diff --git a/shadowsocks-csharp/Properties/Resources.Designer.cs b/shadowsocks-csharp/Properties/Resources.Designer.cs
index 3d0151b1..e3cd3ddf 100644
--- a/shadowsocks-csharp/Properties/Resources.Designer.cs
+++ b/shadowsocks-csharp/Properties/Resources.Designer.cs
@@ -73,13 +73,14 @@ namespace Shadowsocks.Properties {
         ///var rules = [];
         ///
         ///// convert to abp grammar
+        ///var re = /^(@@)?\|\|.*?[^\^]$/;
         ///for (var i = 0; i < __RULES__.length; i++) {
         ///    var s = __RULES__[i];
-        ///    if (s.substring(0, 2) == "||") s += "^";
+        ///    if (s.match(re)) s += "^";
         ///    rules.push(s);
         ///}
         ///
-        ///for (var i = 0; i < [rest of string was truncated]";.
+        /// [rest of string was truncated]";.
         /// </summary>
         public static string abp_js {
             get {
diff --git a/shadowsocks-csharp/Properties/Settings.Designer.cs b/shadowsocks-csharp/Properties/Settings.Designer.cs
index efed8372..dfd4d4e0 100644
--- a/shadowsocks-csharp/Properties/Settings.Designer.cs
+++ b/shadowsocks-csharp/Properties/Settings.Designer.cs
@@ -12,7 +12,7 @@ namespace Shadowsocks.Properties {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.1.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "16.8.1.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
diff --git a/shadowsocks-csharp/app.config b/shadowsocks-csharp/app.config
index 8b836868..ac464a1f 100755
--- a/shadowsocks-csharp/app.config
+++ b/shadowsocks-csharp/app.config
@@ -6,7 +6,7 @@
     </sectionGroup>
 </configSections>
 <startup>
-  <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+  <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" />
 </startup>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
@@ -20,7 +20,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.6.0" newVersion="4.0.6.0" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Memory" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
@@ -30,6 +30,10 @@
         <assemblyIdentity name="ICSharpCode.AvalonEdit" publicKeyToken="9cc39be672370310" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-6.0.1.278" newVersion="6.0.1.278" />
       </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Reactive" publicKeyToken="94bc3704cddfc263" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
+      </dependentAssembly>
     </assemblyBinding>
   </runtime>
   <userSettings>
diff --git a/shadowsocks-csharp/packages.config b/shadowsocks-csharp/packages.config
index dcc18bbb..070ffa21 100644
--- a/shadowsocks-csharp/packages.config
+++ b/shadowsocks-csharp/packages.config
@@ -4,28 +4,28 @@
   <package id="Caseless.Fody" version="1.9.0" targetFramework="net472" />
   <package id="CommandLineParser" version="2.8.0" targetFramework="net472" />
   <package id="Costura.Fody" version="4.1.0" targetFramework="net472" />
-  <package id="DynamicData" version="6.17.14" targetFramework="net472" />
+  <package id="DynamicData" version="7.1.1" targetFramework="net48" />
   <package id="Fody" version="6.3.0" targetFramework="net472" developmentDependency="true" />
   <package id="GlobalHotKey" version="1.1.0" targetFramework="net472" />
-  <package id="Google.Protobuf" version="3.13.0" targetFramework="net472" />
+  <package id="Google.Protobuf" version="3.14.0" targetFramework="net48" />
   <package id="MdXaml" version="1.6.0" targetFramework="net472" />
   <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net472" />
-  <package id="NLog" version="4.7.5" targetFramework="net472" />
-  <package id="Pharmacist.Common" version="1.8.1" targetFramework="net472" />
-  <package id="ReactiveUI" version="11.5.35" targetFramework="net472" />
-  <package id="ReactiveUI.Events.WPF" version="11.5.35" targetFramework="net472" />
-  <package id="ReactiveUI.Fody" version="11.5.35" targetFramework="net472" />
-  <package id="ReactiveUI.Validation" version="1.7.1" targetFramework="net472" />
-  <package id="ReactiveUI.WPF" version="11.5.35" targetFramework="net472" />
-  <package id="Splat" version="9.6.1" targetFramework="net472" />
+  <package id="NLog" version="4.7.6" targetFramework="net48" />
+  <package id="Pharmacist.Common" version="2.0.5" targetFramework="net48" />
+  <package id="ReactiveUI" version="12.1.5" targetFramework="net48" />
+  <package id="ReactiveUI.Events.WPF" version="12.1.5" targetFramework="net48" />
+  <package id="ReactiveUI.Fody" version="12.1.5" targetFramework="net48" />
+  <package id="ReactiveUI.Validation" version="1.8.6" targetFramework="net48" />
+  <package id="ReactiveUI.WPF" version="12.1.5" targetFramework="net48" />
