diff --git a/S3Demo/Model/BucketModel.cs b/S3Demo/Helper/BucketModel.cs
similarity index 99%
rename from S3Demo/Model/BucketModel.cs
rename to S3Demo/Helper/BucketModel.cs
index be5f307..bbdf225 100644
--- a/S3Demo/Model/BucketModel.cs
+++ b/S3Demo/Helper/BucketModel.cs
@@ -9,7 +9,7 @@ using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 
-namespace S3Demo.Model
+namespace S3Demo.Helper
 {
     // This example uses the AWS SDK for .NET to check isExist the Amazon Simple Storage
     // Service (Amazon S3) buckets belonging to the default account. This code
diff --git a/S3Demo/Run.cs b/S3Demo/Program.cs
similarity index 97%
rename from S3Demo/Run.cs
rename to S3Demo/Program.cs
index ecf50eb..e6c8857 100644
--- a/S3Demo/Run.cs
+++ b/S3Demo/Program.cs
@@ -1,21 +1,12 @@
 using System;
 using System.IO;
-using Newtonsoft.Json;
-using Amazon;
-using Amazon.Runtime;
-using Amazon.S3;
-using S3Demo.Model;
 using S3Demo.Model.Uploader;
-using Ksat.Supplyment.Library.Model;
-using Ksat.Supplyment.Library.Uploader;
-using Ksat.Supplyment.Library.Model.Uploader;
-using System.Threading.Tasks;
 using System.Threading;
 using System.Linq;
 
 namespace S3Demo
 {
-    public class Run
+    public class Program
     {
         private static string[] paths = { @"D:\ClientDir" };
         private static string suffix = "*.png";
diff --git a/S3Demo/S3Demo.csproj b/S3Demo/S3Demo.csproj
index 2a633e0..f79c0fb 100644
--- a/S3Demo/S3Demo.csproj
+++ b/S3Demo/S3Demo.csproj
@@ -82,7 +82,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Model\BucketModel.cs" />
+    <Compile Include="Helper\BucketModel.cs" />
     <Compile Include="Helper\HttpHelper.cs" />
     <Compile Include="Helper\ObjectHelper.cs" />
     <Compile Include="Model\DataModel.cs" />
@@ -91,7 +91,7 @@
     <Compile Include="Model\Uploader\S3UploadRequest.cs" />
     <Compile Include="Storage\CreateBucket.cs" />
     <Compile Include="Storage\ListObjects.cs" />
-    <Compile Include="Run.cs" />
+    <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Storage\UploadDirMPUHighLevelAPI.cs" />
     <Compile Include="Storage\UploadFileMPUHighLevelAPI.cs" />