diff --git a/webapp/controller/KefuController.class.php b/webapp/controller/KefuController.class.php
index b5f69ea..465841f 100644
--- a/webapp/controller/KefuController.class.php
+++ b/webapp/controller/KefuController.class.php
@@ -277,6 +277,7 @@ class KefuController {
                                    array(
                                        ':accountid' => $accountid,
                                    ));
+        date_default_timezone_set('Asia/Shanghai');
         if ($row && date("y-m-d", time()) == date("y-m-d", $row['awardtime'])) {
             $this->sendKefuMsg($accountid, array (
                 "touser" => $openid,