services/Mailer.php
index 3f1b8139..60d9ac8c 100644
--- a/app/Services/Mailer.php
+++ b/app/Services/Mailer.php
@@ -41,21 +41,21 @@ class Mailer extends Service
 
         $config = [
             'driver' => 'smtp',
-            'host' => $opt->smtp_host,
-            'port' => $opt->smtp_port,
+            'host' => $opt['smtp_host'],
+            'port' => $opt['smtp_port'],
             'from' => [
-                'email' => $opt->smtp_from_email,
-                'name' => $opt->smtp_from_name,
+                'email' => $opt['smtp_from_email'],
+                'name' => $opt['smtp_from_name'],
             ],
         ];
 
-        if ($opt->smtp_encryption) {
-            $config['encryption'] = $opt->smtp_encryption;
+        if ($opt['smtp_encryption']) {
+            $config['encryption'] = $opt['smtp_encryption'];
         }
 
-        if ($opt->smtp_authentication) {
-            $config['username'] = $opt->smtp_username;
-            $config['password'] = $opt->smtp_password;
+        if ($opt['smtp_authentication']) {
+            $config['username'] = $opt['smtp_username'];
+            $config['password'] = $opt['smtp_password'];
         }
 
         $manager = new MailerManager($config);
diff --git a/app/Services/Order.php b/app/Services/Order.php
index 98c3ecb9..9940a23e 100644
--- a/app/Services/Order.php
+++ b/app/Services/Order.php
@@ -5,6 +5,7 @@ namespace App\Services;
 use App\Models\Course as CourseModel;
 use App\Models\Order as OrderModel;
 use App\Models\Package as PackageModel;
+use App\Models\User as UserModel;
 use App\Repos\Package as PackageRepo;
 
 class Order extends Service
@@ -14,12 +15,11 @@ class Order extends Service
      * 创建课程订单
      *
      * @param CourseModel $course
+     * @param UserModel $user
      * @return OrderModel $order
      */
-    public function createCourseOrder(CourseModel $course)
+    public function createCourseOrder(CourseModel $course, UserModel $user)
     {
-        $authUser = $this->getDI()->get('auth')->getAuthUser();
-
         $expiry = $course->expiry;
         $expireTime = strtotime("+{$expiry} days");
 
@@ -35,11 +35,11 @@ class Order extends Service
             ]
         ];
 
-        $amount = $authUser->vip ? $course->vip_price : $course->market_price;
+        $amount = $user->vip ? $course->vip_price : $course->market_price;
 
         $order = new OrderModel();
 
-        $order->user_id = $authUser->id;
+        $order->user_id = $user->id;
         $order->item_id = $course->id;
         $order->item_type = OrderModel::TYPE_COURSE;
         $order->item_info = $itemInfo;
@@ -54,12 +54,11 @@ class Order extends Service
      * 创建套餐订单
      *
      * @param PackageModel $package
+     * @param UserModel $user
      * @return OrderModel $order
      */
-    public function createPackageOrder(PackageModel $package)
+    public function createPackageOrder(PackageModel $package, UserModel $user)
     {
-        $authUser = $this->getDI()->get('auth')->getAuthUser();
-
         $packageRepo = new PackageRepo();
 
         $courses = $packageRepo->findCourses($package->id);
@@ -87,11 +86,11 @@ class Order extends Service
             ];
         }
 
-        $amount = $authUser->vip ? $package->vip_price : $package->market_price;
+        $amount = $user->vip ? $package->vip_price : $package->market_price;
 
         $order = new OrderModel();
 
-        $order->user_id = $authUser->id;
+        $order->user_id = $user->id;
         $order->item_id = $package->id;
         $order->item_type = OrderModel::TYPE_PACKAGE;
         $order->item_info = $itemInfo;
@@ -106,13 +105,12 @@ class Order extends Service
      * 创建赞赏订单
      *
      * @param CourseModel $course
+     * @param UserModel $user
      * @param float $amount
      * @return OrderModel $order
      */
-    public function createRewardOrder(CourseModel $course, $amount)
+    public function createRewardOrder(CourseModel $course, UserModel $user, $amount)
     {
-        $authUser = $this->getDI()->get('auth')->getAuthUser();
-
         $itemInfo = [
             'course' => [
                 'id' => $course->id,
@@ -123,7 +121,7 @@ class Order extends Service
 
         $order = new OrderModel();
 
-        $order->user_id = $authUser->id;
+        $order->user_id = $user->id;
         $order->item_id = $course->id;
         $order->item_type = OrderModel::TYPE_REWARD;
         $order->item_info = $itemInfo;
@@ -137,13 +135,12 @@ class Order extends Service
     /**
      * 创建会员服务订单
      *
+     * @param UserModel $user
      * @param string $duration
      * @return OrderModel
      */
-    public function createVipOrder($duration)
+    public function createVipOrder(UserModel $user, $duration)
     {
-        $authUser = $this->getDI()->get('auth')->getAuthUser();
-
         $vipInfo = new VipInfo();
 
         $vipItem = $vipInfo->getItem($duration);
@@ -158,7 +155,7 @@ class Order extends Service
 
         $order = new OrderModel();
 
-        $order->user_id = $authUser->id;
+        $order->user_id = $user->id;
         $order->item_type = OrderModel::TYPE_VIP;
         $order->item_info = $itemInfo;
         $order->amount = $vipItem['price'];
diff --git a/app/Services/Refund.php b/app/Services/Refund.php
index b32ff5eb..246ba053 100644
--- a/app/Services/Refund.php
+++ b/app/Services/Refund.php
@@ -2,7 +2,6 @@
 
 namespace App\Services;
 
-use App\Models\Course as CourseModel;
 use App\Models\Order as OrderModel;
 use App\Repos\Course as CourseRepo;
 
@@ -14,7 +13,7 @@ class Refund extends Service
         $amount = 0.00;
 
         if ($order->status != OrderModel::STATUS_FINISHED) {
-            //return $amount;
+            return $amount;
         }
 
         if ($order->item_type == OrderModel::TYPE_COURSE) {
@@ -28,12 +27,12 @@ class Refund extends Service
 
     protected function getCourseRefundAmount(OrderModel $order)
     {
-        $course = $order->item_info->course;
+        $course = $order->item_info['course'];
 
         $courseId = $order->item_id;
         $userId = $order->user_id;
         $amount = $order->amount;
-        $expireTime = $course->expire_time;
+        $expireTime = $course['expire_time'];
 
         $refundAmount = 0.00;
 
@@ -47,14 +46,14 @@ class Refund extends Service
 
     protected function getPackageRefundAmount(OrderModel $order)
     {
+        $courses = $order->item_info['courses'];
         $userId = $order->user_id;
-        $courses = $order->item_info->courses;
         $amount = $order->amount;
 
         $totalMarketPrice = 0.00;
 
         foreach ($courses as $course) {
-            $totalMarketPrice += $course->market_price;
+            $totalMarketPrice += $course['market_price'];
         }
 
         $totalRefundAmount = 0.00;
@@ -63,9 +62,9 @@ class Refund extends Service
          * 按照占比方式计算退款
          */
         foreach ($courses as $course) {
-            if ($course->expire_time > time()) {
-                $pricePercent = round($course->market_price / $totalMarketPrice, 4);
-                $refundPercent = $this->getCourseRefundPercent($course->id, $userId);
+            if ($course['expire_time'] > time()) {
+                $pricePercent = round($course['market_price'] / $totalMarketPrice, 4);
+                $refundPercent = $this->getCourseRefundPercent($userId, $course['id']);
                 $refundAmount = round($amount * $pricePercent * $refundPercent, 2);
                 $totalRefundAmount += $refundAmount;
             }
@@ -78,47 +77,25 @@ class Refund extends Service
     {
         $courseRepo = new CourseRepo();
 
-        $userLessons = $courseRepo->findUserLessons($courseId, $userId);
+        $courseLessons = $courseRepo->findLessons($courseId);
 
-        if ($userLessons->count() == 0) {
+        if ($courseLessons->count() == 0) {
             return 1.00;
         }
 
-        $course = $courseRepo->findById($courseId);
-        $lessons = $courseRepo->findLessons($courseId);
+        $userLearnings = $courseRepo->findConsumedUserLearnings($courseId, $userId);
 
-        $durationMapping = [];
-
-        foreach ($lessons as $lesson) {
-            $durationMapping[$lesson->id] = $lesson->attrs->duration ?? null;
+        if ($userLearnings->count() == 0) {
+            return 1.00;
         }
 
-        $totalCount = $course->lesson_count;
-        $finishCount = 0;
+        $courseLessonIds = kg_array_column($courseLessons->toArray(), 'id');
+        $userLessonIds = kg_array_column($userLearnings->toArray(), 'chapter_id');
+        $consumedLessonIds = array_intersect($courseLessonIds, $userLessonIds);
 
-        /**
-         * 消费规则
-         * 1.点播观看时间大于时长30%
-         * 2.直播观看时间超过10分钟
-         * 3.图文浏览即消费
-         */
-        foreach ($userLessons as $learning) {
-            $chapterId = $learning->chapter_id;
-            $duration = $durationMapping[$chapterId] ?? null;
-            if ($course->model == CourseModel::MODEL_VOD) {
-                if ($duration && $learning->duration > 0.3 * $duration) {
-                    $finishCount++;
-                }
-            } elseif ($course->model == CourseModel::MODEL_LIVE) {
-                if ($learning->duration > 600) {
-                    $finishCount++;
-                }
-            } elseif ($course->model == CourseModel::MODEL_LIVE) {
-                $finishCount++;
-            }
-        }
-
-        $refundCount = $totalCount - $finishCount;
+        $totalCount = count($courseLessonIds);
+        $consumedCount = count($consumedLessonIds);
+        $refundCount = $totalCount - $consumedCount;
 
         $percent = round($refundCount / $totalCount, 4);
 
diff --git a/app/Services/Service.php b/app/Services/Service.php
index 0bee4d07..894a4dbd 100644
--- a/app/Services/Service.php
+++ b/app/Services/Service.php
@@ -27,7 +27,7 @@ class Service extends \Phalcon\Mvc\User\Component
      * 获取某组配置项
      *
      * @param string $section
-     * @return \stdClass
+     * @return array
      */
     public function getSectionConfig($section)
     {
diff --git a/app/Services/Smser.php b/app/Services/Smser.php
index ba9a4860..2ac484f8 100644
--- a/app/Services/Smser.php
+++ b/app/Services/Smser.php
@@ -74,14 +74,14 @@ class Smser extends Service
 
     protected function createSingleSender()
     {
-        $sender = new SmsSingleSender($this->config->app_id, $this->config->app_key);
+        $sender = new SmsSingleSender($this->config['app_id'], $this->config['app_key']);
 
         return $sender;
     }
 
     protected function createMultiSender()
     {
-        $sender = new SmsMultiSender($this->config->app_id, $this->config->app_key);
+        $sender = new SmsMultiSender($this->config['app_id'], $this->config['app_key']);
 
         return $sender;
     }
@@ -95,16 +95,16 @@ class Smser extends Service
 
     protected function getTemplateId($code)
     {
-        $template = json_decode($this->config->template);
+        $template = json_decode($this->config['template'], true);
 
-        $templateId = $template->{$code}->id ?? null;
+        $templateId = $template[$code]['id'] ?? null;
 
         return $templateId;
     }
 
     protected function getSignature()
     {
-        return $this->config->signature;
+        return $this->config['signature'];
     }
 
 }
diff --git a/app/Services/Storage.php b/app/Services/Storage.php
index 8945cc5a..6b2d4283 100644
--- a/app/Services/Storage.php
+++ b/app/Services/Storage.php
@@ -121,7 +121,7 @@ class Storage extends Service
      */
     public function putString($key, $body)
     {
-        $bucket = $this->config->bucket_name;
+        $bucket = $this->config['bucket_name'];
 
         try {
 
@@ -151,7 +151,7 @@ class Storage extends Service
      */
     public function putFile($key, $fileName)
     {
-        $bucket = $this->config->bucket_name;
+        $bucket = $this->config['bucket_name'];
 
         try {
 
@@ -190,8 +190,8 @@ class Storage extends Service
     /**
      *  获取数据万象图片URL
      * @param string $key
-     * @param integer $width
-     * @param integer $height
+     * @param int $width
+     * @param int $height
      * @return string
      */
     public function getCiImageUrl($key, $width = 0, $height = 0)
@@ -208,8 +208,9 @@ class Storage extends Service
      */
     public function getBucketBaseUrl()
     {
-        $protocol = $this->config->bucket_protocol;
-        $domain = $this->config->bucket_domain;
+        $protocol = $this->config['bucket_protocol'];
+        $domain = $this->config['bucket_domain'];
+
         $result = $protocol . '://' . $domain;
 
         return $result;
@@ -222,8 +223,9 @@ class Storage extends Service
      */
     public function getCiBaseUrl()
     {
-        $protocol = $this->config->ci_protocol;
-        $domain = $this->config->ci_domain;
+        $protocol = $this->config['ci_protocol'];
+        $domain = $this->config['ci_domain'];
+
         $result = $protocol . '://' . $domain;
 
         return $result;
@@ -268,11 +270,11 @@ class Storage extends Service
         $secret = $this->getSectionConfig('secret');
 
         $client = new CosClient([
-            'region' => $this->config->bucket_region,
+            'region' => $this->config['bucket_region'],
             'schema' => 'https',
             'credentials' => [
-                'secretId' => $secret->secret_id,
-                'secretKey' => $secret->secret_key,
+                'secretId' => $secret['secret_id'],
+                'secretKey' => $secret['secret_key'],
             ]]);
 
         return $client;
diff --git a/app/Services/Trade.php b/app/Services/Trade.php
index 2c4e526b..76da91ba 100644
--- a/app/Services/Trade.php
+++ b/app/Services/Trade.php
@@ -13,7 +13,7 @@ class Trade extends Service
      * 创建交易
      *
      * @param string $sn
-     * @param integer $channel
+     * @param int $channel
      * @return TradeModel $trade
      */
     public function createTrade($sn, $channel)
diff --git a/app/Services/VipInfo.php b/app/Services/VipInfo.php
index 6fd54899..1a633a81 100644
--- a/app/Services/VipInfo.php
+++ b/app/Services/VipInfo.php
@@ -42,22 +42,22 @@ class VipInfo extends Service
             [
                 'duration' => 'one_month',
                 'label' => '1个月',
-                'price' => $this->config->one_month,
+                'price' => $this->config['one_month'],
             ],
             [
                 'duration' => 'three_month',
                 'label' => '3个月',
-                'price' => $this->config->three_month,
+                'price' => $this->config['three_month'],
             ],
             [
                 'duration' => 'six_month',
                 'label' => '6个月',
-                'price' => $this->config->six_month,
+                'price' => $this->config['six_month'],
             ],
             [
                 'duration' => 'twelve_month',
                 'label' => '12个月',
-                'price' => $this->config->twelve_month,
+                'price' => $this->config['twelve_month'],
             ],
         ];
 
diff --git a/app/Services/Vod.php b/app/Services/Vod.php
index 76834772..58b6c1a9 100644
--- a/app/Services/Vod.php
+++ b/app/Services/Vod.php
@@ -55,11 +55,11 @@ class Vod extends Service
 
