diff --git a/webapp/controller/KefuController.class.php b/webapp/controller/KefuController.class.php
index 5533b8c..155c5a9 100644
--- a/webapp/controller/KefuController.class.php
+++ b/webapp/controller/KefuController.class.php
@@ -212,7 +212,7 @@ class KefuController {
     {
         $gameid = phpcommon\extractGameId($accountid);
         $access_token = $this->getAccessToken($gameid);
-        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=$access_token";
+        $url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=" . urlencode($access_token);
 
         $response = '';
         if (!phpcommon\HttpClient::post($url,
@@ -224,7 +224,7 @@ class KefuController {
         }
         $ret_info = json_decode($response, true);
         error_log(json_encode($response));
-        if (isset($ret_info['errcode']) && $ret_info['errcode'] == 40001) {
+        if (isset($ret_info['errcode']) && ($ret_info['errcode'] == 40001 || $ret_info['errcode'] == 40003)) {
             error_log('重新获取access_token');
             $r = $this->getRedis($gameid);
             $r->del('kf_token:' . $gameid . ':');