diff --git a/webapp/controller/RankController.class.php b/webapp/controller/RankController.class.php
index b3dcaca..a6b73cc 100644
--- a/webapp/controller/RankController.class.php
+++ b/webapp/controller/RankController.class.php
@@ -17,7 +17,8 @@ class RankController{
 
     protected function getRedis()
     {
-        $redis_conf = getRedisConfig();
+        $key = 'game2001api';
+        $redis_conf = getRedisConfig($key);
         $r = new phpcommon\Redis(array(
             'host' => $redis_conf['host'],
             'port' => $redis_conf['port'],