diff --git a/app/Console/Tasks/RefundTask.php b/app/Console/Tasks/RefundTask.php
index 64453494..22b3f265 100644
--- a/app/Console/Tasks/RefundTask.php
+++ b/app/Console/Tasks/RefundTask.php
@@ -179,7 +179,9 @@ class RefundTask extends Task
         $courseUser = $courseUserRepo->findCourseStudent($order->item_id, $order->user_id);
 
         if ($courseUser) {
+
             $courseUser->deleted = 1;
+
             if ($courseUser->update() === false) {
                 throw new \RuntimeException('Delete Course User Failed');
             }
@@ -205,7 +207,9 @@ class RefundTask extends Task
             $courseUser = $courseUserRepo->findCourseStudent($course['id'], $order->user_id);
 
             if ($courseUser) {
+
                 $courseUser->deleted = 1;
+
                 if ($courseUser->update() === false) {
                     throw new \RuntimeException('Delete Course User Failed');
                 }
diff --git a/app/Http/Admin/Services/Refund.php b/app/Http/Admin/Services/Refund.php
index 85dd0b22..d4c8c16c 100644
--- a/app/Http/Admin/Services/Refund.php
+++ b/app/Http/Admin/Services/Refund.php
@@ -94,7 +94,7 @@ class Refund extends Service
 
         $data = [];
 
-        $validator->checkReviewAction($refund);
+        $validator->checkIfAllowReview($refund);
 
         $data['status'] = $validator->checkReviewStatus($post['status']);
         $data['review_note'] = $validator->checkReviewNote($post['review_note']);
diff --git a/app/Http/Home/Controllers/CourseController.php b/app/Http/Home/Controllers/CourseController.php
index bd2df268..9a815fd2 100644
--- a/app/Http/Home/Controllers/CourseController.php
+++ b/app/Http/Home/Controllers/CourseController.php
@@ -3,10 +3,10 @@
 namespace App\Http\Home\Controllers;
 
 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;
+use App\Services\Frontend\Favorite as CourseFavoriteService;
+use App\Services\Frontend\ReviewCreate as CourseReviewService;
 
 /**
  * @RoutePrefix("/course")
diff --git a/app/Http/Home/Controllers/IndexController.php b/app/Http/Home/Controllers/IndexController.php
index f2c6bfd9..3216c8e7 100644
--- a/app/Http/Home/Controllers/IndexController.php
+++ b/app/Http/Home/Controllers/IndexController.php
@@ -13,12 +13,4 @@ class IndexController extends Controller
 
     }
 
-    /**
-     * @Get("/phpinfo", name="home.phpinfo")
-     */
-    public function phpinfoAction()
-    {
-        echo phpinfo(); exit;
-    }
-
 }
diff --git a/app/Listeners/ChapterAdmin.php b/app/Listeners/ChapterAdmin.php
index 54f69bbb..9bcb4054 100644
--- a/app/Listeners/ChapterAdmin.php
+++ b/app/Listeners/ChapterAdmin.php
@@ -2,9 +2,9 @@
 
 namespace App\Listeners;
 
+use App\Caches\Chapter as ChapterCache;
 use App\Caches\MaxChapterId as MaxChapterIdCache;
 use App\Models\Chapter as ChapterModel;
-use App\Services\ChapterCacheSyncer;
 use Phalcon\Events\Event;
 
 class ChapterAdmin extends Listener
@@ -76,9 +76,9 @@ class ChapterAdmin extends Listener
 
     protected function syncCache(ChapterModel $chapter)
     {
-        $cacheSyncer = new ChapterCacheSyncer();
+        $chapterCache = new ChapterCache();
 
-        $cacheSyncer->addItem($chapter->id);
+        $chapterCache->rebuild($chapter->id);
     }
 
 }
\ No newline at end of file
diff --git a/app/Listeners/CourseAdmin.php b/app/Listeners/CourseAdmin.php
index 72d91c2f..94eefc02 100644
--- a/app/Listeners/CourseAdmin.php
+++ b/app/Listeners/CourseAdmin.php
@@ -2,9 +2,9 @@
 
 namespace App\Listeners;
 
+use App\Caches\Course as CourseCache;
 use App\Caches\MaxCourseId as MaxCourseIdCache;
 use App\Models\Course as CourseModel;
-use App\Services\CourseCacheSyncer;
 use App\Services\CourseIndexSyncer;
 use Phalcon\Events\Event;
 
@@ -84,9 +84,9 @@ class CourseAdmin extends Listener
 
     protected function syncCache(CourseModel $course)
     {
-        $cacheSyncer = new CourseCacheSyncer();
+        $courseCache = new CourseCache();
 
-        $cacheSyncer->addItem($course->id);
+        $courseCache->rebuild($course->id);
     }
 
     protected function syncIndex(CourseModel $course)
diff --git a/app/Models/Category.php b/app/Models/Category.php
index 5dd8f674..514876fc 100644
--- a/app/Models/Category.php
+++ b/app/Models/Category.php
@@ -133,14 +133,17 @@ class Category extends Model
 
     public function rebuildCache()
     {
-        $categoryCache = new CategoryCache();
-        $categoryCache->rebuild($this->id);
+        $cache = new CategoryCache();
 
-        $categoryListCache = new CategoryListCache();
-        $categoryListCache->rebuild();
+        $cache->rebuild($this->id);
 
-        $categoryTreeListCache = new CategoryTreeListCache();
-        $categoryTreeListCache->rebuild();
+        $listCache = new CategoryListCache();
+
+        $listCache->rebuild();
+
+        $treeListCache = new CategoryTreeListCache();
+
+        $treeListCache->rebuild();
     }
 
 }
diff --git a/app/Models/ChapterVod.php b/app/Models/ChapterVod.php
index 40d1d4b3..bf8fcb78 100644
--- a/app/Models/ChapterVod.php
+++ b/app/Models/ChapterVod.php
@@ -103,7 +103,7 @@ class ChapterVod extends Model
             $this->update();
 
             /**
-             * afterUpdate事件会序列化属性，需再次重设属性
+             * afterUpdate事件触发序列化，故重设属性
              */
             $this->file_transcode = $transcode;
         }
diff --git a/app/Models/Nav.php b/app/Models/Nav.php
index d7e17047..30affc89 100644
--- a/app/Models/Nav.php
+++ b/app/Models/Nav.php
@@ -158,6 +158,7 @@ class Nav extends Model
     public function rebuildCache()
     {
         $cache = new NavTreeListCache();
+
         $cache->rebuild();
     }
 
diff --git a/app/Models/User.php b/app/Models/User.php
index 1fd80392..409e62c9 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -177,6 +177,7 @@ class User extends Model
     public function afterCreate()
     {
         $maxUserIdCache = new MaxUserIdCache();
+
         $maxUserIdCache->rebuild();
     }
 
