diff --git a/Application/Home/Controller/SafeController.class.php b/Application/Home/Controller/SafeController.class.php
index 1fa30b410..eba3dda20 100644
--- a/Application/Home/Controller/SafeController.class.php
+++ b/Application/Home/Controller/SafeController.class.php
@@ -322,7 +322,7 @@ class SafeController extends BaseController{
         $time = time();
         $endTime = date('Y-m-d',strtotime('+1 year'));
         $loginPromote = $this->getLoginPromote();
-        $sn = date('Ymd' . $loginPromote['create_time']) . '-' . strtoupper(substr(md5($loginPromote['id']), 8, 16));
+        $sn = date('Ymd', $loginPromote['create_time']) . '-' . strtoupper(substr(md5($loginPromote['id']), 8, 16));
         $this->assign('time',date('Y-m-d',$time));
         $this->assign('endTime',$endTime);
         $this->assign('sn',$sn);