diff --git a/App.config b/App.config
index 05a3a05..d7955f2 100644
--- a/App.config
+++ b/App.config
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <configSections>
-    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
     <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
+    <!-- For more information on Entity Framework configuration, visit http://go.microsoft.com/fwlink/?LinkID=237468 -->
   </configSections>
   <startup>
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
@@ -11,6 +11,11 @@
     <providers>
       <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
     </providers>
+    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
+      <parameters>
+        <parameter value="mssqllocaldb" />
+      </parameters>
+    </defaultConnectionFactory>
   </entityFramework>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
diff --git a/Audit.csproj b/Audit.csproj
index 025f47b..9824c87 100644
--- a/Audit.csproj
+++ b/Audit.csproj
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="packages\EntityFramework.6.4.4\build\EntityFramework.props" Condition="Exists('packages\EntityFramework.6.4.4\build\EntityFramework.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -41,11 +40,14 @@
     <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.6.4.4\lib\net45\EntityFramework.dll</HintPath>
+      <HintPath>packages\EntityFramework.6.2.0\lib\net45\EntityFramework.dll</HintPath>
     </Reference>
     <Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
-      <HintPath>packages\EntityFramework.6.4.4\lib\net45\EntityFramework.SqlServer.dll</HintPath>
+      <HintPath>packages\EntityFramework.6.2.0\lib\net45\EntityFramework.SqlServer.dll</HintPath>
     </Reference>
     <Reference Include="GalaSoft.MvvmLight, Version=5.4.1.0, Culture=neutral, PublicKeyToken=e7570ab207bcb616, processorArchitecture=MSIL">
       <HintPath>packages\MvvmLightLibs.5.4.1.1\lib\net45\GalaSoft.MvvmLight.dll</HintPath>
@@ -56,11 +58,26 @@
     <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" />
     <Reference Include="System.Data" />
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security" />
+    <Reference Include="System.Web" />
+    <Reference Include="System.Web.Extensions" />
     <Reference Include="System.Windows.Interactivity, Version=4.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <HintPath>packages\MvvmLightLibs.5.4.1.1\lib\net45\System.Windows.Interactivity.dll</HintPath>
     </Reference>
@@ -434,12 +451,11 @@
     <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\EntityFramework.6.4.4\build\EntityFramework.props')" Text="$([System.String]::Format('$(ErrorText)', 'packages\EntityFramework.6.4.4\build\EntityFramework.props'))" />
-    <Error Condition="!Exists('packages\EntityFramework.6.4.4\build\EntityFramework.targets')" Text="$([System.String]::Format('$(ErrorText)', 'packages\EntityFramework.6.4.4\build\EntityFramework.targets'))" />
+    <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>
-  <Import Project="packages\EntityFramework.6.4.4\build\EntityFramework.targets" Condition="Exists('packages\EntityFramework.6.4.4\build\EntityFramework.targets')" />
 </Project>
\ No newline at end of file
diff --git a/packages.config b/packages.config
index 8c82799..a83ee05 100644
--- a/packages.config
+++ b/packages.config
@@ -1,8 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="CommonServiceLocator" version="2.0.6" targetFramework="net48" />
-  <package id="EntityFramework" version="6.4.4" 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