@@ -201,16 +202,4 @@ class User extends Model
         return $list;
     }
 
-    public static function vipTypes()
-    {
-        $list = [
-            1 => '1个月',
-            3 => '3个月',
-            6 => '6个月',
-            12 => '12个月',
-        ];
-
-        return $list;
-    }
-
 }
diff --git a/app/Repos/Order.php b/app/Repos/Order.php
index e842b35a..5e369c26 100644
--- a/app/Repos/Order.php
+++ b/app/Repos/Order.php
@@ -125,7 +125,7 @@ class Order extends Repository
      * @param string $itemType
      * @return OrderModel|Model|bool
      */
-    public function findLastUserItem($userId, $itemId, $itemType)
+    public function findLastUserOrder($userId, $itemId, $itemType)
     {
         $result = OrderModel::findFirst([
             'conditions' => 'user_id = ?1 AND item_id = ?2 AND item_type = ?3',
diff --git a/app/Services/Frontend/Account.php b/app/Services/Frontend/Account.php
deleted file mode 100644
index 296a9e72..00000000
--- a/app/Services/Frontend/Account.php
+++ /dev/null
@@ -1,143 +0,0 @@
-<?php
-
-namespace App\Services\Frontend;
-
-use App\Models\Account as AccountModel;
-use App\Repos\Account as AccountRepo;
-use App\Validators\Account as AccountValidator;
-use App\Validators\Security as SecurityValidator;
-
-class Account extends Service
-{
-
-    public function createAccount()
-    {
-        $post = $this->request->getPost();
-
-        $securityValidator = new SecurityValidator();
-
-        $securityValidator->checkVerifyCode($post['phone'], $post['verify_code']);
-
-        $accountValidator = new AccountValidator();
-
-        $data = [];
-
-        $data['phone'] = $accountValidator->checkPhone($post['phone']);
-        $data['password'] = $accountValidator->checkPassword($post['password']);
-
-        $accountValidator->checkIfPhoneTaken($post['phone']);
-
-        $account = new AccountModel();
-
-        $account->create($data);
-
-        return $account;
-    }
-
-    public function updateEmail()
-    {
-        $post = $this->request->getPost();
-
-        $user = $this->getLoginUser();
-
-        $accountRepo = new AccountRepo();
-
-        $account = $accountRepo->findById($user->id);
-
-        $accountValidator = new AccountValidator();
-
-        $email = $accountValidator->checkEmail($post['email']);
-
-        if ($email != $account->email) {
-            $accountValidator->checkIfEmailTaken($post['email']);
-        }
-
-        $accountValidator->checkOriginPassword($account, $post['origin_password']);
-
-        $securityValidator = new SecurityValidator();
-
-        $securityValidator->checkVerifyCode($post['email'], $post['verify_code']);
-
-        $account->email = $email;
-
-        $account->update();
-
-        return $account;
-    }
-
-    public function updatePhone()
-    {
-        $post = $this->request->getPost();
-
-        $user = $this->getLoginUser();
-
-        $accountRepo = new AccountRepo();
-
-        $account = $accountRepo->findById($user->id);
-
-        $accountValidator = new AccountValidator();
-
-        $phone = $accountValidator->checkPhone($post['phone']);
-
-        if ($phone != $account->phone) {
-            $accountValidator->checkIfPhoneTaken($post['phone']);
-        }
-
-        $accountValidator->checkOriginPassword($account, $post['origin_password']);
-
-        $securityValidator = new SecurityValidator();
-
-        $securityValidator->checkVerifyCode($post['phone'], $post['verify_code']);
-
-        $account->phone = $phone;
-
-        $account->update();
-
-        return $account;
-    }
-
-    public function updatePassword()
-    {
-        $post = $this->request->getPost();
-
-        $user = $this->getLoginUser();
-
-        $accountRepo = new AccountRepo();
-
-        $account = $accountRepo->findById($user->id);
-
-        $accountValidator = new AccountValidator();
-
-        $accountValidator->checkOriginPassword($account, $post['origin_password']);
-
-        $newPassword = $accountValidator->checkPassword($post['new_password']);
-
-        $account->password = $newPassword;
-
-        $account->update();
-
-        return $account;
-    }
-
-    public function resetPassword()
-    {
-        $post = $this->request->getPost();
-
-        $accountValidator = new AccountValidator();
-
-        $account = $accountValidator->checkLoginAccount($post['account']);
-
-        $accountValidator->checkPassword($post['new_password']);
-
-        $securityValidator = new SecurityValidator();
-
-        $securityValidator->checkVerifyCode($post['account'], $post['verify_code']);
-
-        $account->password = $post['new_password'];
-
-        $account->update();
-
-        return $account;
-    }
-
-}
diff --git a/app/Services/Frontend/Account/AccountCreate.php b/app/Services/Frontend/Account/AccountCreate.php
new file mode 100644
index 00000000..b851bc44
--- /dev/null
+++ b/app/Services/Frontend/Account/AccountCreate.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Services\Frontend\Account;
+
+use App\Models\Account as AccountModel;
+use App\Services\Frontend\Service;
+use App\Validators\Account as AccountValidator;
+use App\Validators\Security as SecurityValidator;
+
+class AccountCreate extends Service
+{
+
+    public function createAccount()
+    {
+        $post = $this->request->getPost();
+
+        $securityValidator = new SecurityValidator();
+
+        $securityValidator->checkVerifyCode($post['phone'], $post['verify_code']);
+
+        $accountValidator = new AccountValidator();
+
+        $data = [];
+
+        $data['phone'] = $accountValidator->checkPhone($post['phone']);
+        $data['password'] = $accountValidator->checkPassword($post['password']);
+
+        $accountValidator->checkIfPhoneTaken($post['phone']);
+
+        $account = new AccountModel();
+
+        $account->create($data);
+
+        return $account;
+    }
+
+}
diff --git a/app/Services/Frontend/Account/EmailUpdate.php b/app/Services/Frontend/Account/EmailUpdate.php
new file mode 100644
index 00000000..1adedb11
--- /dev/null
+++ b/app/Services/Frontend/Account/EmailUpdate.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Repos\Account as AccountRepo;
+use App\Validators\Account as AccountValidator;
+use App\Validators\Security as SecurityValidator;
+
+class EmailUpdate extends Service
+{
+
+    public function updateEmail()
+    {
+        $post = $this->request->getPost();
+
+        $user = $this->getLoginUser();
+
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findById($user->id);
+
+        $accountValidator = new AccountValidator();
+
+        $email = $accountValidator->checkEmail($post['email']);
+
+        if ($email != $account->email) {
+            $accountValidator->checkIfEmailTaken($post['email']);
+        }
+
+        $accountValidator->checkOriginPassword($account, $post['origin_password']);
+
+        $securityValidator = new SecurityValidator();
+
+        $securityValidator->checkVerifyCode($post['email'], $post['verify_code']);
+
+        $account->email = $email;
+
+        $account->update();
+
+        return $account;
+    }
+
+}
diff --git a/app/Services/Frontend/Account/PasswordReset.php b/app/Services/Frontend/Account/PasswordReset.php
new file mode 100644
index 00000000..70f9c341
--- /dev/null
+++ b/app/Services/Frontend/Account/PasswordReset.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Services\Frontend\Account;
+
+use App\Services\Frontend\Service;
+use App\Validators\Account as AccountValidator;
+use App\Validators\Security as SecurityValidator;
+
+class PasswordReset extends Service
+{
+
+    public function resetPassword()
+    {
+        $post = $this->request->getPost();
+
+        $accountValidator = new AccountValidator();
+
+        $account = $accountValidator->checkLoginAccount($post['account']);
+
+        $accountValidator->checkPassword($post['new_password']);
+
+        $securityValidator = new SecurityValidator();
+
+        $securityValidator->checkVerifyCode($post['account'], $post['verify_code']);
+
+        $account->password = $post['new_password'];
+
+        $account->update();
+
+        return $account;
+    }
+
+}
diff --git a/app/Services/Frontend/Account/PasswordUpdate.php b/app/Services/Frontend/Account/PasswordUpdate.php
new file mode 100644
index 00000000..a1eae84b
--- /dev/null
+++ b/app/Services/Frontend/Account/PasswordUpdate.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Services\Frontend\Account;
+
+use App\Repos\Account as AccountRepo;
+use App\Services\Frontend\Service;
+use App\Validators\Account as AccountValidator;
+
+class PasswordUpdate extends Service
+{
+
+    public function updatePassword()
+    {
+        $post = $this->request->getPost();
+
+        $user = $this->getLoginUser();
+
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findById($user->id);
+
+        $accountValidator = new AccountValidator();
+
+        $accountValidator->checkOriginPassword($account, $post['origin_password']);
+
+        $newPassword = $accountValidator->checkPassword($post['new_password']);
+
+        $account->password = $newPassword;
+
+        $account->update();
+
+        return $account;
+    }
+
+}
diff --git a/app/Services/Frontend/Account/PhoneUpdate.php b/app/Services/Frontend/Account/PhoneUpdate.php
new file mode 100644
index 00000000..c92d85f2
--- /dev/null
+++ b/app/Services/Frontend/Account/PhoneUpdate.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Services\Frontend\Account;
+
+use App\Repos\Account as AccountRepo;
+use App\Services\Frontend\Service;
+use App\Validators\Account as AccountValidator;
+use App\Validators\Security as SecurityValidator;
+
+class PhoneUpdate extends Service
+{
+
+    public function updatePhone()
+    {
+        $post = $this->request->getPost();
+
+        $user = $this->getLoginUser();
+
+        $accountRepo = new AccountRepo();
+
+        $account = $accountRepo->findById($user->id);
+
+        $accountValidator = new AccountValidator();
+
+        $phone = $accountValidator->checkPhone($post['phone']);
+
+        if ($phone != $account->phone) {
+            $accountValidator->checkIfPhoneTaken($post['phone']);
+        }
+
+        $accountValidator->checkOriginPassword($account, $post['origin_password']);
+
+        $securityValidator = new SecurityValidator();
+
+        $securityValidator->checkVerifyCode($post['phone'], $post['verify_code']);
+
+        $account->phone = $phone;
+
+        $account->update();
+
+        return $account;
+    }
+
+}
diff --git a/app/Services/Frontend/Chapter.php b/app/Services/Frontend/Chapter/ChapterInfo.php
similarity index 71%
rename from app/Services/Frontend/Chapter.php
rename to app/Services/Frontend/Chapter/ChapterInfo.php
index 0526f259..fa23c757 100644
--- a/app/Services/Frontend/Chapter.php
+++ b/app/Services/Frontend/Chapter/ChapterInfo.php
@@ -1,19 +1,23 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Chapter;
 
