diff --git a/app/Builders/ChapterTreeList.php b/app/Builders/ChapterTreeList.php
index 1b6a48ab..34da6b6a 100644
--- a/app/Builders/ChapterTreeList.php
+++ b/app/Builders/ChapterTreeList.php
@@ -28,7 +28,7 @@ class ChapterTreeList extends Builder
             $list[] = [
                 'id' => $chapter->id,
                 'title' => $chapter->title,
-                'priority' => $chapter->priority,
+                'model' => $chapter->model,
                 'children' => $this->handleChildren($chapter),
             ];
         }
@@ -64,6 +64,7 @@ class ChapterTreeList extends Builder
             $list[] = [
                 'id' => $lesson->id,
                 'title' => $lesson->title,
+                'model' => $lesson->model,
                 'free' => $lesson->free,
                 'attrs' => $attrs,
             ];
diff --git a/app/Caches/ImChatGroup.php b/app/Caches/ImGroup.php
similarity index 100%
rename from app/Caches/ImChatGroup.php
rename to app/Caches/ImGroup.php
diff --git a/app/Http/Web/Controllers/CourseController.php b/app/Http/Web/Controllers/CourseController.php
index f6bd897c..cdbc4066 100644
--- a/app/Http/Web/Controllers/CourseController.php
+++ b/app/Http/Web/Controllers/CourseController.php
@@ -5,6 +5,7 @@ namespace App\Http\Web\Controllers;
 use App\Http\Web\Services\CourseQuery as CourseQueryService;
 use App\Services\Frontend\Course\ChapterList as CourseChapterListService;
 use App\Services\Frontend\Course\ConsultList as CourseConsultListService;
+use App\Services\Frontend\Course\CourseBasic as CourseBasicService;
 use App\Services\Frontend\Course\CourseInfo as CourseInfoService;
 use App\Services\Frontend\Course\CourseList as CourseListService;
 use App\Services\Frontend\Course\Favorite as CourseFavoriteService;
@@ -58,7 +59,7 @@ class CourseController extends Controller
         $pager->target = 'course-list';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('course/list_pager');
+        $this->view->pick('course/ajax_pager');
         $this->view->setVar('pager', $pager);
     }
 
@@ -75,26 +76,44 @@ class CourseController extends Controller
 
         $course['category_paths'] = $service->handleCategoryPaths($course['category_id']);
 
-        $service = new CourseChapterListService();
-
-        $chapters = $service->handle($id);
-
-        $service = new CourseTeacherListService();
-
-        $teachers = $service->handle($id);
-
         $service = new RewardOptionList();
 
-        $rewardOptions = $service->handle();
+        $rewards = $service->handle();
 
         $this->siteSeo->prependTitle($course['title']);
         $this->siteSeo->setKeywords($course['keywords']);
         $this->siteSeo->setDescription($course['summary']);
 
         $this->view->setVar('course', $course);
-        $this->view->setVar('chapters', $chapters);
+        $this->view->setVar('rewards', $rewards);
+    }
+
+    /**
+     * @Get("/{id:[0-9]+}/teachers", name="web.course.teachers")
+     */
+    public function teachersAction($id)
+    {
+        $service = new CourseTeacherListService();
+
+        $teachers = $service->handle($id);
+
+        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        $this->view->pick('course/ajax_teachers');
         $this->view->setVar('teachers', $teachers);
-        $this->view->setVar('reward_options', $rewardOptions);
+    }
+
+    /**
+     * @Get("/{id:[0-9]+}/chapters", name="web.course.chapters")
+     */
+    public function chaptersAction($id)
+    {
+        $service = new CourseChapterListService();
+
+        $chapters = $service->handle($id);
+
+        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        $this->view->pick('course/ajax_chapters');
+        $this->view->setVar('chapters', $chapters);
     }
 
     /**
@@ -107,7 +126,7 @@ class CourseController extends Controller
         $packages = $service->handle($id);
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('course/show_packages');
+        $this->view->pick('course/ajax_packages');
         $this->view->setVar('packages', $packages);
     }
 
@@ -123,7 +142,7 @@ class CourseController extends Controller
         $pager->target = 'tab-consults';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('course/show_consults');
+        $this->view->pick('course/ajax_consults');
         $this->view->setVar('pager', $pager);
     }
 
@@ -139,7 +158,7 @@ class CourseController extends Controller
         $pager->target = 'tab-reviews';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('course/show_reviews');
+        $this->view->pick('course/ajax_reviews');
         $this->view->setVar('pager', $pager);
     }
 
@@ -153,7 +172,7 @@ class CourseController extends Controller
         $courses = $service->handle($id);
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('course/show_recommended');
+        $this->view->pick('course/ajax_recommended');
         $this->view->setVar('courses', $courses);
     }
 
@@ -167,7 +186,7 @@ class CourseController extends Controller
         $courses = $service->handle($id);
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('course/show_related');
+        $this->view->pick('course/ajax_related');
         $this->view->setVar('courses', $courses);
     }
 
@@ -181,7 +200,7 @@ class CourseController extends Controller
         $topics = $service->handle($id);
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('course/show_topics');
+        $this->view->pick('course/ajax_topics');
         $this->view->setVar('topics', $topics);
     }
 
@@ -190,7 +209,7 @@ class CourseController extends Controller
      */
     public function ratingAction($id)
     {
-        $service = new CourseInfoService();
+        $service = new CourseBasicService();
 
         $course = $service->handle($id);
 
diff --git a/app/Http/Web/Controllers/ImController.php b/app/Http/Web/Controllers/ImController.php
index b5d0db46..c48ea999 100644
--- a/app/Http/Web/Controllers/ImController.php
+++ b/app/Http/Web/Controllers/ImController.php
@@ -38,6 +38,33 @@ class ImController extends LayerController
         return $this->jsonSuccess(['data' => ['list' => $list]]);
     }
 
+    /**
+     * @Get("/msgbox", name="web.im.msgbox")
+     */
+    public function msgboxAction()
+    {
+        $service = new ImService();
+
+        $pager = $service->getSystemMessages();
+
+        $this->view->pick('im/msgbox');
+        $this->view->setVar('pager', $pager);
+    }
+
+    /**
+     * @Get("/chatlog", name="web.im.chatlog")
+     */
+    public function chatlogAction()
+    {
+        $service = new ImService();
+
+        $pager = $service->getChatMessages();
+
+        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        $this->view->pick('im/chatlog');
+        $this->view->setVar('pager', $pager);
+    }
+
     /**
      * @Get("/msg/friend/unread", name="web.im.unread_friend_msg")
      */
@@ -62,19 +89,6 @@ class ImController extends LayerController
         return $this->jsonSuccess(['count' => $count]);
     }
 
-    /**
-     * @Get("/msg/box", name="web.im.msg_box")
-     */
-    public function messageBoxAction()
-    {
-        $service = new ImService();
-
-        $pager = $service->getSystemMessages();
-
-        $this->view->pick('im/msg_box');
-        $this->view->setVar('pager', $pager);
-    }
-
     /**
      * @Get("/msg/sys", name="web.im.sys_msg")
      */
@@ -114,20 +128,6 @@ class ImController extends LayerController
         return $this->jsonSuccess(['status' => $status]);
     }
 
-    /**
-     * @Get("/chat/log", name="web.im.chat_log")
-     */
-    public function chatLogAction()
-    {
-        $service = new ImService();
-
-        $pager = $service->getChatMessages();
-
-        $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('im/chat_log');
-        $this->view->setVar('pager', $pager);
-    }
-
     /**
      * @Get("/chat/history", name="web.im.chat_history")
      */
diff --git a/app/Http/Web/Controllers/TeacherController.php b/app/Http/Web/Controllers/TeacherController.php
index bb008d6e..153cc44f 100644
--- a/app/Http/Web/Controllers/TeacherController.php
+++ b/app/Http/Web/Controllers/TeacherController.php
@@ -31,7 +31,7 @@ class TeacherController extends Controller
         $pager->target = 'teacher-list';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
-        $this->view->pick('teacher/list_pager');
+        $this->view->pick('teacher/ajax_pager');
         $this->view->setVar('pager', $pager);
     }
 
diff --git a/app/Http/Web/Controllers/TopicController.php b/app/Http/Web/Controllers/TopicController.php
index 5555ec71..413488e9 100644
--- a/app/Http/Web/Controllers/TopicController.php
+++ b/app/Http/Web/Controllers/TopicController.php
@@ -29,15 +29,14 @@ class TopicController extends Controller
      */
     public function coursesAction($id)
     {
-        $target = $this->request->get('target', 'trim', 'course-list');
-
         $service = new TopicCourseListService();
 
         $pager = $service->handle($id);
         $pager->items = kg_array_object($pager->items);
-        $pager->target = $target;
+        $pager->target = 'course-list';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        $this->view->pick('topic/ajax_courses');
         $this->view->setVar('pager', $pager);
     }
 
diff --git a/app/Http/Web/Controllers/UserController.php b/app/Http/Web/Controllers/UserController.php
index b7ed5300..c1eb0ac4 100644
--- a/app/Http/Web/Controllers/UserController.php
+++ b/app/Http/Web/Controllers/UserController.php
@@ -38,6 +38,7 @@ class UserController extends Controller
         $pager->target = 'tab-courses';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        $this->view->pick('user/ajax_courses');
         $this->view->setVar('pager', $pager);
     }
 
@@ -53,6 +54,7 @@ class UserController extends Controller
         $pager->target = 'tab-favorites';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        $this->view->pick('user/ajax_favorites');
         $this->view->setVar('pager', $pager);
     }
 
@@ -68,6 +70,7 @@ class UserController extends Controller
         $pager->target = 'tab-friends';
 
