Fix a bug of PaymentAppService.CreateAsync()

modules/EasyAbp.EShop.Payments/src/EasyAbp.EShop.Payments.Application/EasyAbp/EShop/Payments/Payments/PaymentAppService.cs

@@ -101,7 +101,7 @@ namespace EasyAbp.EShop.Payments.Payments
                     ItemType = PaymentsConsts.PaymentItemType,
                     ItemKey = order.Id.ToString(),
                     OriginalPaymentAmount = order.TotalPrice,
-                    ExtraProperties = new Dictionary<string, object> {{"StoreId", orders.First().StoreId.ToString()}}
+                    ExtraProperties = new Dictionary<string, object> {{"StoreId", order.StoreId.ToString()}}
                 }).ToList()
             };