 use App\Models\Chapter as ChapterModel;
 use App\Models\ChapterUser as ChapterUserModel;
 use App\Models\ChapterVote as ChapterVoteModel;
 use App\Models\Course as CourseModel;
+use App\Models\CourseUser as CourseUserModel;
 use App\Models\User as UserModel;
 use App\Repos\Chapter as ChapterRepo;
 use App\Repos\ChapterVote as ChapterVoteRepo;
 use App\Services\ChapterVod as ChapterVodService;
+use App\Services\Frontend\ChapterTrait;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 use App\Services\Live as LiveService;
 use WhichBrowser\Parser as BrowserParser;
 
-class Chapter extends Service
+class ChapterInfo extends Service
 {
 
     /**
@@ -32,24 +36,31 @@ class Chapter extends Service
     {
         $chapter = $this->checkChapter($id);
 
-        $this->course = $this->checkCourse($chapter->course_id);
+        $course = $this->checkCourse($chapter->course_id);
 
-        $this->user = $this->getCurrentUser();
+        $this->course = $course;
 
-        $this->setCourseUser($this->course, $this->user);
+        $user = $this->getCurrentUser();
 
-        $this->setChapterUser($chapter, $this->user);
+        $this->user = $user;
 
-        $this->handleChapterUser($chapter);
+        $this->setCourseUser($course, $user);
 
-        return $this->handleChapter($chapter);
+        $this->setChapterUser($chapter, $user);
+
+        $this->handleCourseUser($course, $user);
+
+        $this->handleChapterUser($chapter, $user);
+
+        return $this->handleChapter($chapter, $user);
     }
 
     /**
      * @param ChapterModel $chapter
+     * @param UserModel $user
      * @return array
      */
-    protected function handleChapter(ChapterModel $chapter)
+    protected function handleChapter(ChapterModel $chapter, UserModel $user)
     {
         $result = $this->formatChapter($chapter);
 
