diff --git a/application/common/controller/Backend.php b/application/common/controller/Backend.php
index 2522aa732abab267fb591edcee83b59bfac33a56..2a568b7573fc76a4d61ddb1c9631675c5f3075dc 100644
--- a/application/common/controller/Backend.php
+++ b/application/common/controller/Backend.php
@@ -109,6 +109,11 @@ class Backend extends Controller
      */
     protected $importHeadType = 'comment';
 
+    /**
+     *  排序字段
+     */
+    protected $dragsortFields = 'weigh';
+
     /**
      * 引入后台控制器的traits
      */