diff --git a/app/Console/Tasks/MaintainTask.php b/app/Console/Tasks/MaintainTask.php
index 4b526448..f360db8f 100644
--- a/app/Console/Tasks/MaintainTask.php
+++ b/app/Console/Tasks/MaintainTask.php
@@ -5,10 +5,19 @@ namespace App\Console\Tasks;
 use App\Caches\IndexFreeCourseList as IndexFreeCourseListCache;
 use App\Caches\IndexNewCourseList as IndexNewCourseListCache;
 use App\Caches\IndexVipCourseList as IndexVipCourseListCache;
+use App\Http\Admin\Services\Setting as SettingService;
+use App\Library\Utils\Password as PasswordUtil;
+use App\Validators\Account as AccountValidator;
 
 class MaintainTask extends Task
 {
 
+    /**
+     * 重建首页课程缓存
+     *
+     * @param array $params
+     * @command: php console.php maintain reset_index_course_cache
+     */
     public function rebuildIndexCourseCacheAction($params)
     {
         $section = $params[0] ?? null;
@@ -29,4 +38,63 @@ class MaintainTask extends Task
         }
     }
 
+    /**
+     * 修改密码
+     *
+     * @param array $params
+     * @command: php console.php maintain reset_password 13507083515 123456
+     */
+    public function resetPasswordAction($params)
+    {
+        if (empty($params[0])) {
+            echo 'account is required' . PHP_EOL;
+        }
+
+        if (empty($params[1])) {
+            echo 'password is required' . PHP_EOL;
+        }
+
+        $validator = new AccountValidator();
+
+        $account = $validator->checkAccount($params[0]);
+
+        $salt = PasswordUtil::salt();
+        $hash = PasswordUtil::hash($params[1], $salt);
+
+        $account->salt = $salt;
+        $account->password = $hash;
+
+        $account->update();
+
+        echo 'reset password success' . PHP_EOL;
+    }
+
+    /**
+     * 关闭验证码
+     *
+     * @command: php console.php maintain disable_captcha
+     */
+    public function disableCaptchaAction()
+    {
+        $service = new SettingService();
+
+        $service->updateSettings('captcha', ['enabled' => 0]);
+
+        echo 'disable captcha success' . PHP_EOL;
+    }
+
+    /**
+     * 启用验证码
+     *
+     * @command: php console.php maintain enable_captcha
+     */
+    public function enableCaptchaAction()
+    {
+        $service = new SettingService();
+
+        $service->updateSettings('captcha', ['enabled' => 1]);
+
+        echo 'enable captcha success' . PHP_EOL;
+    }
+
 }
diff --git a/app/Console/Tasks/VodEventTask.php b/app/Console/Tasks/VodEventTask.php
index c51e0c1d..0189960b 100644
--- a/app/Console/Tasks/VodEventTask.php
+++ b/app/Console/Tasks/VodEventTask.php
@@ -28,6 +28,8 @@ class VodEventTask extends Task
                 $this->handleNewFileUploadEvent($event);
             } elseif ($event['EventType'] == 'ProcedureStateChanged') {
                 $this->handleProcedureStateChangedEvent($event);
+            } elseif ($event['EventType'] == 'FileDeleted') {
+                $this->handleFileDeletedEvent($event);
             }
 
             $count++;
@@ -123,6 +125,11 @@ class VodEventTask extends Task
         $chapter->update(['attrs' => $attrs]);
     }
 
+    protected function handleFileDeletedEvent($event)
+    {
+
+    }
+
     protected function pullEvents()
     {
         $vodService = new VodService();
diff --git a/app/Http/Admin/Services/ChapterContent.php b/app/Http/Admin/Services/ChapterContent.php
index 665992bf..f02962d1 100644
--- a/app/Http/Admin/Services/ChapterContent.php
+++ b/app/Http/Admin/Services/ChapterContent.php
@@ -10,6 +10,7 @@ use App\Repos\Chapter as ChapterRepo;
 use App\Repos\Course as CourseRepo;
 use App\Services\ChapterVod as ChapterVodService;
 use App\Services\CourseStat as CourseStatService;
+use App\Services\Vod as VodService;
 use App\Validators\ChapterLive as ChapterLiveValidator;
 use App\Validators\ChapterRead as ChapterReadValidator;
 use App\Validators\ChapterVod as ChapterVodValidator;
@@ -100,9 +101,11 @@ class ChapterContent extends Service
 