@@ -60,11 +71,11 @@ class Chapter extends Service
 
         $me['owned'] = $this->ownedChapter;
 
-        if ($this->user->id > 0) {
+        if ($user->id > 0) {
 
             $chapterVoteRepo = new ChapterVoteRepo();
 
-            $chapterVote = $chapterVoteRepo->findChapterVote($chapter->id, $this->user->id);
+            $chapterVote = $chapterVoteRepo->findChapterVote($chapter->id, $user->id);
 
             if ($chapterVote) {
                 $me['agreed'] = $chapterVote->type == ChapterVoteModel::TYPE_AGREE;
@@ -210,28 +221,56 @@ class Chapter extends Service
     }
 
     /**
-     * @param ChapterModel $chapter
+     * @param CourseModel $course
+     * @param UserModel $user
      */
-    protected function handleChapterUser(ChapterModel $chapter)
+    protected function handleCourseUser(CourseModel $course, UserModel $user)
     {
-        if ($this->user->id == 0) return;
+        if ($user->id == 0) return;
 
-        if (!$this->courseUser) return;
+        if ($this->joinedCourse) return;
 
-        if ($this->ownedChapter && !$this->joinedChapter) {
+        if (!$this->ownedCourse) return;
 
-            $chapterUser = new ChapterUserModel();
+        $courseUser = new CourseUserModel();
 
-            $chapterUser->course_id = $this->course->id;
-            $chapterUser->chapter_id = $chapter->id;
-            $chapterUser->user_id = $this->user->id;
+        $courseUser->course_id = $course->id;
+        $courseUser->user_id = $user->id;
+        $courseUser->source_type = CourseUserModel::SOURCE_FREE;
+        $courseUser->role_type = CourseUserModel::ROLE_STUDENT;
+        $courseUser->expiry_time = strtotime('+3 years');
 
-            $chapterUser->create();
+        $courseUser->create();
 
-            $chapter->user_count += 1;
+        $course->user_count += 1;
 
-            $chapter->update();
-        }
+        $course->update();
     }
 
+    /**
+     * @param ChapterModel $chapter
+     * @param UserModel $user
+     */
+    protected function handleChapterUser(ChapterModel $chapter, UserModel $user)
+    {
+        if ($user->id == 0) return;
+
+        if ($this->joinedChapter) return;
+
+        if (!$this->ownedChapter) return;
+
+        $chapterUser = new ChapterUserModel();
+
+        $chapterUser->course_id = $chapter->course_id;
+        $chapterUser->chapter_id = $chapter->id;
+        $chapterUser->user_id = $user->id;
+
+        $chapterUser->create();
+
+        $chapter->user_count += 1;
+
+        $chapter->update();
+    }
+
+
 }
diff --git a/app/Services/Frontend/ChapterVote.php b/app/Services/Frontend/Chapter/ChapterVote.php
similarity index 92%
rename from app/Services/Frontend/ChapterVote.php
rename to app/Services/Frontend/Chapter/ChapterVote.php
index db81827e..f55f7f6b 100644
--- a/app/Services/Frontend/ChapterVote.php
+++ b/app/Services/Frontend/Chapter/ChapterVote.php
@@ -1,10 +1,12 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Chapter;
 
 use App\Models\ChapterVote as ChapterVoteModel;
 use App\Models\User as UserModel;
 use App\Repos\ChapterVote as ChapterVoteRepo;
+use App\Services\Frontend\ChapterTrait;
+use App\Services\Frontend\Service;
 use App\Validators\UserDailyLimit as UserDailyLimitValidator;
 
 class ChapterVote extends Service
@@ -20,7 +22,7 @@ class ChapterVote extends Service
 
         $validator = new UserDailyLimitValidator();
 
-        $validator->checkChapterVoteLimit($user->id);
+        $validator->checkChapterVoteLimit($user);
 
         $chapterVoteRepo = new ChapterVoteRepo();
 
@@ -76,6 +78,10 @@ class ChapterVote extends Service
 
         $user = $this->getLoginUser();
 
+        $validator = new UserDailyLimitValidator();
+
+        $validator->checkChapterVoteLimit($user);
+
         $chapterVoteRepo = new ChapterVoteRepo();
 
         $chapterVote = $chapterVoteRepo->findChapterVote($chapter->id, $user->id);
diff --git a/app/Services/Frontend/ChapterCommentList.php b/app/Services/Frontend/Chapter/CommentList.php
similarity index 95%
rename from app/Services/Frontend/ChapterCommentList.php
rename to app/Services/Frontend/Chapter/CommentList.php
index 7e93b923..2d5d483d 100644
--- a/app/Services/Frontend/ChapterCommentList.php
+++ b/app/Services/Frontend/Chapter/CommentList.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Chapter;
 
 use App\Builders\CommentList as CommentListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
@@ -9,8 +9,10 @@ use App\Models\CommentVote as CommentVoteModel;
 use App\Models\User as UserModel;
 use App\Repos\Chapter as ChapterRepo;
 use App\Repos\Comment as CommentRepo;
+use App\Services\Frontend\ChapterTrait;
+use App\Services\Frontend\Service;
 
-class ChapterCommentList extends Service
+class CommentList extends Service
 {
 
     /**
diff --git a/app/Services/Frontend/ChapterComment.php b/app/Services/Frontend/Comment/CommentCreate.php
similarity index 91%
rename from app/Services/Frontend/ChapterComment.php
rename to app/Services/Frontend/Comment/CommentCreate.php
index 4866e350..a98f4fcc 100644
--- a/app/Services/Frontend/ChapterComment.php
+++ b/app/Services/Frontend/Comment/CommentCreate.php
@@ -1,14 +1,16 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Chapter;
 
 use App\Models\Comment as CommentModel;
 use App\Models\User as UserModel;
 use App\Repos\Course as CourseRepo;
+use App\Services\Frontend\ChapterTrait;
+use App\Services\Frontend\Service;
 use App\Validators\Comment as CommentValidator;
 use App\Validators\UserDailyLimit as UserDailyLimitValidator;
 