         $this->view->setRenderLevel(View::LEVEL_ACTION_VIEW);
+        $this->view->pick('user/ajax_friends');
         $this->view->setVar('pager', $pager);
     }
 
diff --git a/app/Http/Web/Services/Im.php b/app/Http/Web/Services/Im.php
index fb76c40a..0ef21dae 100644
--- a/app/Http/Web/Services/Im.php
+++ b/app/Http/Web/Services/Im.php
@@ -135,7 +135,7 @@ class Im extends Service
 
         $groupRepo = new ImGroupRepo();
 
-        $users = $groupRepo->findGroupUsers($group->id);
+        $users = $groupRepo->findUsers($group->id);
 
         if ($users->count() == 0) {
             return [];
@@ -170,7 +170,7 @@ class Im extends Service
 
         $userRepo = new ImUserRepo();
 
-        $messages = $userRepo->findUnreadImFriendMessages($friend->id, $user->id);
+        $messages = $userRepo->findUnreadFriendMessages($friend->id, $user->id);
 
         if ($messages->count() == 0) {
             return;
@@ -212,7 +212,7 @@ class Im extends Service
 
         $userRepo = new ImUserRepo();
 
-        return $userRepo->countUnreadImSystemMessages($user->id);
+        return $userRepo->countUnreadSystemMessages($user->id);
     }
 
     public function getSystemMessages()
@@ -306,7 +306,7 @@ class Im extends Service
 
         $userRepo = new ImUserRepo();
 
-        $chatGroups = $userRepo->findImGroups($user->id);
+        $chatGroups = $userRepo->findGroups($user->id);
 
         if ($chatGroups->count() > 0) {
             foreach ($chatGroups as $group) {
@@ -385,7 +385,7 @@ class Im extends Service
 
             $validator = new ImGroupUserValidator();
 
-            $relation = $validator->checkGroupUser($user->id, $to['id']);
+            $relation = $validator->checkGroupUser($to['id'], $user->id);
 
             /**
              * 被对方屏蔽，忽略消息
@@ -423,7 +423,7 @@ class Im extends Service
 
         $userRepo = new ImUserRepo();
 
-        $messages = $userRepo->findUnreadImSystemMessages($user->id);
+        $messages = $userRepo->findUnreadSystemMessages($user->id);
 
         if ($messages->count() > 0) {
             foreach ($messages as $message) {
@@ -506,7 +506,7 @@ class Im extends Service
 
         $userRepo = new ImUserRepo();
 
-        $friendUsers = $userRepo->findImFriendUsers($user->id);
+        $friendUsers = $userRepo->findFriendUsers($user->id);
 
         if ($friendUsers->count() == 0) {
             return;
@@ -534,8 +534,8 @@ class Im extends Service
     {
         $userRepo = new ImUserRepo();
 
-        $friendGroups = $userRepo->findImFriendGroups($user->id);
-        $friendUsers = $userRepo->findImFriendUsers($user->id);
+        $friendGroups = $userRepo->findFriendGroups($user->id);
+        $friendUsers = $userRepo->findFriendUsers($user->id);
 
         $items = [];
 
@@ -600,7 +600,7 @@ class Im extends Service
     {
         $userRepo = new ImUserRepo();
 
-        $groups = $userRepo->findImGroups($user->id);
+        $groups = $userRepo->findGroups($user->id);
 
         if ($groups->count() == 0) {
             return [];
diff --git a/app/Http/Web/Services/ImFriendTrait.php b/app/Http/Web/Services/ImFriendTrait.php
index 3ceb4bc9..5edce6c7 100644
--- a/app/Http/Web/Services/ImFriendTrait.php
+++ b/app/Http/Web/Services/ImFriendTrait.php
@@ -127,7 +127,7 @@ Trait ImFriendTrait
 
         $itemType = ImSystemMessageModel::TYPE_FRIEND_REQUEST;
 
-        $message = $userRepo->findImSystemMessage($receiver->id, $itemType);
+        $message = $userRepo->findSystemMessage($receiver->id, $itemType);
 
         if ($message) {
             $expired = time() - $message->create_time > 7 * 86400;
diff --git a/app/Http/Web/Services/ImGroupTrait.php b/app/Http/Web/Services/ImGroupTrait.php
index 00600206..a55a3b4d 100644
--- a/app/Http/Web/Services/ImGroupTrait.php
+++ b/app/Http/Web/Services/ImGroupTrait.php
@@ -30,8 +30,8 @@ Trait ImGroupTrait
         $group = $validator->checkGroup($post['group_id']);
         $remark = $validator->checkRemark($post['remark']);
 
-        $validator->checkIfJoined($user->id, $group->id);
-        $validator->checkIfBlocked($user->id, $group->id);
+        $validator->checkIfJoined($group->id, $user->id);
+        $validator->checkIfBlocked($group->id, $user->id);
 
         $this->handleApplyGroupNotice($user, $group, $remark);
     }
@@ -64,7 +64,7 @@ Trait ImGroupTrait
 
         $groupUserRepo = new ImGroupUserRepo();
 
-        $groupUser = $groupUserRepo->findGroupUser($applicant->id, $group->id);
+        $groupUser = $groupUserRepo->findGroupUser($group->id, $applicant->id);
 
         if (!$groupUser) {
             $groupUserModel = new ImGroupUserModel();
@@ -130,7 +130,7 @@ Trait ImGroupTrait
 
         $itemType = ImSystemMessageModel::TYPE_GROUP_REQUEST;
 
-        $message = $userRepo->findImSystemMessage($receiver->id, $itemType);
+        $message = $userRepo->findSystemMessage($receiver->id, $itemType);
 
         if ($message) {
             $expired = time() - $message->create_time > 7 * 86400;
@@ -236,7 +236,7 @@ Trait ImGroupTrait
     {
         $groupRepo = new ImGroupRepo();
 
-        $users = $groupRepo->findGroupUsers($group->id);
+        $users = $groupRepo->findUsers($group->id);
 
         if ($users->count() == 0) {
             return;
diff --git a/app/Http/Web/Views/chapter/live.volt b/app/Http/Web/Views/chapter/live.volt
index bebf89cf..a40ee419 100644
--- a/app/Http/Web/Views/chapter/live.volt
+++ b/app/Http/Web/Views/chapter/live.volt
@@ -72,6 +72,7 @@
 
     {{ js_include('web/js/chapter.live.player.js') }}
     {{ js_include('web/js/chapter.live.im.js') }}
+    {{ js_include('web/js/chapter.like.js') }}
     {{ js_include('web/js/course.share.js') }}
 
 {% endblock %}
\ No newline at end of file
diff --git a/app/Http/Web/Views/chapter/read.volt b/app/Http/Web/Views/chapter/read.volt
index 7f42e8a9..207882dd 100644
--- a/app/Http/Web/Views/chapter/read.volt
+++ b/app/Http/Web/Views/chapter/read.volt
@@ -48,6 +48,7 @@
 {% block include_js %}
 
     {{ js_include('web/js/chapter.read.js') }}
+    {{ js_include('web/js/chapter.like.js') }}
     {{ js_include('web/js/course.share.js') }}
 
 {% endblock %}
\ No newline at end of file
diff --git a/app/Http/Web/Views/chapter/vod.volt b/app/Http/Web/Views/chapter/vod.volt
index 3d5b9d07..c866f18b 100644
--- a/app/Http/Web/Views/chapter/vod.volt
+++ b/app/Http/Web/Views/chapter/vod.volt
@@ -114,6 +114,7 @@
     {{ js_include('lib/jquery.min.js') }}
     {{ js_include('lib/jquery.danmu.min.js') }}
     {{ js_include('web/js/course.share.js') }}
+    {{ js_include('web/js/chapter.like.js') }}
     {{ js_include('web/js/chapter.vod.player.js') }}
 
