diff --git a/v2rayN/v2rayN/Handler/StatisticsHandler.cs b/v2rayN/v2rayN/Handler/StatisticsHandler.cs
index 4593b3ca..12a9154e 100644
--- a/v2rayN/v2rayN/Handler/StatisticsHandler.cs
+++ b/v2rayN/v2rayN/Handler/StatisticsHandler.cs
@@ -6,7 +6,9 @@ using System.Net;
 using System.Net.Sockets;
 using System.Threading;
 using v2rayN.Mode;
+using v2rayN.Properties;
 using v2rayN.Protos.Statistics;
+using v2rayN.Tool;
 
 namespace v2rayN.Handler
 {
@@ -66,6 +68,23 @@ namespace v2rayN.Handler
 
         public StatisticsHandler(Mode.Config config, Action<ulong, ulong, ulong, ulong, List<Mode.ServerStatistics>> update)
         {
+            try
+            {
+                if (Environment.Is64BitOperatingSystem)
+                {
+                    FileManager.UncompressFile(Utils.GetPath("grpc_csharp_ext.x64.dll"), Resources.grpc_csharp_ext_x64_dll);
+                }
+                else
+                {
+                    FileManager.UncompressFile(Utils.GetPath("grpc_csharp_ext.x86.dll"), Resources.grpc_csharp_ext_x86_dll);
+                }
+            }
+            catch (IOException ex)
+            {
+                Utils.SaveLog(ex.Message, ex);
+
+            }
+
             config_ = config;
             enabled_ = config.enableStatistics;
             UpdateUI = false;
diff --git a/v2rayN/v2rayN/HttpProxyHandler/PrivoxyHandler.cs b/v2rayN/v2rayN/HttpProxyHandler/PrivoxyHandler.cs
index 3bbe6d1d..6dc229d3 100644
--- a/v2rayN/v2rayN/HttpProxyHandler/PrivoxyHandler.cs
+++ b/v2rayN/v2rayN/HttpProxyHandler/PrivoxyHandler.cs
@@ -34,7 +34,6 @@ namespace v2rayN.HttpProxyHandler
                 _privoxyJob = new Job();
 
                 FileManager.UncompressFile(Utils.GetTempPath("v2ray_privoxy.exe"), Resources.privoxy_exe);
-                FileManager.UncompressFile(Utils.GetTempPath("mgwz.dll"), Resources.mgwz_dll);
             }
             catch (IOException ex)
             {
diff --git a/v2rayN/v2rayN/Properties/Resources.Designer.cs b/v2rayN/v2rayN/Properties/Resources.Designer.cs
index 3935f663..f2d8f030 100644
--- a/v2rayN/v2rayN/Properties/Resources.Designer.cs
+++ b/v2rayN/v2rayN/Properties/Resources.Designer.cs
@@ -19,7 +19,7 @@ namespace v2rayN.Properties {
     // 类通过类似于 ResGen 或 Visual Studio 的工具自动生成的。
     // 若要添加或移除成员，请编辑 .ResX 文件，然后重新运行 ResGen
     // (以 /str 作为命令选项)，或重新生成 VS 项目。
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "16.0.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "15.0.0.0")]
     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     internal class Resources {
@@ -91,25 +91,35 @@ namespace v2rayN.Properties {
         }
         
         /// <summary>
-        ///   查找 System.Drawing.Bitmap 类型的本地化资源。
+        ///   查找 System.Byte[] 类型的本地化资源。
         /// </summary>
-        internal static System.Drawing.Bitmap help {
+        internal static byte[] grpc_csharp_ext_x64_dll {
             get {
-                object obj = ResourceManager.GetObject("help", resourceCulture);
-                return ((System.Drawing.Bitmap)(obj));
+                object obj = ResourceManager.GetObject("grpc_csharp_ext_x64_dll", resourceCulture);
+                return ((byte[])(obj));
             }
         }
         
         /// <summary>
         ///   查找 System.Byte[] 类型的本地化资源。
         /// </summary>
-        internal static byte[] mgwz_dll {
+        internal static byte[] grpc_csharp_ext_x86_dll {
             get {
-                object obj = ResourceManager.GetObject("mgwz_dll", resourceCulture);
+                object obj = ResourceManager.GetObject("grpc_csharp_ext_x86_dll", resourceCulture);
                 return ((byte[])(obj));
             }
         }
         