-class ChapterComment extends Service
+class CommentCreate extends Service
 {
 
     use ChapterTrait;
diff --git a/app/Services/Frontend/Comment.php b/app/Services/Frontend/Comment/CommentDelete.php
similarity index 84%
rename from app/Services/Frontend/Comment.php
rename to app/Services/Frontend/Comment/CommentDelete.php
index dbc44de7..bed10f11 100644
--- a/app/Services/Frontend/Comment.php
+++ b/app/Services/Frontend/Comment/CommentDelete.php
@@ -1,12 +1,14 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Comment;
 
 use App\Repos\Chapter as ChapterRepo;
 use App\Repos\Course as CourseRepo;
+use App\Services\Frontend\CommentTrait;
+use App\Services\Frontend\Service;
 use App\Validators\Comment as CommentValidator;
 
-class Comment extends Service
+class CommentDelete extends Service
 {
 
     use CommentTrait;
diff --git a/app/Services/Frontend/CommentVote.php b/app/Services/Frontend/Comment/CommentVote.php
similarity index 96%
rename from app/Services/Frontend/CommentVote.php
rename to app/Services/Frontend/Comment/CommentVote.php
index 37ccf2ec..d33d5931 100644
--- a/app/Services/Frontend/CommentVote.php
+++ b/app/Services/Frontend/Comment/CommentVote.php
@@ -1,10 +1,12 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Comment;
 
 use App\Models\CommentVote as CommentVoteModel;
 use App\Models\User as UserModel;
 use App\Repos\CommentVote as CommentVoteRepo;
+use App\Services\Frontend\CommentTrait;
+use App\Services\Frontend\Service;
 use App\Validators\UserDailyLimit as UserDailyLimitValidator;
 
 class CommentVote extends Service
diff --git a/app/Services/Frontend/CourseConsult.php b/app/Services/Frontend/Consult/ConsultCreate.php
similarity index 88%
rename from app/Services/Frontend/CourseConsult.php
rename to app/Services/Frontend/Consult/ConsultCreate.php
index 2a4e50de..fb5f1ad1 100644
--- a/app/Services/Frontend/CourseConsult.php
+++ b/app/Services/Frontend/Consult/ConsultCreate.php
@@ -1,13 +1,15 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Models\Consult as ConsultModel;
 use App\Models\User as UserModel;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 use App\Validators\Consult as ConsultValidator;
 use App\Validators\UserDailyLimit as UserDailyLimitValidator;
 
-class CourseConsult extends Service
+class ConsultCreate extends Service
 {
 
     use CourseTrait;
diff --git a/app/Services/Frontend/ConsultVote.php b/app/Services/Frontend/Consult/ConsultVote.php
similarity index 96%
rename from app/Services/Frontend/ConsultVote.php
rename to app/Services/Frontend/Consult/ConsultVote.php
index 770e6ba4..dbeef13b 100644
--- a/app/Services/Frontend/ConsultVote.php
+++ b/app/Services/Frontend/Consult/ConsultVote.php
@@ -1,10 +1,12 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Consult;
 
 use App\Models\ConsultVote as ConsultVoteModel;
 use App\Models\User as UserModel;
 use App\Repos\ConsultVote as ConsultVoteRepo;
+use App\Services\Frontend\ConsultTrait;
+use App\Services\Frontend\Service;
 use App\Validators\UserDailyLimit as UserDailyLimitValidator;
 
 class ConsultVote extends Service
diff --git a/app/Services/Frontend/CourseChapterList.php b/app/Services/Frontend/Course/ChapterList.php
similarity index 91%
rename from app/Services/Frontend/CourseChapterList.php
rename to app/Services/Frontend/Course/ChapterList.php
index 172b7b24..b4103757 100644
--- a/app/Services/Frontend/CourseChapterList.php
+++ b/app/Services/Frontend/Course/ChapterList.php
@@ -1,14 +1,16 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Builders\ChapterTreeList as ChapterListBuilder;
 use App\Models\Course as CourseModel;
 use App\Models\User as UserModel;
 use App\Repos\Course as CourseRepo;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 use Phalcon\Mvc\Model\Resultset;
 
-class CourseChapterList extends Service
+class ChapterList extends Service
 {
 
     use CourseTrait;
@@ -33,9 +35,6 @@ class CourseChapterList extends Service
 
         $courseRepo = new CourseRepo();
 
-        /**
-         * @var Resultset $chapters
-         */
         $chapters = $courseRepo->findChapters($id);
 
         return $this->handleChapters($chapters);
@@ -86,9 +85,6 @@ class CourseChapterList extends Service
 
         $courseRepo = new CourseRepo();
 
-        /**
-         * @var Resultset $userLearnings
-         */
         $userLearnings = $courseRepo->findUserLearnings($course->id, $user->id);
 
         if ($userLearnings->count() == 0) {
diff --git a/app/Services/Frontend/CourseConsultList.php b/app/Services/Frontend/Course/ConsultList.php
similarity index 95%
rename from app/Services/Frontend/CourseConsultList.php
rename to app/Services/Frontend/Course/ConsultList.php
index 2835eae5..3230caa2 100644
--- a/app/Services/Frontend/CourseConsultList.php
+++ b/app/Services/Frontend/Course/ConsultList.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Builders\ConsultList as ConsultListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
@@ -9,9 +9,11 @@ use App\Models\Course as CourseModel;
 use App\Models\User as UserModel;
 use App\Repos\Consult as ConsultRepo;
 use App\Repos\Course as CourseRepo;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 use Phalcon\Mvc\Model\Resultset;
 
-class CourseConsultList extends Service
+class ConsultList extends Service
 {
 
     /**
diff --git a/app/Services/Frontend/CourseFavorite.php b/app/Services/Frontend/Course/CourseFavorite.php
similarity index 92%
rename from app/Services/Frontend/CourseFavorite.php
rename to app/Services/Frontend/Course/CourseFavorite.php
index e4390d76..bcdb38a0 100644
--- a/app/Services/Frontend/CourseFavorite.php
+++ b/app/Services/Frontend/Course/CourseFavorite.php
@@ -1,10 +1,12 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Models\CourseFavorite as FavoriteModel;
 use App\Models\User as UserModel;
 use App\Repos\CourseFavorite as CourseFavoriteRepo;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 use App\Validators\UserDailyLimit as UserDailyLimitValidator;
 
 class CourseFavorite extends Service
diff --git a/app/Services/Frontend/Course.php b/app/Services/Frontend/Course/CourseInfo.php
similarity index 94%
rename from app/Services/Frontend/Course.php
rename to app/Services/Frontend/Course/CourseInfo.php
index 669d14e3..5224bf52 100644
--- a/app/Services/Frontend/Course.php
+++ b/app/Services/Frontend/Course/CourseInfo.php
@@ -1,12 +1,14 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Models\Course as CourseModel;
 use App\Models\User as UserModel;
 use App\Repos\CourseFavorite as CourseFavoriteRepo;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 
-class Course extends Service
+class CourseInfo extends Service
 {
 
