diff --git a/app/JsonRpc/OrdersService.php b/app/JsonRpc/OrdersService.php
index e12d9d5..68cc52e 100644
--- a/app/JsonRpc/OrdersService.php
+++ b/app/JsonRpc/OrdersService.php
@@ -129,7 +129,7 @@ class OrdersService implements OrdersServiceInterface
      * @param $note
      * @return array
      */
-    public function onlineSingleRefund($user_id, $note, $global_order_id, $order_child_id=null, $order_goods_id=null)
+    public function onlineSingleRefund($user_id, $note, $global_order_id, $order_child_id='', $order_goods_id='')
     {
 
         Db::beginTransaction();
@@ -168,7 +168,7 @@ class OrdersService implements OrdersServiceInterface
             // 子订单
             $orderChild = null;
             if ($order_child_id) {
-                $orderChild = Order::query()->with('store:user_id')->where(['order_main_id' => $orderMain->global_order_id, 'id' => $order_child_id])->first();
+                $orderChild = Order::query()->with('store')->where(['order_main_id' => $orderMain->global_order_id, 'id' => $order_child_id])->first();
             }
 
             // 订单商品
@@ -222,13 +222,14 @@ class OrdersService implements OrdersServiceInterface
                 ]);
                 throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
             }
+
             // 开始退款
             $config = config('wxpay');
             $app = Factory::payment($config);
             $app['guzzle_handler'] = CoroutineHandler::class;
             $result = $app->refund->byOutTradeNumber(
                 $orderMain->global_order_id,
-                $orderMain->global_order_id,
+                $orderMain->global_order_id.$order_child_id.$order_goods_id,
                 bcmul($orderMain->money, 100, 0),
                 bcmul($refundAmount, 100, 0),
                 [