diff --git a/module/todo/lang/en.php b/module/todo/lang/en.php
index b8623fa6b1..03f0b8fcda 100644
--- a/module/todo/lang/en.php
+++ b/module/todo/lang/en.php
@@ -9,6 +9,7 @@
  * @version     $Id: en.php 4676 2013-04-26 06:08:23Z chencongzhi520@gmail.com $
  * @link        https://www.zentao.net
  */
+global $config;
 $lang->todo->index        = 'Home';
 $lang->todo->create       = 'Add Todo';
 $lang->todo->createCycle  = 'Add Recurred Todo';