 {% endblock %}
\ No newline at end of file
diff --git a/app/Http/Web/Views/course/show_chapters.volt b/app/Http/Web/Views/course/ajax_chapters.volt
similarity index 94%
rename from app/Http/Web/Views/course/show_chapters.volt
rename to app/Http/Web/Views/course/ajax_chapters.volt
index 6b618202..6b517fe3 100644
--- a/app/Http/Web/Views/course/show_chapters.volt
+++ b/app/Http/Web/Views/course/ajax_chapters.volt
@@ -53,11 +53,11 @@
             <div class="layui-colla-content layui-show">
                 <ul class="lesson-list">
                     {% for lesson in chapter.children %}
-                        {% if course.model == 'vod' %}
+                        {% if lesson.model == 'vod' %}
                             <li class="lesson-item clearfix">{{ vod_lesson_info(lesson) }}</li>
-                        {% elseif course.model == 'live' %}
+                        {% elseif lesson.model == 'live' %}
                             <li class="lesson-item clearfix">{{ live_lesson_info(lesson) }}</li>
-                        {% elseif course.model == 'read' %}
+                        {% elseif lesson.model == 'read' %}
                             <li class="lesson-item clearfix">{{ read_lesson_info(lesson) }}</li>
                         {% endif %}
                     {% endfor %}
diff --git a/app/Http/Web/Views/course/show_consults.volt b/app/Http/Web/Views/course/ajax_consults.volt
similarity index 94%
rename from app/Http/Web/Views/course/show_consults.volt
rename to app/Http/Web/Views/course/ajax_consults.volt
index beaa2c1c..9dc50816 100644
--- a/app/Http/Web/Views/course/show_consults.volt
+++ b/app/Http/Web/Views/course/ajax_consults.volt
@@ -13,7 +13,7 @@
                     <div class="title">{{ item.question }}</div>
                     <div class="content">{{ item.answer }}</div>
                     <div class="footer">
-                        <span class="time">{{ date('Y-m-d H:i',item.create_time) }}</span>
+                        <span class="time">{{ time_ago('Y-m-d',item.create_time) }}</span>
                         <a href="javascript:" class="like" title="点赞" data-url="{{ like_url }}">
                             <i class="layui-icon layui-icon-praise icon-praise"></i>
                             <em class="like-count">{{ item.like_count }}</em>
diff --git a/app/Http/Web/Views/course/show_packages.volt b/app/Http/Web/Views/course/ajax_packages.volt
similarity index 100%
rename from app/Http/Web/Views/course/show_packages.volt
rename to app/Http/Web/Views/course/ajax_packages.volt
diff --git a/app/Http/Web/Views/course/list_pager.volt b/app/Http/Web/Views/course/ajax_pager.volt
similarity index 100%
rename from app/Http/Web/Views/course/list_pager.volt
rename to app/Http/Web/Views/course/ajax_pager.volt
diff --git a/app/Http/Web/Views/course/show_recommended.volt b/app/Http/Web/Views/course/ajax_recommended.volt
similarity index 100%
rename from app/Http/Web/Views/course/show_recommended.volt
rename to app/Http/Web/Views/course/ajax_recommended.volt
diff --git a/app/Http/Web/Views/course/show_related.volt b/app/Http/Web/Views/course/ajax_related.volt
similarity index 100%
rename from app/Http/Web/Views/course/show_related.volt
rename to app/Http/Web/Views/course/ajax_related.volt
diff --git a/app/Http/Web/Views/course/show_reviews.volt b/app/Http/Web/Views/course/ajax_reviews.volt
similarity index 92%
rename from app/Http/Web/Views/course/show_reviews.volt
rename to app/Http/Web/Views/course/ajax_reviews.volt
index 15be0c0c..4dd5f946 100644
--- a/app/Http/Web/Views/course/show_reviews.volt
+++ b/app/Http/Web/Views/course/ajax_reviews.volt
@@ -8,7 +8,7 @@
 {% if pager.total_pages > 0 %}
     <div class="review-list">
         {% for item in pager.items %}
-            {% set user_url = url({'for':'web.user.show','id':item.id}) %}
+            {% set user_url = url({'for':'web.user.show','id':item.user.id}) %}
             {% set like_url = url({'for':'web.review.like','id':item.id}) %}
             <div class="review-card clearfix">
                 <div class="avatar">
@@ -21,7 +21,7 @@
                     </div>
                     <div class="content">{{ item.content }}</div>
                     <div class="footer">
-                        <span class="time">{{ date('Y-m-d H:i',item.create_time) }}</span>
+                        <span class="time">{{ date('Y-m-d',item.create_time) }}</span>
                         <a href="javascript:" class="like" title="点赞" data-url="{{ like_url }}">
                             <i class="layui-icon layui-icon-praise icon-praise"></i>
                             <em class="like-count">{{ item.like_count }}</em>
diff --git a/app/Http/Web/Views/course/show_teachers.volt b/app/Http/Web/Views/course/ajax_teachers.volt
similarity index 100%
rename from app/Http/Web/Views/course/show_teachers.volt
rename to app/Http/Web/Views/course/ajax_teachers.volt
diff --git a/app/Http/Web/Views/course/show_topics.volt b/app/Http/Web/Views/course/ajax_topics.volt
similarity index 100%
rename from app/Http/Web/Views/course/show_topics.volt
rename to app/Http/Web/Views/course/ajax_topics.volt
diff --git a/app/Http/Web/Views/course/show.volt b/app/Http/Web/Views/course/show.volt
index 49507b0f..08a7cfa1 100644
--- a/app/Http/Web/Views/course/show.volt
+++ b/app/Http/Web/Views/course/show.volt
@@ -20,6 +20,7 @@
 
     <div class="layout-main clearfix">
 
+        {% set show_tab_chapters = course.lesson_count > 0 ? 1 : 0 %}
         {% set show_tab_packages = course.package_count > 0 ? 1 : 0 %}
         {% set show_tab_consults = course.consult_count > 0 ? 1 : 0 %}
         {% set show_tab_reviews = course.review_count > 0 ? 1 : 0 %}
@@ -29,24 +30,27 @@
                 <div class="layui-tab layui-tab-brief course-tab">
                     <ul class="layui-tab-title">
                         <li class="layui-this">详情</li>
-                        <li>目录</li>
+                        {% if show_tab_chapters == 1 %}
+                            <li>目录<span class="tab-count">{{ course.lesson_count }}</span></li>
+                        {% endif %}
                         {% if show_tab_packages == 1 %}
-                            <li>套餐<span class="tab-count package-count">{{ course.package_count }}</span></li>
+                            <li>套餐<span class="tab-count">{{ course.package_count }}</span></li>
                         {% endif %}
                         {% if show_tab_consults == 1 %}
-                            <li>咨询<span class="tab-count consult-count">{{ course.consult_count }}</span></li>
+                            <li>咨询<span class="tab-count">{{ course.consult_count }}</span></li>
                         {% endif %}
                         {% if show_tab_reviews == 1 %}
-                            <li>评价<span class="tab-count review-count">{{ course.review_count }}</span></li>
+                            <li>评价<span class="tab-count">{{ course.review_count }}</span></li>
                         {% endif %}
                     </ul>
                     <div class="layui-tab-content">
                         <div class="layui-tab-item layui-show">
                             <div class="course-details">{{ course.details }}</div>
                         </div>
-                        <div class="layui-tab-item">
-                            {{ partial('course/show_chapters') }}
-                        </div>
+                        {% if show_tab_chapters == 1 %}
+                            {% set chapters_url = url({'for':'web.course.chapters','id':course.id}) %}
+                            <div class="layui-tab-item" id="tab-chapters" data-url="{{ chapters_url }}"></div>
+                        {% endif %}
                         {% if show_tab_packages == 1 %}
                             {% set packages_url = url({'for':'web.course.packages','id':course.id}) %}
                             <div class="layui-tab-item" id="tab-packages" data-url="{{ packages_url }}"></div>
@@ -71,7 +75,10 @@
 
         <div class="layout-sidebar">
             {{ partial('course/show_order') }}
-            {{ partial('course/show_teachers') }}
+            {% if show_sidebar_teachers %}
+                {% set teachers_url = url({'for':'web.course.teachers','id':course.id}) %}
+                <div class="sidebar" id="sidebar-teachers" data-url="{{ teachers_url }}"></div>
+            {% endif %}
             {% if show_sidebar_topics %}
                 {% set topics_url = url({'for':'web.course.topics','id':course.id}) %}
                 <div class="sidebar" id="sidebar-topics" data-url="{{ topics_url }}"></div>
diff --git a/app/Http/Web/Views/course/show_meta.volt b/app/Http/Web/Views/course/show_meta.volt
index fa54d8f7..9c1baabf 100644
--- a/app/Http/Web/Views/course/show_meta.volt
+++ b/app/Http/Web/Views/course/show_meta.volt
@@ -45,7 +45,7 @@
     </div>
 
     <div class="share">
-        <a href="javascript:" title="收藏" data-url="{{ favorite_url }}"><i class="layui-icon layui-icon-heart icon-heart"></i></a>
+        <a href="javascript:" title="收藏" data-url="{{ favorite_url }}"><i class="layui-icon layui-icon-star icon-star"></i></a>
         <a href="javascript:" title="分享到微信" data-url="{{ qrcode_url }}"><i class="layui-icon layui-icon-login-wechat icon-wechat"></i></a>
         <a href="javascript:" title="分享到QQ空间"><i class="layui-icon layui-icon-login-qq icon-qq"></i></a>
         <a href="javascript:" title="分享到微博"><i class="layui-icon layui-icon-login-weibo icon-weibo"></i></a>
diff --git a/app/Http/Web/Views/course/show_order.volt b/app/Http/Web/Views/course/show_order.volt
index cac9f0b6..9bcc857b 100644
--- a/app/Http/Web/Views/course/show_order.volt
+++ b/app/Http/Web/Views/course/show_order.volt
@@ -1,30 +1,19 @@
 {% if course.me.owned == 0 and course.market_price > 0 %}
     <div class="sidebar-order wrap">
-        <div class="order">
-            {% set order_url = url({'for':'web.order.confirm'},{'item_id':course.id,'item_type':'course'}) %}
-            <a class="layui-btn layui-btn-fluid layui-bg-red" href="{{ order_url }}">立即购买</a>
-        </div>
-        <div class="consult">
-            <a class="layui-btn layui-btn-fluid layui-bg-blue" href="javascript:">课程咨询</a>
-        </div>
+        {% set order_url = url({'for':'web.order.confirm'},{'item_id':course.id,'item_type':'course'}) %}
+        <a class="layui-btn layui-btn-fluid layui-bg-red btn-buy" href="javascript:" data-url="{{ order_url }}">立即购买</a>
     </div>
 {% endif %}
 
-{% set rating_url = url({'for':'web.course.rating','id':course.id}) %}
-
-<div class="sidebar-rating wrap">
-    <a class="layui-btn layui-btn-fluid layui-bg-green rating-btn" href="javascript:" data-url="{{ rating_url }}">课程评价</a>
-</div>
-
 {% if course.market_price == 0 %}
     <div class="layui-card">
         <div class="layui-card-header">赞赏支持</div>
         <div class="layui-card-body">
             <div class="sidebar-order">
-                {% for option in reward_options %}
-                    {% set item_id = [course.id,option.id]|join('-') %}
+                {% for reward in rewards %}
+                    {% set item_id = [course.id,reward.id]|join('-') %}
                     {% set order_url = url({'for':'web.order.confirm'},{'item_id':item_id,'item_type':'reward'}) %}
-                    <a class="layui-btn layui-btn-xs reward-btn" href="{{ order_url }}">{{ option.title }}</a>
+                    <a class="layui-btn layui-btn-xs btn-reward" href="javascript:" data-url="{{ order_url }}">{{ reward.title }}</a>
                 {% endfor %}
             </div>
         </div>
diff --git a/app/Http/Web/Views/im/chat_log.volt b/app/Http/Web/Views/im/chatlog.volt
similarity index 100%
rename from app/Http/Web/Views/im/chat_log.volt
rename to app/Http/Web/Views/im/chatlog.volt
diff --git a/app/Http/Web/Views/im/find.volt b/app/Http/Web/Views/im/find.volt
index 522eb9d4..8be4ba60 100644
--- a/app/Http/Web/Views/im/find.volt
+++ b/app/Http/Web/Views/im/find.volt
@@ -3,13 +3,11 @@
 {% block content %}
 