     use CourseTrait;
diff --git a/app/Services/Frontend/CourseList.php b/app/Services/Frontend/Course/CourseList.php
similarity index 100%
rename from app/Services/Frontend/CourseList.php
rename to app/Services/Frontend/Course/CourseList.php
diff --git a/app/Services/Frontend/CourseRelated.php b/app/Services/Frontend/Course/CourseRelated.php
similarity index 55%
rename from app/Services/Frontend/CourseRelated.php
rename to app/Services/Frontend/Course/CourseRelated.php
index 60bd1f9d..de19a7a3 100644
--- a/app/Services/Frontend/CourseRelated.php
+++ b/app/Services/Frontend/Course/CourseRelated.php
@@ -1,8 +1,10 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Caches\CourseRelatedList as CourseRelatedListCache;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 
 class CourseRelated extends Service
 {
@@ -13,21 +15,21 @@ class CourseRelated extends Service
     {
         $course = $this->checkCourse($id);
 
-        $crListCache = new CourseRelatedListCache();
+        $listCache = new CourseRelatedListCache();
 
-        $relatedCourses = $crListCache->get($course->id);
+        $courses = $listCache->get($course->id);
 
-        if (!$relatedCourses) {
+        if (!$courses) {
             return [];
         }
 
         $imgBaseUrl = kg_img_base_url();
 
-        foreach ($relatedCourses as &$course) {
+        foreach ($courses as &$course) {
             $course['cover'] = $imgBaseUrl . $course['cover'];
         }
 
-        return $relatedCourses;
+        return $courses;
     }
 
 }
diff --git a/app/Services/Frontend/CoursePackageList.php b/app/Services/Frontend/Course/PackageList.php
similarity index 88%
rename from app/Services/Frontend/CoursePackageList.php
rename to app/Services/Frontend/Course/PackageList.php
index f0767d9b..9c3cd28e 100644
--- a/app/Services/Frontend/CoursePackageList.php
+++ b/app/Services/Frontend/Course/PackageList.php
@@ -1,13 +1,14 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
-use App\Models\Course as CourseModel;
 use App\Repos\Course as CourseRepo;
 use App\Repos\Package as PackageRepo;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 use Phalcon\Mvc\Model\Resultset;
 
-class CoursePackageList extends Service
+class PackageList extends Service
 {
 
     use CourseTrait;
@@ -18,9 +19,6 @@ class CoursePackageList extends Service
 
         $courseRepo = new CourseRepo();
 
-        /**
-         * @var Resultset $packages
-         */
         $packages = $courseRepo->findPackages($course->id);
 
         return $this->handlePackages($packages);
@@ -58,9 +56,6 @@ class CoursePackageList extends Service
     {
         $packageRepo = new PackageRepo();
 
-        /**
-         * @var CourseModel[] $courses
-         */
         $courses = $packageRepo->findCourses($packageId);
 
         $result = [];
diff --git a/app/Services/Frontend/CourseReviewList.php b/app/Services/Frontend/Course/ReviewList.php
similarity index 94%
rename from app/Services/Frontend/CourseReviewList.php
rename to app/Services/Frontend/Course/ReviewList.php
index a5f1ab31..cb8ba96d 100644
--- a/app/Services/Frontend/CourseReviewList.php
+++ b/app/Services/Frontend/Course/ReviewList.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Builders\ReviewList as ReviewListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
@@ -9,9 +9,10 @@ use App\Models\ReviewVote as ReviewVoteModel;
 use App\Models\User as UserModel;
 use App\Repos\Course as CourseRepo;
 use App\Repos\Review as ReviewRepo;
-use Phalcon\Mvc\Model\Resultset;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 
-class CourseReviewList extends Service
+class ReviewList extends Service
 {
 
     /**
@@ -101,9 +102,6 @@ class CourseReviewList extends Service
 
         $courseRepo = new CourseRepo();
 
-        /**
-         * @var Resultset $votes
-         */
         $votes = $courseRepo->findUserReviewVotes($courseId, $userId);
 
         if ($votes->count() == 0) {
diff --git a/app/Services/Frontend/CourseTeacherList.php b/app/Services/Frontend/Course/TeacherList.php
similarity index 62%
rename from app/Services/Frontend/CourseTeacherList.php
rename to app/Services/Frontend/Course/TeacherList.php
index 1eecb7fe..0426b15e 100644
--- a/app/Services/Frontend/CourseTeacherList.php
+++ b/app/Services/Frontend/Course/TeacherList.php
@@ -1,10 +1,12 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Caches\CourseTeacherList as CourseTeacherListCache;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 
-class CourseTeacherList extends Service
+class TeacherList extends Service
 {
 
     use CourseTrait;
@@ -13,9 +15,9 @@ class CourseTeacherList extends Service
     {
         $course = $this->checkCourse($id);
 
-        $ctListCache = new CourseTeacherListCache();
+        $listCache = new CourseTeacherListCache();
 
-        $teachers = $ctListCache->get($course->id);
+        $teachers = $listCache->get($course->id);
 
         if (!$teachers) return [];
 
diff --git a/app/Services/Frontend/CourseUser.php b/app/Services/Frontend/CourseUser.php
deleted file mode 100644
index e5a23c14..00000000
--- a/app/Services/Frontend/CourseUser.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-
-namespace App\Services\Frontend;
-
-use App\Models\CourseUser as CourseUserModel;
-use App\Validators\CourseUser as CourseUserValidator;
-
-class CourseUser extends Service
-{
-
-    use CourseTrait;
-
-    public function createUser($id)
-    {
-        $course = $this->checkCourse($id);
-
-        $user = $this->getLoginUser();
-
-        $validator = new CourseUserValidator();
-
-        $validator->checkIfAllowApply($course, $user);
-
-        $validator->checkIfJoined($course->id, $user->id);
-
-        $courseUser = new CourseUserModel();
-
-        $courseUser->course_id = $course->id;
-        $courseUser->user_id = $user->id;
-        $courseUser->source_type = CourseUserModel::SOURCE_FREE;
-        $courseUser->role_type = CourseUserModel::ROLE_STUDENT;
-        $courseUser->expiry_time = strtotime('+3 years');
-
-        $courseUser->create();
-
-        $course->user_count += 1;
-
-        $course->update();
-    }
-
-}
diff --git a/app/Services/Frontend/MyConsultList.php b/app/Services/Frontend/My/ConsultList.php
similarity index 91%
rename from app/Services/Frontend/MyConsultList.php
rename to app/Services/Frontend/My/ConsultList.php
index cd7180ac..307d4ba4 100644
--- a/app/Services/Frontend/MyConsultList.php
+++ b/app/Services/Frontend/My/ConsultList.php
@@ -1,12 +1,14 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\My;
 
 use App\Builders\ConsultList as ConsultListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Repos\Consult as ConsultRepo;
+use App\Services\Frontend\Service;
+use App\Services\Frontend\UserTrait;
 
