diff --git a/app/Builders/ImFriendUserList.php b/app/Builders/ImFriendUserList.php
index 0c51d029..f8a39826 100644
--- a/app/Builders/ImFriendUserList.php
+++ b/app/Builders/ImFriendUserList.php
@@ -26,7 +26,7 @@ class ImFriendUserList extends Builder
 
         $columns = [
             'id', 'name', 'avatar', 'title', 'about', 'vip',
-            'gender', 'location', 'active_time',
+            'gender', 'area', 'active_time',
         ];
 
         $users = $userRepo->findByIds($ids, $columns);
diff --git a/app/Http/Desktop/Controllers/Controller.php b/app/Http/Desktop/Controllers/Controller.php
index 57b6e40a..6cba9828 100644
--- a/app/Http/Desktop/Controllers/Controller.php
+++ b/app/Http/Desktop/Controllers/Controller.php
@@ -127,9 +127,6 @@ class Controller extends \Phalcon\Mvc\Controller
             'cs' => [
                 'enabled' => $im['cs_enabled'],
             ],
-            'robot' => [
-                'enabled' => $im['robot_enabled'],
-            ],
             'websocket' => [
                 'url' => $this->config->websocket->url,
             ],
@@ -141,7 +138,7 @@ class Controller extends \Phalcon\Mvc\Controller
         if ($this->siteInfo['enabled'] == 0) {
             $this->dispatcher->forward([
                 'controller' => 'error',
-                'action' => 'shutdown',
+                'action' => 'maintain',
                 'params' => ['message' => $this->siteInfo['closed_tips']],
             ]);
         }
diff --git a/app/Http/Desktop/Controllers/ErrorController.php b/app/Http/Desktop/Controllers/ErrorController.php
index 25b6a91d..930c413a 100644
--- a/app/Http/Desktop/Controllers/ErrorController.php
+++ b/app/Http/Desktop/Controllers/ErrorController.php
@@ -68,9 +68,9 @@ class ErrorController extends \Phalcon\Mvc\Controller
     }
 
     /**
-     * @Get("/shutdown", name="desktop.error.shutdown")
+     * @Get("/maintain", name="desktop.error.maintain")
      */
-    public function shutdownAction()
+    public function maintainAction()
     {
         $message = $this->dispatcher->getParam('message');
 
diff --git a/app/Http/Desktop/Views/error/shutdown.volt b/app/Http/Desktop/Views/error/maintain.volt
similarity index 100%
rename from app/Http/Desktop/Views/error/shutdown.volt
rename to app/Http/Desktop/Views/error/maintain.volt
diff --git a/app/Http/Desktop/Views/user/show.volt b/app/Http/Desktop/Views/user/show.volt
index 9a6b107f..9772f16b 100644
--- a/app/Http/Desktop/Views/user/show.volt
+++ b/app/Http/Desktop/Views/user/show.volt
@@ -29,7 +29,7 @@
         </div>
         <div class="info">
             <p><span class="name">{{ user.name }}</span><span>{{ gender_info(user.gender) }}</span></p>
-            <p><span><i class="layui-icon layui-icon-location"></i></span><span>{{ user.location }}</span></p>
+            <p><span><i class="layui-icon layui-icon-location"></i></span><span>{{ user.area }}</span></p>
             <p><span><i class="layui-icon layui-icon-time"></i></span><span>{{ date('Y-m-d H:i',user.active_time) }}</span></p>
         </div>
         {% if user.about %}
diff --git a/app/Library/Helper.php b/app/Library/Helper.php
index 05f550b4..0ee934f5 100644
--- a/app/Library/Helper.php
+++ b/app/Library/Helper.php
@@ -125,9 +125,8 @@ function kg_site_base_url()
 {
     $scheme = filter_input(INPUT_SERVER, 'REQUEST_SCHEME');
     $host = filter_input(INPUT_SERVER, 'HTTP_HOST');
-    $path = filter_input(INPUT_SERVER, 'SCRIPT_NAME');
 
-    return "{$scheme}://{$host}" . rtrim(dirname($path), '/');
+    return sprintf('%s://%s', $scheme, $host);
 }
 
