diff --git a/Wox/ViewModel/BaseViewModel.cs b/Wox/ViewModel/RelayCommand.cs
similarity index 95%
rename from Wox/ViewModel/BaseViewModel.cs
rename to Wox/ViewModel/RelayCommand.cs
index ff5fbf9f7a..3a52f30007 100644
--- a/Wox/ViewModel/BaseViewModel.cs
+++ b/Wox/ViewModel/RelayCommand.cs
@@ -3,7 +3,6 @@ using System.Windows.Input;
 
 namespace Wox.ViewModel
 {
-    //todo rename file
     public class RelayCommand : ICommand
     {
 
diff --git a/Wox/ViewModel/ResultsViewModel.cs b/Wox/ViewModel/ResultsViewModel.cs
index 21c362f9b1..a3784ebef5 100644
--- a/Wox/ViewModel/ResultsViewModel.cs
+++ b/Wox/ViewModel/ResultsViewModel.cs
@@ -6,7 +6,6 @@ using System.Windows;
 using System.Windows.Data;
 using Wox.Core.UserSettings;
 using Wox.Plugin;
-using PropertyChanged;
 
 namespace Wox.ViewModel
 {
diff --git a/Wox/Wox.csproj b/Wox/Wox.csproj
index 5ab0c263bc..f7d26894d9 100644
--- a/Wox/Wox.csproj
+++ b/Wox/Wox.csproj
@@ -169,7 +169,7 @@
     <Compile Include="Storage\QueryHistory.cs" />
     <Compile Include="Storage\TopMostRecord.cs" />
     <Compile Include="Storage\UserSelectedRecord.cs" />
-    <Compile Include="ViewModel\BaseViewModel.cs" />
+    <Compile Include="ViewModel\RelayCommand.cs" />
     <Compile Include="ViewModel\MainViewModel.cs" />
     <Compile Include="ViewModel\PluginViewModel.cs" />
     <Compile Include="ViewModel\ResultViewModel.cs" />