     <div class="im-search-wrap">
-        <div class="im-search">
-            <form class="layui-form" method="get" action="{{ url({'for':'web.im.search'}) }}">
-                <input class="layui-input" type="text" name="query" placeholder="请输入关键字...">
-                <button class="layui-hide" type="submit" lay-submit="true" lay-filter="im_search">搜索</button>
-            </form>
-        </div>
-        <div class="find-tab">
+        <form class="layui-form im-search-form" method="get" action="{{ url({'for':'web.im.search'}) }}">
+            <input class="layui-input" type="text" name="query" placeholder="请输入关键字...">
+            <button class="layui-hide" type="submit" lay-submit="true" lay-filter="im_search">搜索</button>
+        </form>
+        <div class="im-search-tab">
             <div class="layui-tab layui-tab-brief user-tab">
                 <ul class="layui-tab-title">
                     <li class="layui-this">成员</li>
diff --git a/app/Http/Web/Views/im/find_users.volt b/app/Http/Web/Views/im/find_users.volt
index 410a9b85..4a321f3a 100644
--- a/app/Http/Web/Views/im/find_users.volt
+++ b/app/Http/Web/Views/im/find_users.volt
@@ -4,7 +4,7 @@
             {% for item in pager.items %}
                 <div class="layui-col-md2">
                     <div class="user-card">
-                        {% if item.vip == 0 %}
+                        {% if item.vip == 1 %}
                             <span class="vip">会员</span>
                         {% endif %}
                         <div class="avatar">
diff --git a/app/Http/Web/Views/im/msg_box.volt b/app/Http/Web/Views/im/msgbox.volt
similarity index 100%
rename from app/Http/Web/Views/im/msg_box.volt
rename to app/Http/Web/Views/im/msgbox.volt
diff --git a/app/Http/Web/Views/im/sys_messages.volt b/app/Http/Web/Views/im/sys_messages.volt
index da89074b..38ef7209 100644
--- a/app/Http/Web/Views/im/sys_messages.volt
+++ b/app/Http/Web/Views/im/sys_messages.volt
@@ -2,16 +2,17 @@
 
     {% set item_type = item.item_type %}
     {% set item_info = item.item_info %}
+    {% set sender = item_info.sender %}
+    {% set sender_url = url({'for':'web.user.show','id':sender.id}) %}
 
     {% if item_type == '1' %}
-        {% set sender = item_info.sender %}
         {% set group = item_info.group %}
         {% set remark = item_info.remark ? '附言：' ~ item_info.remark : '' %}
         <li data-id="{{ item.id }}">
-            <a href="#" target="_blank"><img src="{{ sender.avatar }}" class="layui-circle layim-msgbox-avatar"></a>
+            <a href="{{ sender_url }}" target="_blank"><img src="{{ sender.avatar }}" class="layui-circle layim-msgbox-avatar"></a>
             <p class="layim-msgbox-user" data-id="{{ sender.id }}" data-name="{{ sender.name }}" data-avatar="{{ sender.avatar }}" data-group="{{ group.id }}">
-                <a href="#" target="_blank">{{ sender.name }}</a>
-                <span>{{ date('Y-m-d H:i:s',item.create_time) }}</span>
+                <a href="{{ sender_url }}" target="_blank">{{ sender.name }}</a>
+                <span>{{ item.create_time|time_ago }}</span>
             </p>
             <p class="layim-msgbox-content">申请添加你为好友 <span>{{ remark }}</span></p>
             <p class="layim-msgbox-btn">
@@ -27,19 +28,27 @@
         </li>
     {% elseif item_type == '2' %}
         <li class="layim-msgbox-system">
-            <p><em>系统：</em>{{ item_info.sender.name }} 接受了你的好友申请<span>{{ date('Y-m-d H:i:s',item.create_time) }}</span></p>
+            <p>
+                <em>系统：</em>
+                <a href="{{ sender_url }}" target="_blank">{{ sender.name }}</a>
+                接受了你的好友申请<span>{{ item.create_time|time_ago }}</span>
+            </p>
         </li>
     {% elseif item_type == '3' %}
         <li class="layim-msgbox-system">
-            <p><em>系统：</em>{{ item_info.sender.name }} 拒绝了你的好友申请<span>{{ date('Y-m-d H:i:s',item.create_time) }}</span></p>
+            <p>
+                <em>系统：</em>
+                <a href="{{ sender_url }}" target="_blank">{{ sender.name }}</a>
+                拒绝了你的好友申请<span>{{ item.create_time|time_ago }}</span>
+            </p>
         </li>
     {% elseif item_type == '4' %}
         {% set remark = item_info.remark ? '附言：' ~ item_info.remark : '' %}
         <li data-id="{{ item.id }}">
-            <a href="#" target="_blank"><img src="{{ item_info.sender.avatar }}" class="layui-circle layim-msgbox-avatar"></a>
+            <a href="{{ sender_url }}" target="_blank"><img src="{{ sender.avatar }}" class="layui-circle layim-msgbox-avatar"></a>
             <p class="layim-msgbox-user">
-                <a href="#" target="_blank">{{ item_info.sender.name }}</a>
-                <span>{{ date('Y-m-d H:i:s',item.create_time) }}</span>
+                <a href="{{ sender_url }}" target="_blank">{{ sender.name }}</a>
+                <span>{{ item.create_time|time_ago }}</span>
             </p>
             <p class="layim-msgbox-content">申请加入群组 <span>{{ remark }}</span></p>
             <p class="layim-msgbox-btn">
@@ -55,11 +64,19 @@
         </li>
     {% elseif item_type == '5' %}
         <li class="layim-msgbox-system">
-            <p><em>系统：</em>{{ item_info.sender.name }} 接受了你的入群申请<span>{{ date('Y-m-d H:i:s',item.create_time) }}</span></p>
+            <p>
+                <em>系统：</em>
+                <a href="{{ sender_url }}" target="_blank">{{ sender.name }}</a>
+                接受了你的入群申请<span>{{ item.create_time|time_ago }}</span>
+            </p>
         </li>
     {% elseif item_type == '6' %}
         <li class="layim-msgbox-system">
-            <p><em>系统：</em>{{ item_info.sender.name }} 拒绝了你的入群申请<span>{{ date('Y-m-d H:i:s',item.create_time) }}</span></p>
+            <p>
+                <em>系统：</em>
+                <a href="{{ sender_url }}" target="_blank">{{ sender.name }}</a>
+                拒绝了你的入群申请<span>{{ item.create_time|time_ago }}</span>
+            </p>
         </li>
     {% endif %}
 {%- endmacro %}
diff --git a/app/Http/Web/Views/teacher/list_pager.volt b/app/Http/Web/Views/teacher/ajax_pager.volt
similarity index 100%
rename from app/Http/Web/Views/teacher/list_pager.volt
rename to app/Http/Web/Views/teacher/ajax_pager.volt
diff --git a/app/Http/Web/Views/topic/courses.volt b/app/Http/Web/Views/topic/ajax_courses.volt
similarity index 100%
rename from app/Http/Web/Views/topic/courses.volt
rename to app/Http/Web/Views/topic/ajax_courses.volt
diff --git a/app/Http/Web/Views/user/courses.volt b/app/Http/Web/Views/user/ajax_courses.volt
similarity index 100%
rename from app/Http/Web/Views/user/courses.volt
rename to app/Http/Web/Views/user/ajax_courses.volt
diff --git a/app/Http/Web/Views/user/favorites.volt b/app/Http/Web/Views/user/ajax_favorites.volt
similarity index 100%
rename from app/Http/Web/Views/user/favorites.volt
rename to app/Http/Web/Views/user/ajax_favorites.volt
diff --git a/app/Http/Web/Views/user/friends.volt b/app/Http/Web/Views/user/ajax_friends.volt
similarity index 94%
rename from app/Http/Web/Views/user/friends.volt
rename to app/Http/Web/Views/user/ajax_friends.volt
index aa35159d..6096a353 100644
--- a/app/Http/Web/Views/user/friends.volt
+++ b/app/Http/Web/Views/user/ajax_friends.volt
@@ -4,7 +4,7 @@
             {% for item in pager.items %}
                 <div class="layui-col-md2">
                     <div class="user-card">
-                        {% if item.vip == 0 %}
+                        {% if item.vip == 1 %}
                             <span class="vip">会员</span>
                         {% endif %}
                         <div class="avatar">
diff --git a/app/Library/Helper.php b/app/Library/Helper.php
index 3bb38299..80330fd4 100644
--- a/app/Library/Helper.php
+++ b/app/Library/Helper.php
@@ -228,6 +228,29 @@ function kg_human_number($number)
     return $result;
 }
 
