diff --git a/src/dede/co_export.php b/src/dede/co_export.php
index 9233f96..5f2cc6f 100755
--- a/src/dede/co_export.php
+++ b/src/dede/co_export.php
@@ -4,7 +4,7 @@
  *
  * @version        $Id: co_edit_text.php 1 14:31 2010年7月12日Z tianya $
  * @package        DedeCMS.Administrator
- * @copyright      Copyright (c) 2007 - 2010, DesDev, Inc.
+ * @copyright      Copyright (c) 2007 - 2020, DesDev, Inc.
  * @license        http://help.dedecms.com/usersguide/license.html
  * @link           http://www.dedecms.com
  */