diff --git a/webapp/controller/KefuController.class.php b/webapp/controller/KefuController.class.php
index 9fa147d..6687799 100644
--- a/webapp/controller/KefuController.class.php
+++ b/webapp/controller/KefuController.class.php
@@ -320,12 +320,12 @@ class KefuController {
 
     private function getAccessToken($accountid)
     {
-        $r = $this->getRedis($accountid);
-        $access_token = $r->get('kf_token:' . $accountid . ':');
+        $gameid = phpcommon\extractGameId($accountid);
+        $r = $this->getRedis($gameid);
+        $access_token = $r->get('kf_token:' . $gameid . ':');
         if (!empty($access_token)) {
             return $access_token;
         }
-        $gameid =  phpcommon\extractGameId($accountid);
         $config_name = "../config/game$gameid/weixin/config.php";
         @require $config_name;
 
@@ -342,8 +342,8 @@ class KefuController {
         }
         $respobj = json_decode($response, true);
         if (isset($respobj['access_token'])) {
-            $r->set('kf_token:' . $accountid . ':', $respobj['access_token']);
-            $r->pexpire('kf_token:' . $accountid . ':', 1000 * ($respobj['expires_in'] - 60 * 1));
+            $r->set('kf_token:' . $gameid . ':', $respobj['access_token']);
+            $r->pexpire('kf_token:' . $gameid . ':', 1000 * ($respobj['expires_in'] - 60 * 1));
             return $respobj['access_token'];
         } else {
             return '';