diff --git a/webht/third_party/dingmail/controllers/index.php b/webht/third_party/dingmail/controllers/index.php
index b35ccc31..d9fe074f 100644
--- a/webht/third_party/dingmail/controllers/index.php
+++ b/webht/third_party/dingmail/controllers/index.php
@@ -22,6 +22,9 @@ class Index extends CI_Controller {
 		if(get_cookie('dingunionid') == ''){
 			redirect('http://www.mycht.cn/info.php/apps/dinglogin/login/?returnurl=http://www.mycht.cn/webht.php/apps/dingmail/index/');
 		}else{
+			 if($this->session->userdata('dingdinguserinfo') === false){
+				 redirect('http://www.mycht.cn/webht.php/apps/dingmail/index/');
+			 }
 			 if($unionid != null && $type != null){
 				 $data['type'] = $type;
 				 $data['user'] = get_cookie('dingname');