         } catch (TencentCloudSDKException $e) {
 
-            $this->logger->error('Describe Audio Track Templates Exception ', kg_json_encode([
-                'code' => $e->getErrorCode(),
-                'message' => $e->getMessage(),
-                'requestId' => $e->getRequestId(),
-            ]));
+            $this->logger->error('Describe Audio Track Templates Exception ' . kg_json_encode([
+                    'code' => $e->getErrorCode(),
+                    'message' => $e->getMessage(),
+                    'requestId' => $e->getRequestId(),
+                ]));
 
             return false;
         }
@@ -74,8 +74,8 @@ class Vod extends Service
     {
         $secret = $this->getSectionConfig('secret');
 
-        $secretId = $secret->secret_id;
-        $secretKey = $secret->secret_key;
+        $secretId = $secret['secret_id'];
+        $secretKey = $secret['secret_key'];
 
         $params = [
             'secretId' => $secretId,
@@ -92,26 +92,65 @@ class Vod extends Service
     }
 
     /**
-     * 获取播放地址
+     * 获取文件转码
      *
-     * @param string $playUrl
-     * @return string
+     * @param string $fileId
+     * @return array|null
      */
-    public function getPlayUrl($playUrl)
+    public function getFileTranscode($fileId)
     {
-        if ($this->config->key_anti_enabled == 0) {
-            return $playUrl;
+        if (!$fileId) return null;
+
+        $mediaInfo = $this->getMediaInfo($fileId);
+
+        if (!$mediaInfo) return null;
+
+        $result = [];
+
+        $files = $mediaInfo['MediaInfoSet'][0]['TranscodeInfo']['TranscodeSet'];
+
+        foreach ($files as $file) {
+
+            if ($file['Definition'] == 0) {
+                continue;
+            }
+
+            $result[] = [
+                'url' => $file['Url'],
+                'width' => $file['Width'],
+                'height' => $file['Height'],
+                'definition' => $file['Definition'],
+                'duration' => intval($file['Duration']),
+                'format' => pathinfo($file['Url'], PATHINFO_EXTENSION),
+                'size' => sprintf('%0.2f', $file['Size'] / 1024 / 1024),
+                'rate' => intval($file['Bitrate'] / 1024),
+            ];
         }
 
-        $key = $this->config->key_anti_key;
-        $expiry = $this->config->key_anti_expiry ?: 10800;
+        return $result;
+    }
 
-        $path = parse_url($playUrl, PHP_URL_PATH);
+    /**
+     * 获取播放地址
+     *
+     * @param string $url
+     * @return string
+     */
+    public function getPlayUrl($url)
+    {
+        if ($this->config['key_anti_enabled'] == 0) {
+            return $url;
+        }
+
+        $key = $this->config['key_anti_key'];
+        $expiry = $this->config['key_anti_expiry'] ?: 10800;
+
+        $path = parse_url($url, PHP_URL_PATH);
         $pos = strrpos($path, '/');
         $fileName = substr($path, $pos + 1);
         $dirName = str_replace($fileName, '', $path);
 
-        $expiredTime = base_convert(time() + $expiry, 10, 16); // 过期时间(十六进制)
+        $expiredTime = base_convert(time() + $expiry, 10, 16);
         $tryTime = 0; // 试看时间，0不限制
         $ipLimit = 0; // ip数量限制，0不限制
         $random = rand(100000, 999999); // 随机数
@@ -123,7 +162,7 @@ class Vod extends Service
          */
         $myTryTime = $tryTime >= 0 ? $tryTime : 0;
         $myIpLimit = $ipLimit > 0 ? $ipLimit : '';
-        $sign = $key . $dirName . $expiredTime . $myTryTime . $myIpLimit . $random; // 签名串
+        $sign = $key . $dirName . $expiredTime . $myTryTime . $myIpLimit . $random;
 
         $query = [];
 
@@ -140,7 +179,7 @@ class Vod extends Service
         $query['us'] = $random;
         $query['sign'] = md5($sign);
 
-        $result = $playUrl . '?' . http_build_query($query);
+        $result = $url . '?' . http_build_query($query);
 
         return $result;
     }
@@ -186,7 +225,7 @@ class Vod extends Service
      * 确认事件
      *
      * @param array $eventHandles
-     * @return bool|mixed
+     * @return array|bool
      */
     public function confirmEvents($eventHandles)
     {
@@ -325,9 +364,9 @@ class Vod extends Service
         $transCodeTaskSet = [];
 
         foreach ($videoTransTemplates as $key => $template) {
-            if ($originVideoInfo['width'] >= $template['width'] ||
-                $originVideoInfo['bit_rate'] >= 1000 * $template['bit_rate']
-            ) {
+            $caseA = $originVideoInfo['width'] >= $template['width'];
+            $caseB = $originVideoInfo['bit_rate'] >= 1000 * $template['bit_rate'];
+            if ($caseA || $caseB) {
                 $item = ['Definition' => $key];
                 if ($watermarkTemplate) {
                     $item['WatermarkSet'][] = ['Definition' => $watermarkTemplate];
@@ -509,8 +548,8 @@ class Vod extends Service
     {
         $result = null;
 
-        if ($this->config->watermark_enabled && $this->config->watermark_template > 0) {
-            $result = (int)$this->config->watermark_template;
+        if ($this->config['watermark_enabled'] && $this->config['watermark_template'] > 0) {
+            $result = (int)$this->config['watermark_template'];
         }
 
         return $result;
@@ -535,7 +574,7 @@ class Vod extends Service
             30 => ['width' => 1280, 'bit_rate' => 1024, 'frame_rate' => 25],
         ];
 
-        $format = $this->config->video_format;
+        $format = $this->config['video_format'];
 
         $result = $format == 'hls' ? $hls : $mp4;
 
@@ -558,7 +597,7 @@ class Vod extends Service
             1010 => ['bit_rate' => 128, 'sample_rate' => 44100],
         ];
 
-        $result = $this->config->audio_format == 'm4a' ? $m4a : $mp3;
+        $result = $this->config['audio_format'] == 'm4a' ? $m4a : $mp3;
 
         return $result;
     }
@@ -572,10 +611,10 @@ class Vod extends Service
     {
         $secret = $this->getSectionConfig('secret');
 
-        $secretId = $secret->secret_id;
-        $secretKey = $secret->secret_key;
+        $secretId = $secret['secret_id'];
+        $secretKey = $secret['secret_key'];
 
-        $region = $this->config->storage_type == 'fixed' ? $this->config->storage_region : '';
+        $region = $this->config['storage_type'] == 'fixed' ? $this->config['storage_region'] : '';
 
         $credential = new Credential($secretId, $secretKey);
 
diff --git a/app/Services/Wxpay.php b/app/Services/Wxpay.php
index 5e4b39f9..f05a41d1 100644
--- a/app/Services/Wxpay.php
+++ b/app/Services/Wxpay.php
@@ -71,7 +71,7 @@ class Wxpay extends Service
             return false;
         }
 
-        if ($data->mch_id != $this->config->mch_id) {
+        if ($data->mch_id != $this->config['mch_id']) {
             return false;
         }
 
@@ -106,10 +106,10 @@ class Wxpay extends Service
     public function getGateway()
     {
         $config = [
-            'app_id' => $this->config->app_id,
-            'mch_id' => $this->config->mch_id,
-            'key' => $this->config->key,
-            'notify_url' => $this->config->notify_url,
+            'app_id' => $this->config['app_id'],
+            'mch_id' => $this->config['mch_id'],
+            'key' => $this->config['key'],
+            'notify_url' => $this->config['notify_url'],
             'log' => [
                 'file' => log_path('wxpay.log'),
                 'level' => 'debug',
diff --git a/app/Traits/Auth.php b/app/Traits/Auth.php
new file mode 100644
index 00000000..364e3fa7
--- /dev/null
+++ b/app/Traits/Auth.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Traits;
+
+use App\Models\User as UserModel;
+use App\Validators\Validator;
+
+trait Auth
+{
+
+    public function getCurrentUser()
+    {
+        $authUser = $this->getAuthUser();
+
+        if ($authUser) {
+            $user = UserModel::findFirst($authUser->id);
+        } else {
+            $user = new UserModel();
+        }
+
+        return $user;
+    }
+
+    public function getLoginUser()
+    {
+        $authUser = $this->getAuthUser();
+
+        $validator = new Validator();
+
+        $validator->checkAuthUser($authUser);
+
+        $user = UserModel::findFirst($authUser->id);
+
+        return $user;
+    }
+
+    public function getAuthUser()
+    {
+        $auth = $this->getDI()->get('auth');
+
+        return $auth->getAuthInfo();
+    }
+
+}
diff --git a/app/Traits/Security.php b/app/Traits/Security.php
index 248656ea..0592f275 100644
--- a/app/Traits/Security.php
+++ b/app/Traits/Security.php
@@ -23,16 +23,15 @@ trait Security
         return $checkHost;
     }
 
-    public function notSafeRequest()
+    public function isNotSafeRequest()
     {
         $method = $this->request->getMethod();
 
-        $whitelist = ['post', 'put', 'patch', 'delete'];
+        $list = ['post', 'put', 'patch', 'delete'];
 
-        $result = in_array(strtolower($method), $whitelist);
+        $result = in_array(strtolower($method), $list);
 