+/**
+ * 格式化之前时间
+ *
+ * @param int $time
+ * @return string
+ */
+function kg_time_ago($time)
+{
+    $diff = time() - $time;
+
+    if ($diff > 7 * 86400) {
+        return date('Y-m-d', $time);
+    } elseif ($diff > 86400) {
+        return floor($diff / 86400) . '天前';
+    } elseif ($diff > 3600) {
+        return floor($diff / 3600) . '小时前';
+    } elseif ($diff > 60) {
+        return floor($diff / 60) . '分钟前';
+    } else {
+        return $diff . '秒前';
+    }
+}
+
 /**
  * 播放时长
  *
diff --git a/app/Library/Paginator/Adapter/XunSearch.php b/app/Library/Paginator/Adapter/XunSearch.php
index bd794383..cd1b85bb 100644
--- a/app/Library/Paginator/Adapter/XunSearch.php
+++ b/app/Library/Paginator/Adapter/XunSearch.php
@@ -5,6 +5,7 @@ namespace App\Library\Paginator\Adapter;
 use App\Library\Paginator\Query;
 use Phalcon\Paginator\Adapter as PaginatorAdapter;
 use Phalcon\Paginator\Exception as PaginatorException;
+use stdClass;
 
 /**
  *
@@ -65,7 +66,7 @@ class XunSearch extends PaginatorAdapter
         $this->params = $query->getParams();
     }
 
-    public function paginate()
+    public function paginate(): stdClass
     {
         /**
          * @var \XS $xs
@@ -102,7 +103,7 @@ class XunSearch extends PaginatorAdapter
 
         $totalPages = ceil($totalCount / $limit);
 
-        $pager = new \stdClass();
+        $pager = new stdClass();
 
         $pager->first = 1;
         $pager->previous = $page > 1 ? $page - 1 : 1;
@@ -120,7 +121,7 @@ class XunSearch extends PaginatorAdapter
         return $pager;
     }
 
-    public function getPaginate()
+    public function getPaginate(): stdClass
     {
         return $this->paginate();
     }
diff --git a/app/Models/Consult.php b/app/Models/Consult.php
index 4e1d803f..df708aea 100644
--- a/app/Models/Consult.php
+++ b/app/Models/Consult.php
@@ -49,6 +49,13 @@ class Consult extends Model
      */
     public $like_count;
 
+    /**
+     * 优先级
+     *
+     * @var int
+     */
+    public $priority;
+
     /**
      * 私密标识
      *
diff --git a/app/Models/Review.php b/app/Models/Review.php
index 3df6c879..5f140165 100644
--- a/app/Models/Review.php
+++ b/app/Models/Review.php
@@ -77,6 +77,13 @@ class Review extends Model
      */
     public $like_count;
 
+    /**
+     * 匿名标识
+     *
+     * @var int
+     */
+    public $anonymous;
+
     /**
      * 发布标识
      *
diff --git a/app/Providers/Volt.php b/app/Providers/Volt.php
index 920d1b2f..def6382d 100644
--- a/app/Providers/Volt.php
+++ b/app/Providers/Volt.php
@@ -66,6 +66,10 @@ class Volt extends Provider
                 return 'kg_human_number(' . $resolvedArgs . ')';
             });
 
+            $compiler->addFilter('time_ago', function ($resolvedArgs) {
+                return 'kg_time_ago(' . $resolvedArgs . ')';
+            });
+
             return $volt;
         });
     }
diff --git a/app/Repos/Category.php b/app/Repos/Category.php
index 27ee9249..cec43778 100644
--- a/app/Repos/Category.php
+++ b/app/Repos/Category.php
@@ -90,7 +90,7 @@ class Category extends Repository
 
     public function countChildCategories($categoryId)
     {
-        return CategoryModel::count([
+        return (int)CategoryModel::count([
             'conditions' => 'parent_id = :parent_id: AND published = 1',
             'bind' => ['parent_id' => $categoryId],
         ]);
@@ -98,8 +98,7 @@ class Category extends Repository
 
     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.published = 1 AND c.published = 1';
+        $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.published = 1';
 
         $phql = sprintf($phql, CourseCategoryModel::class, CourseModel::class);
 
@@ -107,7 +106,7 @@ class Category extends Repository
 
         $record = $this->modelsManager->executeQuery($phql, $bind)->getFirst();
 
-        return $record['total'];
+        return (int)$record['total'];
     }
 
 }
diff --git a/app/Repos/Chapter.php b/app/Repos/Chapter.php
index 4255e774..80bc5b0e 100644
--- a/app/Repos/Chapter.php
+++ b/app/Repos/Chapter.php
@@ -121,7 +121,7 @@ class Chapter extends Repository
 
     public function maxChapterPriority($courseId)
     {
-        return ChapterModel::maximum([
+        return (int)ChapterModel::maximum([
             'column' => 'priority',
             'conditions' => 'course_id = :course_id: AND parent_id = 0',
             'bind' => ['course_id' => $courseId],
@@ -130,7 +130,7 @@ class Chapter extends Repository
 
     public function maxLessonPriority($chapterId)
     {
-        return ChapterModel::maximum([
+        return (int)ChapterModel::maximum([
             'column' => 'priority',
             'conditions' => 'parent_id = :parent_id:',
             'bind' => ['parent_id' => $chapterId],
@@ -139,7 +139,7 @@ class Chapter extends Repository
 
     public function countLessons($chapterId)
     {
-        return ChapterModel::count([
+        return (int)ChapterModel::count([
             'conditions' => 'parent_id = :chapter_id: AND deleted = 0',
             'bind' => ['chapter_id' => $chapterId],
         ]);
@@ -147,7 +147,7 @@ class Chapter extends Repository
 
     public function countUsers($chapterId)
     {
-        return ChapterUserModel::count([
+        return (int)ChapterUserModel::count([
             'conditions' => 'chapter_id = :chapter_id: AND deleted = 0',
             'bind' => ['chapter_id' => $chapterId],
         ]);
@@ -155,7 +155,7 @@ class Chapter extends Repository
 
     public function countComments($chapterId)
     {
-        return CommentModel::count([
+        return (int)CommentModel::count([
             'conditions' => 'chapter_id = :chapter_id: AND deleted = 0',
             'bind' => ['chapter_id' => $chapterId],
         ]);
@@ -163,7 +163,7 @@ class Chapter extends Repository
 
     public function countLikes($chapterId)
     {
-        return ChapterLikeModel::count([
+        return (int)ChapterLikeModel::count([
             'conditions' => 'chapter_id = :chapter_id: AND deleted = 0',
             'bind' => ['chapter_id' => $chapterId],
         ]);
diff --git a/app/Repos/Comment.php b/app/Repos/Comment.php
index 984d9beb..a1f55c41 100644
--- a/app/Repos/Comment.php
+++ b/app/Repos/Comment.php
@@ -87,9 +87,14 @@ class Comment extends Repository
             ->execute();
     }
 
+    public function countComments()
+    {
+        return (int)CommentModel::count(['conditions' => 'deleted = 0']);
+    }
+
     public function countReplies($commentId)
     {
-        return CommentModel::count([
+        return (int)CommentModel::count([
             'conditions' => 'parent_id = :parent_id: AND deleted = 0',
             'bind' => ['parent_id' => $commentId],
         ]);
@@ -97,7 +102,7 @@ class Comment extends Repository
 
     public function countLikes($commentId)
     {
-        return CommentLikeModel::count([
+        return (int)CommentLikeModel::count([
             'conditions' => 'comment_id = :comment_id: AND deleted = 0',
             'bind' => ['comment_id' => $commentId],
         ]);
diff --git a/app/Repos/Consult.php b/app/Repos/Consult.php
index 201040f8..9cecee05 100644
--- a/app/Repos/Consult.php
+++ b/app/Repos/Consult.php
@@ -45,6 +45,9 @@ class Consult extends Repository
         }
 
         switch ($sort) {
+            case 'priority':
+                $orderBy = 'priority ASC, id DESC';
+                break;
             default:
                 $orderBy = 'id DESC';
                 break;
@@ -83,9 +86,14 @@ class Consult extends Repository
             ->execute();
     }
 
+    public function countConsults()
+    {
+        return (int)ConsultModel::count(['conditions' => 'deleted = 0']);
+    }
+
     public function countLikes($consultId)
     {
-        return ConsultLikeModel::count([
+        return (int)ConsultLikeModel::count([
             'conditions' => 'consult_id = :consult_id: AND deleted = 0',
             'bind' => ['consult_id' => $consultId],
         ]);
diff --git a/app/Repos/Course.php b/app/Repos/Course.php
index b9c9e911..7528efb9 100644
--- a/app/Repos/Course.php
+++ b/app/Repos/Course.php
@@ -245,9 +245,14 @@ class Course extends Repository
             ->execute();
     }
 
