diff --git a/webapp/classes/Privilege.php b/webapp/classes/Privilege.php
index f368c8c..e08014a 100644
--- a/webapp/classes/Privilege.php
+++ b/webapp/classes/Privilege.php
@@ -49,8 +49,8 @@ class Privilege
         if ($row) {
             $nowtime = time();
             $vip_info = json_decode($row['vip_info'], true);
-            foreach ($vip_info as $key => $carditem) {
-                if ($vip_info[$key]['expire'] == 0 || $vip_info[$key]['expire'] > $nowtime) {
+            foreach ($vip_info as $carditem) {
+                if ($carditem['expire'] == 0 || $carditem['expire'] > $nowtime) {
                     $privilegecard_conf = metatable\getPrivilegeCardById($carditem['id']);
                     if (!$privilegecard_conf) {
                         $plus += $privilegecard_conf[$name];