diff --git a/samples/apis/Product.Api/Application/Command/AddProductTypeCommand.cs b/samples/apis/Product.Api/Application/Command/AddProductTypeCommand.cs
deleted file mode 100644
index 9647a16..0000000
--- a/samples/apis/Product.Api/Application/Command/AddProductTypeCommand.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-using Pole.Application.Command;
-using Pole.Application.Cqrs;
-using Pole.Grpc.ExtraType;
-using PoleSample.Apis.Product;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace Product.Api.Application.Command
-{
-    public class AddProductTypeCommand: ICommand<CommonCommandResponse>
-    {
-        public AddProductTypeRequest Request { get; set; }
-    }
-}
diff --git a/samples/apis/Product.Api/Application/Command/CommandHandler/AddProductTypeCommandHandler.cs b/samples/apis/Product.Api/Application/CommandHandler/AddProductTypeCommandHandler.cs
similarity index 85%
rename from samples/apis/Product.Api/Application/Command/CommandHandler/AddProductTypeCommandHandler.cs
rename to samples/apis/Product.Api/Application/CommandHandler/AddProductTypeCommandHandler.cs
index c23894d..f41998d 100644
--- a/samples/apis/Product.Api/Application/Command/CommandHandler/AddProductTypeCommandHandler.cs
+++ b/samples/apis/Product.Api/Application/CommandHandler/AddProductTypeCommandHandler.cs
@@ -12,9 +12,9 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace Product.Api.Application.Command.CommandHandler
+namespace Product.Api.Application.CommandHandler
 {
-    public class AddProductTypeCommandHandler : ICommandHandler<AddProductTypeCommand, CommonCommandResponse>
+    public class AddProductTypeCommandHandler : ICommandHandler<Command<AddProductTypeRequest, CommonCommandResponse>, CommonCommandResponse>
     {
         private readonly IProductTypeRepository _productTypeRepository;
         private readonly IUnitOfWorkManager _unitOfWorkManager;
@@ -23,9 +23,9 @@ namespace Product.Api.Application.Command.CommandHandler
             _productTypeRepository = productTypeRepository;
             _unitOfWorkManager = unitOfWorkManager;
         }
-        public async Task<CommonCommandResponse> Handle(AddProductTypeCommand request, CancellationToken cancellationToken)
+        public async Task<CommonCommandResponse> Handle(Command<AddProductTypeRequest, CommonCommandResponse> request, CancellationToken cancellationToken)
         {
-            var productType = new Domain.ProductTypeAggregate.ProductType(request.Request.Id, request.Request.Name);
+            var productType = new Domain.ProductTypeAggregate.ProductType(request.Data.Id, request.Data.Name);
 
             
              _productTypeRepository.Add(productType);
diff --git a/samples/apis/Product.Api/Grpc/ProductTypeService.cs b/samples/apis/Product.Api/Grpc/ProductTypeService.cs
index 37fbd16..57568e9 100644
--- a/samples/apis/Product.Api/Grpc/ProductTypeService.cs
+++ b/samples/apis/Product.Api/Grpc/ProductTypeService.cs
@@ -4,7 +4,6 @@ using Pole.Application.Command;
 using Pole.Application.Cqrs;
 using Pole.Grpc.ExtraType;
 using PoleSample.Apis.Product;
-using Product.Api.Application.Command;
 using Product.Api.Infrastructure;
 using System;
 using System.Collections.Generic;
@@ -22,7 +21,7 @@ namespace Product.Api.Grpc
         }
         public override Task<CommonCommandResponse> Add(AddProductTypeRequest request, ServerCallContext context)
         {
-            var cpmmand = new AddProductTypeCommand { Request = request };
+            var cpmmand = new Command<AddProductTypeRequest, CommonCommandResponse>(request);
             return _commandBus.Send(cpmmand);
         }
     }
diff --git a/src/Pole.Application/Command/Command.cs b/src/Pole.Application/Command/Command.cs
new file mode 100644
index 0000000..c71ac02
--- /dev/null
+++ b/src/Pole.Application/Command/Command.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Pole.Application.Command
+{
+    public class Command<TRequest,TResponse>:ICommand<TResponse>
+    {
+        public Command(TRequest request)
+        {
+            Data = request;
+        }
+       public TRequest Data { get; private set; }
+    }
+}