+    public function countCourses()
+    {
+        return (int)CourseModel::count(['conditions' => 'deleted = 0']);
+    }
+
     public function countLessons($courseId)
     {
-        return ChapterModel::count([
+        return (int)ChapterModel::count([
             'conditions' => 'course_id = :course_id: AND parent_id > 0 AND deleted = 0',
             'bind' => ['course_id' => $courseId],
         ]);
@@ -255,7 +260,7 @@ class Course extends Repository
 
     public function countPackages($courseId)
     {
-        return CoursePackageModel::count([
+        return (int)CoursePackageModel::count([
             'conditions' => 'course_id = :course_id:',
             'bind' => ['course_id' => $courseId],
         ]);
@@ -263,7 +268,7 @@ class Course extends Repository
 
     public function countUsers($courseId)
     {
-        return CourseUserModel::count([
+        return (int)CourseUserModel::count([
             'conditions' => 'course_id = :course_id: AND deleted = 0',
             'bind' => ['course_id' => $courseId],
         ]);
@@ -271,7 +276,7 @@ class Course extends Repository
 
     public function countConsults($courseId)
     {
-        return ConsultModel::count([
+        return (int)ConsultModel::count([
             'conditions' => 'course_id = :course_id: AND published = 1',
             'bind' => ['course_id' => $courseId],
         ]);
@@ -279,7 +284,7 @@ class Course extends Repository
 
     public function countReviews($courseId)
     {
-        return ReviewModel::count([
+        return (int)ReviewModel::count([
             'conditions' => 'course_id = :course_id: AND published = 1',
             'bind' => ['course_id' => $courseId],
         ]);
@@ -287,7 +292,7 @@ class Course extends Repository
 
     public function countComments($courseId)
     {
-        return CommentModel::count([
+        return (int)CommentModel::count([
             'conditions' => 'course_id = :course_id: AND published = 1',
             'bind' => ['course_id' => $courseId],
         ]);
@@ -295,15 +300,15 @@ class Course extends Repository
 
     public function countFavorites($courseId)
     {
-        return CourseFavoriteModel::count([
-            'conditions' => 'course_id = :course_id: AND published = 1',
+        return (int)CourseFavoriteModel::count([
+            'conditions' => 'course_id = :course_id: AND deleted = 0',
             'bind' => ['course_id' => $courseId],
         ]);
     }
 
     public function averageRating($courseId)
     {
-        return ReviewModel::average([
+        return (int)ReviewModel::average([
             'column' => 'rating',
             'conditions' => 'course_id = :course_id: AND published = 1',
             'bind' => ['course_id' => $courseId],
@@ -318,11 +323,13 @@ class Course extends Repository
 
         $rows = $repo->findByCategoryIds($categoryIds);
 
-        if ($rows->count() == 0) {
-            return [];
+        $result = [];
+
+        if ($rows->count() > 0) {
+            $result = kg_array_column($rows->toArray(), 'course_id');
         }
 
-        return kg_array_column($rows->toArray(), 'course_id');
+        return $result;
     }
 
     protected function getTeacherCourseIds($teacherId)
@@ -333,11 +340,13 @@ class Course extends Repository
 
         $rows = $repo->findByTeacherIds($teacherIds);
 
+        $result = [];
+
         if ($rows->count() == 0) {
-            return [];
+            $result = kg_array_column($rows->toArray(), 'course_id');
         }
 
-        return kg_array_column($rows->toArray(), 'course_id');
+        return $result;
     }
 
 }
diff --git a/app/Repos/CourseCategory.php b/app/Repos/CourseCategory.php
index ff77a411..94cefb3f 100644
--- a/app/Repos/CourseCategory.php
+++ b/app/Repos/CourseCategory.php
@@ -27,7 +27,7 @@ class CourseCategory extends Repository
      * @param array $categoryIds
      * @return ResultsetInterface|Resultset|CourseCategoryModel[]
      */
-    public function findByCategoryIds(array $categoryIds)
+    public function findByCategoryIds($categoryIds)
     {
         return CourseCategoryModel::query()
             ->inWhere('category_id', $categoryIds)
@@ -38,7 +38,7 @@ class CourseCategory extends Repository
      * @param array $courseIds
      * @return ResultsetInterface|Resultset|CourseCategoryModel[]
      */
-    public function findByCourseIds(array $courseIds)
+    public function findByCourseIds($courseIds)
     {
         return CourseCategoryModel::query()
             ->inWhere('course_id', $courseIds)
diff --git a/app/Repos/CourseUser.php b/app/Repos/CourseUser.php
index 86059656..12704ac5 100644
--- a/app/Repos/CourseUser.php
+++ b/app/Repos/CourseUser.php
@@ -136,7 +136,7 @@ class CourseUser extends Repository
      * @param array $teacherIds
      * @return ResultsetInterface|Resultset|CourseUserModel[]
      */
-    public function findByTeacherIds(array $teacherIds)
+    public function findByTeacherIds($teacherIds)
     {
         $roleType = CourseUserModel::ROLE_TEACHER;
 
diff --git a/app/Repos/Danmu.php b/app/Repos/Danmu.php
index da807ae7..a6075671 100644
--- a/app/Repos/Danmu.php
+++ b/app/Repos/Danmu.php
@@ -121,4 +121,9 @@ class Danmu extends Repository
         return $query->execute();
     }
 
+    public function countDanmus()
+    {
+        return (int)DanmuModel::count(['conditions' => 'deleted = 0']);
+    }
+
 }
diff --git a/app/Repos/ImFriendGroup.php b/app/Repos/ImFriendGroup.php
index 9f07547d..cb31a2c4 100644
--- a/app/Repos/ImFriendGroup.php
+++ b/app/Repos/ImFriendGroup.php
@@ -76,15 +76,22 @@ class ImFriendGroup extends Repository
      * @param int $groupId
      * @return ResultsetInterface|Resultset|UserModel[]
      */
-    public function findGroupUsers($groupId)
+    public function findUsers($groupId)
     {
         return $this->modelsManager->createBuilder()
             ->columns('u.*')
             ->addFrom(UserModel::class, 'u')
-            ->join(ImFriendUserModel::class, 'u.id = f.user_id', 'f')
-            ->where('f.group_id = :group_id:', ['group_id' => $groupId])
-            ->andWhere('u.deleted = 0')
+            ->join(ImFriendUserModel::class, 'u.id = fu.user_id', 'fu')
+            ->where('fu.group_id = :group_id:', ['group_id' => $groupId])
             ->getQuery()->execute();
     }
 
+    public function countUsers($groupId)
+    {
+        return (int)ImFriendUserModel::count([
+            'conditions' => 'group_id = :group_id: AND blocked = 0',
+            'bind' => ['group_id' => $groupId],
+        ]);
+    }
+
 }
diff --git a/app/Repos/ImGroup.php b/app/Repos/ImGroup.php
index d281ad0e..dea5803f 100644
--- a/app/Repos/ImGroup.php
+++ b/app/Repos/ImGroup.php
@@ -79,15 +79,27 @@ class ImGroup extends Repository
      * @param int $groupId
      * @return ResultsetInterface|Resultset|ImUserModel[]
      */
-    public function findGroupUsers($groupId)
+    public function findUsers($groupId)
     {
         return $this->modelsManager->createBuilder()
             ->columns('u.*')
             ->addFrom(ImUserModel::class, 'u')
             ->join(ImGroupUserModel::class, 'u.id = gu.user_id', 'gu')
             ->where('gu.group_id = :group_id:', ['group_id' => $groupId])
-            ->andWhere('u.deleted = 0')
             ->getQuery()->execute();
     }
 
+    public function countGroups()
+    {
+        return (int)ImGroupModel::count(['conditions' => 'deleted = 0']);
+    }
+
+    public function countUsers($groupId)
+    {
+        return (int)ImGroupUserModel::count([
+            'conditions' => 'group_id = :group_id: AND blocked = 0',
+            'bind' => ['group_id' => $groupId],
+        ]);
+    }
+
 }
diff --git a/app/Repos/ImGroupUser.php b/app/Repos/ImGroupUser.php
index fc9cd9a6..6d7f6950 100644
--- a/app/Repos/ImGroupUser.php
+++ b/app/Repos/ImGroupUser.php
@@ -9,15 +9,15 @@ class ImGroupUser extends Repository
 {
 
     /**
-     * @param int $userId
      * @param int $groupId
+     * @param int $userId
      * @return ImGroupUserModel|Model|bool
      */
-    public function findGroupUser($userId, $groupId)
+    public function findGroupUser($groupId, $userId)
     {
         return ImGroupUserModel::findFirst([
-            'conditions' => 'user_id = ?1 AND group_id = ?2',
-            'bind' => [1 => $userId, 2 => $groupId],
+            'conditions' => 'group_id = ?1 AND user_id = ?2',
+            'bind' => [1 => $groupId, 2 => $userId],
             'order' => 'id DESC',
         ]);
     }
diff --git a/app/Repos/ImSystemMessage.php b/app/Repos/ImSystemMessage.php
index 83e194f6..a9fdfd1f 100644
--- a/app/Repos/ImSystemMessage.php
+++ b/app/Repos/ImSystemMessage.php
@@ -73,8 +73,4 @@ class ImSystemMessage extends Repository
             ->execute();
     }
 
-    public function findUserMessage($userId, $itemType)
-    {
-    }
-
 }
diff --git a/app/Repos/ImUser.php b/app/Repos/ImUser.php
index 03af51a1..31f047f6 100644
--- a/app/Repos/ImUser.php
+++ b/app/Repos/ImUser.php
@@ -80,7 +80,7 @@ class ImUser extends Repository
      * @param int $userId
      * @return ResultsetInterface|Resultset|ImFriendUserModel[]
      */
-    public function findImFriendUsers($userId)
+    public function findFriendUsers($userId)
     {
         return ImFriendUserModel::query()
             ->where('user_id = :user_id:', ['user_id' => $userId])
@@ -91,7 +91,7 @@ class ImUser extends Repository
      * @param int $userId
      * @return ResultsetInterface|Resultset|ImFriendGroupModel[]
      */
-    public function findImFriendGroups($userId)
+    public function findFriendGroups($userId)
     {
         return ImFriendGroupModel::query()
             ->where('user_id = :user_id:', ['user_id' => $userId])
@@ -103,7 +103,7 @@ class ImUser extends Repository
      * @param int $userId
      * @return ResultsetInterface|Resultset|ImGroupModel[]
      */
-    public function findImGroups($userId)
+    public function findGroups($userId)
     {
         return $this->modelsManager->createBuilder()
             ->columns('g.*')
@@ -119,7 +119,7 @@ class ImUser extends Repository
      * @param int $userId
      * @return ResultsetInterface|Resultset|ImFriendMessageModel[]
      */
-    public function findUnreadImFriendMessages($friendId, $userId)
+    public function findUnreadFriendMessages($friendId, $userId)
     {
         return ImFriendMessageModel::find([
             'conditions' => 'sender_id = ?1 AND receiver_id = ?2 AND viewed = ?3',
@@ -130,9 +130,9 @@ class ImUser extends Repository
     /**
      * @param int $userId
      * @param int $itemType
-     * @return Model|bool|ImSystemMessageModel
+     * @return ImSystemMessageModel|Model|bool
      */
-    public function findImSystemMessage($userId, $itemType)
+    public function findSystemMessage($userId, $itemType)
     {
         return ImSystemMessageModel::findFirst([
             'conditions' => 'receiver_id = ?1 AND item_type = ?2',
@@ -145,7 +145,7 @@ class ImUser extends Repository
      * @param int $userId
      * @return ResultsetInterface|Resultset|ImFriendMessageModel[]
      */
-    public function findUnreadImSystemMessages($userId)
+    public function findUnreadSystemMessages($userId)
     {
         return ImSystemMessageModel::find([
             'conditions' => 'receiver_id = ?1 AND viewed = ?2',
@@ -153,9 +153,9 @@ class ImUser extends Repository
         ]);
     }
 