+  <package id="Splat" version="9.8.1" targetFramework="net48" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net472" />
   <package id="System.IO" version="4.3.0" targetFramework="net472" />
   <package id="System.Memory" version="4.5.4" targetFramework="net472" />
   <package id="System.Net.Http" version="4.3.4" targetFramework="net472" />
   <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net472" />
-  <package id="System.Reactive" version="4.4.1" targetFramework="net472" />
+  <package id="System.Reactive" version="5.0.0" targetFramework="net48" />
   <package id="System.Runtime" version="4.3.1" targetFramework="net472" />
-  <package id="System.Runtime.CompilerServices.Unsafe" version="4.7.1" targetFramework="net472" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" targetFramework="net48" />
   <package id="System.Security.Cryptography.Algorithms" version="4.3.1" 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" />
diff --git a/shadowsocks-csharp/shadowsocks-csharp.csproj b/shadowsocks-csharp/shadowsocks-csharp.csproj
index 07812867..0f2f3d8e 100644
--- a/shadowsocks-csharp/shadowsocks-csharp.csproj
+++ b/shadowsocks-csharp/shadowsocks-csharp.csproj
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\ReactiveUI.Fody.11.5.35\build\ReactiveUI.Fody.props" Condition="Exists('..\packages\ReactiveUI.Fody.11.5.35\build\ReactiveUI.Fody.props')" />
+  <Import Project="..\packages\ReactiveUI.Fody.12.1.5\build\ReactiveUI.Fody.props" Condition="Exists('..\packages\ReactiveUI.Fody.12.1.5\build\ReactiveUI.Fody.props')" />
   <Import Project="..\packages\Costura.Fody.4.1.0\build\Costura.Fody.props" Condition="Exists('..\packages\Costura.Fody.4.1.0\build\Costura.Fody.props')" />
   <Import Project="..\packages\Caseless.Fody.1.9.0\build\Caseless.Fody.props" Condition="Exists('..\packages\Caseless.Fody.1.9.0\build\Caseless.Fody.props')" />
   <PropertyGroup>
@@ -13,7 +13,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Shadowsocks</RootNamespace>
     <AssemblyName>Shadowsocks</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <StartupObject>
     </StartupObject>
@@ -79,14 +79,14 @@
     <Reference Include="Costura, Version=4.1.0.0, Culture=neutral, PublicKeyToken=9919ef960d84173d, processorArchitecture=MSIL">
       <HintPath>..\packages\Costura.Fody.4.1.0\lib\net40\Costura.dll</HintPath>
     </Reference>
-    <Reference Include="DynamicData, Version=6.17.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\DynamicData.6.17.14\lib\net461\DynamicData.dll</HintPath>
+    <Reference Include="DynamicData, Version=7.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\DynamicData.7.1.1\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>
-    <Reference Include="Google.Protobuf, Version=3.13.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
-      <HintPath>..\packages\Google.Protobuf.3.13.0\lib\net45\Google.Protobuf.dll</HintPath>
+    <Reference Include="Google.Protobuf, Version=3.14.0.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <HintPath>..\packages\Google.Protobuf.3.14.0\lib\net45\Google.Protobuf.dll</HintPath>
     </Reference>
     <Reference Include="ICSharpCode.AvalonEdit, Version=6.0.1.278, Culture=neutral, PublicKeyToken=9cc39be672370310, processorArchitecture=MSIL">
       <HintPath>..\packages\AvalonEdit.6.0.1\lib\net45\ICSharpCode.AvalonEdit.dll</HintPath>
@@ -100,31 +100,31 @@
       <HintPath>..\packages\Newtonsoft.Json.12.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
     <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
-      <HintPath>..\packages\NLog.4.7.5\lib\net45\NLog.dll</HintPath>
+      <HintPath>..\packages\NLog.4.7.6\lib\net45\NLog.dll</HintPath>
     </Reference>
-    <Reference Include="Pharmacist.Common, Version=1.8.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Pharmacist.Common.1.8.1\lib\netstandard2.0\Pharmacist.Common.dll</HintPath>
+    <Reference Include="Pharmacist.Common, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Pharmacist.Common.2.0.5\lib\net472\Pharmacist.Common.dll</HintPath>
     </Reference>
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
     <Reference Include="PresentationFramework.Aero" />
-    <Reference Include="ReactiveUI, Version=11.5.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\ReactiveUI.11.5.35\lib\net461\ReactiveUI.dll</HintPath>
+    <Reference Include="ReactiveUI, Version=12.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ReactiveUI.12.1.5\lib\net461\ReactiveUI.dll</HintPath>
     </Reference>
-    <Reference Include="ReactiveUI.Events.WPF, Version=11.5.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\ReactiveUI.Events.WPF.11.5.35\lib\net472\ReactiveUI.Events.WPF.dll</HintPath>
