diff --git a/SparkClient.csproj b/SparkClient.csproj
index 200c258..c60e2e5 100644
--- a/SparkClient.csproj
+++ b/SparkClient.csproj
@@ -34,6 +34,7 @@
     </ItemGroup>
 
     <ItemGroup>
+      <None Remove="csv\histroy.csv" />
       <None Remove="ffmpeg.exe" />
       <None Remove="FodyWeavers.xml" />
       <None Remove="Resource\Document\Helper_en.pdf" />
@@ -62,6 +63,9 @@
       <None Remove="Resource\Images\UIResource\round_P8-P8.png" />
       <None Remove="Resource\Images\UIResource\round_select.png" />
       <None Remove="Resource\Images\ze-add-o 1%403x.png" />
+      <Content Include="csv\histroy.csv">
+        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+      </Content>
       <Content Include="ffmpeg.exe">
         <CopyToOutputDirectory>Always</CopyToOutputDirectory>
       </Content>
diff --git a/ViewModel/Grading/GradingResultVM.cs b/ViewModel/Grading/GradingResultVM.cs
index 1271f5d..a3a3a7e 100644
--- a/ViewModel/Grading/GradingResultVM.cs
+++ b/ViewModel/Grading/GradingResultVM.cs
@@ -266,7 +266,7 @@ public class GradingResultVM : BaseViewModel
     private void SaveToCsv()
     {
         string strBaseUrl = AppDomain.CurrentDomain.BaseDirectory;
-        string filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "histroy.csv");
+        string filePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,"csv", "histroy.csv");
         if (File.Exists(filePath)) { 
             using (var writer = new StreamWriter(filePath,true))
             {
diff --git a/csv/histroy.csv b/csv/histroy.csv
new file mode 100644
index 0000000..e69de29