-class MyConsultList extends Service
+class ConsultList extends Service
 {
 
     use UserTrait;
diff --git a/app/Services/Frontend/MyCourseList.php b/app/Services/Frontend/My/CourseList.php
similarity index 91%
rename from app/Services/Frontend/MyCourseList.php
rename to app/Services/Frontend/My/CourseList.php
index 065ba08c..f3884ea3 100644
--- a/app/Services/Frontend/MyCourseList.php
+++ b/app/Services/Frontend/My/CourseList.php
@@ -1,13 +1,15 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\My;
 
 use App\Builders\CourseUserList as CourseUserListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Models\CourseUser as CourseUserModel;
 use App\Repos\CourseUser as CourseUserRepo;
+use App\Services\Frontend\Service;
+use App\Services\Frontend\UserTrait;
 
-class MyCourseList extends Service
+class CourseList extends Service
 {
 
     use UserTrait;
diff --git a/app/Services/Frontend/MyFavoriteList.php b/app/Services/Frontend/My/FavoriteList.php
similarity index 89%
rename from app/Services/Frontend/MyFavoriteList.php
rename to app/Services/Frontend/My/FavoriteList.php
index 4746221e..3773cf61 100644
--- a/app/Services/Frontend/MyFavoriteList.php
+++ b/app/Services/Frontend/My/FavoriteList.php
@@ -1,12 +1,14 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\My;
 
 use App\Builders\CourseFavoriteList as CourseFavoriteListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Repos\CourseFavorite as CourseFavoriteRepo;
+use App\Services\Frontend\Service;
+use App\Services\Frontend\UserTrait;
 
-class MyFavoriteList extends Service
+class FavoriteList extends Service
 {
 
     use UserTrait;
diff --git a/app/Services/Frontend/MyOrderList.php b/app/Services/Frontend/My/OrderList.php
similarity index 91%
rename from app/Services/Frontend/MyOrderList.php
rename to app/Services/Frontend/My/OrderList.php
index 154d4fdc..60b9ce79 100644
--- a/app/Services/Frontend/MyOrderList.php
+++ b/app/Services/Frontend/My/OrderList.php
@@ -1,12 +1,14 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\My;
 
 use App\Builders\OrderList as OrderListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Repos\Order as OrderRepo;
+use App\Services\Frontend\Service;
+use App\Services\Frontend\UserTrait;
 
-class MyOrderList extends Service
+class OrderList extends Service
 {
 
     use UserTrait;
diff --git a/app/Services/Frontend/MyRefundList.php b/app/Services/Frontend/My/RefundList.php
similarity index 91%
rename from app/Services/Frontend/MyRefundList.php
rename to app/Services/Frontend/My/RefundList.php
index 90bddcfe..aac59951 100644
--- a/app/Services/Frontend/MyRefundList.php
+++ b/app/Services/Frontend/My/RefundList.php
@@ -1,12 +1,14 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\My;
 
 use App\Builders\RefundList as RefundListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Repos\Refund as RefundRepo;
+use App\Services\Frontend\Service;
+use App\Services\Frontend\UserTrait;
 
-class MyRefundList extends Service
+class RefundList extends Service
 {
 
     use UserTrait;
diff --git a/app/Services/Frontend/OrderCancel.php b/app/Services/Frontend/Order/OrderCancel.php
similarity index 100%
rename from app/Services/Frontend/OrderCancel.php
rename to app/Services/Frontend/Order/OrderCancel.php
diff --git a/app/Services/Frontend/OrderConfirm.php b/app/Services/Frontend/Order/OrderConfirm.php
similarity index 100%
rename from app/Services/Frontend/OrderConfirm.php
rename to app/Services/Frontend/Order/OrderConfirm.php
diff --git a/app/Services/Frontend/OrderCreate.php b/app/Services/Frontend/Order/OrderCreate.php
similarity index 98%
rename from app/Services/Frontend/OrderCreate.php
rename to app/Services/Frontend/Order/OrderCreate.php
index 5c8ecaae..5cb497e5 100644
--- a/app/Services/Frontend/OrderCreate.php
+++ b/app/Services/Frontend/Order/OrderCreate.php
@@ -34,7 +34,7 @@ class OrderCreate extends Service
 
         $orderRepo = new OrderRepo();
 
-        $order = $orderRepo->findLastUserItem($user->id, $post['item_id'], $post['item_type']);
+        $order = $orderRepo->findLastUserOrder($user->id, $post['item_id'], $post['item_type']);
 
         /**
          * 存在新鲜的未支付订单直接返回（减少订单记录）
diff --git a/app/Services/Frontend/OrderInfo.php b/app/Services/Frontend/Order/OrderInfo.php
similarity index 100%
rename from app/Services/Frontend/OrderInfo.php
rename to app/Services/Frontend/Order/OrderInfo.php
diff --git a/app/Services/Frontend/OrderTrade.php b/app/Services/Frontend/Order/OrderTrade.php
similarity index 100%
rename from app/Services/Frontend/OrderTrade.php
rename to app/Services/Frontend/Order/OrderTrade.php
diff --git a/app/Services/Frontend/CourseReview.php b/app/Services/Frontend/Review/ReviewCreate.php
similarity index 89%
rename from app/Services/Frontend/CourseReview.php
rename to app/Services/Frontend/Review/ReviewCreate.php
index fad9bfda..c1e23b4d 100644
--- a/app/Services/Frontend/CourseReview.php
+++ b/app/Services/Frontend/Review/ReviewCreate.php
@@ -1,13 +1,15 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\Course;
 
 use App\Models\Review as ReviewModel;
 use App\Models\User as UserModel;
+use App\Services\Frontend\CourseTrait;
+use App\Services\Frontend\Service;
 use App\Validators\Review as ReviewValidator;
 use App\Validators\UserDailyLimit as UserDailyLimitValidator;
 
