diff --git a/webapp/classes/Privilege.php b/webapp/classes/Privilege.php
index 7f03747..53bff1b 100644
--- a/webapp/classes/Privilege.php
+++ b/webapp/classes/Privilege.php
@@ -48,7 +48,7 @@ class Privilege
         $plus = 0;
         if ($row) {
             $nowtime = time();
-            $vip_info = json_decode($row['vip_info']);
+            $vip_info = json_decode($row['vip_info'], true);
             foreach ($vip_info as $key => $carditem) {
                 if ($vip_info[$key]['expire'] == 0 || $vip_info[$key]['expire'] > $nowtime) {
                     $privilegecard_conf = metatable\getPrivilegeCardById($key);