朋友圈发布评论可发布空格问题处理

app/enterprise/controller/Posts.php

@@ -458,6 +458,7 @@ class Posts extends BaseController
             return error(lang('system.fail'));
         }
         $content = $this->request->param('content');
+        $content = trim($content);
         if (empty($content)) {
             return error(lang('system.fail'));
         }