-    public function countUnreadImSystemMessages($userId)
+    public function countUnreadSystemMessages($userId)
     {
-        return ImSystemMessageModel::count([
+        return (int)ImSystemMessageModel::count([
             'conditions' => 'receiver_id = ?1 AND viewed = ?2',
             'bind' => [1 => $userId, 2 => 0],
         ]);
diff --git a/app/Repos/Nav.php b/app/Repos/Nav.php
index 4167de8f..cb991eb6 100644
--- a/app/Repos/Nav.php
+++ b/app/Repos/Nav.php
@@ -69,8 +69,8 @@ class Nav extends Repository
 
     public function countChildNavs($navId)
     {
-        return NavModel::count([
-            'conditions' => 'parent_id = :parent_id: AND published = 1 AND deleted = 0',
+        return (int)NavModel::count([
+            'conditions' => 'parent_id = :parent_id: AND published = 1',
             'bind' => ['parent_id' => $navId],
         ]);
     }
diff --git a/app/Repos/Order.php b/app/Repos/Order.php
index 5dff0b1f..20436be4 100644
--- a/app/Repos/Order.php
+++ b/app/Repos/Order.php
@@ -166,7 +166,7 @@ class Order extends Repository
     }
 
     /**
-     * @param $orderId
+     * @param int $orderId
      * @return ResultsetInterface|Resultset|OrderStatusModel[]
      */
     public function findStatusHistory($orderId)
@@ -202,4 +202,9 @@ class Order extends Repository
         ]);
     }
 
+    public function countOrders()
+    {
+        return (int)OrderModel::count(['conditions' => 'deleted = 0']);
+    }
+
 }
diff --git a/app/Repos/Package.php b/app/Repos/Package.php
index 4450e4fc..3847e62a 100644
--- a/app/Repos/Package.php
+++ b/app/Repos/Package.php
@@ -94,7 +94,7 @@ class Package extends Repository
 
     public function countCourses($packageId)
     {
-        return CoursePackageModel::count([
+        return (int)CoursePackageModel::count([
             'conditions' => 'package_id = :package_id:',
             'bind' => ['package_id' => $packageId],
         ]);
diff --git a/app/Repos/RefreshToken.php b/app/Repos/RefreshToken.php
index fe66b04f..df831a09 100644
--- a/app/Repos/RefreshToken.php
+++ b/app/Repos/RefreshToken.php
@@ -36,7 +36,7 @@ class RefreshToken extends Repository
 
     public function countByUserId($userId)
     {
-        return RefreshTokenModel::count([
+        return (int)RefreshTokenModel::count([
             'conditions' => 'user_id = :user_id: AND deleted = 0',
             'bind' => ['user_id' => $userId],
         ]);
diff --git a/app/Repos/Review.php b/app/Repos/Review.php
index d6448a33..128bb2cd 100644
--- a/app/Repos/Review.php
+++ b/app/Repos/Review.php
@@ -106,6 +106,11 @@ class Review extends Repository
             ->execute();
     }
 
+    public function countReviews()
+    {
+        return (int)ReviewModel::count(['conditions' => 'deleted = 0']);
+    }
+
     public function countLikes($reviewId)
     {
         return ReviewLikeModel::count([
diff --git a/app/Repos/Topic.php b/app/Repos/Topic.php
index 6b87f1fd..beee93fa 100644
--- a/app/Repos/Topic.php
+++ b/app/Repos/Topic.php
@@ -87,9 +87,14 @@ class Topic extends Repository
             ->getQuery()->execute();
     }
 
+    public function countTopics()
+    {
+        return (int)TopicModel::count(['conditions' => 'deleted = 0']);
+    }
+
     public function countCourses($topicId)
     {
-        return CourseTopicModel::count([
+        return (int)CourseTopicModel::count([
             'conditions' => 'topic_id = :topic_id:',
             'bind' => ['topic_id' => $topicId],
         ]);
diff --git a/app/Repos/User.php b/app/Repos/User.php
index 0b80136c..42229ecd 100644
--- a/app/Repos/User.php
+++ b/app/Repos/User.php
@@ -111,4 +111,9 @@ class User extends Repository
             ->execute();
     }
 
+    public function countUsers()
+    {
+        return (int)UserModel::count(['conditions' => 'deleted = 0']);
+    }
+
 }
diff --git a/app/Validators/Chapter.php b/app/Validators/Chapter.php
index 073c5a6e..5c42ca10 100644
--- a/app/Validators/Chapter.php
+++ b/app/Validators/Chapter.php
@@ -180,8 +180,10 @@ class Chapter extends Validator
 
         $like = $repo->findChapterLike($chapterId, $userId);
 
-        if ($like && time() - $like->create_time > 5 * 60) {
-            throw new BadRequestException('chapter.has_liked');
+        if ($like) {
+            if ($like->deleted == 0 && time() - $like->create_time > 5 * 60) {
+                throw new BadRequestException('chapter.has_liked');
+            }
         }
 
         return $like;
diff --git a/app/Validators/Comment.php b/app/Validators/Comment.php
index 50508370..1c20ad6c 100644
--- a/app/Validators/Comment.php
+++ b/app/Validators/Comment.php
@@ -82,8 +82,10 @@ class Comment extends Validator
 
         $like = $repo->findCommentLike($chapterId, $userId);
 
-        if ($like && time() - $like->create_time > 5 * 60) {
-            throw new BadRequestException('comment.has_liked');
+        if ($like) {
+            if ($like->deleted == 0 && time() - $like->create_time > 5 * 60) {
+                throw new BadRequestException('comment.has_liked');
+            }
         }
 
         return $like;
diff --git a/app/Validators/Consult.php b/app/Validators/Consult.php
index 51a42ed8..15f4b815 100644
--- a/app/Validators/Consult.php
+++ b/app/Validators/Consult.php
@@ -87,8 +87,10 @@ class Consult extends Validator
 
         $like = $repo->findConsultLike($chapterId, $userId);
 
-        if ($like && time() - $like->create_time > 5 * 60) {
-            throw new BadRequestException('consult.has_liked');
+        if ($like) {
+            if ($like->deleted == 0 && time() - $like->create_time > 5 * 60) {
+                throw new BadRequestException('consult.has_liked');
+            }
         }
 
         return $like;
diff --git a/app/Validators/Course.php b/app/Validators/Course.php
index a149343f..51861015 100644
--- a/app/Validators/Course.php
+++ b/app/Validators/Course.php
@@ -249,8 +249,10 @@ class Course extends Validator
 
         $favorite = $repo->findCourseFavorite($courseId, $userId);
 
-        if ($favorite && time() - $favorite->create_time > 5 * 60) {
-            throw new BadRequestException('course.has_favorited');
+        if ($favorite) {
+            if ($favorite->deleted == 0 && time() - $favorite->create_time > 5 * 60) {
+                throw new BadRequestException('course.has_favorited');
+            }
         }
 
         return $favorite;
diff --git a/app/Validators/ImGroupUser.php b/app/Validators/ImGroupUser.php
index d9f003f1..2df64ebe 100644
--- a/app/Validators/ImGroupUser.php
+++ b/app/Validators/ImGroupUser.php
@@ -35,11 +35,11 @@ class ImGroupUser extends Validator
         return $remark;
     }
 
-    public function checkGroupUser($userId, $groupId)
+    public function checkGroupUser($groupId, $userId)
     {
         $repo = new ImGroupUserRepo();
 
-        $record = $repo->findGroupUser($userId, $groupId);
+        $record = $repo->findGroupUser($groupId, $userId);
 
         if (!$record) {
             throw new BadRequestException('im_group_user.not_found');
@@ -48,22 +48,22 @@ class ImGroupUser extends Validator
         return $record;
     }
 
-    public function checkIfJoined($userId, $groupId)
+    public function checkIfJoined($groupId, $userId)
     {
         $repo = new ImGroupUserRepo();
 
-        $record = $repo->findGroupUser($userId, $groupId);
+        $record = $repo->findGroupUser($groupId, $userId);
 
         if ($record && $record->blocked == 0) {
             throw new BadRequestException('im_group_user.has_joined');
         }
     }
 
-    public function checkIfBlocked($userId, $groupId)
+    public function checkIfBlocked($groupId, $userId)
     {
         $repo = new ImGroupUserRepo();
 
-        $record = $repo->findGroupUser($userId, $groupId);
+        $record = $repo->findGroupUser($groupId, $userId);
 
         if ($record && $record->blocked == 1) {
             throw new BadRequestException('im_group_user.blocked');
diff --git a/app/Validators/Review.php b/app/Validators/Review.php
index 89755dfa..a955cd43 100644
--- a/app/Validators/Review.php
+++ b/app/Validators/Review.php
@@ -71,8 +71,10 @@ class Review extends Validator
 
