diff --git a/FlyCube/MpApi/Controller/PayController.class.php b/FlyCube/MpApi/Controller/PayController.class.php
index 76771ed..c62266d 100644
--- a/FlyCube/MpApi/Controller/PayController.class.php
+++ b/FlyCube/MpApi/Controller/PayController.class.php
@@ -57,7 +57,7 @@ class PayController extends PublicController
         $this->isPower();
 
         // post参数检查
-        if ($_REQUEST['refund_price'] && $_REQUEST['order_sn'] && $_REQUEST['shop_id'] && ($_REQUEST['refundType'] == 'buyer' || $_REQUEST['refundType'] == 'seller')) {
+        if (!($_REQUEST['refund_price'] && $_REQUEST['order_sn'] && $_REQUEST['shop_id'] && ($_REQUEST['refund_type'] == 'buyer' || $_REQUEST['refund_type'] == 'seller'))) {
             echo json_encode(array('status' => 0, 'msg' => '退款参数有误'));
             exit();
         }