         $chapter->update(['attrs' => $attrs]);
 
-        $courseStats = new CourseStatService();
+        $this->updateCourseVodAttrs($vod->course_id);
 
-        $courseStats->updateVodAttrs($chapter->course_id);
+        if (!empty($vod->file_id)) {
+            $this->deleteVodFile($vod->file_id);
+        }
     }
 
     protected function updateChapterLive(ChapterModel $chapter)
@@ -135,9 +138,7 @@ class ChapterContent extends Service
 
         $chapter->update(['attrs' => $attrs]);
 
-        $courseStats = new CourseStatService();
-
-        $courseStats->updateLiveAttrs($chapter->course_id);
+        $this->updateCourseLiveAttrs($live->course_id);
     }
 
     protected function updateChapterRead(ChapterModel $chapter)
@@ -164,9 +165,35 @@ class ChapterContent extends Service
 
         $chapter->update(['attrs' => $attrs]);
 
-        $courseStats = new CourseStatService();
+        $this->updateCourseReadAttrs($read->course_id);
+    }
 
-        $courseStats->updateReadAttrs($chapter->course_id);
+    protected function updateCourseVodAttrs($courseId)
+    {
+        $statService = new CourseStatService();
+
+        $statService->updateVodAttrs($courseId);
+    }
+
+    protected function updateCourseLiveAttrs($courseId)
+    {
+        $statService = new CourseStatService();
+
+        $statService->updateLiveAttrs($courseId);
+    }
+
+    protected function updateCourseReadAttrs($courseId)
+    {
+        $statService = new CourseStatService();
+
+        $statService->updateReadAttrs($courseId);
+    }
+
+    protected function deleteVodFile($fileId)
+    {
+        $vodService = new VodService();
+
+        $vodService->deleteMedia($fileId);
     }
 
     protected function rebuildCatalogCache(ChapterModel $chapter)
diff --git a/app/Http/Admin/Views/public/login.volt b/app/Http/Admin/Views/public/login.volt
index d2afecea..9b51cbd7 100644
--- a/app/Http/Admin/Views/public/login.volt
+++ b/app/Http/Admin/Views/public/login.volt
@@ -2,6 +2,9 @@
 
 {% block content %}
 
+    {% set disabled_submit = captcha.enabled == 1 ? 'disabled="disabled"' : '' %}
+    {% set disabled_class = captcha.enabled == 1 ? 'layui-btn-disabled' : '' %}
+
     <div class="kg-login-wrap">
         <div class="layui-card">
             <div class="layui-card-header">管理登录</div>
@@ -26,8 +29,8 @@
                     {% endif %}
                     <div class="layui-form-item">
                         <div class="layui-input-block">
-                            {% set disabled = captcha.enabled ? 'disabled="disabled"' : '' %}
-                            <button id="submit-btn" class="layui-btn layui-btn-fluid layui-btn-disabled" {{ disabled }} lay-submit="true" lay-filter="go">立即登录</button>
+
+                            <button id="submit-btn" class="layui-btn layui-btn-fluid {{ disabled_class }}" {{ disabled_submit }} lay-submit="true" lay-filter="go">立即登录</button>
                             <input type="hidden" name="ticket">
                             <input type="hidden" name="rand">
                         </div>
diff --git a/app/Http/Admin/Views/setting/vod.volt b/app/Http/Admin/Views/setting/vod.volt
index fc8b7d55..9017d7a2 100644
--- a/app/Http/Admin/Views/setting/vod.volt
+++ b/app/Http/Admin/Views/setting/vod.volt
@@ -113,7 +113,7 @@
         <div class="layui-form-item">
             <label class="layui-form-label">请求方法</label>
             <div class="layui-input-block">
-                <input class="layui-input" type="text" name="file" value="DescribeAudioTrackTemplates" readonly="readonly">
+                <input class="layui-input" type="text" name="file" value="DescribeTranscodeTemplates" readonly="readonly">
             </div>
         </div>
         <div class="layui-form-item">
diff --git a/app/Services/Live.php b/app/Services/Live.php
index 539a24be..fc0f08ad 100644
--- a/app/Services/Live.php
+++ b/app/Services/Live.php
@@ -271,7 +271,7 @@ class Live extends Service
 
