调整

Areas/Api/Controllers/Main/MerchantParamSetController.cs

@@ -150,6 +150,7 @@ namespace MySystem.Areas.Api.Controllers.v1
                 AfterMinPayMoney = MinPayMoney,
                 AfterIsAll = IsAll,
             }).Entity;
+            maindb.SaveChanges();
             query.UpdateDate = DateTime.Now; //修改时间
             query.IsAll = IsAll; //是否收全额
             query.MinPayMoney = MinPayMoney; //订单参与门槛