         $like = $repo->findReviewLike($reviewId, $userId);
 
-        if ($like && time() - $like->create_time > 5 * 60) {
-            throw new BadRequestException('review.has_liked');
+        if ($like) {
+            if ($like->deleted == 0 && time() - $like->create_time > 5 * 60) {
+                throw new BadRequestException('review.has_liked');
+            }
         }
 
         return $like;
diff --git a/public/static/lib/layui/extends/helper.js b/public/static/lib/layui/extends/helper.js
index a7c644c4..d0dc4f59 100644
--- a/public/static/lib/layui/extends/helper.js
+++ b/public/static/lib/layui/extends/helper.js
@@ -17,12 +17,12 @@ layui.define(['jquery', 'element', 'layer'], function (exports) {
         });
     };
 
-    helper.checkLogin = function () {
+    helper.checkLogin = function (callback) {
         if (window.koogua.user.id === '0') {
-            layer.msg('继续操作前请登录或者注册', {icon: 2, anim: 6});
+            layer.msg('继续操作前请先登录', {icon: 2, anim: 6});
             return false;
         }
-        return true;
+        callback();
     };
 
     helper.getRequestId = function () {
diff --git a/public/static/web/css/common.css b/public/static/web/css/common.css
index 2f542ed2..04aab267 100644
--- a/public/static/web/css/common.css
+++ b/public/static/web/css/common.css
@@ -720,11 +720,7 @@ body {
     text-align: center;
 }
 
-.sidebar-order .order {
-    margin-bottom: 10px;
-}
-
-.sidebar-order .reward-btn {
+.sidebar-order .btn-reward {
     width: 84px;
     margin: 5px;
 }
@@ -1013,7 +1009,6 @@ body {
 
 .cart-course-card .info {
     float: left;
-    font-size: 12px;
 }
 
 .cart-course-card span {
@@ -1421,10 +1416,14 @@ body {
     background-color: #f2f2f2;
 }
 
-.im-search {
+.im-search-form {
     margin-bottom: 10px;
 }
 
+.im-search-tab .layui-tab-content {
+    min-height: 300px;
+}
+
 .im-user-list .user-card {
     height: 150px;
     font-size: 12px;
diff --git a/public/static/web/js/chapter.like.js b/public/static/web/js/chapter.like.js
new file mode 100644
index 00000000..3fc0e2a1
--- /dev/null
+++ b/public/static/web/js/chapter.like.js
@@ -0,0 +1,29 @@
+layui.use(['jquery', 'helper'], function () {
+
+    var $ = layui.jquery;
+    var helper = layui.helper;
+
+    $('.icon-praise').on('click', function () {
+        var $this = $(this);
+        var $likeCount = $this.next();
+        var likeCount = parseInt($likeCount.text());
+        helper.checkLogin(function () {
+            $.ajax({
+                type: 'POST',
+                url: $this.parent().data('url'),
+                success: function () {
+                    if ($this.hasClass('active')) {
+                        $this.removeClass('active');
+                        $likeCount.text(likeCount - 1);
+                        likeCount -= 1;
+                    } else {
+                        $this.addClass('active');
+                        $likeCount.text(likeCount + 1);
+                        likeCount += 1;
+                    }
+                }
+            });
+        });
+    });
+
+});
\ No newline at end of file
diff --git a/public/static/web/js/course.share.js b/public/static/web/js/course.share.js
index 5a99cc27..a47c6c2b 100644
--- a/public/static/web/js/course.share.js
+++ b/public/static/web/js/course.share.js
@@ -1,7 +1,8 @@
-layui.use(['jquery', 'layer'], function () {
+layui.use(['jquery', 'layer', 'helper'], function () {
 
     var $ = layui.jquery;
     var layer = layui.layer;
+    var helper = layui.helper;
 
     var myShare = {
         title: $('input[name="share.title"]').val(),
@@ -10,39 +11,26 @@ layui.use(['jquery', 'layer'], function () {
         qrcode: $('input[name="share.qrcode"]').val()
     };
 
-    $('.icon-heart').on('click', function () {
-        var $this = $(this);
-        $.ajax({
-            type: 'POST',
-            url: $this.parent().data('url'),
-            success: function () {
-                if ($this.hasClass('active')) {
-                    $this.removeClass('active');
-                } else {
-                    $this.addClass('active');
-                }
-            }
-        });
-    });
-
     $('.icon-praise').on('click', function () {
         var $this = $(this);
         var $likeCount = $this.next();
         var likeCount = parseInt($likeCount.text());
-        $.ajax({
-            type: 'POST',
-            url: $this.parent().data('url'),
-            success: function () {
-                if ($this.hasClass('active')) {
-                    $this.removeClass('active');
-                    $likeCount.text(likeCount - 1);
-                    likeCount -= 1;
-                } else {
-                    $this.addClass('active');
-                    $likeCount.text(likeCount + 1);
-                    likeCount += 1;
+        helper.checkLogin(function () {
+            $.ajax({
+                type: 'POST',
+                url: $this.parent().data('url'),
+                success: function () {
+                    if ($this.hasClass('active')) {
+                        $this.removeClass('active');
+                        $likeCount.text(likeCount - 1);
+                        likeCount -= 1;
+                    } else {
+                        $this.addClass('active');
+                        $likeCount.text(likeCount + 1);
+                        likeCount += 1;
+                    }
                 }
-            }
+            });
         });
     });
 
diff --git a/public/static/web/js/course.show.js b/public/static/web/js/course.show.js
index ab0e5b20..6d5d2e38 100644
--- a/public/static/web/js/course.show.js
+++ b/public/static/web/js/course.show.js
@@ -4,7 +4,40 @@ layui.use(['jquery', 'layer', 'helper'], function () {
     var layer = layui.layer;
     var helper = layui.helper;
 
-    $('.rating-btn').on('click', function () {
+    $('.icon-star').on('click', function () {
+        var $this = $(this);
+        helper.checkLogin(function () {
+            $.ajax({
+                type: 'POST',
+                url: $this.parent().data('url'),
+                success: function () {
+                    if ($this.hasClass('layui-icon-star-fill')) {
+                        $this.removeClass('layui-icon-star-fill');
+                        $this.addClass('layui-icon-star');
+                    } else {
+                        $this.removeClass('layui-icon-star');
+                        $this.addClass('layui-icon-star-fill');
+                    }
+                }
+            });
+        });
+    });
+
+    $('.btn-reward').on('click', function () {
+        var url = $(this).data('url');
+        helper.checkLogin(function () {
+            window.location.href = url;
+        });
+    });
+
+    $('.btn-buy').on('click', function () {
+        var url = $(this).data('url');
+        helper.checkLogin(function () {
+            window.location.href = url;
+        });
+    });
+
+    $('.btn-rating').on('click', function () {
         var url = $(this).data('url');
         layer.open({
             type: 2,
@@ -18,23 +51,30 @@ layui.use(['jquery', 'layer', 'helper'], function () {
         var $this = $(this);
         var $likeCount = $this.next();
         var likeCount = parseInt($likeCount.text());
-        $.ajax({
-            type: 'POST',
-            url: $this.parent().data('url'),
-            success: function () {
-                if ($this.hasClass('active')) {
-                    $this.removeClass('active');
-                    $likeCount.text(likeCount - 1);
-                    likeCount -= 1;
-                } else {
-                    $this.addClass('active');
-                    $likeCount.text(likeCount + 1);
-                    likeCount += 1;
+        helper.checkLogin(function () {
+            $.ajax({
+                type: 'POST',
+                url: $this.parent().data('url'),
+                success: function () {
+                    if ($this.hasClass('active')) {
+                        $this.removeClass('active');
+                        $likeCount.text(likeCount - 1);
+                        likeCount -= 1;
+                    } else {
+                        $this.addClass('active');
+                        $likeCount.text(likeCount + 1);
+                        likeCount += 1;
+                    }
                 }
-            }
+            });
         });
     });
 
+    if ($('#tab-chapters').length > 0) {
+        var $tabChapters = $('#tab-chapters');
+        helper.ajaxLoadHtml($tabChapters.data('url'), $tabChapters.attr('id'));
+    }
+
     if ($('#tab-packages').length > 0) {
         var $tabPackages = $('#tab-packages');
         helper.ajaxLoadHtml($tabPackages.data('url'), $tabPackages.attr('id'));
@@ -50,6 +90,11 @@ layui.use(['jquery', 'layer', 'helper'], function () {
         helper.ajaxLoadHtml($tabReviews.data('url'), $tabReviews.attr('id'));
     }
 
+    if ($('#sidebar-teachers').length > 0) {
+        var $sdTeachers = $('#sidebar-teachers');
+        helper.ajaxLoadHtml($sdTeachers.data('url'), $sdTeachers.attr('id'));
+    }
+
     if ($('#sidebar-topics').length > 0) {
         var $sdTopics = $('#sidebar-topics');
         helper.ajaxLoadHtml($sdTopics.data('url'), $sdTopics.attr('id'));
diff --git a/public/static/web/js/im.js b/public/static/web/js/im.js
index 2f7d020d..514483bb 100644
--- a/public/static/web/js/im.js
+++ b/public/static/web/js/im.js
@@ -58,8 +58,8 @@ layui.use(['jquery', 'layim'], function () {
         },
         maxLength: 1000,
         find: '/im/find',
-        msgbox: '/im/msg/box',
-        chatLog: '/im/chat/log'
+        msgbox: '/im/msgbox',
+        chatLog: '/im/chatlog'
     });
 
     layim.on('ready', function (options) {