         return $result;
-
     }
 
 }
\ No newline at end of file
diff --git a/app/Transformers/ChapterList.php b/app/Transformers/ChapterList.php
deleted file mode 100644
index 81a5c5cb..00000000
--- a/app/Transformers/ChapterList.php
+++ /dev/null
@@ -1,51 +0,0 @@
-<?php
-
-namespace App\Transformers;
-
-class ChapterList extends Transformer
-{
-
-    public function handleProcess($chapters, $studyHistory)
-    {
-        $status = [];
-
-        if ($studyHistory) {
-            foreach ($studyHistory as $value) {
-                $status[$value['chapter_id']] = $value['finished'];
-            }
-        }
-
-        foreach ($chapters as $key => $chapter) {
-            $chapters[$key]['finished'] = isset($status[$chapter['id']]) ? $status[$chapter['id']] : 0;
-        }
-
-        return $chapters;
-    }
-
-    public function handleTree($chapters)
-    {
-        $list = [];
-
-        foreach ($chapters as $chapter) {
-            if ($chapter['parent_id'] == 0) {
-                $list[$chapter['id']] = $chapter;
-                $list[$chapter['id']]['child'] = [];
-            } else {
-                $list[$chapter['parent_id']]['child'][] = $chapter;
-            }
-        }
-
-        usort($list, function($a, $b) {
-            return $a['priority'] > $b['priority'];
-        });
-
-        foreach ($list as $key => $value) {
-            usort($list[$key]['child'], function($a, $b) {
-                return $a['priority'] > $b['priority'];
-            });
-        }
-
-        return $list;
-    }
-
-}
diff --git a/app/Transformers/ChapterUserList.php b/app/Transformers/ChapterUserList.php
deleted file mode 100644
index a87e59ce..00000000
--- a/app/Transformers/ChapterUserList.php
+++ /dev/null
@@ -1,67 +0,0 @@
-<?php
-
-namespace App\Transformers;
-
-use App\Repos\Chapter as ChapterRepo;
-use App\Repos\User as UserRepo;
-
-class ChapterUserList extends Transformer
-{
-
-    public function handleChapters($relations)
-    {
-        $courses = $this->getChapters($relations);
-
-        foreach ($relations as $key => $value) {
-            $relations[$key]['course'] = $courses[$value['chapter_id']];
-        }
-
-        return $relations;
-    }
-
-    public function handleUsers($relations)
-    {
-        $users = $this->getUsers($relations);
-
-        foreach ($relations as $key => $value) {
-            $relations[$key]['user'] = $users[$value['user_id']];
-        }
-
-        return $relations;
-    }
-
-    protected function getChapters($relations)
-    {
-        $ids = kg_array_column($relations, 'chapter_id');
-
-        $courseRepo = new ChapterRepo();
-
-        $courses = $courseRepo->findByIds($ids, ['id', 'title'])->toArray();
-
-        $result = [];
-
-        foreach ($courses as $course) {
-            $result[$course['id']] = $course;
-        }
-
-        return $result;
-    }
-
-    protected function getUsers($relations)
-    {
-        $ids = kg_array_column($relations, 'user_id');
-
-        $userRepo = new UserRepo();
-
-        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar'])->toArray();
-
-        $result = [];
-
-        foreach ($users as $user) {
-            $result[$user['id']] = $user;
-        }
-
-        return $result;
-    }
-
-}
diff --git a/app/Transformers/CommentList.php b/app/Transformers/CommentList.php
deleted file mode 100644
index ba37ed0a..00000000
--- a/app/Transformers/CommentList.php
+++ /dev/null
@@ -1,100 +0,0 @@
-<?php
-
-namespace App\Transformers;
-
-use App\Repos\Chapter as ChapterRepo;
-use App\Repos\Course as CourseRepo;
-use App\Repos\User as UserRepo;
-
-class CommentList extends Transformer
-{
-
-    public function handleCourses($comments)
-    {
-        $courses = $this->getCourses($comments);
-
-        foreach ($comments as $key => $comment) {
-            $comments[$key]['course'] = $courses[$comment['course_id']];
-        }
-
-        return $comments;
-    }
-
-    public function handleChapters($comments)
-    {
-        $chapters = $this->getChapters($comments);
-
-        foreach ($comments as $key => $comment) {
-            $comments[$key]['chapter'] = $chapters[$comment['chapter_id']];
-        }
-
-        return $comments;
-    }
-
-    public function handleUsers($comments)
-    {
-        $users = $this->getUsers($comments);
-
-        foreach ($comments as $key => $comment) {
-            $comments[$key]['user'] = $users[$comment['user_id']];
-            $comments[$key]['to_user'] = $comment['to_user_id'] > 0 ? $users[$comment['to_user_id']] : [];
-        }
-
-        return $comments;
-    }
-
-    protected function getCourses($comments)
-    {
-        $ids = kg_array_column($comments, 'course_id');
-
-        $courseRepo = new CourseRepo();
-
-        $courses = $courseRepo->findByIds($ids, ['id', 'title'])->toArray();
-
-        $result = [];
-
-        foreach ($courses as $course) {
-            $result[$course['id']] = $course;
-        }
-
-        return $result;
-    }
-
-    protected function getChapters($comments)
-    {
-        $ids = kg_array_column($comments, 'chapter_id');
-
-        $chapterRepo = new ChapterRepo();
-
-        $chapters = $chapterRepo->findByIds($ids, ['id', 'title'])->toArray();
-
-        $result = [];
-
-        foreach ($chapters as $chapter) {
-            $result[$chapter['id']] = $chapter;
-        }
-
-        return $result;
-    }
-
-    protected function getUsers($comments)
-    {
-        $userIds = kg_array_column($comments, 'user_id');
-        $toUserIds = kg_array_column($comments, 'to_user_id');
-
-        $ids = array_merge($userIds, $toUserIds);
-
-        $userRepo = new UserRepo();
-
-        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar'])->toArray();
-
-        $result = [];
-
-        foreach ($users as $user) {
-            $result[$user['id']] = $user;
-        }
-
-        return $result;
-    }
-
-}
diff --git a/app/Transformers/CourseFavoriteList.php b/app/Transformers/CourseFavoriteList.php
deleted file mode 100644
index 3833a7da..00000000
--- a/app/Transformers/CourseFavoriteList.php
+++ /dev/null
@@ -1,67 +0,0 @@
-<?php
-
-namespace App\Transformers;
-
-use App\Repos\Course as CourseRepo;
-use App\Repos\User as UserRepo;
-
-class CourseFavoriteList extends Transformer
-{
-
-    public function handleCourses($relations)
-    {
-        $courses = $this->getCourses($relations);
-
-        foreach ($relations as $key => $value) {
-            $relations[$key]['course'] = $courses[$value['course_id']];
-        }
-
-        return $relations;
-    }
-
-    public function handleUsers($relations)
-    {
-        $users = $this->getUsers($relations);
-
-        foreach ($relations as $key => $value) {
-            $relations[$key]['user'] = $users[$value['user_id']];
-        }
-
-        return $relations;
-    }
-
-    protected function getCourses($relations)
-    {
-        $ids = kg_array_column($relations, 'course_id');
-
-        $courseRepo = new CourseRepo();
-
-        $courses = $courseRepo->findByIds($ids, ['id', 'title'])->toArray();
-
-        $result = [];
-
-        foreach ($courses as $course) {
-            $result[$course['id']] = $course;
-        }
-
-        return $result;
-    }
-
-    protected function getUsers($relations)
-    {
-        $ids = kg_array_column($relations, 'user_id');
-
-        $userRepo = new UserRepo();
-
-        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar'])->toArray();
-
-        $result = [];
-
-        foreach ($users as $user) {
-            $result[$user['id']] = $user;
-        }
-
-        return $result;
-    }
-
-}
diff --git a/app/Transformers/CourseList.php b/app/Transformers/CourseList.php
deleted file mode 100644
index 801f565a..00000000
--- a/app/Transformers/CourseList.php
+++ /dev/null
@@ -1,92 +0,0 @@
-<?php
-
-namespace App\Transformers;
-
-use App\Repos\Category as CategoryRepo;
-use App\Repos\CourseCategory as CourseCategoryRepo;
-use App\Repos\User as UserRepo;
-
-class CourseList extends Transformer
-{
-
-    public function handleCategories($courses)
-    {
-        $categories = $this->getCategories($courses);
-
-        foreach ($courses as $key => $course) {
-            $courses[$key]['categories'] = $categories[$course['id']] ?? [];
-        }
-
-        return $courses;
-    }
-
-    public function handleUsers($courses)
-    {
-        $users = $this->getUsers($courses);
-
-        foreach ($courses as $key => $course) {
-            $courses[$key]['user'] = $users[$course['user_id']];
-        }
-
-        return $courses;
-    }
-
-    public function handleCourses($courses)
-    {
-        foreach ($courses as $key => $course) {
-            unset($courses[$key]['details']);
-        }
-
-        return $courses;
-    }
-
-    protected function getCategories($courses)
-    {
-        $categoryRepo = new CategoryRepo();
-        
-        $categories = $categoryRepo->findAll();
-
-        $mapping = [];
-
-        foreach ($categories as $category) {
-            $mapping[$category->id] = [
-                'id' => $category->id,
-                'name' => $category->name,
-            ];
-        }
-
-        $courseIds = kg_array_column($courses, 'id');
-
-        $courseCategoryRepo = new CourseCategoryRepo();
-
-        $relations = $courseCategoryRepo->findByCourseIds($courseIds);
-
-        $result = [];
-
-        foreach ($relations as $relation) {
-            $categoryId = $relation->category_id;
-            $courseId = $relation->course_id;
-            $result[$courseId][] = $mapping[$categoryId] ?? [];
-        }
-
-        return $result;
-    }
-
-    protected function getUsers($courses)
-    {
-        $ids = kg_array_column($courses, 'user_id');
-
-        $userRepo = new UserRepo();
-
-        $users = $userRepo->findByIds($ids, ['id', 'name', 'avatar'])->toArray();
-
-        $result = [];
-
-        foreach ($users as $user) {
-            $result[$user['id']] = $user;
-        }
-
-        return $result;
-    }
-
-}
diff --git a/app/Validators/Account.php b/app/Validators/Account.php
new file mode 100644
index 00000000..452c5ff7
--- /dev/null
+++ b/app/Validators/Account.php
@@ -0,0 +1,126 @@
+<?php
+
+namespace App\Validators;
+
+use App\Exceptions\BadRequest as BadRequestException;
+use App\Exceptions\Forbidden as ForbiddenException;
+use App\Library\Util\Password as PasswordUtil;
+use App\Library\Validator\Common as CommonValidator;
+use App\Repos\Account as AccountRepo;
+use App\Repos\User as UserRepo;
+
+class Account extends Validator
+{
+
+    public function checkPhone($phone)
+    {
+        $value = $this->filter->sanitize($phone, ['trim', 'string']);
+
+        if (!CommonValidator::phone($value)) {
+            throw new BadRequestException('account.invalid_phone');
+        }
+
+        return $value;
+    }
+
+    public function checkEmail($email)
+    {
+        $value = $this->filter->sanitize($email, ['trim', 'string']);
+
+        if (!CommonValidator::email($value)) {
+            throw new BadRequestException('account.invalid_email');
+        }
+
+        return $value;
+    }
+
+    public function checkPassword($password)
+    {
+        $value = $this->filter->sanitize($password, ['trim', 'string']);
+
+        if (!CommonValidator::password($value)) {
+            throw new BadRequestException('account.invalid_password');
+        }
+
+        return $value;
+    }
+
+    public function checkIfPhoneTaken($phone)
+    {
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findByPhone($phone);
+
+        if ($account) {
+            throw new BadRequestException('account.phone_taken');
+        }
+    }
+
+    public function checkIfEmailTaken($email)
+    {
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findByEmail($email);
+
+        if ($account) {
+            throw new BadRequestException('account.email_taken');
+        }
+    }
+
+    public function checkOriginPassword($user, $password)
+    {
+        $hash = PasswordUtil::hash($password, $user->salt);
+
+        if ($hash != $user->password) {
+            throw new BadRequestException('user.origin_password_incorrect');
+        }
+    }
+
+    public function checkConfirmPassword($newPassword, $confirmPassword)
+    {
+        if ($newPassword != $confirmPassword) {
+            throw new BadRequestException('user.confirm_password_incorrect');
+        }
+    }
+
+    public function checkUserLogin($name, $password)
+    {
+        $accountRepo = new AccountRepo();
+
+        $account = null;
+
+        if (CommonValidator::email($name)) {
+            $account = $accountRepo->findByEmail($name);
+        } elseif (CommonValidator::phone($name)) {
+            $account = $accountRepo->findByPhone($name);
+        }
+
+        if (!$account) {
+            throw new BadRequestException('account.login_name_incorrect');
+        }
+
+        $hash = PasswordUtil::hash($password, $account->salt);
+
+        if ($hash != $account->password) {
+            throw new BadRequestException('account.login_password_incorrect');
+        }
+
+        $userRepo = new UserRepo();
+
+        $user = $userRepo->findById($account->id);
+
+        return $user;
+    }
+
+    public function checkAdminLogin($name, $password)
+    {
+        $user = $this->checkUserLogin($name, $password);
+
+        if ($user->admin_role == 0) {
+            throw new ForbiddenException('account.admin_not_authorized');
+        }
+
+        return $user;
+    }
+
+}
diff --git a/app/Validators/Category.php b/app/Validators/Category.php
index 484cf041..a6b77aa4 100644
--- a/app/Validators/Category.php
+++ b/app/Validators/Category.php
@@ -3,16 +3,15 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Repos\Category as CategoryRepo;
 
 class Category extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Category
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkCategory($id)
     {
@@ -21,7 +20,7 @@ class Category extends Validator
         $category = $categoryRepo->findById($id);
 
         if (!$category) {
-            throw new NotFoundException('category.not_found');
+            throw new BadRequestException('category.not_found');
         }
 
         return $category;
@@ -70,13 +69,26 @@ class Category extends Validator
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('category.invalid_publish_status');
         }
 
-        return $value;
+        return $status;
+    }
+
+    public function checkDeleteAbility($category)
+    {
+        $categoryRepo = new CategoryRepo();
+
+        $list = $categoryRepo->findAll([
+            'parent_id' => $category->id,
+            'deleted' => 0,
+        ]);
+
+
+        if ($list->count() > 0) {
+            throw new BadRequestException('category.has_child_node');
+        }
     }
 
 }
diff --git a/app/Validators/Chapter.php b/app/Validators/Chapter.php
index 263b20dd..a3a3512d 100644
--- a/app/Validators/Chapter.php
+++ b/app/Validators/Chapter.php
@@ -2,20 +2,51 @@
 
 namespace App\Validators;
 
+use App\Caches\Chapter as ChapterCache;
+use App\Caches\MaxChapterId as MaxChapterIdCache;
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Models\Course as CourseModel;
 use App\Repos\Chapter as ChapterRepo;
 use App\Repos\Course as CourseRepo;
-use App\Repos\CourseUser as CourseUserRepo;
 
 class Chapter extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Chapter
-     * @throws NotFoundException
+     * @throws BadRequestException
+     */
+    public function checkChapterCache($id)
+    {
+        $id = intval($id);
+
+        $maxChapterIdCache = new MaxChapterIdCache();
+
+        $maxChapterId = $maxChapterIdCache->get();
+
+        /**
+         * 防止缓存穿透
+         */
+        if ($id < 1 || $id > $maxChapterId) {
+            throw new BadRequestException('chapter.not_found');
+        }
+
+        $chapterCache = new ChapterCache();
+
+        $chapter = $chapterCache->get($id);
+
+        if (!$chapter) {
+            throw new BadRequestException('chapter.not_found');
+        }
+
+        return $chapter;
+    }
+
+    /**
+     * @param int $id
+     * @return \App\Models\Chapter
+     * @throws BadRequestException
      */
     public function checkChapter($id)
     {
@@ -24,7 +55,7 @@ class Chapter extends Validator
         $chapter = $chapterRepo->findById($id);
 
         if (!$chapter) {
-            throw new NotFoundException('chapter.not_found');
+            throw new BadRequestException('chapter.not_found');
         }
 
         return $chapter;
@@ -40,7 +71,7 @@ class Chapter extends Validator
             throw new BadRequestException('chapter.invalid_course_id');
         }
 
-        return $course->id;
+        return (int)$course->id;
     }
 
     public function checkParentId($parentId)
@@ -53,7 +84,7 @@ class Chapter extends Validator
             throw new BadRequestException('chapter.invalid_parent_id');
         }
 
-        return $chapter->id;
+        return (int)$chapter->id;
     }
 
     public function checkTitle($title)
@@ -93,24 +124,20 @@ class Chapter extends Validator
 
     public function checkFreeStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
         if (!in_array($status, [0, 1])) {
             throw new BadRequestException('chapter.invalid_free_status');
         }
 
-        return $value;
+        return (int)$status;
     }
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('course.invalid_publish_status');
         }
 
-        return $value;
+        return (int)$status;
     }
 
     public function checkPublishAbility($chapter)
@@ -119,60 +146,34 @@ class Chapter extends Validator
 
         $course = $courseRepo->findById($chapter->course_id);
 
+        $attrs = $chapter->attrs;
+
         if ($course->model == CourseModel::MODEL_VOD) {
-            if ($chapter->attrs['upload'] == 0) {
-                throw new BadRequestException('chapter.vod_not_uploaded');
-            }
-            if ($chapter->attrs['translate'] != 'finished') {
-                throw new BadRequestException('chapter.vod_not_translated');
+            if ($attrs['duration'] == 0) {
+                throw new BadRequestException('chapter.vod_not_ready');
             }
         } elseif ($course->model == CourseModel::MODEL_LIVE) {
-            if ($chapter->attrs['start_time'] == 0) {
+            if ($attrs['start_time'] == 0) {
                 throw new BadRequestException('chapter.live_time_empty');
             }
-        } elseif ($course->model == CourseModel::MODEL_ARTICLE) {
-            if ($chapter->attrs['word_count'] == 0) {
-                throw new BadRequestException('chapter.article_content_empty');
+        } elseif ($course->model == CourseModel::MODEL_READ) {
+            if ($attrs['word_count'] == 0) {
+                throw new BadRequestException('chapter.read_not_ready');
             }
         }
     }
 
-    public function checkViewPrivilege($user, $chapter, $course)
+    public function checkDeleteAbility($chapter)
     {
-        if ($chapter->parent_id == 0) {
-            return false;
-        }
+        $chapterRepo = new ChapterRepo();
 
-        if ($course->deleted == 1) {
-            return false;
-        }
+        $list = $chapterRepo->findAll([
+            'parent_id' => $chapter->id,
+            'deleted' => 0,
+        ]);
 
