diff --git a/superadmin/application/admin/controller/Development.php b/superadmin/application/admin/controller/Development.php
index 93c43a8..88b846a 100644
--- a/superadmin/application/admin/controller/Development.php
+++ b/superadmin/application/admin/controller/Development.php
@@ -1,7 +1,7 @@
 <?php
 
 namespace app\admin\controller;
-
+use app\common\controller\Backend;
 class Development extends Backend
 {
     public function getdetails()