diff --git a/webapp/controller/KefuController.class.php b/webapp/controller/KefuController.class.php
index a2d25c2..659fb67 100644
--- a/webapp/controller/KefuController.class.php
+++ b/webapp/controller/KefuController.class.php
@@ -227,12 +227,17 @@ class KefuController {
             }
             $ret_info = json_decode($response, true);
             error_log(json_encode($response));
-            if (isset($ret_info['errcode']) && ($ret_info['errcode'] == 40001 || $ret_info['errcode'] == 40003)) {
+            if (isset($ret_info['errcode']) && ($ret_info['errcode'] == 40001 || $ret_info['errcode'] == 40003 || $ret_info['errcode'] == 41001)) {
+                if ($ret_info['errcode'] == 40003) {
+                    //无效的openid，（更换appid appkey导致之前的openid失效）
+                    //从db里删除这种过期的openid
+                    return true;
+                }
                 error_log('重新获取access_token');
                 $r = $this->getRedis($gameid);
                 $r->del('kf_token:' . $gameid . ':');
                 $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);
 
                 $response = '';
                 error_log(json_encode($data, JSON_UNESCAPED_UNICODE));
@@ -243,6 +248,7 @@ class KefuController {
                     phpcommon\sendError(ERR_RETRY, '系统繁忙');
                     return;
                 }
+                error_log('retry:' . $response);
                 $ret_info = json_decode($response, true);
             }
             return !empty($ret_info) && $ret_info['errcode'] == 0;
@@ -402,6 +408,7 @@ class KefuController {
             $r->pexpire('kf_token:' . $gameid . ':', 1000 * ($respobj['expires_in'] - 60 * 1));
             return $respobj['access_token'];
         } else {
+            error_log('getAccessToken:' . $response);
             return '';
         }
     }