diff --git a/webapp/controller/RechargeController.class.php b/webapp/controller/RechargeController.class.php
index 6ce555f..891ad2b 100644
--- a/webapp/controller/RechargeController.class.php
+++ b/webapp/controller/RechargeController.class.php
@@ -242,6 +242,8 @@ class RechargeController
         }
 
         echo json_encode(array(
+            'errcode' => 0,
+            'errmsg' => '',
             'first_recharge' => $firstrecharge,
         ));
     }