diff --git a/README.md b/README.md
index ab9a896a..d5c5d229 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ## 酷瓜云课堂
 
-![酷瓜云课堂](https://portal-1255691183.file.myqcloud.com/img/content/61dd395c053e5.png)
+[![酷瓜云课堂-开源知识付费解决方案](https://portal-1255691183.file.myqcloud.com/img/content/63ec392618bd5.png)](https://www.koogua.com)
 
 ### 系统介绍
 
@@ -63,4 +63,4 @@ Tips: 请用手机注册一个新账号，用户中心 -> 关注订阅，扫码
 
 - [码云平台](https://gitee.com/koogua/course-tencent-cloud/issues)
 - [官方社区](https://www.koogua.com/community)
-- QQ交流群: 788459713
+- QQ交流群: 787363898
diff --git a/app/Http/Admin/Services/Article.php b/app/Http/Admin/Services/Article.php
index a09a1e07..dc5b1cbe 100644
--- a/app/Http/Admin/Services/Article.php
+++ b/app/Http/Admin/Services/Article.php
@@ -9,10 +9,8 @@ namespace App\Http\Admin\Services;
 
 use App\Builders\ArticleList as ArticleListBuilder;
 use App\Builders\ReportList as ReportListBuilder;
-use App\Caches\Article as ArticleCache;
 use App\Http\Admin\Services\Traits\AccountSearchTrait;
 use App\Library\Paginator\Query as PagerQuery;
-use App\Library\Utils\Word as WordUtil;
 use App\Models\Article as ArticleModel;
 use App\Models\Category as CategoryModel;
 use App\Models\Reason as ReasonModel;
@@ -137,7 +135,6 @@ class Article extends Service
         $article->create();
 
         $this->saveDynamicAttrs($article);
-        $this->rebuildArticleCache($article);
         $this->rebuildArticleIndex($article);
         $this->recountUserArticles($user);
 
@@ -208,7 +205,6 @@ class Article extends Service
         $owner = $this->findUser($article->owner_id);
 
         $this->saveDynamicAttrs($article);
-        $this->rebuildArticleCache($article);
         $this->rebuildArticleIndex($article);
         $this->recountUserArticles($owner);
 
@@ -228,7 +224,6 @@ class Article extends Service
         $owner = $this->findUser($article->owner_id);
 
         $this->saveDynamicAttrs($article);
-        $this->rebuildArticleCache($article);
         $this->rebuildArticleIndex($article);
         $this->recountUserArticles($owner);
 
@@ -248,7 +243,6 @@ class Article extends Service
         $owner = $this->findUser($article->owner_id);
 
         $this->saveDynamicAttrs($article);
-        $this->rebuildArticleCache($article);
         $this->rebuildArticleIndex($article);
         $this->recountUserArticles($owner);
 
@@ -287,7 +281,6 @@ class Article extends Service
 
         $owner = $this->findUser($article->owner_id);
 
-        $this->rebuildArticleCache($article);
         $this->rebuildArticleIndex($article);
         $this->recountUserArticles($owner);
 
@@ -323,7 +316,6 @@ class Article extends Service
 
         $owner = $this->findUser($article->owner_id);
 
-        $this->rebuildArticleCache($article);
         $this->rebuildArticleIndex($article);
         $this->recountUserArticles($owner);
     }
@@ -362,7 +354,6 @@ class Article extends Service
             $owner = $this->findUser($article->owner_id);
 
             $this->recountUserArticles($owner);
-            $this->rebuildArticleCache($article);
             $this->rebuildArticleIndex($article);
         }
     }
@@ -389,7 +380,6 @@ class Article extends Service
             $owner = $this->findUser($article->owner_id);
 
             $this->recountUserArticles($owner);
-            $this->rebuildArticleCache($article);
             $this->rebuildArticleIndex($article);
         }
     }
@@ -408,13 +398,6 @@ class Article extends Service
         return $userRepo->findById($id);
     }
 
