Merge branch 'develop'

app/Repositories/MessageRuleRepository.php

@@ -52,7 +52,7 @@ class MessageRuleRepository
     public function create($request)
     {
         $post_type = '';
-        if($request['message_show_type'] == 'post'){
+        if(isset($request['message_show_type']) && $request['message_show_type'] == 'post'){
             //查看内容的类型
             $post_type = $this->getPostType($request['activity_url']);
             if(!$post_type){