+    <Reference Include="ReactiveUI.Events.WPF, Version=12.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ReactiveUI.Events.WPF.12.1.5\lib\net472\ReactiveUI.Events.WPF.dll</HintPath>
     </Reference>
-    <Reference Include="ReactiveUI.Fody.Helpers, Version=11.5.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\ReactiveUI.Fody.11.5.35\lib\net461\ReactiveUI.Fody.Helpers.dll</HintPath>
+    <Reference Include="ReactiveUI.Fody.Helpers, Version=12.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ReactiveUI.Fody.12.1.5\lib\net461\ReactiveUI.Fody.Helpers.dll</HintPath>
     </Reference>
-    <Reference Include="ReactiveUI.Validation, Version=1.7.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\ReactiveUI.Validation.1.7.1\lib\net461\ReactiveUI.Validation.dll</HintPath>
+    <Reference Include="ReactiveUI.Validation, Version=1.8.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ReactiveUI.Validation.1.8.6\lib\net461\ReactiveUI.Validation.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 Include="ReactiveUI.Wpf, Version=12.1.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\ReactiveUI.WPF.12.1.5\lib\net472\ReactiveUI.Wpf.dll</HintPath>
     </Reference>
-    <Reference Include="Splat, Version=9.6.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\Splat.9.6.1\lib\net461\Splat.dll</HintPath>
+    <Reference Include="Splat, Version=9.8.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\Splat.9.8.1\lib\net461\Splat.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
@@ -155,16 +155,16 @@
     <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Numerics.Vectors.4.5.0\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 Include="System.Reactive, Version=5.0.0.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Reactive.5.0.0\lib\net472\System.Reactive.dll</HintPath>
     </Reference>
     <Reference Include="System.Runtime, Version=4.1.1.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\System.Runtime.4.3.1\lib\net462\System.Runtime.dll</HintPath>
       <Private>True</Private>
       <Private>True</Private>
     </Reference>
-    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.6.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.4.7.1\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=5.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\packages\System.Runtime.CompilerServices.Unsafe.5.0.0\lib\net45\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">
@@ -447,7 +447,7 @@
     <Error Condition="!Exists('..\packages\Caseless.Fody.1.9.0\build\Caseless.Fody.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Caseless.Fody.1.9.0\build\Caseless.Fody.props'))" />
     <Error Condition="!Exists('..\packages\Costura.Fody.4.1.0\build\Costura.Fody.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Costura.Fody.4.1.0\build\Costura.Fody.props'))" />
     <Error Condition="!Exists('..\packages\Fody.6.3.0\build\Fody.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Fody.6.3.0\build\Fody.targets'))" />
-    <Error Condition="!Exists('..\packages\ReactiveUI.Fody.11.5.35\build\ReactiveUI.Fody.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\ReactiveUI.Fody.11.5.35\build\ReactiveUI.Fody.props'))" />
+    <Error Condition="!Exists('..\packages\ReactiveUI.Fody.12.1.5\build\ReactiveUI.Fody.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\ReactiveUI.Fody.12.1.5\build\ReactiveUI.Fody.props'))" />
   </Target>
   <Import Project="..\packages\Fody.6.3.0\build\Fody.targets" Condition="Exists('..\packages\Fody.6.3.0\build\Fody.targets')" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
diff --git a/test/ShadowsocksTest.csproj b/test/ShadowsocksTest.csproj
index 4d2640b7..4cc9932f 100644
--- a/test/ShadowsocksTest.csproj
+++ b/test/ShadowsocksTest.csproj
@@ -8,7 +8,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Shadowsocks.Test</RootNamespace>
     <AssemblyName>Shadowsocks.Test</AssemblyName>
-    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <VisualStudioVersion Condition="'$(VisualStudioVersion)' == ''">10.0</VisualStudioVersion>
diff --git a/test/app.config b/test/app.config
index ca8eec89..6c154743 100644
--- a/test/app.config
+++ b/test/app.config
@@ -4,7 +4,7 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="System.Runtime.CompilerServices.Unsafe" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.6.0" newVersion="4.0.6.0" />
+        <bindingRedirect oldVersion="0.0.0.0-5.0.0.0" newVersion="5.0.0.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Memory" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
@@ -16,4 +16,4 @@
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
-</configuration>
\ No newline at end of file
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8" /></startup></configuration>