diff --git a/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/Orders/OrderAppServiceTests.cs b/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/Orders/OrderAppServiceTests.cs
index 7f9a0540..32c44211 100644
--- a/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/Orders/OrderAppServiceTests.cs
+++ b/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/Orders/OrderAppServiceTests.cs
@@ -1,5 +1,13 @@
-using Shouldly;
+using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
+using EasyAbp.EShop.Orders.Orders.Dtos;
+using EasyAbp.EShop.Products.Products;
+using EasyAbp.EShop.Products.Products.Dtos;
+using Microsoft.Extensions.DependencyInjection;
+using NSubstitute;
+using Shouldly;
 using Xunit;
 
 namespace EasyAbp.EShop.Orders.Orders
@@ -8,19 +16,71 @@ namespace EasyAbp.EShop.Orders.Orders
     {
         private readonly IOrderAppService _orderAppService;
 
+        private readonly Guid _storeId = Guid.Parse("982C6439-AAC4-CD86-21E0-D89DFE066305");
+        private readonly Guid _productId = Guid.Parse("309A5529-A42A-9E0F-85FA-879B17B70EA1");
+        private readonly Guid _productSkuId = Guid.Parse("309A5529-A42A-9E0F-85FA-879B17B70EA2");
+
         public OrderAppServiceTests()
         {
             _orderAppService = GetRequiredService<IOrderAppService>();
         }
 
+        protected override void AfterAddApplication(IServiceCollection services)
+        {
+            var productAppService = Substitute.For<IProductAppService>();
+            productAppService.GetAsync(_productId, _storeId).Returns(Task.FromResult(new ProductDto
+            {
+                CreationTime = DateTime.Now,
+                IsPublished = true,
+                Id = _productId,
+                ProductSkus = new List<ProductSkuDto>
+                {
+                    new ProductSkuDto
+                    {
+                        Id = _productSkuId,
+                        OrderMinQuantity = 0,
+                        OrderMaxQuantity = 100,
+                        AttributeOptionIds = new List<Guid>()
+                    }
+                },
+                InventoryStrategy = InventoryStrategy.NoNeed
+            }));
+
+            services.AddTransient(_ => productAppService);
+        }
+
         [Fact]
-        public async Task Test1()
+        public async Task Should_Create_A_Order()
         {
             // Arrange
+            var createOrderDto = new CreateOrderDto
+            {
+                CustomerRemark = "customer remark",
+                StoreId = _storeId,
+                OrderLines = new List<CreateOrderLineDto>
+                {
+                    new CreateOrderLineDto
+                    {
+                        ProductId = _productId,
+                        ProductSkuId = _productSkuId,
+                        Quantity = 10
+                    }
+                }
+            };
 
             // Act
+            var response = await _orderAppService.CreateAsync(createOrderDto);
 
             // Assert
+            response.ShouldNotBeNull();
+            response.CustomerRemark.ShouldBe("customer remark");
+
+            UsingDbContext(context =>
+            {
+                context.Orders.Count().ShouldBe(1);
+                var order = context.Orders.First();
+                order.CustomerRemark.ShouldBe("customer remark");
+            });
         }
     }
-}
+}
\ No newline at end of file
diff --git a/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/OrdersApplicationTestBase.cs b/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/OrdersApplicationTestBase.cs
index e6fad2fe..b0c32162 100644
--- a/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/OrdersApplicationTestBase.cs
+++ b/modules/EasyAbp.EShop.Orders/test/EasyAbp.EShop.Orders.Application.Tests/OrdersApplicationTestBase.cs
@@ -1,10 +1,22 @@
-namespace EasyAbp.EShop.Orders
+using System;
+using EasyAbp.EShop.Orders.EntityFrameworkCore;
+using EasyAbp.EShop.Products.Products;
+using Microsoft.Extensions.DependencyInjection;
+using NSubstitute;
+
+namespace EasyAbp.EShop.Orders
 {
     /* Inherit from this class for your application layer tests.
      * See SampleAppService_Tests for example.
      */
     public abstract class OrdersApplicationTestBase : OrdersTestBase<EShopOrdersApplicationTestModule>
     {
-
+        protected void UsingDbContext(Action<IOrdersDbContext> action)
+        {
+            using (var dbContext = GetRequiredService<IOrdersDbContext>())
+            {
+                action.Invoke(dbContext);
+            }
+        }
     }
 }
\ No newline at end of file