 /**
@@ -184,9 +183,10 @@ function kg_ci_base_url()
  * 获取数据万象URL
  *
  * @param string $path
+ * @param string $style
  * @return string
  */
-function kg_ci_img_url($path)
+function kg_ci_img_url($path, $style = null)
 {
     if (!$path) return '';
 
@@ -196,33 +196,35 @@ function kg_ci_img_url($path)
 
     $storage = new StorageService();
 
-    return $storage->getCiImageUrl($path);
+    return $storage->getCiImageUrl($path, $style);
 }
 
 /**
  * 获取头像数据万象URL
  *
  * @param string $path
+ * @param string $style
  * @return string
  */
-function kg_ci_avatar_img_url($path)
+function kg_ci_avatar_img_url($path, $style = null)
 {
     $path = $path ?: kg_default_avatar_path();
 
-    return kg_ci_img_url($path);
+    return kg_ci_img_url($path, $style);
 }
 
 /**
  * 获取封面数据万象URL
  *
  * @param string $path
+ * @param string $style
  * @return string
  */
-function kg_ci_cover_img_url($path)
+function kg_ci_cover_img_url($path, $style = null)
 {
     $path = $path ?: kg_default_cover_path();
 
-    return kg_ci_img_url($path);
+    return kg_ci_img_url($path, $style);
 }
 
 /**
@@ -347,17 +349,6 @@ function kg_duration($time, $mode = 'simple')
     return $result;
 }
 
-/**
- * 判断是否有路由权限
- *
- * @param string $route
- * @return bool
- */
-function kg_can($route = null)
-{
-    return true;
-}
-
 /**
  * 构造icon路径
  *
@@ -370,7 +361,7 @@ function kg_icon_link($path, $local = true, $version = null)
 {
     $href = kg_static_url($path, $local, $version);
 
-    return '<link rel="shortcut icon" href="' . $href . '" />' . PHP_EOL;
+    return sprintf('<link rel="shortcut icon" href="%s">', $href);
 }
 
 /**
@@ -385,7 +376,7 @@ function kg_css_link($path, $local = true, $version = null)
 {
     $href = kg_static_url($path, $local, $version);
 
-    return '<link rel="stylesheet" type="text/css" href="' . $href . '" />' . PHP_EOL;
+    return sprintf('<link rel="stylesheet" type="text/css" href="%s">', $href);
 }
 
 /**
@@ -400,7 +391,7 @@ function kg_js_include($path, $local = true, $version = null)
 {
     $src = kg_static_url($path, $local, $version);
 
-    return '<script type="text/javascript" src="' . $src . '"></script>' . PHP_EOL;
+    return sprintf('<script type="text/javascript" src="%s"></script>', $src);
 }
 
 /**
diff --git a/app/Library/Logger.php b/app/Library/Logger.php
index a4e61293..38824ecf 100644
--- a/app/Library/Logger.php
+++ b/app/Library/Logger.php
@@ -17,9 +17,11 @@ class Logger
     {
         $config = Di::getDefault()->get('config');
 
-        $channel = $channel ? $channel . '-' : '';
+        $channel = $channel ? $channel : 'common';
 
-        $path = log_path() . '/' . $channel . date('Y-m-d') . '.log';
+        $filename = sprintf('%s-%s.log', $channel, date('Y-m-d'));
+
+        $path = log_path($filename);
 
         $level = $config->env != ENV_DEV ? $config->log->level : PhalconLogger::DEBUG;
 
diff --git a/app/Models/Chapter.php b/app/Models/Chapter.php
index 8f84140d..b6153288 100644
--- a/app/Models/Chapter.php
+++ b/app/Models/Chapter.php
@@ -100,7 +100,7 @@ class Chapter extends Model
     /**
      * 模式类型
      *
-     * @var string
+     * @var int
      */
     public $model;
 
diff --git a/app/Models/Course.php b/app/Models/Course.php
index a8b1978f..0a82e12b 100644
--- a/app/Models/Course.php
+++ b/app/Models/Course.php
@@ -147,14 +147,14 @@ class Course extends Model
     /**
      * 模式类型
      *
-     * @var string
+     * @var int
      */
     public $model;
 
