diff --git a/app/enterprise/controller/Posts.php b/app/enterprise/controller/Posts.php
index bc51eea..096c616 100644
--- a/app/enterprise/controller/Posts.php
+++ b/app/enterprise/controller/Posts.php
@@ -423,7 +423,7 @@ class Posts extends BaseController
             return error(lang('system.fail'));
         }
         $reply_user_id = PostsModel::where('id', $posts_id)->value('user_id');
-        if (!empty($reply_user_id)) {
+        if (empty($reply_user_id)) {
             return error(lang('system.fail'));
         }