diff --git a/plugins/Coupons/src/EasyAbp.EShop.Orders.Plugins.Coupons/EasyAbp/EShop/Orders/Plugins/Coupons/ObjectExtending/EShopOrdersPluginsCouponsObjectExtensions.cs b/plugins/Coupons/src/EasyAbp.EShop.Orders.Plugins.Coupons/EasyAbp/EShop/Orders/Plugins/Coupons/ObjectExtending/EShopOrdersPluginsCouponsObjectExtensions.cs
index 4075d70e..9a48287a 100644
--- a/plugins/Coupons/src/EasyAbp.EShop.Orders.Plugins.Coupons/EasyAbp/EShop/Orders/Plugins/Coupons/ObjectExtending/EShopOrdersPluginsCouponsObjectExtensions.cs
+++ b/plugins/Coupons/src/EasyAbp.EShop.Orders.Plugins.Coupons/EasyAbp/EShop/Orders/Plugins/Coupons/ObjectExtending/EShopOrdersPluginsCouponsObjectExtensions.cs
@@ -35,6 +35,8 @@ namespace EasyAbp.EShop.Orders.Plugins.Coupons.ObjectExtending
                         new[]
                         {
                             typeof(Order),
+                            typeof(OrderDto),
+                            typeof(OrderEto),
                             typeof(CreateOrderDto)
                         },
                         config =>
@@ -47,7 +49,9 @@ namespace EasyAbp.EShop.Orders.Plugins.Coupons.ObjectExtending
                     .AddOrUpdate(
                         new[]
                         {
-                            typeof(Order)
+                            typeof(Order),
+                            typeof(OrderDto),
+                            typeof(OrderEto),
                         },
                         config =>
                         {