     /**
      * 难度级别
      *
-     * @var string
+     * @var int
      */
     public $level;
 
diff --git a/app/Models/ImGroup.php b/app/Models/ImGroup.php
index 488e3329..eba27c47 100644
--- a/app/Models/ImGroup.php
+++ b/app/Models/ImGroup.php
@@ -40,7 +40,7 @@ class ImGroup extends Model
     /**
      * 群组类型
      *
-     * @var string
+     * @var int
      */
     public $type;
 
diff --git a/app/Models/ImMessage.php b/app/Models/ImMessage.php
index 055abd86..b369d4ff 100644
--- a/app/Models/ImMessage.php
+++ b/app/Models/ImMessage.php
@@ -44,7 +44,7 @@ class ImMessage extends Model
     /**
      * 接收方类型
      *
-     * @var string
+     * @var int
      */
     public $receiver_type;
 
diff --git a/app/Models/ImNotice.php b/app/Models/ImNotice.php
index a4b294c1..0db34ae9 100644
--- a/app/Models/ImNotice.php
+++ b/app/Models/ImNotice.php
@@ -7,13 +7,6 @@ use Phalcon\Mvc\Model\Behavior\SoftDelete;
 class ImNotice extends Model
 {
 
-    /**
-     * 请求状态
-     */
-    const REQUEST_PENDING = 'pending'; // 待处理
-    const REQUEST_ACCEPTED = 'accepted'; // 已接受
-    const REQUEST_REFUSED = 'refused'; // 已拒绝
-
     /**
      * 通知类型
      */
@@ -117,8 +110,6 @@ class ImNotice extends Model
 
         if (!empty($this->item_info)) {
             $this->item_info = kg_json_encode($this->item_info);
-        } else {
-            $this->item_info = '';
         }
     }
 
@@ -126,14 +117,14 @@ class ImNotice extends Model
     {
         $this->update_time = time();
 
-        if (is_array($this->item_info) && !empty($this->item_info)) {
+        if (is_array($this->item_info)) {
             $this->item_info = kg_json_encode($this->item_info);
         }
     }
 
     public function afterFetch()
     {
-        if (!empty($this->item_info)) {
+        if (!empty($this->item_info) && is_string($this->item_info)) {
             $this->item_info = json_decode($this->item_info, true);
         }
     }
diff --git a/app/Models/Task.php b/app/Models/Task.php
index b7039d9c..e9b11c45 100644
--- a/app/Models/Task.php
+++ b/app/Models/Task.php
@@ -36,14 +36,14 @@ class Task extends Model
     /**
      * 条目编号
      *
-     * @var string
+     * @var int
      */
     public $item_id;
 
     /**
      * 条目类型
      *
-     * @var string
+     * @var int
      */
     public $item_type;
 
diff --git a/app/Models/User.php b/app/Models/User.php
index 5662ed02..5f5edb5a 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -59,11 +59,11 @@ class User extends Model
     public $about;
 
     /**
-     * 所在地
+     * 地区
      *
      * @var string
      */
-    public $location;
+    public $area;
 
     /**
      * 性别
@@ -72,20 +72,6 @@ class User extends Model
      */
     public $gender;
 
-    /**
-     * 教学角色
-     *
-     * @var int
-     */
-    public $edu_role;
-
-    /**
-     * 后台角色
-     *
-     * @var int
-     */
-    public $admin_role;
-
     /**
      * 会员标识
      *
@@ -107,6 +93,20 @@ class User extends Model
      */
     public $deleted;
 
+    /**
+     * 教学角色
+     *
+     * @var int
+     */
+    public $edu_role;
+
+    /**
+     * 后台角色
+     *
+     * @var int
+     */
+    public $admin_role;
+
     /**
      * 课程数
      *
diff --git a/app/Providers/Volt.php b/app/Providers/Volt.php
index 22f891c1..bb786e46 100644
--- a/app/Providers/Volt.php
+++ b/app/Providers/Volt.php
@@ -54,10 +54,6 @@ class Volt extends Provider
                 return 'kg_substr(' . $resolvedArgs . ')';
             });
 
