提示评论不能为空

app/enterprise/controller/Posts.php

@@ -528,7 +528,7 @@ class Posts extends BaseController
         $content = $this->request->param('content');
         $content = trim($content);
         if (empty($content)) {
-            return error(lang('system.fail'));
+            return error(lang('posts.commentEmpty'));
         }
 
         $detectionRes = $this->detectionProcessingText($content, 2);

app/lang/en_us.php

@@ -169,6 +169,7 @@ return [
         'cancel_like' => 'Cancel likes',
         'img_max_length' => 'Up to 9 images can be uploaded',
         'comment_del' => 'This comment has been deleted',
+        'commentEmpty' => 'Your comment cannot be empty',
         'postsDel' => 'This content has been deleted',
         'msgContentLimit' => 'The length of the content you entered is too long',
     ]

app/lang/zh_cn.php

@@ -168,6 +168,7 @@ return [
         'cancel_like' => '取消点赞',
         'img_max_length' => '图片最多上传9张',
         'comment_del' => '此条评论已被删除',
+        'commentEmpty' => '您的评论不能为空',
         'postsDel' => '该内容已被删除',
         'msgContentLimit' => '你输入的内容长度太长了！',
     ]