diff --git a/pluss-api-page/src/main/java/cn/pluss/platform/controller/MerchantOrderController.java b/pluss-api-page/src/main/java/cn/pluss/platform/controller/MerchantOrderController.java
index f084ed2..41e8391 100644
--- a/pluss-api-page/src/main/java/cn/pluss/platform/controller/MerchantOrderController.java
+++ b/pluss-api-page/src/main/java/cn/pluss/platform/controller/MerchantOrderController.java
@@ -1124,9 +1124,9 @@ public class MerchantOrderController {
     public Result<Object> returnOrderV4(@RequestParam String orderNumber,@RequestParam  BigDecimal amount,@RequestParam  String noticeCode,
                                         @RequestParam String mercRefundNo,
                                         @RequestParam String notifyUrl,
-                                        @RequestParam String refundReason,
-                                        @RequestParam String payPassword){
-        JSONObject object= merchantOrderService.apiReturnOrderV4(orderNumber,amount,mercRefundNo,notifyUrl,noticeCode, payPassword,"app" );
+                                        @RequestParam String refundReason
+                                        ){
+        JSONObject object= merchantOrderService.apiReturnOrderV4(orderNumber,amount,mercRefundNo,notifyUrl,noticeCode, null,"app" );
         return ResultGenerator.genSuccessResult("退款成功",object);
     }
     /**