-    protected function rebuildArticleCache(ArticleModel $article)
-    {
-        $cache = new ArticleCache();
-
-        $cache->rebuild($article->id);
-    }
-
     protected function rebuildArticleIndex(ArticleModel $article)
     {
         $sync = new ArticleIndexSync();
diff --git a/app/Http/Admin/Services/Question.php b/app/Http/Admin/Services/Question.php
index fd9552f0..d7acfbe7 100644
--- a/app/Http/Admin/Services/Question.php
+++ b/app/Http/Admin/Services/Question.php
@@ -131,7 +131,6 @@ class Question extends Service
         $question->create();
 
         $this->saveDynamicAttrs($question);
-        $this->rebuildQuestionCache($question);
         $this->rebuildQuestionIndex($question);
         $this->recountUserQuestions($user);
 
@@ -195,7 +194,6 @@ class Question extends Service
         $owner = $this->findUser($question->owner_id);
 
         $this->saveDynamicAttrs($question);
-        $this->rebuildQuestionCache($question);
         $this->rebuildQuestionIndex($question);
         $this->recountUserQuestions($owner);
 
@@ -219,7 +217,6 @@ class Question extends Service
         $owner = $this->findUser($question->owner_id);
 
         $this->saveDynamicAttrs($question);
-        $this->rebuildQuestionCache($question);
         $this->rebuildQuestionIndex($question);
         $this->recountUserQuestions($owner);
 
@@ -238,7 +235,6 @@ class Question extends Service
 
         $owner = $this->findUser($question->owner_id);
 
-        $this->rebuildQuestionCache($question);
         $this->rebuildQuestionIndex($question);
         $this->recountUserQuestions($owner);
 
@@ -278,7 +274,6 @@ class Question extends Service
         $owner = $this->findUser($question->owner_id);
 
         $this->recountUserQuestions($owner);
-        $this->rebuildQuestionCache($question);
         $this->rebuildQuestionIndex($question);
 
         return $question;
@@ -313,7 +308,6 @@ class Question extends Service
 
         $owner = $this->findUser($question->owner_id);
 
-        $this->rebuildQuestionCache($question);
         $this->rebuildQuestionIndex($question);
         $this->recountUserQuestions($owner);
     }
@@ -352,7 +346,6 @@ class Question extends Service
             $owner = $this->findUser($question->owner_id);
 
             $this->recountUserQuestions($owner);
-            $this->rebuildQuestionCache($question);
             $this->rebuildQuestionIndex($question);
         }
     }
@@ -379,7 +372,6 @@ class Question extends Service
             $owner = $this->findUser($question->owner_id);
 
             $this->recountUserQuestions($owner);
-            $this->rebuildQuestionCache($question);
             $this->rebuildQuestionIndex($question);
         }
     }
@@ -398,13 +390,6 @@ class Question extends Service
         return $userRepo->findById($id);
     }
 
-    protected function rebuildQuestionCache(QuestionModel $question)
-    {
-        $cache = new QuestionCache();
-
-        $cache->rebuild($question->id);
-    }
-
     protected function rebuildQuestionIndex(QuestionModel $question)
     {
         $sync = new QuestionIndexSync();
diff --git a/bootstrap/ConsoleErrorHandler.php b/bootstrap/ConsoleErrorHandler.php
index 6eb0f9ab..44a83dc4 100644
--- a/bootstrap/ConsoleErrorHandler.php
+++ b/bootstrap/ConsoleErrorHandler.php
@@ -8,7 +8,6 @@
 namespace Bootstrap;
 
 use App\Library\Logger as AppLogger;
-use Phalcon\Logger\Adapter\File as PhLogger;
 use Throwable;
 
 class ConsoleErrorHandler extends ErrorHandler
@@ -44,9 +43,6 @@ class ConsoleErrorHandler extends ErrorHandler
         echo $content . PHP_EOL;
     }
 
-    /**
-     * @return PhLogger
-     */
     protected function getLogger()
     {
         $logger = new AppLogger();