-        if ($chapter->published == 0) {
-            return false;
-        }
-
-        if ($chapter->free == 1) {
-            return true;
-        }
-
-        if ($course->price == 0) {
-            return true;
-        }
-
-        if ($user->id == 0) {
-            return false;
-        }
-
-        $courseUserRepo = new CourseUserRepo();
-
-        $courseUser = $courseUserRepo->findCourseUser($user->id, $course->id);
-
-        if (!$courseUser) {
-            return false;
-        }
-
-        if ($courseUser->expire_at < time()) {
-            return false;
+        if ($list->count() > 0) {
+            throw new BadRequestException('chapter.has_child_node');
         }
     }
 
diff --git a/app/Validators/ChapterAudio.php b/app/Validators/ChapterAudio.php
deleted file mode 100644
index 02e0c158..00000000
--- a/app/Validators/ChapterAudio.php
+++ /dev/null
@@ -1,22 +0,0 @@
-<?php
-
-namespace App\Validators;
-
-use App\Exceptions\BadRequest as BadRequestException;
-use App\Library\Validator\Common as CommonValidator;
-
-class ChapterAudio extends Validator
-{
-
-    public function checkFileId($fileId)
-    {
-        $value = $this->filter->sanitize($fileId, ['trim', 'string']);
-
-        if (!CommonValidator::intNumber($value)) {
-            throw new BadRequestException('chapter_audio.invalid_file_id');
-        }
-
-        return $value;
-    }
-
-}
diff --git a/app/Validators/ChapterArticle.php b/app/Validators/ChapterRead.php
similarity index 64%
rename from app/Validators/ChapterArticle.php
rename to app/Validators/ChapterRead.php
index 108be9ce..6fd58a45 100644
--- a/app/Validators/ChapterArticle.php
+++ b/app/Validators/ChapterRead.php
@@ -4,7 +4,7 @@ namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
 
-class ChapterArticle extends Validator
+class ChapterRead extends Validator
 {
 
     public function checkContent($content)
@@ -14,11 +14,11 @@ class ChapterArticle extends Validator
         $length = kg_strlen($value);
 
         if ($length < 10) {
-            throw new BadRequestException('chapter_article.content_too_short');
+            throw new BadRequestException('chapter_read.content_too_short');
         }
 
         if ($length > 65535) {
-            throw new BadRequestException('chapter_article.content_too_long');
+            throw new BadRequestException('chapter_read.content_too_long');
         }
 
         return $value;
diff --git a/app/Validators/Course.php b/app/Validators/Course.php
index b3e20b8a..c7d1c8ea 100644
--- a/app/Validators/Course.php
+++ b/app/Validators/Course.php
@@ -2,8 +2,9 @@
 
 namespace App\Validators;
 
+use App\Caches\Course as CourseCache;
+use App\Caches\MaxCourseId as MaxCourseIdCache;
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Library\Validator\Common as CommonValidator;
 use App\Models\Course as CourseModel;
 use App\Repos\Course as CourseRepo;
@@ -12,9 +13,40 @@ class Course extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Course
-     * @throws NotFoundException
+     * @throws BadRequestException
+     */
+    public function checkCourseCache($id)
+    {
+        $id = intval($id);
+
+        $maxCourseIdCache = new MaxCourseIdCache();
+
+        $maxCourseId = $maxCourseIdCache->get();
+
+        /**
+         * 防止缓存穿透
+         */
+        if ($id < 1 || $id > $maxCourseId) {
+            throw new BadRequestException('course.not_found');
+        }
+
+        $courseCache = new CourseCache();
+
+        $course = $courseCache->get($id);
+
+        if (!$course) {
+            throw new BadRequestException('course.not_found');
+        }
+
+        return $course;
+    }
+
+    /**
+     * @param int $id
+     * @return \App\Models\Course
+     * @throws BadRequestException
      */
     public function checkCourse($id)
     {
@@ -23,7 +55,7 @@ class Course extends Validator
         $course = $courseRepo->findById($id);
 
         if (!$course) {
-            throw new NotFoundException('course.not_found');
+            throw new BadRequestException('course.not_found');
         }
 
         return $course;
@@ -31,15 +63,13 @@ class Course extends Validator
 
     public function checkModel($model)
     {
-        $value = $this->filter->sanitize($model, ['trim', 'string']);
+        $list = CourseModel::models();
 
-        $scopes = CourseModel::models();
-
-        if (!isset($scopes[$value])) {
+        if (!isset($list[$model])) {
             throw new BadRequestException('course.invalid_model');
         }
 
-        return $value;
+        return $model;
     }
 
     public function checkCover($cover)
@@ -88,9 +118,20 @@ class Course extends Validator
 
     public function checkKeywords($keywords)
     {
-        $value = $this->filter->sanitize($keywords, ['trim', 'string']);
+        $keywords = $this->filter->sanitize($keywords, ['trim', 'string']);
+        $keywords = str_replace(['|', ';', '；', '、', ','], '@', $keywords);
+        $keywords = explode('@', $keywords);
 
-        return $value;
+        $list = [];
+
+        foreach ($keywords as $keyword) {
+            $keyword = trim($keyword);
+            if (kg_strlen($keyword) > 1) {
+                $list[] = $keyword;
+            }
+        }
+
+        return implode('，', $list);
     }
 
     public function checkMarketPrice($price)
@@ -101,7 +142,7 @@ class Course extends Validator
             throw new BadRequestException('course.invalid_market_price');
         }
 
-        return $value;
+        return (float)$value;
     }
 
     public function checkVipPrice($price)
@@ -112,7 +153,7 @@ class Course extends Validator
             throw new BadRequestException('course.invalid_vip_price');
         }
 
-        return $value;
+        return (float)$value;
     }
 
     public function checkExpiry($expiry)
@@ -123,31 +164,27 @@ class Course extends Validator
             throw new BadRequestException('course.invalid_expiry');
         }
 
-        return $value;
+        return (int)$value;
     }
 
     public function checkLevel($level)
     {
-        $value = $this->filter->sanitize($level, ['trim', 'string']);
+        $list = CourseModel::levels();
 
-        $scopes = CourseModel::levels();
-
-        if (!isset($scopes[$value])) {
+        if (!isset($list[$level])) {
             throw new BadRequestException('course.invalid_level');
         }
 
-        return $value;
+        return $level;
     }
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('course.invalid_publish_status');
         }
 
-        return $value;
+        return (int)$status;
     }
 
     public function checkPublishAbility($course)
@@ -158,7 +195,7 @@ class Course extends Validator
 
         $totalCount = $chapters->count();
 
-        if ($totalCount < 1) {
+        if ($totalCount == 0) {
             throw new BadRequestException('course.pub_chapter_not_found');
         }
 
diff --git a/app/Validators/CourseUser.php b/app/Validators/CourseUser.php
index e7901faf..307576f8 100644
--- a/app/Validators/CourseUser.php
+++ b/app/Validators/CourseUser.php
@@ -12,8 +12,8 @@ class CourseUser extends Validator
 {
 
     /**
-     * @param integer $courseId
-     * @param integer $userId
+     * @param int $courseId
+     * @param int $userId
      * @return \App\Models\CourseUser
      * @throws BadRequestException
      */
diff --git a/app/Validators/Favorite.php b/app/Validators/Favorite.php
new file mode 100644
index 00000000..2c6920ad
--- /dev/null
+++ b/app/Validators/Favorite.php
@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Validators;
+
+use App\Exceptions\BadRequest as BadRequestException;
+use App\Repos\Course as CourseRepo;
+use App\Repos\CourseFavorite as FavoriteRepo;
+use App\Repos\User as UserRepo;
+
+class Favorite extends Validator
+{
+
+    /**
+     * @param int $courseId
+     * @param int $userId
+     * @return \App\Models\CourseFavorite
+     * @throws BadRequestException
+     */
+    public function checkFavorite($courseId, $userId)
+    {
+        $favoriteRepo = new FavoriteRepo();
+
+        $favorite = $favoriteRepo->findFavorite($courseId, $userId);
+
+        if (!$favorite) {
+            throw new BadRequestException('favorite.not_found');
+        }
+
+        return $favorite;
+    }
+
+    public function checkCourseId($courseId)
+    {
+        $value = $this->filter->sanitize($courseId, ['trim', 'int']);
+
+        $courseRepo = new CourseRepo();
+
+        $course = $courseRepo->findById($value);
+
+        if (!$course) {
+            throw new BadRequestException('favorite.course_not_found');
+        }
+
+        return $course->id;
+    }
+
+    public function checkUserId($userId)
+    {
+        $value = $this->filter->sanitize($userId, ['trim', 'int']);
+
+        $userRepo = new UserRepo();
+
+        $user = $userRepo->findById($value);
+
+        if (!$user) {
+            throw new BadRequestException('favorite.user_not_found');
+        }
+
+        return $user->id;
+    }
+
+    public function checkIfFavorited($courseId, $userId)
+    {
+        $favoriteRepo = new FavoriteRepo();
+
+        $favorite = $favoriteRepo->findFavorite($courseId, $userId);
+
+        if ($favorite) {
+            throw new BadRequestException('favorite.has_favorited');
+        }
+    }
+
+}
diff --git a/app/Validators/Help.php b/app/Validators/Help.php
new file mode 100644
index 00000000..2171dfe1
--- /dev/null
+++ b/app/Validators/Help.php
@@ -0,0 +1,83 @@
+<?php
+
+namespace App\Validators;
+
+use App\Exceptions\BadRequest as BadRequestException;
+use App\Repos\Help as HelpRepo;
+
+class Help extends Validator
+{
+
+    /**
+     * @param int $id
+     * @return \App\Models\Help
+     * @throws BadRequestException
+     */
+    public function checkHelp($id)
+    {
+        $helpRepo = new HelpRepo();
+
+        $help = $helpRepo->findById($id);
+
+        if (!$help) {
+            throw new BadRequestException('help.not_found');
+        }
+
+        return $help;
+    }
+
+    public function checkTitle($title)
+    {
+        $value = $this->filter->sanitize($title, ['trim', 'string']);
+
+        $length = kg_strlen($value);
+
+        if ($length < 2) {
+            throw new BadRequestException('help.title_too_short');
+        }
+
+        if ($length > 50) {
+            throw new BadRequestException('help.title_too_long');
+        }
+
+        return $value;
+    }
+
+    public function checkContent($content)
+    {
+        $value = $this->filter->sanitize($content, ['trim']);
+
+        $length = kg_strlen($value);
+
+        if ($length < 10) {
+            throw new BadRequestException('help.content_too_short');
+        }
+
+        if ($length > 65535) {
+            throw new BadRequestException('help.content_too_long');
+        }
+
+        return $value;
+    }
+
+    public function checkPriority($priority)
+    {
+        $value = $this->filter->sanitize($priority, ['trim', 'int']);
+
+        if ($value < 1 || $value > 255) {
+            throw new BadRequestException('help.invalid_priority');
+        }
+
+        return $value;
+    }
+
+    public function checkPublishStatus($status)
+    {
+        if (!in_array($status, [0, 1])) {
+            throw new BadRequestException('help.invalid_publish_status');
+        }
+
+        return $status;
+    }
+
+}
diff --git a/app/Validators/Nav.php b/app/Validators/Nav.php
index 2c579a90..a48db984 100644
--- a/app/Validators/Nav.php
+++ b/app/Validators/Nav.php
@@ -3,7 +3,6 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Library\Validator\Common as CommonValidator;
 use App\Models\Nav as NavModel;
 use App\Repos\Nav as NavRepo;
@@ -13,9 +12,9 @@ class Nav extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Nav
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkNav($id)
     {
@@ -24,7 +23,7 @@ class Nav extends Validator
         $nav = $navRepo->findById($id);
 
         if (!$nav) {
-            throw new NotFoundException('nav.not_found');
+            throw new BadRequestException('nav.not_found');
         }
 
         return $nav;
@@ -87,39 +86,47 @@ class Nav extends Validator
 
     public function checkTarget($target)
     {
-        $value = $this->filter->sanitize($target, ['trim']);
+        $list = NavModel::targets();
 
-        $scopes = NavModel::targets();
-
-        if (!isset($scopes[$value])) {
+        if (!isset($list[$target])) {
             throw new BadRequestException('nav.invalid_target');
         }
 
-        return $value;
+        return $target;
     }
 
     public function checkPosition($position)
     {
-        $value = $this->filter->sanitize($position, ['trim']);
+        $list = NavModel::positions();
 
-        $scopes = NavModel::positions();
-
-        if (!isset($scopes[$value])) {
+        if (!isset($list[$position])) {
             throw new BadRequestException('nav.invalid_position');
         }
 
-        return $value;
+        return $position;
     }
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('nav.invalid_publish_status');
         }
 
-        return $value;
+        return $status;
+    }
+
+    public function checkDeleteAbility($nav)
+    {
+        $navRepo = new NavRepo();
+
+        $list = $navRepo->findAll([
+            'parent_id' => $nav->id,
+            'deleted' => 0,
+        ]);
+
+        if ($list->count() > 0) {
+            throw new BadRequestException('nav.has_child_node');
+        }
     }
 
 }
diff --git a/app/Validators/Order.php b/app/Validators/Order.php
index 55ca0aca..4148a13e 100644
--- a/app/Validators/Order.php
+++ b/app/Validators/Order.php
@@ -3,19 +3,17 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Models\Order as OrderModel;
-use App\Repos\CourseStudent as CourseUserRepo;
+use App\Repos\CourseUser as CourseUserRepo;
 use App\Repos\Order as OrderRepo;
 
 class Order extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Order
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkOrder($id)
     {
@@ -24,7 +22,7 @@ class Order extends Validator
         $order = $orderRepo->findById($id);
 
         if (!$order) {
-            throw new NotFoundException('order.not_found');
+            throw new BadRequestException('order.not_found');
         }
 
         return $order;
diff --git a/app/Validators/Package.php b/app/Validators/Package.php
index 84e37c0e..0c8d62aa 100644
--- a/app/Validators/Package.php
+++ b/app/Validators/Package.php
@@ -3,16 +3,15 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Repos\Package as PackageRepo;
 
 class Package extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Package
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkPackage($id)
     {
@@ -21,7 +20,7 @@ class Package extends Validator
         $package = $packageRepo->findById($id);
 
         if (!$package) {
-            throw new NotFoundException('package.not_found');
+            throw new BadRequestException('package.not_found');
         }
 
         return $package;
@@ -75,13 +74,11 @@ class Package extends Validator
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('package.invalid_publish_status');
         }
 
-        return $value;
+        return $status;
     }
 
 }
diff --git a/app/Validators/Page.php b/app/Validators/Page.php
index cee177ca..20b9abec 100644
--- a/app/Validators/Page.php
+++ b/app/Validators/Page.php
@@ -3,16 +3,15 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Repos\Page as PageRepo;
 
 class Page extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Page
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkPage($id)
     {
@@ -21,7 +20,7 @@ class Page extends Validator
         $page = $pageRepo->findById($id);
 
         if (!$page) {
-            throw new NotFoundException('page.not_found');
+            throw new BadRequestException('page.not_found');
         }
 
         return $page;
@@ -63,13 +62,11 @@ class Page extends Validator
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('page.invalid_publish_status');
         }
 