-            $compiler->addFunction('can', function ($resolvedArgs) {
-                return 'kg_can(' . $resolvedArgs . ')';
-            });
-
             $compiler->addFilter('duration', function ($resolvedArgs) {
                 return 'kg_duration(' . $resolvedArgs . ')';
             });
diff --git a/app/Services/Frontend/My/ProfileInfo.php b/app/Services/Frontend/My/ProfileInfo.php
index a2872601..1486f3bd 100644
--- a/app/Services/Frontend/My/ProfileInfo.php
+++ b/app/Services/Frontend/My/ProfileInfo.php
@@ -19,7 +19,7 @@ class ProfileInfo extends FrontendService
     {
         $user->avatar = kg_ci_img_url($user->avatar);
 
-        $area = $this->handleArea($user->location);
+        $user->area = $this->handleArea($user->area);
 
         return [
             'id' => $user->id,
@@ -27,9 +27,8 @@ class ProfileInfo extends FrontendService
             'avatar' => $user->avatar,
             'title' => $user->title,
             'about' => $user->about,
+            'area' => $user->area,
             'gender' => $user->gender,
-            'location' => $user->location,
-            'area' => $area,
             'vip' => $user->vip,
             'locked' => $user->locked,
             'vip_expiry_time' => $user->vip_expiry_time,
@@ -39,9 +38,9 @@ class ProfileInfo extends FrontendService
         ];
     }
 
-    protected function handleArea($location)
+    protected function handleArea($area)
     {
-        $area = explode('/', $location);
+        $area = explode('/', $area);
 
         return [
             'province' => $area[0] ?? '',
diff --git a/app/Services/Frontend/My/ProfileUpdate.php b/app/Services/Frontend/My/ProfileUpdate.php
index 9d519ede..722589fe 100644
--- a/app/Services/Frontend/My/ProfileUpdate.php
+++ b/app/Services/Frontend/My/ProfileUpdate.php
@@ -31,7 +31,7 @@ class ProfileUpdate extends FrontendService
         }
 
         if (!empty($post['area'])) {
-            $data['location'] = $validator->checkArea($post['area']);
+            $data['area'] = $validator->checkArea($post['area']);
         }
 
         if (!empty($post['about'])) {
diff --git a/app/Services/Frontend/Order/OrderCreate.php b/app/Services/Frontend/Order/OrderCreate.php
index d7762b79..90ee6067 100644
--- a/app/Services/Frontend/Order/OrderCreate.php
+++ b/app/Services/Frontend/Order/OrderCreate.php
@@ -59,12 +59,6 @@ class OrderCreate extends FrontendService
 
             $order = $this->createPackageOrder($package, $user);
 
-        } elseif ($post['item_type'] == OrderModel::ITEM_VIP) {
-
-            $vip = $validator->checkVip($post['item_id']);
-
-            $order = $this->createVipOrder($vip, $user);
-
         } elseif ($post['item_type'] == OrderModel::ITEM_REWARD) {
 
             list($courseId, $rewardId) = explode('-', $post['item_id']);
@@ -73,6 +67,12 @@ class OrderCreate extends FrontendService
             $reward = $validator->checkReward($rewardId);
 
             $order = $this->createRewardOrder($course, $reward, $user);
+
+        } elseif ($post['item_type'] == OrderModel::ITEM_VIP) {
+
+            $vip = $validator->checkVip($post['item_id']);
+
+            $order = $this->createVipOrder($vip, $user);
         }
 
         $this->incrUserDailyOrderCount($user);
@@ -186,7 +186,7 @@ class OrderCreate extends FrontendService
         $order = new OrderModel();
 
         $order->owner_id = $user->id;
-        $order->item_id = "{$course->id}-{$reward->id}";
+        $order->item_id = $course->id;
         $order->item_type = OrderModel::ITEM_REWARD;
         $order->item_info = $itemInfo;
         $order->client_type = $this->getClientType();
diff --git a/app/Services/Frontend/Search/User.php b/app/Services/Frontend/Search/User.php
index 17475cfc..1bc4b312 100644
--- a/app/Services/Frontend/Search/User.php
+++ b/app/Services/Frontend/Search/User.php
@@ -64,7 +64,7 @@ class User extends FrontendService
                 'about' => $item['about'],
                 'vip' => (int)$item['vip'],
                 'gender' => (int)$item['gender'],
-                'location' => $item['location'],
+                'area' => $item['area'],
             ];
         }
 
diff --git a/app/Services/Frontend/Teacher/TeacherInfo.php b/app/Services/Frontend/Teacher/TeacherInfo.php
index 516636a7..f2e8eb10 100644
--- a/app/Services/Frontend/Teacher/TeacherInfo.php
+++ b/app/Services/Frontend/Teacher/TeacherInfo.php
@@ -2,37 +2,17 @@
 
 namespace App\Services\Frontend\Teacher;
 