         return http_build_query([
             'txSecret' => $txSecret,
-            'txTime' => $txTime
+            'txTime' => $txTime,
         ]);
     }
 
diff --git a/app/Services/Smser.php b/app/Services/Smser.php
index 6a4d2efd..d0b26985 100644
--- a/app/Services/Smser.php
+++ b/app/Services/Smser.php
@@ -37,6 +37,8 @@ Abstract class Smser extends Service
     {
         $sender = $this->createSingleSender();
 
+        $params = $this->formatParams($params);
+
         $signature = $this->getSignature();
 
         try {
@@ -71,6 +73,17 @@ Abstract class Smser extends Service
         return new SmsSingleSender($this->settings['app_id'], $this->settings['app_key']);
     }
 
+    protected function formatParams($params)
+    {
+        if (!empty($params)) {
+            $params = array_map(function ($value) {
+                return strval($value);
+            }, $params);
+        }
+
+        return $params;
+    }
+
     protected function getTemplateId($code)
     {
         $template = json_decode($this->settings['template'], true);
diff --git a/app/Services/Storage.php b/app/Services/Storage.php
index 1f723851..cb7e4d31 100644
--- a/app/Services/Storage.php
+++ b/app/Services/Storage.php
@@ -173,7 +173,7 @@ class Storage extends Service
      */
     protected function generateFileName($extension = '', $prefix = '')
     {
-        $randName = date('YmdHis') . rand(1000, 9999);
+        $randName = date('YmdHis') . rand(100, 999) . rand(100, 999);
 
         return $prefix . $randName . '.' . $extension;
     }
diff --git a/app/Services/Vod.php b/app/Services/Vod.php
index 82f50680..d30351bd 100644
--- a/app/Services/Vod.php
+++ b/app/Services/Vod.php
@@ -8,9 +8,10 @@ use TencentCloud\Common\Exception\TencentCloudSDKException;
 use TencentCloud\Common\Profile\ClientProfile;
 use TencentCloud\Common\Profile\HttpProfile;
 use TencentCloud\Vod\V20180717\Models\ConfirmEventsRequest;
-use TencentCloud\Vod\V20180717\Models\DescribeAudioTrackTemplatesRequest;
+use TencentCloud\Vod\V20180717\Models\DeleteMediaRequest;
 use TencentCloud\Vod\V20180717\Models\DescribeMediaInfosRequest;
 use TencentCloud\Vod\V20180717\Models\DescribeTaskDetailRequest;
+use TencentCloud\Vod\V20180717\Models\DescribeTranscodeTemplatesRequest;
 use TencentCloud\Vod\V20180717\Models\ProcessMediaRequest;
 use TencentCloud\Vod\V20180717\Models\PullEventsRequest;
 use TencentCloud\Vod\V20180717\VodClient;
@@ -53,21 +54,21 @@ class Vod extends Service
     {
         try {
 
-            $request = new DescribeAudioTrackTemplatesRequest();
+            $request = new DescribeTranscodeTemplatesRequest();
 
             $params = '{}';
 
             $request->fromJsonString($params);
 
-            $response = $this->client->DescribeAudioTrackTemplates($request);
+            $response = $this->client->DescribeTranscodeTemplates($request);
 
-            $this->logger->debug('Describe Audio Track Templates Response ' . $response->toJsonString());
+            $this->logger->debug('Describe Transcode Templates Response ' . $response->toJsonString());
 
             $result = $response->TotalCount > 0;
 
         } catch (TencentCloudSDKException $e) {
 
-            $this->logger->error('Describe Audio Track Templates Exception ' . kg_json_encode([
+            $this->logger->error('Describe Transcode Templates Exception ' . kg_json_encode([
                     'code' => $e->getErrorCode(),
                     'message' => $e->getMessage(),
                     'requestId' => $e->getRequestId(),
@@ -274,6 +275,44 @@ class Vod extends Service
         return $result;
     }
 