-        return $value;
+        return $status;
     }
 
 }
diff --git a/app/Validators/Refund.php b/app/Validators/Refund.php
index 97288793..e64da8c0 100644
--- a/app/Validators/Refund.php
+++ b/app/Validators/Refund.php
@@ -3,7 +3,6 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Models\Refund as RefundModel;
 use App\Repos\Refund as RefundRepo;
 
@@ -11,9 +10,9 @@ class Refund extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Refund
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkRefund($id)
     {
@@ -22,7 +21,7 @@ class Refund extends Validator
         $trade = $tradeRepo->findById($id);
 
         if (!$trade) {
-            throw new NotFoundException('refund.not_found');
+            throw new BadRequestException('refund.not_found');
         }
 
         return $trade;
diff --git a/app/Validators/Review.php b/app/Validators/Review.php
index 8da6ceae..f7f385fa 100644
--- a/app/Validators/Review.php
+++ b/app/Validators/Review.php
@@ -3,7 +3,6 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Repos\Course as CourseRepo;
 use App\Repos\Review as ReviewRepo;
 
@@ -11,9 +10,9 @@ class Review extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Review
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkReview($id)
     {
@@ -22,7 +21,7 @@ class Review extends Validator
         $review = $reviewRepo->findById($id);
 
         if (!$review) {
-            throw new NotFoundException('review.not_found');
+            throw new BadRequestException('review.not_found');
         }
 
         return $review;
@@ -60,24 +59,20 @@ class Review extends Validator
 
     public function checkRating($rating)
     {
-        $value = $this->filter->sanitize($rating, ['trim', 'int']);
-
-        if (!in_array($value, [1, 2, 3, 4, 5])) {
+        if (!in_array($rating, [1, 2, 3, 4, 5])) {
             throw new BadRequestException('review.invalid_rating');
         }
 
-        return $value;
+        return $rating;
     }
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('review.invalid_publish_status');
         }
 
-        return $value;
+        return $status;
     }
 
 }
diff --git a/app/Validators/Role.php b/app/Validators/Role.php
index f7d31261..76014be2 100644
--- a/app/Validators/Role.php
+++ b/app/Validators/Role.php
@@ -3,16 +3,15 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Repos\Role as RoleRepo;
 
 class Role extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Role
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkRole($id)
     {
@@ -21,7 +20,7 @@ class Role extends Validator
         $role = $roleRepo->findById($id);
 
         if (!$role) {
-            throw new NotFoundException('role.not_found');
+            throw new BadRequestException('role.not_found');
         }
 
         return $role;
diff --git a/app/Validators/Security.php b/app/Validators/Security.php
new file mode 100644
index 00000000..4bfee6f3
--- /dev/null
+++ b/app/Validators/Security.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Validators;
+
+use App\Exceptions\BadRequest as BadRequestException;
+use App\Library\Util\Verification as VerificationUtil;
+use App\Services\Captcha as CaptchaService;
+
+class Security extends Validator
+{
+
+    public function checkVerifyCode($key, $code)
+    {
+        if (!VerificationUtil::checkCode($key, $code)) {
+            throw new BadRequestException('security.invalid_verify_code');
+        }
+    }
+
+    public function checkCaptchaCode($ticket, $rand)
+    {
+        $captchaService = new CaptchaService();
+
+        $result = $captchaService->verify($ticket, $rand);
+
+        if (!$result) {
+            throw new BadRequestException('security.invalid_captcha_code');
+        }
+    }
+
+}
diff --git a/app/Validators/Slide.php b/app/Validators/Slide.php
index 1649cc10..84b568ff 100644
--- a/app/Validators/Slide.php
+++ b/app/Validators/Slide.php
@@ -3,7 +3,6 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Library\Validator\Common as CommonValidator;
 use App\Models\Course as CourseModel;
 use App\Models\Page as PageModel;
@@ -14,9 +13,9 @@ class Slide extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Slide
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkSlide($id)
     {
@@ -25,7 +24,7 @@ class Slide extends Validator
         $slide = $slideRepo->findById($id);
 
         if (!$slide) {
-            throw new NotFoundException('slide.not_found');
+            throw new BadRequestException('slide.not_found');
         }
 
         return $slide;
@@ -70,9 +69,9 @@ class Slide extends Validator
 
     public function checkTarget($target)
     {
-        $targets = array_keys(SlideModel::targets());
+        $list = SlideModel::targets();
 
-        if (!in_array($target, $targets)) {
+        if (!isset($list[$target])) {
             throw new BadRequestException('slide.invalid_target');
         }
 
@@ -117,18 +116,16 @@ class Slide extends Validator
 
     public function checkPublishStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('slide.invalid_publish_status');
         }
 
-        return $value;
+        return $status;
     }
 
     public function checkCourse($courseId)
     {
-        $course = CourseModel::findFirstById($courseId);
+        $course = CourseModel::findFirst($courseId);
 
         if (!$course || $course->deleted == 1) {
             throw new BadRequestException('slide.course_not_found');
@@ -143,7 +140,7 @@ class Slide extends Validator
 
     public function checkPage($pageId)
     {
-        $page = PageModel::findFirstById($pageId);
+        $page = PageModel::findFirst($pageId);
 
         if (!$page || $page->deleted == 1) {
             throw new BadRequestException('slide.page_not_found');
diff --git a/app/Validators/Topic.php b/app/Validators/Topic.php
new file mode 100644
index 00000000..de591090
--- /dev/null
+++ b/app/Validators/Topic.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Validators;
+
+use App\Exceptions\BadRequest as BadRequestException;
+use App\Repos\Topic as TopicRepo;
+
+class Topic extends Validator
+{
+
+    /**
+     * @param int $id
+     * @return \App\Models\Topic
+     * @throws BadRequestException
+     */
+    public function checkTopic($id)
+    {
+        $topicRepo = new TopicRepo();
+
+        $topic = $topicRepo->findById($id);
+
+        if (!$topic) {
+            throw new BadRequestException('topic.not_found');
+        }
+
+        return $topic;
+    }
+
+    public function checkTitle($title)
+    {
+        $value = $this->filter->sanitize($title, ['trim', 'string']);
+
+        $length = kg_strlen($value);
+
+        if ($length < 2) {
+            throw new BadRequestException('topic.title_too_short');
+        }
+
+        if ($length > 50) {
+            throw new BadRequestException('topic.title_too_long');
+        }
+
+        return $value;
+    }
+
+    public function checkSummary($summary)
+    {
+        $value = $this->filter->sanitize($summary, ['trim', 'string']);
+
+        return $value;
+    }
+
+    public function checkPublishStatus($status)
+    {
+        if (!in_array($status, [0, 1])) {
+            throw new BadRequestException('topic.invalid_publish_status');
+        }
+
+        return $status;
+    }
+
+}
diff --git a/app/Validators/Trade.php b/app/Validators/Trade.php
index 16806377..e7e497b6 100644
--- a/app/Validators/Trade.php
+++ b/app/Validators/Trade.php
@@ -3,7 +3,6 @@
 namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\NotFound as NotFoundException;
 use App\Models\Refund as RefundModel;
 use App\Models\Trade as TradeModel;
 use App\Repos\Trade as TradeRepo;
@@ -12,9 +11,9 @@ class Trade extends Validator
 {
 
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\Trade
-     * @throws NotFoundException
+     * @throws BadRequestException
      */
     public function checkTrade($id)
     {
@@ -23,7 +22,7 @@ class Trade extends Validator
         $trade = $tradeRepo->findById($id);
 
         if (!$trade) {
-            throw new NotFoundException('trade.not_found');
+            throw new BadRequestException('trade.not_found');
         }
 
         return $trade;
diff --git a/app/Validators/User.php b/app/Validators/User.php
index cd492f36..eb815936 100644
--- a/app/Validators/User.php
+++ b/app/Validators/User.php
@@ -2,23 +2,52 @@
 
 namespace App\Validators;
 
+use App\Caches\MaxUserId as MaxUserIdCache;
+use App\Caches\User as UserCache;
 use App\Exceptions\BadRequest as BadRequestException;
-use App\Exceptions\Forbidden as ForbiddenException;
-use App\Exceptions\NotFound as NotFoundException;
-use App\Library\Util\Password as PasswordUtil;
-use App\Library\Util\Verification as VerificationUtil;
 use App\Library\Validator\Common as CommonValidator;
 use App\Models\User as UserModel;
 use App\Repos\Role as RoleRepo;
 use App\Repos\User as UserRepo;
-use App\Services\Captcha as CaptchaService;
 
 class User extends Validator
 {
+
     /**
-     * @param integer $id
+     * @param int $id
      * @return \App\Models\User
-     * @throws NotFoundException
+     * @throws BadRequestException
+     */
+    public function checkUserCache($id)
+    {
+        $id = intval($id);
+
+        $maxUserIdCache = new MaxUserIdCache();
+
+        $maxUserId = $maxUserIdCache->get();
+
+        /**
+         * 防止缓存穿透
+         */
+        if ($id < 1 || $id > $maxUserId) {
+            throw new BadRequestException('user.not_found');
+        }
+
+        $userCache = new UserCache();
+
+        $user = $userCache->get($id);
+
+        if (!$user) {
+            throw new BadRequestException('user.not_found');
+        }
+
+        return $user;
+    }
+
+    /**
+     * @param int $id
+     * @return \App\Models\User
+     * @throws BadRequestException
      */
     public function checkUser($id)
     {
@@ -27,45 +56,12 @@ class User extends Validator
         $user = $userRepo->findById($id);
 
         if (!$user) {
-            throw new NotFoundException('user.not_found');
+            throw new BadRequestException('user.not_found');
         }
 
         return $user;
     }
 
-    public function checkPhone($phone)
-    {
-        $value = $this->filter->sanitize($phone, ['trim', 'string']);
-
-        if (!CommonValidator::phone($value)) {
-            throw new BadRequestException('account.invalid_phone');
-        }
-
-        return $value;
-    }
-
-    public function checkEmail($email)
-    {
-        $value = $this->filter->sanitize($email, ['trim', 'string']);
-
-        if (!CommonValidator::email($value)) {
-            throw new BadRequestException('account.invalid_email');
-        }
-
-        return $value;
-    }
-
-    public function checkPassword($password)
-    {
-        $value = $this->filter->sanitize($password, ['trim', 'string']);
-
-        if (!CommonValidator::password($value)) {
-            throw new BadRequestException('account.invalid_password');
-        }
-
-        return $value;
-    }
-
     public function checkName($name)
     {
         $value = $this->filter->sanitize($name, ['trim', 'string']);
@@ -141,46 +137,22 @@ class User extends Validator
 
     public function checkLockStatus($status)
     {
-        $value = $this->filter->sanitize($status, ['trim', 'int']);
-
-        if (!in_array($value, [0, 1])) {
+        if (!in_array($status, [0, 1])) {
             throw new BadRequestException('user.invalid_lock_status');
         }
 
-        return $value;
+        return $status;
     }
 
     public function checkLockExpiry($expiry)
     {
         if (!CommonValidator::date($expiry, 'Y-m-d H:i:s')) {
-            throw new BadRequestException('user.invalid_locked_expiry');
+            throw new BadRequestException('user.invalid_lock_expiry');
         }
 
         return strtotime($expiry);
     }
 
-    public function checkIfPhoneTaken($phone)
-    {
-        $accountRepo = new AccountRepo();
-
-        $account = $accountRepo->findByPhone($phone);
-
-        if ($account) {
-            throw new BadRequestException('account.phone_taken');
-        }
-    }
-
-    public function checkIfEmailTaken($email)
-    {
-        $accountRepo = new AccountRepo();
-
-        $account = $accountRepo->findByEmail($email);
-
-        if ($account) {
-            throw new BadRequestException('account.email_taken');
-        }
-    }
-
     public function checkIfNameTaken($name)
     {
         $userRepo = new UserRepo();
@@ -192,79 +164,11 @@ class User extends Validator
         }
     }
 
-    public function checkVerifyCode($key, $code)
-    {
-        if (!VerificationUtil::checkCode($key, $code)) {
-            throw new BadRequestException('user.invalid_verify_code');
-        }
-    }
-
-    public function checkCaptchaCode($ticket, $rand)
-    {
-        $captchaService = new CaptchaService();
-
-        $result = $captchaService->verify($ticket, $rand);
-
-        if (!$result) {
-            throw new BadRequestException('user.invalid_captcha_code');
-        }
-    }
-
-    public function checkOriginPassword($user, $password)
-    {
-        $hash = PasswordUtil::hash($password, $user->salt);
-
-        if ($hash != $user->password) {
-            throw new BadRequestException('user.origin_password_incorrect');
-        }
-    }
-
-    public function checkConfirmPassword($newPassword, $confirmPassword)
-    {
-        if ($newPassword != $confirmPassword) {
-            throw new BadRequestException('user.confirm_password_incorrect');
-        }
-    }
-
-    public function checkAdminLogin($user)
-    {
-        if ($user->admin_role == 0) {
-            throw new ForbiddenException('user.admin_not_authorized');
-        }
-    }
-
-    public function checkLoginAccount($account)
-    {
-        $userRepo = new UserRepo();
-
-        $user = $userRepo->findByAccount($account);
-
-        if (!$user) {
-            throw new BadRequestException('user.login_account_incorrect');
-        }
-
-        return $user;
-    }
-
-    public function checkLoginPassword($user, $password)
-    {
-        $hash = PasswordUtil::hash($password, $user->salt);
-
-        if ($hash != $user->password) {
-            throw new BadRequestException('user.login_password_incorrect');
-        }
-
-        if ($user->locked == 1) {
-            throw new ForbiddenException('user.login_locked');
-        }
-
-    }
-
     public function checkIfCanEditUser($user)
     {
         $auth = $this->getDI()->get('auth');
 
-        $authUser = $auth->getAuthUser();
+        $authUser = $auth->getAuthInfo();
 
         if ($authUser->id) {
         }
diff --git a/app/Validators/Validator.php b/app/Validators/Validator.php
index 4cdc58e0..f26bd45e 100644
--- a/app/Validators/Validator.php
+++ b/app/Validators/Validator.php
@@ -4,9 +4,8 @@ namespace App\Validators;
 
 use App\Exceptions\Forbidden as ForbiddenException;
 use App\Exceptions\Unauthorized as UnauthorizedException;
-use Phalcon\Mvc\User\Component as UserComponent;
 
