diff --git a/webapp/controller/KefuController.class.php b/webapp/controller/KefuController.class.php
index 8e1ff88..b5f69ea 100644
--- a/webapp/controller/KefuController.class.php
+++ b/webapp/controller/KefuController.class.php
@@ -28,12 +28,6 @@ class KefuController {
         return $conn;
     }
 
-    private function getDaySeconds($time_val, $incdays)
-    {
-        $time_zone = 8;
-        return int(($time_val + $time_zone * 3600)/3600/24 + $incdays) * 3600 * 24 - 3600 * $time_zone;
-    }
-
     private function translateAttachments($config)
     {
         $attachments = '';
@@ -283,7 +277,7 @@ class KefuController {
                                    array(
                                        ':accountid' => $accountid,
                                    ));
-        if ($row && time() - $row['awardtime'] < 3600 * 24) {
+        if ($row && date("y-m-d", time()) == date("y-m-d", $row['awardtime'])) {
             $this->sendKefuMsg($accountid, array (
                 "touser" => $openid,
                 "msgtype" => "text",