diff --git a/Audit.csproj b/Audit.csproj
index 9824c87..46fd7f0 100644
--- a/Audit.csproj
+++ b/Audit.csproj
@@ -40,9 +40,6 @@
     <Reference Include="CommonServiceLocator, Version=2.0.6.0, Culture=neutral, PublicKeyToken=489b6accfaf20ef0, processorArchitecture=MSIL">
       <HintPath>packages\CommonServiceLocator.2.0.6\lib\net48\CommonServiceLocator.dll</HintPath>
     </Reference>
-    <Reference Include="ControlzEx, Version=4.0.0.0, Culture=neutral, PublicKeyToken=69f1c32f803d307e, processorArchitecture=MSIL">
-      <HintPath>packages\ControlzEx.4.4.0\lib\net462\ControlzEx.dll</HintPath>
-    </Reference>
     <Reference Include="EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
       <HintPath>packages\EntityFramework.6.2.0\lib\net45\EntityFramework.dll</HintPath>
     </Reference>
@@ -58,18 +55,6 @@
     <Reference Include="GalaSoft.MvvmLight.Platform, Version=5.4.1.0, Culture=neutral, PublicKeyToken=5f873c45e98af8a1, processorArchitecture=MSIL">
       <HintPath>packages\MvvmLightLibs.5.4.1.1\lib\net45\GalaSoft.MvvmLight.Platform.dll</HintPath>
     </Reference>
-    <Reference Include="MahApps.Metro, Version=2.0.0.0, Culture=neutral, PublicKeyToken=51482d6f650b2b3f, processorArchitecture=MSIL">
-      <HintPath>packages\MahApps.Metro.2.4.9\lib\net47\MahApps.Metro.dll</HintPath>
-    </Reference>
-    <Reference Include="MaterialDesignColors, Version=2.0.4.3, Culture=neutral, PublicKeyToken=df2a72020bd7962a, processorArchitecture=MSIL">
-      <HintPath>packages\MaterialDesignColors.2.0.4\lib\net452\MaterialDesignColors.dll</HintPath>
-    </Reference>
-    <Reference Include="MaterialDesignThemes.Wpf, Version=4.3.0.3, Culture=neutral, PublicKeyToken=df2a72020bd7962a, processorArchitecture=MSIL">
-      <HintPath>packages\MaterialDesignThemes.4.3.0\lib\net452\MaterialDesignThemes.Wpf.dll</HintPath>
-    </Reference>
-    <Reference Include="Microsoft.Xaml.Behaviors, Version=1.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>packages\Microsoft.Xaml.Behaviors.Wpf.1.1.19\lib\net45\Microsoft.Xaml.Behaviors.dll</HintPath>
-    </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Configuration" />
@@ -451,11 +436,4 @@
     <WCFMetadata Include="Connected Services\" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="packages\MaterialDesignThemes.4.3.0\build\MaterialDesignThemes.targets" Condition="Exists('packages\MaterialDesignThemes.4.3.0\build\MaterialDesignThemes.targets')" />
-  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
-    <PropertyGroup>
-      <ErrorText>这台计算机上缺少此项目引用的 NuGet 程序包。使用“NuGet 程序包还原”可下载这些程序包。有关更多信息，请参见 http://go.microsoft.com/fwlink/?LinkID=322105。缺少的文件是 {0}。</ErrorText>
-    </PropertyGroup>
-    <Error Condition="!Exists('packages\MaterialDesignThemes.4.3.0\build\MaterialDesignThemes.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\MaterialDesignThemes.4.3.0\build\MaterialDesignThemes.targets'))" />
-  </Target>
 </Project>
\ No newline at end of file
diff --git a/MainWindow.xaml b/MainWindow.xaml
index b86bc76..f397457 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -4,8 +4,6 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Audit"
-        xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls" x:Class="Audit.MainWindow"
+        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes" x:Class="Audit.MainWindow"
         mc:Ignorable="d"
-        Title="MainWindow" Height="1080" Width="1920">
-    <Button Content="Button" HorizontalAlignment="Left" Height="230" Margin="670,400,0,0" VerticalAlignment="Top" Width="410"/>
-</Window>
+        Title="MainWindow" Height="1080" Width="1920"/>
diff --git a/packages.config b/packages.config
index a83ee05..15fd88f 100644
--- a/packages.config
+++ b/packages.config
@@ -1,13 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CommonServiceLocator" version="2.0.6" targetFramework="net48" />
-  <package id="ControlzEx" version="4.4.0" targetFramework="net48" />
   <package id="EntityFramework" version="6.2.0" targetFramework="net48" />
   <package id="EntityFramework.zh-Hans" version="6.2.0" targetFramework="net48" />
-  <package id="MahApps.Metro" version="2.4.9" targetFramework="net48" />
-  <package id="MaterialDesignColors" version="2.0.4" targetFramework="net48" />
-  <package id="MaterialDesignThemes" version="4.3.0" targetFramework="net48" />
-  <package id="Microsoft.Xaml.Behaviors.Wpf" version="1.1.19" targetFramework="net48" />
   <package id="MvvmLight" version="5.4.1.1" targetFramework="net48" />
   <package id="MvvmLightLibs" version="5.4.1.1" targetFramework="net48" />
 </packages>
\ No newline at end of file