-class Validator extends UserComponent
+class Validator extends \Phalcon\Mvc\User\Component
 {
 
     public function checkAuthToken($token)
@@ -27,10 +26,10 @@ class Validator extends UserComponent
         return $user;
     }
 
-    public function checkOwner($itemUserId, $sessionUserId)
+    public function checkOwnerPriv($userId, $ownerId)
     {
-        if ($itemUserId != $sessionUserId) {
-            throw new ForbiddenException('access_denied');
+        if ($userId != $ownerId) {
+            throw new ForbiddenException('sys.access_denied');
         }
     }
 
diff --git a/bootstrap/HttpErrorHandler.php b/bootstrap/HttpErrorHandler.php
index 8d27705e..c5d77cb9 100644
--- a/bootstrap/HttpErrorHandler.php
+++ b/bootstrap/HttpErrorHandler.php
@@ -12,6 +12,9 @@ use Phalcon\Text;
 class HttpErrorHandler extends UserComponent
 {
 
+    /**
+     * @var \Phalcon\Logger\Adapter
+     */
     protected $logger;
 
     public function __construct()
@@ -23,19 +26,22 @@ class HttpErrorHandler extends UserComponent
         set_exception_handler([$this, 'handleException']);
     }
 
-    public function handleError($no, $str, $file, $line)
+    public function handleError($severity, $message, $file, $line)
     {
-        $content = compact('no', 'str', 'file', 'line');
-
-        $error = json_encode($content);
-
-        $this->logger->log($error);
+        throw new \ErrorException($message, 0, $severity, $file, $line);
     }
 
+    /**
+     * @param \Exception $e
+     */
     public function handleException($e)
     {
         $this->setStatusCode($e);
 
+        if ($this->response->getStatusCode() == 500) {
+            $this->report($e);
+        }
+
         if ($this->router->getModuleName() == 'api') {
             $this->apiError($e);
         } else if ($this->isAjax()) {
@@ -45,6 +51,9 @@ class HttpErrorHandler extends UserComponent
         }
     }
 
+    /**
+     * @param \Exception $e
+     */
     protected function setStatusCode($e)
     {
         if ($e instanceof BadRequestException) {
@@ -57,10 +66,12 @@ class HttpErrorHandler extends UserComponent
             $this->response->setStatusCode(404);
         } else {
             $this->response->setStatusCode(500);
-            $this->report($e);
         }
     }
 
+    /**
+     * @param \Exception $e
+     */
     protected function report($e)
     {
         $content = sprintf('%s(%d): %s', $e->getFile(), $e->getLine(), $e->getMessage());
@@ -68,22 +79,33 @@ class HttpErrorHandler extends UserComponent
         $this->logger->error($content);
     }
 
+    /**
+     * @param \Exception $e
+     */
     protected function apiError($e)
     {
         $content = $this->translate($e->getMessage());
 
         $this->response->setJsonContent($content);
+
         $this->response->send();
     }
 
+    /**
+     * @param \Exception $e
+     */
     protected function ajaxError($e)
     {
         $content = $this->translate($e->getMessage());
 
         $this->response->setJsonContent($content);
+
         $this->response->send();
     }
 
+    /**
+     * @param \Exception $e
+     */
     protected function pageError($e)
     {
         $content = $this->translate($e->getMessage());
@@ -91,7 +113,7 @@ class HttpErrorHandler extends UserComponent
         $this->flash->error($content);
 
         $this->response->redirect([
-            'for' => 'error.' . $this->response->getStatusCode()
+            'for' => 'home.error.' . $this->response->getStatusCode()
         ])->send();
     }
 
diff --git a/composer.json b/composer.json
index 7621bc52..2252585d 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,7 @@
 {
   "require": {
+    "ext-redis": "*",
+    "ext-json": "*",
     "phalcon/incubator": "^3.4",
     "guzzlehttp/guzzle": "^6.3",
     "swiftmailer/swiftmailer": "^6.0",
@@ -14,7 +16,9 @@
     "hightman/xunsearch": "^1.4.14"
   },
   "require-dev": {
-    "odan/phinx-migrations-generator": "^4.6"
+    "odan/phinx-migrations-generator": "^4.6",
+    "phalcon/ide-stubs": "^3.4.3",
+    "jaeger/querylist": "^4.1"
   },
   "repositories": {
     "packagist": {
diff --git a/composer.lock b/composer.lock
index c1ad8d04..f7d7afd0 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "9e0fcf410383f7ba3d69a36d7ff00331",
+  "content-hash": "4f03ea4d2e7124d05e660b87608e46ed",
     "packages": [
         {
             "name": "doctrine/lexer",
@@ -607,6 +607,7 @@
                 "cron",
                 "schedule"
             ],
+          "abandoned": "dragonmantank/cron-expression",
             "time": "2017-01-23T04:29:33+00:00"
         },
         {
@@ -1870,6 +1871,190 @@
     ],
     "packages-dev": [
         {
+          "name": "cache/adapter-common",
+          "version": "1.1.0",
+          "source": {
+            "type": "git",
+            "url": "https://github.com/php-cache/adapter-common.git",
+            "reference": "6320bb5f5574cb88438059b59f8708da6b6f1d32"
+          },
+          "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/php-cache/adapter-common/zipball/6320bb5f5574cb88438059b59f8708da6b6f1d32",
+            "reference": "6320bb5f5574cb88438059b59f8708da6b6f1d32",
+            "shasum": ""
+          },
+          "require": {
+            "cache/tag-interop": "^1.0",
+            "php": "^5.6 || ^7.0",
+            "psr/cache": "^1.0",
+            "psr/log": "^1.0",
+            "psr/simple-cache": "^1.0"
+          },
+          "require-dev": {
+            "cache/integration-tests": "^0.16",
+            "phpunit/phpunit": "^5.7.21"
+          },
+          "type": "library",
+          "extra": {
+            "branch-alias": {
+              "dev-master": "1.1-dev"
+            }
+          },
+          "autoload": {
+            "psr-4": {
+              "Cache\\Adapter\\Common\\": ""
+            }
+          },
+          "notification-url": "https://packagist.jp/downloads/",
+          "license": [
+            "MIT"
+          ],
+          "authors": [
+            {
+              "name": "Aaron Scherer",
+              "email": "aequasi@gmail.com",
+              "homepage": "https://github.com/aequasi"
+            },
+            {
+              "name": "Tobias Nyholm",
+              "email": "tobias.nyholm@gmail.com",
+              "homepage": "https://github.com/Nyholm"
+            }
+          ],
+          "description": "Common classes for PSR-6 adapters",
+          "homepage": "http://www.php-cache.com/en/latest/",
+          "keywords": [
+            "cache",
+            "psr-6",
+            "tag"
+          ],
+          "time": "2018-07-08T13:04:33+00:00"
+        },
+      {
+        "name": "cache/filesystem-adapter",
+        "version": "1.0.0",
+        "source": {
+          "type": "git",
+          "url": "https://github.com/php-cache/filesystem-adapter.git",
+          "reference": "d50680b6dabbe39f9831f5fc9efa61c09d936017"
+        },
+        "dist": {
+          "type": "zip",
+          "url": "https://api.github.com/repos/php-cache/filesystem-adapter/zipball/d50680b6dabbe39f9831f5fc9efa61c09d936017",
+          "reference": "d50680b6dabbe39f9831f5fc9efa61c09d936017",
+          "shasum": ""
+        },
+        "require": {
+          "cache/adapter-common": "^1.0",
+          "league/flysystem": "^1.0",
+          "php": "^5.6 || ^7.0",
+          "psr/cache": "^1.0",
+          "psr/simple-cache": "^1.0"
+        },
+        "provide": {
+          "psr/cache-implementation": "^1.0"
+        },
+        "require-dev": {
+          "cache/integration-tests": "^0.16",
+          "phpunit/phpunit": "^5.7.21"
+        },
+        "type": "library",
+        "extra": {
+          "branch-alias": {
+            "dev-master": "1.0-dev"
+          }
+        },
+        "autoload": {
+          "psr-4": {
+            "Cache\\Adapter\\Filesystem\\": ""
+          },
+          "exclude-from-classmap": [
+            "/Tests/"
+          ]
+        },
+        "notification-url": "https://packagist.jp/downloads/",
+        "license": [
+          "MIT"
+        ],
+        "authors": [
+          {
+            "name": "Aaron Scherer",
+            "email": "aequasi@gmail.com",
+            "homepage": "https://github.com/aequasi"
+          },
+          {
+            "name": "Tobias Nyholm",
+            "email": "tobias.nyholm@gmail.com",
+            "homepage": "https://github.com/Nyholm"
+          }
+        ],
+        "description": "A PSR-6 cache implementation using filesystem. This implementation supports tags",
+        "homepage": "http://www.php-cache.com/en/latest/",
+        "keywords": [
+          "cache",
+          "filesystem",
+          "psr-6",
+          "tag"
+        ],
+        "time": "2017-07-16T21:09:25+00:00"
+      },
+      {
+        "name": "cache/tag-interop",
+        "version": "1.0.0",
+        "source": {
+          "type": "git",
+          "url": "https://github.com/php-cache/tag-interop.git",
+          "reference": "c7496dd81530f538af27b4f2713cde97bc292832"
+        },
+        "dist": {
+          "type": "zip",
+          "url": "https://api.github.com/repos/php-cache/tag-interop/zipball/c7496dd81530f538af27b4f2713cde97bc292832",
+          "reference": "c7496dd81530f538af27b4f2713cde97bc292832",
+          "shasum": ""
+        },
+        "require": {
+          "php": "^5.5 || ^7.0",
+          "psr/cache": "^1.0"
+        },
+        "type": "library",
+        "extra": {
+          "branch-alias": {
+            "dev-master": "2.0-dev"
+          }
+        },
+        "autoload": {
+          "psr-4": {
+            "Cache\\TagInterop\\": ""
+          }
+        },
+        "notification-url": "https://packagist.jp/downloads/",
+        "license": [
+          "MIT"
+        ],
+        "authors": [
+          {
+            "name": "Tobias Nyholm",
+            "email": "tobias.nyholm@gmail.com",
+            "homepage": "https://github.com/Nyholm"
+          },
+          {
+            "name": "Nicolas Grekas",
+            "email": "p@tchwork.com",
+            "homepage": "https://github.com/nicolas-grekas"
+          }
+        ],
+        "description": "Framework interoperable interfaces for tags",
+        "homepage": "http://www.php-cache.com/en/latest/",
+        "keywords": [
+          "cache",
+          "psr",
+          "psr6",
+          "tag"
+        ],
+        "time": "2017-03-13T09:14:27+00:00"
+      },
+      {
             "name": "cakephp/cache",
             "version": "3.8.7",
             "source": {
@@ -2206,6 +2391,219 @@
             "time": "2019-11-21T14:18:54+00:00"
         },
         {
+          "name": "jaeger/g-http",
+          "version": "V1.6.0",
+          "source": {
+            "type": "git",
+            "url": "https://github.com/jae-jae/GHttp.git",
+            "reference": "eb34d266a07c687aef45087370ef47d48321bd2e"
+          },
+          "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/jae-jae/GHttp/zipball/eb34d266a07c687aef45087370ef47d48321bd2e",
+            "reference": "eb34d266a07c687aef45087370ef47d48321bd2e",
+            "shasum": ""
+          },
+          "require": {
+            "cache/filesystem-adapter": "^1.0",
+            "guzzlehttp/guzzle": "^6.2"
+          },
+          "type": "library",
+          "autoload": {
+            "psr-4": {
+              "Jaeger\\": "src"
+            }
+          },
+          "notification-url": "https://packagist.jp/downloads/",
+          "license": [
+            "MIT"
+          ],
+          "authors": [
+            {
+              "name": "Jaeger",
+              "email": "JaegerCode@gmail.com"
+            }
+          ],
+          "description": "Simple Http client base on GuzzleHttp",
+          "time": "2018-12-12T04:21:15+00:00"
+        },
+      {
+        "name": "jaeger/phpquery-single",
+        "version": "1.0.0",
+        "source": {
+          "type": "git",
+          "url": "https://github.com/jae-jae/phpQuery-single.git",
+          "reference": "2d607a2bcfd8bcf5c42e83d6c66fedaf397c7c3f"
+        },
+        "dist": {
+          "type": "zip",
+          "url": "https://api.github.com/repos/jae-jae/phpQuery-single/zipball/2d607a2bcfd8bcf5c42e83d6c66fedaf397c7c3f",
+          "reference": "2d607a2bcfd8bcf5c42e83d6c66fedaf397c7c3f",
+          "shasum": ""
+        },
+        "require": {
+          "php": ">=5.3.0"
+        },
+        "type": "library",
+        "autoload": {
+          "classmap": [
+            "phpQuery.php"
+          ]
+        },
+        "notification-url": "https://packagist.jp/downloads/",
+        "license": [
+          "MIT"
+        ],
+        "authors": [
+          {
+            "name": "Tobiasz Cudnik",
+            "email": "tobiasz.cudnik@gmail.com",
+            "homepage": "https://github.com/TobiaszCudnik",
+            "role": "Developer"
+          },
+          {
+            "name": "Jaeger",
+            "role": "Packager"
+          }
+        ],
+        "description": "phpQuery单文件版本，是Querylist的依赖(http://querylist.cc/)，phpQuery项目主页:http://code.google.com/p/phpquery/",
+        "homepage": "http://code.google.com/p/phpquery/",
+        "time": "2019-02-22T07:27:45+00:00"
+      },
+      {
+        "name": "jaeger/querylist",
+        "version": "V4.1.1",
+        "source": {
+          "type": "git",
+          "url": "https://github.com/jae-jae/QueryList.git",
+          "reference": "46f564bc8b1a22b5dca7cd690b4af76e919b39f7"
+        },
+        "dist": {
+          "type": "zip",
+          "url": "https://api.github.com/repos/jae-jae/QueryList/zipball/46f564bc8b1a22b5dca7cd690b4af76e919b39f7",
+          "reference": "46f564bc8b1a22b5dca7cd690b4af76e919b39f7",
+          "shasum": ""
+        },
+        "require": {
+          "jaeger/g-http": "^1.1",
+          "jaeger/phpquery-single": "^1",
+          "php": ">=7.0",
+          "tightenco/collect": "^5"
+        },
+        "require-dev": {
+          "phpunit/phpunit": "^7.5",
+          "symfony/var-dumper": "^3.3"
+        },
+        "type": "library",
+        "autoload": {
+          "psr-4": {
+            "QL\\": "src"
+          }
+        },
+        "notification-url": "https://packagist.jp/downloads/",
+        "license": [
+          "MIT"
+        ],
+        "authors": [
+          {
+            "name": "Jaeger",
+            "email": "JaegerCode@gmail.com"
+          }
+        ],
+        "description": "Simple, elegant, extensible PHP Web Scraper (crawler/spider),Use the css3 dom selector,Based on phpQuery! 简洁、优雅、可扩展的PHP采集工具(爬虫)，基于phpQuery。",
+        "homepage": "http://querylist.cc",
+        "keywords": [
+          "QueryList",
+          "phpQuery",
+          "spider"
+        ],
+        "time": "2019-02-22T07:33:54+00:00"
+      },
+      {
+        "name": "league/flysystem",
+        "version": "1.0.63",
+        "source": {
+          "type": "git",
+          "url": "https://github.com/thephpleague/flysystem.git",
+          "reference": "8132daec326565036bc8e8d1876f77ec183a7bd6"
+        },
+        "dist": {
+          "type": "zip",
+          "url": "https://api.github.com/repos/thephpleague/flysystem/zipball/8132daec326565036bc8e8d1876f77ec183a7bd6",
+          "reference": "8132daec326565036bc8e8d1876f77ec183a7bd6",
+          "shasum": ""
+        },
+        "require": {
+          "ext-fileinfo": "*",
+          "php": ">=5.5.9"
+        },
+        "conflict": {
+          "league/flysystem-sftp": "<1.0.6"
+        },
+        "require-dev": {
+          "phpspec/phpspec": "^3.4",
+          "phpunit/phpunit": "^5.7.10"
+        },
+        "suggest": {
+          "ext-fileinfo": "Required for MimeType",
+          "ext-ftp": "Allows you to use FTP server storage",
+          "ext-openssl": "Allows you to use FTPS server storage",
+          "league/flysystem-aws-s3-v2": "Allows you to use S3 storage with AWS SDK v2",
+          "league/flysystem-aws-s3-v3": "Allows you to use S3 storage with AWS SDK v3",
+          "league/flysystem-azure": "Allows you to use Windows Azure Blob storage",
+          "league/flysystem-cached-adapter": "Flysystem adapter decorator for metadata caching",
+          "league/flysystem-eventable-filesystem": "Allows you to use EventableFilesystem",
+          "league/flysystem-rackspace": "Allows you to use Rackspace Cloud Files",
+          "league/flysystem-sftp": "Allows you to use SFTP server storage via phpseclib",
+          "league/flysystem-webdav": "Allows you to use WebDAV storage",
+          "league/flysystem-ziparchive": "Allows you to use ZipArchive adapter",
+          "spatie/flysystem-dropbox": "Allows you to use Dropbox storage",
+          "srmklive/flysystem-dropbox-v2": "Allows you to use Dropbox storage for PHP 5 applications"
+        },
+        "type": "library",
+        "extra": {
+          "branch-alias": {
+            "dev-master": "1.1-dev"
+          }
+        },
+        "autoload": {
+          "psr-4": {
+            "League\\Flysystem\\": "src/"
+          }
+        },
+        "notification-url": "https://packagist.jp/downloads/",
+        "license": [
+          "MIT"
+        ],
+        "authors": [
+          {
+            "name": "Frank de Jonge",
+            "email": "info@frenky.net"
+          }
+        ],
+        "description": "Filesystem abstraction: Many filesystems, one API.",
+        "keywords": [
+          "Cloud Files",
+          "WebDAV",
+          "abstraction",
+          "aws",
+          "cloud",
+          "copy.com",
+          "dropbox",
+          "file systems",
+          "files",
+          "filesystem",
+          "filesystems",
+          "ftp",
+          "rackspace",
+          "remote",
+          "s3",
+          "sftp",
+          "storage"
+        ],
+        "time": "2020-01-04T16:30:31+00:00"
+      },
+      {
             "name": "odan/phinx-migrations-generator",
             "version": "4.6.0",
             "source": {
@@ -2257,6 +2655,54 @@
             "time": "2019-11-21T15:15:19+00:00"
         },
         {
+          "name": "phalcon/ide-stubs",
+          "version": "v3.4.3",
+          "source": {
+            "type": "git",
+            "url": "https://github.com/phalcon/ide-stubs.git",
+            "reference": "65144f2b0fad32b182ccb062b1efc1b4edea5d44"
+          },
+          "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/phalcon/ide-stubs/zipball/65144f2b0fad32b182ccb062b1efc1b4edea5d44",
+            "reference": "65144f2b0fad32b182ccb062b1efc1b4edea5d44",
+            "shasum": ""
+          },
+          "require": {
+            "php": ">=5.3.0"
+          },
+          "type": "library",
+          "notification-url": "https://packagist.jp/downloads/",
+          "license": [
+            "BSD-3-Clause"
+          ],
+          "authors": [
+            {
+              "name": "Phalcon Team",
+              "email": "team@phalconphp.com",
+              "homepage": "https://phalconphp.com/en/team"
+            },
+            {
+              "name": "Contributors",
+              "homepage": "https://github.com/phalcon/ide-stubs/graphs/contributors"
+            }
+          ],
+          "description": "The most complete Phalcon Framework IDE stubs library which enables autocompletion in modern IDEs.",
+          "homepage": "https://phalconphp.com",
+          "keywords": [
+            "Devtools",
+            "Eclipse",
+            "autocomplete",
+            "ide",
+            "netbeans",
+            "phalcon",
+            "phpstorm",
+            "stub",
+            "stubs"
+          ],
+          "time": "2018-12-09T14:11:06+00:00"
+        },
+      {
             "name": "psr/container",
             "version": "1.0.0",
             "source": {
@@ -2846,6 +3292,82 @@
             "time": "2019-11-18T17:27:11+00:00"
         },
         {
+          "name": "symfony/var-dumper",
+          "version": "v4.4.2",
+          "source": {
+            "type": "git",
+            "url": "https://github.com/symfony/var-dumper.git",
+            "reference": "be330f919bdb395d1e0c3f2bfb8948512d6bdd99"
+          },
+          "dist": {
+            "type": "zip",
+            "url": "https://api.github.com/repos/symfony/var-dumper/zipball/be330f919bdb395d1e0c3f2bfb8948512d6bdd99",
+            "reference": "be330f919bdb395d1e0c3f2bfb8948512d6bdd99",
+            "shasum": ""
+          },
+          "require": {
+            "php": "^7.1.3",
+            "symfony/polyfill-mbstring": "~1.0",
+            "symfony/polyfill-php72": "~1.5"
+          },
+          "conflict": {
+            "phpunit/phpunit": "<4.8.35|<5.4.3,>=5.0",
+            "symfony/console": "<3.4"
+          },
+          "require-dev": {
+            "ext-iconv": "*",
+            "symfony/console": "^3.4|^4.0|^5.0",
+            "symfony/process": "^4.4|^5.0",
+            "twig/twig": "^1.34|^2.4|^3.0"
+          },
+          "suggest": {
+            "ext-iconv": "To convert non-UTF-8 strings to UTF-8 (or symfony/polyfill-iconv in case ext-iconv cannot be used).",
+            "ext-intl": "To show region name in time zone dump",
+            "symfony/console": "To use the ServerDumpCommand and/or the bin/var-dump-server script"
+          },
+          "bin": [
+            "Resources/bin/var-dump-server"
+          ],
+          "type": "library",
+          "extra": {
+            "branch-alias": {
+              "dev-master": "4.4-dev"
+            }
+          },
+          "autoload": {
+            "files": [
+              "Resources/functions/dump.php"
+            ],
+            "psr-4": {
+              "Symfony\\Component\\VarDumper\\": ""
+            },
+            "exclude-from-classmap": [
+              "/Tests/"
+            ]
+          },
+          "notification-url": "https://packagist.jp/downloads/",
+          "license": [
+            "MIT"
+          ],
+          "authors": [
+            {
+              "name": "Nicolas Grekas",
+              "email": "p@tchwork.com"
+            },
+            {
+              "name": "Symfony Community",
+              "homepage": "https://symfony.com/contributors"
+            }
+          ],
+          "description": "Symfony mechanism for exploring and dumping PHP variables",
+          "homepage": "https://symfony.com",
+          "keywords": [
+            "debug",
+            "dump"
+          ],
+          "time": "2019-12-18T13:41:29+00:00"
+        },
+      {
             "name": "symfony/yaml",
             "version": "v5.0.1",
             "source": {
@@ -2903,6 +3425,56 @@
             "description": "Symfony Yaml Component",
             "homepage": "https://symfony.com",
             "time": "2019-11-18T17:27:11+00:00"
+      },
+      {
+        "name": "tightenco/collect",
+        "version": "v5.8.35",
+        "source": {
+          "type": "git",
+          "url": "https://github.com/tightenco/collect.git",
+          "reference": "c93a7039e6207ad533a09109838fe80933fcc72c"
+        },
+        "dist": {
+          "type": "zip",
+          "url": "https://api.github.com/repos/tightenco/collect/zipball/c93a7039e6207ad533a09109838fe80933fcc72c",
+          "reference": "c93a7039e6207ad533a09109838fe80933fcc72c",
+          "shasum": ""
+        },
+        "require": {
+          "php": "^7.1.3",
+          "symfony/var-dumper": ">=3.4 <5"
+        },
+        "require-dev": {
+          "mockery/mockery": "^1.0",
+          "nesbot/carbon": "^1.26.3",
+          "phpunit/phpunit": "^7.0"
+        },
+        "type": "library",
+        "autoload": {
+          "files": [
+            "src/Collect/Support/helpers.php",
+            "src/Collect/Support/alias.php"
+          ],
+          "psr-4": {
+            "Tightenco\\Collect\\": "src/Collect"
+          }
+        },
+        "notification-url": "https://packagist.jp/downloads/",
+        "license": [
+          "MIT"
+        ],
+        "authors": [
+          {
+            "name": "Taylor Otwell",
+            "email": "taylorotwell@gmail.com"
+          }
+        ],
+        "description": "Collect - Illuminate Collections as a separate package.",
+        "keywords": [
+          "collection",
+          "laravel"
+        ],
+        "time": "2019-09-17T18:57:01+00:00"
         }
     ],
     "aliases": [],
@@ -2912,6 +3484,9 @@
     },
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": [],
+  "platform": {
+    "ext-redis": "*",
+    "ext-json": "*"
+  },
     "platform-dev": []
 }
diff --git a/config/config.php.default b/config/config.php.default
index 5ab4a195..5ac74c3a 100644
--- a/config/config.php.default
+++ b/config/config.php.default
@@ -55,7 +55,7 @@ $config['db']['password'] = '1qaz2wsx3edc';
 /**
  * 数据库编码
  */
-$config['db']['charset'] = 'utf8';
+$config['db']['charset'] = 'utf8mb4';
 