-class CourseReview extends Service
+class ReviewCreate extends Service
 {
 
     use CourseTrait;
diff --git a/app/Services/Frontend/ReviewVote.php b/app/Services/Frontend/Review/ReviewVote.php
similarity index 100%
rename from app/Services/Frontend/ReviewVote.php
rename to app/Services/Frontend/Review/ReviewVote.php
diff --git a/app/Services/Frontend/TeacherCourseList.php b/app/Services/Frontend/Teacher/TeacherCourseList.php
similarity index 100%
rename from app/Services/Frontend/TeacherCourseList.php
rename to app/Services/Frontend/Teacher/TeacherCourseList.php
diff --git a/app/Services/Frontend/UserCourseList.php b/app/Services/Frontend/User/CourseList.php
similarity index 91%
rename from app/Services/Frontend/UserCourseList.php
rename to app/Services/Frontend/User/CourseList.php
index bada3c15..1db6f957 100644
--- a/app/Services/Frontend/UserCourseList.php
+++ b/app/Services/Frontend/User/CourseList.php
@@ -1,13 +1,15 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\User;
 
 use App\Builders\CourseUserList as CourseUserListBuilder;
 use App\Library\Paginator\Query as PagerQuery;
 use App\Models\CourseUser as CourseUserModel;
 use App\Repos\CourseUser as CourseUserRepo;
+use App\Services\Frontend\Service;
+use App\Services\Frontend\UserTrait;
 
-class UserCourseList extends Service
+class CourseList extends Service
 {
 
     use UserTrait;
diff --git a/app/Services/Frontend/User.php b/app/Services/Frontend/User/UserInfo.php
similarity index 89%
rename from app/Services/Frontend/User.php
rename to app/Services/Frontend/User/UserInfo.php
index 5640e76d..d472b2ec 100644
--- a/app/Services/Frontend/User.php
+++ b/app/Services/Frontend/User/UserInfo.php
@@ -1,10 +1,12 @@
 <?php
 
-namespace App\Services\Frontend;
+namespace App\Services\Frontend\User;
 
 use App\Models\User as UserModel;
+use App\Services\Frontend\Service;
+use App\Services\Frontend\UserTrait;
 
-class User extends Service
+class UserInfo extends Service
 {
 
     use UserTrait;
diff --git a/app/Validators/CourseUser.php b/app/Validators/CourseUser.php
index 18aa0483..7fba9247 100644
--- a/app/Validators/CourseUser.php
+++ b/app/Validators/CourseUser.php
@@ -4,8 +4,6 @@ namespace App\Validators;
 
 use App\Exceptions\BadRequest as BadRequestException;
 use App\Library\Validator\Common as CommonValidator;
-use App\Models\Course as CourseModel;
-use App\Models\User as UserModel;
 use App\Repos\Course as CourseRepo;
 use App\Repos\CourseUser as CourseUserRepo;
 use App\Repos\User as UserRepo;
@@ -67,16 +65,6 @@ class CourseUser extends Validator
         return strtotime($value);
     }
 
-    public function checkIfAllowApply(CourseModel $course, UserModel $user)
-    {
-        $caseA = $course->market_price > 0;
-        $caseB = $user->vip == 0 && $course->vip_price > 0;
-
-        if ($caseA || $caseB) {
-            throw new BadRequestException('course_user.apply_not_allowed');
-        }
-    }
-
     public function checkIfJoined($courseId, $userId)
     {
         $repo = new CourseUserRepo();
diff --git a/app/Validators/Order.php b/app/Validators/Order.php
index d2d913c1..0ad46aa5 100644
--- a/app/Validators/Order.php
+++ b/app/Validators/Order.php
@@ -84,6 +84,7 @@ class Order extends Validator
         if (!$item) {
             throw new BadRequestException('order.item_not_found');
         }
+
         return $item;
     }
 
@@ -101,7 +102,7 @@ class Order extends Validator
     public function checkIfAllowCancel($order)
     {
         if ($order->status != OrderModel::STATUS_PENDING) {
-            throw new BadRequestException('order.invalid_status_action');
+            throw new BadRequestException('order.cancel_not_allowed');
         }
     }
 
diff --git a/app/Validators/Refund.php b/app/Validators/Refund.php
index f7bd8915..87bdee7a 100644
--- a/app/Validators/Refund.php
+++ b/app/Validators/Refund.php
@@ -22,13 +22,6 @@ class Refund extends Validator
         return $trade;
     }
 
-    public function checkReviewAction($refund)
-    {
-        if ($refund->status != RefundModel::STATUS_PENDING) {
-            throw new BadRequestException('refund.invalid_review_action');
-        }
-    }
-
     public function checkReviewStatus($status)
     {
         $list = [RefundModel::STATUS_APPROVED, RefundModel::STATUS_REFUSED];
@@ -74,4 +67,11 @@ class Refund extends Validator
         return $value;
     }
 
+    public function checkIfAllowReview($refund)
+    {
+        if ($refund->status != RefundModel::STATUS_PENDING) {
+            throw new BadRequestException('refund.review_not_allowed');
+        }
+    }
+
 }
diff --git a/config/errors.php b/config/errors.php
index f20a89c8..3a711668 100644
--- a/config/errors.php
+++ b/config/errors.php
@@ -259,7 +259,7 @@ $error['refund.apply_note_too_short'] = '退款原因太短（少于2个字符
 $error['refund.apply_note_too_long'] = '退款原因太长（多于255个字符）';
 $error['refund.review_note_too_short'] = '审核备注太短（少于2个字符）';
 $error['refund.review_note_too_long'] = '审核备注太长（多于255个字符）';
-$error['refund.invalid_review_action'] = '无效的审核操作';
+$error['refund.review_not_allowed'] = '当前不允许审核退款';
 $error['refund.invalid_review_status'] = '无效的审核状态';
 
 /**
diff --git a/scheduler.php b/scheduler.php
index d350b86e..f08d5dcf 100644
--- a/scheduler.php
+++ b/scheduler.php
@@ -13,7 +13,7 @@ $bin = '/usr/bin/php';
 $scheduler->php($script, $bin, ['--task' => 'learning', '--action' => 'main'])
     ->at('*/3 * * * *');
 
-$scheduler->php($script, $bin, ['--task' => 'process_order', '--action' => 'main'])
+$scheduler->php($script, $bin, ['--task' => 'order', '--action' => 'main'])
     ->at('*/5 * * * *');
 
 $scheduler->php($script, $bin, ['--task' => 'vod_event', '--action' => 'main'])