-use App\Models\User as UserModel;
 use App\Services\Frontend\Service as FrontendService;
-use App\Services\Frontend\UserTrait;
+use App\Services\Frontend\User\UserInfo as UserInfoService;
 
 class TeacherInfo extends FrontendService
 {
 
-    use UserTrait;
-
     public function getUser($id)
     {
-        $user = $this->checkUser($id);
+        $service = new UserInfoService();
 
-        return $this->handleUser($user);
-    }
-
-    protected function handleUser(UserModel $user)
-    {
-        $user->avatar = kg_ci_img_url($user->avatar);
-
-        return [
-            'id' => $user->id,
-            'name' => $user->name,
-            'avatar' => $user->avatar,
-            'title' => $user->title,
-            'about' => $user->about,
-            'location' => $user->location,
-            'gender' => $user->gender,
-            'vip' => $user->vip,
-            'locked' => $user->locked,
-        ];
+        return $service->handle($id);
     }
 
 }
diff --git a/app/Services/Frontend/User/UserInfo.php b/app/Services/Frontend/User/UserInfo.php
index 48b0ccda..a6528198 100644
--- a/app/Services/Frontend/User/UserInfo.php
+++ b/app/Services/Frontend/User/UserInfo.php
@@ -31,7 +31,7 @@ class UserInfo extends FrontendService
             'avatar' => $user->avatar,
             'title' => $user->title,
             'about' => $user->about,
-            'location' => $user->location,
+            'area' => $user->area,
             'gender' => $user->gender,
             'vip' => $user->vip,
             'locked' => $user->locked,
diff --git a/app/Services/Search/UserDocument.php b/app/Services/Search/UserDocument.php
index 5c9a8a4f..795b7fca 100644
--- a/app/Services/Search/UserDocument.php
+++ b/app/Services/Search/UserDocument.php
@@ -40,7 +40,7 @@ class UserDocument extends Component
             'avatar' => $user->avatar,
             'about' => $user->about,
             'gender' => $user->gender,
-            'location' => $user->location,
+            'area' => $user->area,
             'vip' => $user->vip,
         ];
     }
diff --git a/app/Services/Storage.php b/app/Services/Storage.php
index b5a3c162..10261364 100644
--- a/app/Services/Storage.php
+++ b/app/Services/Storage.php
@@ -144,11 +144,14 @@ class Storage extends Service
      *  获取数据万象图片URL
      *
      * @param string $key
+     * @param string $style
      * @return string
      */
-    public function getCiImageUrl($key)
+    public function getCiImageUrl($key, $style = null)
     {
-        return $this->getCiBaseUrl() . $key;
+        $style = $style ?: '';
+
+        return $this->getCiBaseUrl() . $key . $style;
     }
 
     /**
@@ -161,7 +164,7 @@ class Storage extends Service
         $protocol = $this->settings['bucket_protocol'];
         $domain = $this->settings['bucket_domain'];
 
-        return $protocol . '://' . $domain;
+        return sprintf('%s://%s', $protocol, trim($domain, '/'));
     }
 
     /**
@@ -174,7 +177,7 @@ class Storage extends Service
         $protocol = $this->settings['ci_protocol'];
         $domain = $this->settings['ci_domain'];
 
-        return $protocol . '://' . $domain;
+        return sprintf('%s://%s', $protocol, trim($domain, '/'));
     }
 
     /**
diff --git a/public/static/desktop/js/im.js b/public/static/desktop/js/im.js
index e2fe3113..dcf0d919 100644
--- a/public/static/desktop/js/im.js
+++ b/public/static/desktop/js/im.js
@@ -50,9 +50,9 @@ layui.use(['jquery', 'layim'], function () {
         members: {
             url: '/im/group/users'
         },
-        maxLength: 1000,
         msgbox: '/im/msgbox',
-        chatLog: '/im/chatlog'
+        chatLog: '/im/chatlog',
+        maxLength: 1000
     });
 
     layim.on('ready', function (options) {