 /**
  * redis主机名
diff --git a/config/errors.php b/config/errors.php
index ee7df884..26f4fa39 100644
--- a/config/errors.php
+++ b/config/errors.php
@@ -13,30 +13,39 @@ $error['sys.access_denied'] = '访问被拒绝';
 $error['sys.session_expired'] = '会话已过期';
 $error['sys.unknown_error'] = '未知错误';
 
+/**
+ * 安全相关
+ */
+$error['security.invalid_captcha_code'] = '无效的验证码';
+$error['security.invalid_verify_code'] = '无效的验证码';
+
 /**
  * 帐号相关
  */
+$error['account.login_locked'] = '账户已被锁定，无法登录';
+$error['account.login_name_incorrect'] = '登录账户不正确';
+$error['account.login_password_incorrect'] = '登录密码不正确';
+$error['account.invalid_email'] = '无效的电子邮箱';
+$error['account.invalid_phone'] = '无效的手机号';
+$error['account.invalid_password'] = '无效的密码（字母或数字6-16位）';
+$error['account.email_taken'] = '邮箱被占用';
+$error['account.phone_taken'] = '手机号被占用';
+$error['account.origin_password_incorrect'] = '原密码不正确';
+$error['account.confirm_password_incorrect'] = '确认密码不正确';
+$error['account.admin_not_authorized'] = '账户没有登录后台的授权';
+
+/**
+ * 用户相关
+ */
 $error['user.not_found'] = '用户不存在';
-$error['user.login_locked'] = '账户已被锁定，无法登录';
-$error['user.login_account_incorrect'] = '登录账户不正确';
-$error['user.login_password_incorrect'] = '登录密码不正确';
+$error['user.name_taken'] = '用户名被占用';
 $error['user.title_too_long'] = '头衔过长（超过30个字符）';
 $error['user.about_too_long'] = '简介过长（超过255个字符）';
-$error['user.invalid_email'] = '无效的电子邮箱';
-$error['user.invalid_phone'] = '无效的手机号';
-$error['user.invalid_password'] = '无效的密码（字母或数字6-16位）';
 $error['user.invalid_edu_role'] = '无效的教学角色';
 $error['user.invalid_admin_role'] = '无效的后台角色';
 $error['user.invalid_lock_status'] = '无效的锁定状态';
 $error['user.invalid_lock_expiry'] = '无效的锁定期限';
-$error['user.invalid_captcha_code'] = '无效的验证码';
-$error['user.invalid_verify_code'] = '无效的验证码';
-$error['user.email_taken'] = '邮箱被占用';
-$error['user.phone_taken'] = '手机号被占用';
-$error['user.name_taken'] = '用户名被占用';
-$error['user.origin_password_incorrect'] = '原密码不正确';
-$error['user.confirm_password_incorrect'] = '确认密码不正确';
-$error['user.admin_not_authorized'] = '账户没有登录后台的授权';
+
 
 /**
  * 分类相关
@@ -47,6 +56,21 @@ $error['category.invalid_publish_status'] = '无效的发布状态';
 $error['category.invalid_priority'] = '无效的排序值（范围：1-255）';
 $error['category.name_too_short'] = '名称太短（少于2个字符）';
 $error['category.name_too_long'] = '名称太长（多于30个字符）';
+$error['category.has_child_node'] = '存在子节点，不允许相关操作';
+
+/**
+ * 导航相关
+ */
+$error['nav.not_found'] = '分类不存在';
+$error['nav.parent_not_found'] = '父级分类不存在';
+$error['nav.invalid_publish_status'] = '无效的发布状态';
+$error['nav.invalid_url'] = '无效的访问地址';
+$error['nav.invalid_position'] = '无效的位置类型';
+$error['nav.invalid_target'] = '无效的目标类型';
+$error['nav.invalid_priority'] = '无效的排序值（范围：1-255）';
+$error['nav.name_too_short'] = '名称太短（少于2个字符）';
+$error['nav.name_too_long'] = '名称太长（多于30个字符）';
+$error['nav.has_child_node'] = '存在子节点，不允许相关操作';
 