+    /**
+     * 删除媒体
+     *
+     * @param string $fileId
+     * @return bool
+     */
+    public function deleteMedia($fileId)
+    {
+        try {
+
+            $request = new DeleteMediaRequest();
+
+            $params = json_encode(['FileId' => $fileId]);
+
+            $request->fromJsonString($params);
+
+            $this->logger->debug('Delete Media Request ' . $params);
+
+            $response = $this->client->DeleteMedia($request);
+
+            $this->logger->debug('Delete Media Response ' . $response->toJsonString());
+
+            $result = !empty($response->RequestId);
+
+        } catch (TencentCloudSDKException $e) {
+
+            $this->logger->error('Delete Media Exception ' . kg_json_encode([
+                    'code' => $e->getErrorCode(),
+                    'message' => $e->getMessage(),
+                    'requestId' => $e->getRequestId(),
+                ]));
+
+            $result = false;
+        }
+
+        return $result;
+    }
+
     /**
      * 获取媒体信息
      *
@@ -574,7 +613,7 @@ class Vod extends Service
     {
         $result = null;
 
-        if ($this->settings['wmk_enabled'] && $this->settings['wmk_tpl_id'] > 0) {
+        if ($this->settings['wmk_enabled'] == 1 && $this->settings['wmk_tpl_id'] > 0) {
             $result = (int)$this->settings['wmk_tpl_id'];
         }
 
diff --git a/bootstrap/ConsoleErrorHandler.php b/bootstrap/ConsoleErrorHandler.php
index 3ad28acd..45060b2c 100644
--- a/bootstrap/ConsoleErrorHandler.php
+++ b/bootstrap/ConsoleErrorHandler.php
@@ -27,17 +27,13 @@ class ConsoleErrorHandler extends Component
      */
     public function handleException($e)
     {
-        $config = $this->getConfig();
-
         $logger = $this->getLogger();
 
         $content = sprintf('%s(%d): %s', $e->getFile(), $e->getLine(), $e->getMessage());
 
         $logger->error($content);
 
-        if ($config->get('env') == ENV_DEV) {
-            echo $content;
-        }
+        echo $content . PHP_EOL;
     }
 
     /**
diff --git a/db/migrations/20200827063842_init_table.php b/db/migrations/20200827063842_init_table.php
index 5547e5b3..f11f2b42 100644
--- a/db/migrations/20200827063842_init_table.php
+++ b/db/migrations/20200827063842_init_table.php
@@ -3668,10 +3668,6 @@ class InitTable extends Phinx\Migration\AbstractMigration
                 'limit' => MysqlAdapter::INT_REGULAR,
                 'after' => 'create_time',
             ])
-            ->addIndex(['item_type', 'status'], [
-                'name' => 'type_status',
-                'unique' => false,
-            ])
             ->create();
         $this->table('kg_topic', [
             'id' => false,
diff --git a/db/migrations/schema.php b/db/migrations/schema.php
index adbdfff9..b43fdd28 100644
--- a/db/migrations/schema.php
+++ b/db/migrations/schema.php
@@ -12983,39 +12983,6 @@ return array(
                                             'Index_comment' => '',
                                         ),
                                 ),
-                            'type_status' =>
-                                array(
-                                    1 =>
-                                        array(
-                                            'Table' => 'kg_task',
-                                            'Non_unique' => '1',
-                                            'Key_name' => 'type_status',
-                                            'Seq_in_index' => '1',
-                                            'Column_name' => 'item_type',
-                                            'Collation' => 'A',
-                                            'Sub_part' => NULL,
-                                            'Packed' => NULL,
-                                            'Null' => '',
-                                            'Index_type' => 'BTREE',
-                                            'Comment' => '',
-                                            'Index_comment' => '',
-                                        ),
-                                    2 =>
-                                        array(
-                                            'Table' => 'kg_task',
-                                            'Non_unique' => '1',
-                                            'Key_name' => 'type_status',
-                                            'Seq_in_index' => '2',
-                                            'Column_name' => 'status',
-                                            'Collation' => 'A',
-                                            'Sub_part' => NULL,
-                                            'Packed' => NULL,
-                                            'Null' => '',
-                                            'Index_type' => 'BTREE',
-                                            'Comment' => '',
-                                            'Index_comment' => '',
-                                        ),
-                                ),
                         ),
                     'foreign_keys' => NULL,
                 ),