diff --git a/shadowsocks-csharp/packages.config b/shadowsocks-csharp/packages.config
index 008d3c40..a888c1a9 100644
--- a/shadowsocks-csharp/packages.config
+++ b/shadowsocks-csharp/packages.config
@@ -3,22 +3,29 @@
   <package id="Caseless.Fody" version="1.8.3" targetFramework="net472" />
   <package id="CommandLineParser" version="2.8.0" targetFramework="net472" />
   <package id="Costura.Fody" version="3.3.3" targetFramework="net472" />
+  <package id="DynamicData" version="6.16.6" targetFramework="net472" />
   <package id="Fody" version="4.2.1" targetFramework="net472" developmentDependency="true" />
   <package id="GlobalHotKey" version="1.1.0" targetFramework="net472" />
   <package id="Google.Protobuf" version="3.11.4" targetFramework="net472" />
   <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net472" />
   <package id="NLog" version="4.6.8" targetFramework="net472" />
+  <package id="ReactiveUI" version="11.5.35" targetFramework="net472" />
+  <package id="ReactiveUI.WPF" version="11.5.35" targetFramework="net472" />
+  <package id="Splat" version="9.5.20" targetFramework="net472" />
   <package id="StringEx.CS" version="0.3.1" targetFramework="net472" developmentDependency="true" />
   <package id="System.Buffers" version="4.4.0" targetFramework="net472" />
   <package id="System.IO" version="4.3.0" targetFramework="net472" />
   <package id="System.Memory" version="4.5.2" targetFramework="net472" />
   <package id="System.Net.Http" version="4.3.4" targetFramework="net472" />
   <package id="System.Numerics.Vectors" version="4.4.0" targetFramework="net472" />
+  <package id="System.Reactive" version="4.4.1" targetFramework="net472" />
   <package id="System.Runtime" version="4.3.0" targetFramework="net472" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.3" targetFramework="net472" />
   <package id="System.Security.Cryptography.Algorithms" version="4.3.0" targetFramework="net472" />
   <package id="System.Security.Cryptography.Encoding" version="4.3.0" targetFramework="net472" />
   <package id="System.Security.Cryptography.Primitives" version="4.3.0" targetFramework="net472" />
   <package id="System.Security.Cryptography.X509Certificates" version="4.3.0" targetFramework="net472" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net472" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net472" />
   <package id="ZXing.Net" version="0.16.5" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/shadowsocks-csharp/shadowsocks-csharp.csproj b/shadowsocks-csharp/shadowsocks-csharp.csproj
index a8d99a26..1f9e1655 100644
--- a/shadowsocks-csharp/shadowsocks-csharp.csproj
+++ b/shadowsocks-csharp/shadowsocks-csharp.csproj
@@ -77,6 +77,9 @@
     <Reference Include="Costura, Version=3.3.3.0, Culture=neutral, PublicKeyToken=9919ef960d84173d, processorArchitecture=MSIL">
       <HintPath>..\packages\Costura.Fody.3.3.3\lib\net40\Costura.dll</HintPath>
     </Reference>
+    <Reference Include="DynamicData, Version=6.16.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\DynamicData.6.16.6\lib\net461\DynamicData.dll</HintPath>
+    </Reference>
     <Reference Include="GlobalHotKey, Version=1.1.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\GlobalHotKey.1.1.0\lib\GlobalHotKey.dll</HintPath>
     </Reference>
@@ -92,6 +95,16 @@
       <HintPath>..\packages\NLog.4.6.8\lib\net45\NLog.dll</HintPath>
     </Reference>
     <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
+    <Reference Include="ReactiveUI, Version=11.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ReactiveUI.11.5.35\lib\net461\ReactiveUI.dll</HintPath>
+    </Reference>
+    <Reference Include="ReactiveUI.WPF, Version=11.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ReactiveUI.WPF.11.5.35\lib\net472\ReactiveUI.WPF.dll</HintPath>
+    </Reference>
+    <Reference Include="Splat, Version=9.5.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Splat.9.5.20\lib\net461\Splat.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Buffers.4.4.0\lib\netstandard2.0\System.Buffers.dll</HintPath>
@@ -121,13 +134,16 @@
     <Reference Include="System.Numerics.Vectors, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Numerics.Vectors.4.4.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
     </Reference>
+    <Reference Include="System.Reactive, Version=4.4.0.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Reactive.4.4.1\lib\net46\System.Reactive.dll</HintPath>
+    </Reference>
     <Reference Include="System.Runtime, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Runtime.4.3.0\lib\net462\System.Runtime.dll</HintPath>
       <Private>True</Private>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.5.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.5.3\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
     </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Security.Cryptography.Algorithms, Version=4.2.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
@@ -151,12 +167,22 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.ServiceModel" />
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
+    </Reference>
     <Reference Include="System.Transactions" />
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.ValueTuple.4.5.0\lib\net47\System.ValueTuple.dll</HintPath>
+    </Reference>
     <Reference Include="System.Web" />
+    <Reference Include="System.Windows" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Windows.Forms.DataVisualization" />
+    <Reference Include="System.Xaml" />
     <Reference Include="System.XML" />
+    <Reference Include="UIAutomationProvider" />
     <Reference Include="WindowsBase" />
+    <Reference Include="WindowsFormsIntegration" />
     <Reference Include="zxing, Version=0.16.5.0, Culture=neutral, PublicKeyToken=4e88037ac681fe60, processorArchitecture=MSIL">
       <HintPath>..\packages\ZXing.Net.0.16.5\lib\net47\zxing.dll</HintPath>
     </Reference>