 /**
  * 课程相关
@@ -63,7 +87,7 @@ $error['course.invalid_vip_price'] = '无效的会员价格';
 $error['course.invalid_expiry'] = '无效的期限';
 $error['course.invalid_publish_status'] = '无效的发布状态';
 $error['course.pub_chapter_not_found'] = '尚未发现已发布的课时';
-$error['course.pub_chapter_too_few'] = '已发布的课时太少（未过三分之一）';
+$error['course.pub_chapter_not_enough'] = '已发布的课时太少（未过三分之一）';
 
 $error['course.has_not_favorited'] = '尚未收藏该课程';
 $error['course.has_favorited'] = '已经收藏过该课程了';
@@ -73,10 +97,18 @@ $error['course.has_reviewed'] = '已经评价过该课程了';
 $error['course.apply_offline_course'] = '申请未发布的课程';
 $error['course.apply_charge_course'] = '申请非免费的课程';
 
+/**
+ * 话题相关
+ */
+$error['topic.not_found'] = '话题不存在';
+$error['topic.title_too_short'] = '标题太短（少于2个字符）';
+$error['topic.title_too_long'] = '标题太长（多于30个字符）';
+$error['topic.invalid_publish_status'] = '无效的发布状态';
+
 /**
  * 套餐相关
  */
-$error['package.not_found'] = '课程不存在';
+$error['package.not_found'] = '套餐不存在';
 $error['package.title_too_short'] = '标题太短（少于5个字符）';
 $error['package.title_too_long'] = '标题太长（多于30个字符）';
 $error['package.invalid_market_price'] = '无效的市场价格';
@@ -101,13 +133,14 @@ $error['chapter.invalid_publish_status'] = '无效的发布状态';
 $error['chapter.invalid_free_status'] = '无效的免费状态';
 $error['chapter.invalid_course_id'] = '无效的课程编号';
 $error['chapter.invalid_parent_id'] = '无效的父级编号';
+$error['chapter.invalid_priority'] = '无效的排序值（范围：1-255）';
 $error['chapter.title_too_short'] = '标题太短（少于2个字符）';
 $error['chapter.title_too_long'] = '标题太长（多于30个字符）';
-$error['chapter.vod_not_uploaded'] = '点播资源文件尚未上传';
-$error['chapter.vod_not_translated'] = '点播资源转码尚未完成';
+$error['chapter.vod_not_ready'] = '点播资源尚未就绪';
 $error['chapter.live_not_started'] = '直播尚未开始';
 $error['chapter.live_time_empty'] = '直播时间尚未设置';
-$error['chapter.article_content_empty'] = '文章内容尚未设置';
+$error['chapter.read_not_ready'] = '文章内容尚未就绪';
+$error['chapter.has_child_node'] = '存在子节点，不允许相关操作';
 
 /**
  * 点播相关
@@ -129,9 +162,9 @@ $error['chapter_live.time_too_long'] = '直播时间太长（超过3小时）';
 /**
  * 图文相关
  */
-$error['chapter_article.not_found'] = '文章不存在';
-$error['chapter_article.content_too_short'] = '文章内容太短（少于10个字符）';
-$error['chapter_article.content_too_long'] = '文章内容太长（多于65535个字符）';
+$error['chapter_read.not_found'] = '文章不存在';
+$error['chapter_read.content_too_short'] = '文章内容太短（少于10个字符）';
+$error['chapter_read.content_too_long'] = '文章内容太长（多于65535个字符）';
 
 /**
  * 评价相关
@@ -152,6 +185,17 @@ $error['page.content_too_short'] = '内容太短（少于10个字符）';
 $error['page.content_too_long'] = '内容太长（多于65535个字符）';
 $error['page.invalid_publish_status'] = '无效的发布状态';
 
+/**
+ * 帮助相关
+ */
+$error['help.not_found'] = '帮助不存在';
+$error['help.title_too_short'] = '标题太短（少于2个字符）';
+$error['help.title_too_long'] = '标题太长（多于30个字符）';
+$error['help.content_too_short'] = '内容太短（少于10个字符）';
+$error['help.content_too_long'] = '内容太长（多于65535个字符）';
+$error['help.invalid_priority'] = '无效的排序数值（范围：1-255）';
+$error['help.invalid_publish_status'] = '无效的发布状态';
+
 /**
  * 轮播相关
  */
diff --git a/config/events.php b/config/events.php
index bd223f78..e3d6e97e 100644
--- a/config/events.php
+++ b/config/events.php
@@ -3,7 +3,6 @@
 $events = [
 
     'db' => \App\Listeners\Profiler::class,
-    'course' => \App\Listeners\Course::class,
     'payment' => \App\Listeners\Payment::class,
 
 ];
diff --git a/config/xs.course.ini.default b/config/xs.course.ini.default
index 3b1620dc..6574b7e2 100644
--- a/config/xs.course.ini.default
+++ b/config/xs.course.ini.default
@@ -29,9 +29,6 @@ type = string
 [expiry]
 type = string
 
-[rating]
-type = string
-
 [score]
 type = numeric
 
@@ -45,8 +42,8 @@ type = string
 index = self
 tokenizer = full
 
-[student_count]
-type = numeric
+[user_count]
+type = string
 
 [lesson_count]
 type = string
diff --git a/public/static/admin/js/xm-course.js b/public/static/admin/js/xm-course.js
index 239d833b..666def64 100644
--- a/public/static/admin/js/xm-course.js
+++ b/public/static/admin/js/xm-course.js
@@ -1,7 +1,7 @@
 /**
  * 挑选课程组件
- * @param array data 默认数据
- * @param string url 请求地址
+ * @param data array 默认数据
+ * @param url string 请求地址
  */
 function xmCourse(data, url) {
 
@@ -41,44 +41,33 @@ function xmCourse(data, url) {
                 {field: 'id', title: '编号', width: 50},
                 {field: 'title', title: '标题', width: 300},
                 {
-                    field: 'model', title: '类型', width: 60, templet: function (d) {
-                        if (d.model == 'vod') {
+                    field: 'model', title: '类型', width: 50, templet: function (d) {
+                        if (d.model === 'vod') {
                             return '<span class="layui-badge layui-bg-green">点播</span>';
-                        } else if (d.model == 'live') {
+                        } else if (d.model === 'live') {
                             return '<span class="layui-badge layui-bg-orange">直播</span>';
-                        } else if (d.model == 'article') {
+                        } else if (d.model === 'read') {
                             return '<span class="layui-badge layui-bg-black">图文</span>';
                         }
                     }
                 },
                 {
-                    field: 'lesson_count', title: '课时数', width: 60, templet: function (d) {
+                    field: 'lesson_count', title: '学员数', width: 55, templet: function (d) {
+                        return '<span class="layui-badge layui-bg-gray">' + d.user_count + '</span>';
+                    }
+                },
+                {
+                    field: 'lesson_count', title: '课时数', width: 55, templet: function (d) {
                         return '<span class="layui-badge layui-bg-gray">' + d.lesson_count + '</span>';
                     }
                 },
                 {
-                    field: 'expiry', title: '有效期', width: 70, templet: function (d) {
-                        if (d.expiry == '30') {
-                            return '一个月';
-                        } else if (d.expiry == '90') {
-                            return '三个月';
-                        }
-                        else if (d.expiry == '180') {
-                            return '半年';
-                        } else if (d.expiry == '365') {
-                            return '一年';
-                        } else if (d.expiry == '1095') {
-                            return '三年';
-                        }
-                    }
-                },
-                {
-                    field: 'market_price', title: '市场价', width: 70, templet: function (d) {
+                    field: 'market_price', title: '市场价', width: 60, templet: function (d) {
                         return '￥' + d.market_price;
                     }
                 },
                 {
-                    field: 'vip_price', title: '会员价', width: 70, templet: function (d) {
+                    field: 'vip_price', title: '会员价', width: 60, templet: function (d) {
                         return '￥' + d.vip_price;
                     }
                 },
@@ -104,4 +93,5 @@ function xmCourse(data, url) {
         });
 
     });
+
 }
diff --git a/public/static/lib/layui/css/layui.css b/public/static/lib/layui/css/layui.css
index 0e8508f6..e31c66b6 100644
--- a/public/static/lib/layui/css/layui.css
+++ b/public/static/lib/layui/css/layui.css
@@ -1,2 +1,2 @@
 /** layui-v2.5.5 MIT License By https://www.layui.com */
- .layui-inline,img{display:inline-block;vertical-align:middle}h1,h2,h3,h4,h5,h6{font-weight:400}.layui-edge,.layui-header,.layui-inline,.layui-main{position:relative}.layui-body,.layui-edge,.layui-elip{overflow:hidden}.layui-btn,.layui-edge,.layui-inline,img{vertical-align:middle}.layui-btn,.layui-disabled,.layui-icon,.layui-unselect{-moz-user-select:none;-webkit-user-select:none;-ms-user-select:none}.layui-elip,.layui-form-checkbox span,.layui-form-pane .layui-form-label{text-overflow:ellipsis;white-space:nowrap}.layui-breadcrumb,.layui-tree-btnGroup{visibility:hidden}blockquote,body,button,dd,div,dl,dt,form,h1,h2,h3,h4,h5,h6,input,li,ol,p,pre,td,textarea,th,ul{margin:0;padding:0;-webkit-tap-highlight-color:rgba(0,0,0,0)}a:active,a:hover{outline:0}img{border:none}li{list-style:none}table{border-collapse:collapse;border-spacing:0}h4,h5,h6{font-size:100%}button,input,optgroup,option,select,textarea{font-family:inherit;font-size:inherit;font-style:inherit;font-weight:inherit;outline:0}pre{white-space:pre-wrap;white-space:-moz-pre-wrap;white-space:-pre-wrap;white-space:-o-pre-wrap;word-wrap:break-word}body{line-height:24px;font:14px Helvetica Neue,Helvetica,PingFang SC,Tahoma,Arial,sans-serif}hr{height:1px;margin:10px 0;border:0;clear:both}a{color:#333;text-decoration:none}a:hover{color:#777}a cite{font-style:normal;*cursor:pointer}.layui-border-box,.layui-border-box *{box-sizing:border-box}.layui-box,.layui-box *{box-sizing:content-box}.layui-clear{clear:both;*zoom:1}.layui-clear:after{content:'\20';clear:both;*zoom:1;display:block;height:0}.layui-inline{*display:inline;*zoom:1}.layui-edge{display:inline-block;width:0;height:0;border-width:6px;border-style:dashed;border-color:transparent}.layui-edge-top{top:-4px;border-bottom-color:#999;border-bottom-style:solid}.layui-edge-right{border-left-color:#999;border-left-style:solid}.layui-edge-bottom{top:2px;border-top-color:#999;border-top-style:solid}.layui-edge-left{border-right-color:#999;border-right-style:solid}.layui-disabled,.layui-disabled:hover{color:#d2d2d2!important;cursor:not-allowed!important}.layui-circle{border-radius:100%}.layui-show{display:block!important}.layui-hide{display:none!important}@font-face{font-family:layui-icon;src:url(../font/iconfont.eot?v=250);src:url(../font/iconfont.eot?v=250#iefix) format('embedded-opentype'),url(../font/iconfont.woff2?v=250) format('woff2'),url(../font/iconfont.woff?v=250) 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diff --git a/public/static/lib/layui/css/dropdown.css b/public/static/lib/layui/extends/dropdown.css
similarity index 100%
rename from public/static/lib/layui/css/dropdown.css
rename to public/static/lib/layui/extends/dropdown.css
diff --git a/public/static/lib/layui/font/iconfont.svg b/public/static/lib/layui/font/iconfont.svg
index f407df75..6d6cff74 100644
--- a/public/static/lib/layui/font/iconfont.svg
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diff --git a/scheduler.php b/scheduler.php
index 3793c6f6..f78d97df 100644
--- a/scheduler.php
+++ b/scheduler.php
@@ -13,27 +13,36 @@ $scheduler->php($script, $bin, ['--task' => 'vod_event', '--action' => 'main'])
     ->at('*/5 * * * *');
 
 $scheduler->php($script, $bin, ['--task' => 'close_trade', '--action' => 'main'])
-    ->at('*/15 * * * *');
-
-$scheduler->php($script, $bin, ['--task' => 'close_order', '--action' => 'main'])
-    ->at('* */3 * * *');
+    ->at('*/13 * * * *');
 
 $scheduler->php($script, $bin, ['--task' => 'learning', '--action' => 'main'])
-    ->at('*/10 * * * *');
+    ->at('*/7 * * * *');
 
-$scheduler->php($script, $bin, ['--task' => 'refund', '--action' => 'main'])
+$scheduler->php($script, $bin, ['--task' => 'close_order', '--action' => 'main'])
     ->hourly(3);
 
-$scheduler->php($script, $bin, ['--task' => 'sync_index', '--action' => 'main'])
-    ->hourly(13);
+$scheduler->php($script, $bin, ['--task' => 'refund', '--action' => 'main'])
+    ->hourly(7);
+
+$scheduler->php($script, $bin, ['--task' => 'rebuild_course_index', '--action' => 'main'])
+    ->hourly(11);
+
+$scheduler->php($script, $bin, ['--task' => 'rebuild_course_cache', '--action' => 'main'])
+    ->hourly(17);
+
+$scheduler->php($script, $bin, ['--task' => 'rebuild_chapter_cache', '--action' => 'main'])
+    ->hourly(23);
 
 $scheduler->php($script, $bin, ['--task' => 'clean_log', '--action' => 'main'])
-    ->daily(3, 10);
-
-$scheduler->php($script, $bin, ['--task' => 'count_course', '--action' => 'main'])
-    ->daily(3, 20);
+    ->daily(3, 3);
 
 $scheduler->php($script, $bin, ['--task' => 'unlock_user', '--action' => 'main'])
-    ->daily(3, 30);
+    ->daily(3, 7);
+
+$scheduler->php($script, $bin, ['--task' => 'close_slide', '--action' => 'main'])
+    ->daily(3, 11);
+
+$scheduler->php($script, $bin, ['--task' => 'count_course', '--action' => 'main'])
+    ->daily(3, 17);
 
 $scheduler->run();
\ No newline at end of file
diff --git a/storage/tmp/.gitignore b/storage/tmp/.gitignore
deleted file mode 100644
index c96a04f0..00000000
--- a/storage/tmp/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*
-!.gitignore
\ No newline at end of file