+        /// <summary>
+        ///   查找 System.Drawing.Bitmap 类型的本地化资源。
+        /// </summary>
+        internal static System.Drawing.Bitmap help {
+            get {
+                object obj = ResourceManager.GetObject("help", resourceCulture);
+                return ((System.Drawing.Bitmap)(obj));
+            }
+        }
+        
         /// <summary>
         ///   查找 System.Drawing.Bitmap 类型的本地化资源。
         /// </summary>
@@ -157,6 +167,7 @@ namespace v2rayN.Properties {
         ///show-on-task-bar 0
         ///activity-animation 0
         ///forward-socks5 / 127.0.0.1:__SOCKS_PORT__ .
+        ///max-client-connections 2048
         ///hide-console
         /// 的本地化字符串。
         /// </summary>
diff --git a/v2rayN/v2rayN/Properties/Resources.resx b/v2rayN/v2rayN/Properties/Resources.resx
index f69a06b9..2488ee55 100644
--- a/v2rayN/v2rayN/Properties/Resources.resx
+++ b/v2rayN/v2rayN/Properties/Resources.resx
@@ -127,12 +127,15 @@
   <data name="checkupdate" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\resources\checkupdate.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
+  <data name="grpc_csharp_ext_x64_dll" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\resources\grpc_csharp_ext.x64.dll.gz;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
+  <data name="grpc_csharp_ext_x86_dll" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\resources\grpc_csharp_ext.x86.dll.gz;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </data>
   <data name="help" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\resources\help.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
-  <data name="mgwz_dll" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\resources\mgwz.dll.gz;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
   <data name="minimize" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\minimize.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
diff --git a/v2rayN/v2rayN/Resources/grpc_csharp_ext.x64.dll.gz b/v2rayN/v2rayN/Resources/grpc_csharp_ext.x64.dll.gz
new file mode 100644
index 00000000..b69a16bd
Binary files /dev/null and b/v2rayN/v2rayN/Resources/grpc_csharp_ext.x64.dll.gz differ
diff --git a/v2rayN/v2rayN/Resources/grpc_csharp_ext.x86.dll.gz b/v2rayN/v2rayN/Resources/grpc_csharp_ext.x86.dll.gz
new file mode 100644
index 00000000..d56025ca
Binary files /dev/null and b/v2rayN/v2rayN/Resources/grpc_csharp_ext.x86.dll.gz differ
diff --git a/v2rayN/v2rayN/Resources/mgwz.dll.gz b/v2rayN/v2rayN/Resources/mgwz.dll.gz
deleted file mode 100644
index 40a33e5d..00000000
Binary files a/v2rayN/v2rayN/Resources/mgwz.dll.gz and /dev/null differ
diff --git a/v2rayN/v2rayN/grpc_csharp_ext.x64.dll b/v2rayN/v2rayN/grpc_csharp_ext.x64.dll
deleted file mode 100644
index 8c10df69..00000000
Binary files a/v2rayN/v2rayN/grpc_csharp_ext.x64.dll and /dev/null differ
diff --git a/v2rayN/v2rayN/grpc_csharp_ext.x86.dll b/v2rayN/v2rayN/grpc_csharp_ext.x86.dll
deleted file mode 100644
index dd3876df..00000000
Binary files a/v2rayN/v2rayN/grpc_csharp_ext.x86.dll and /dev/null differ
diff --git a/v2rayN/v2rayN/v2rayN.csproj b/v2rayN/v2rayN/v2rayN.csproj
index 53b582b3..d11b4a76 100644
--- a/v2rayN/v2rayN/v2rayN.csproj
+++ b/v2rayN/v2rayN/v2rayN.csproj
@@ -198,6 +198,11 @@
     <Compile Include="Mode\ServerStatistics.cs" />
     <Compile Include="Mode\SysproxyConfig.cs" />
     <Compile Include="Mode\EConfigType.cs" />
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
     <Compile Include="Resx\ResUI.zh-Hans.Designer.cs">
       <AutoGen>True</AutoGen>
       <DesignTime>True</DesignTime>
@@ -319,14 +324,9 @@
     </EmbeddedResource>
     <EmbeddedResource Include="Properties\Resources.resx">
       <Generator>ResXFileCodeGenerator</Generator>
-      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
       <SubType>Designer</SubType>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
     </EmbeddedResource>
-    <Compile Include="Properties\Resources.Designer.cs">
-      <AutoGen>True</AutoGen>
-      <DependentUpon>Resources.resx</DependentUpon>
-      <DesignTime>True</DesignTime>
-    </Compile>
     <EmbeddedResource Include="app.config">
       <SubType>Designer</SubType>
     </EmbeddedResource>
@@ -342,6 +342,8 @@
     </Compile>
     <Protobuf Include="Protos\Statistics.proto" />
     <None Include="Resources\abp.js.gz" />
+    <None Include="Resources\grpc_csharp_ext.x64.dll.gz" />
+    <None Include="Resources\grpc_csharp_ext.x86.dll.gz" />
     <None Include="Resources\pac.txt.gz" />
     <None Include="Resources\sysproxy.exe.gz" />
     <None Include="Resources\sysproxy64.exe.gz" />
@@ -392,7 +394,6 @@
     <EmbeddedResource Include="Sample\SampleServerConfig.txt" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="Resources\mgwz.dll.gz" />
     <None Include="Resources\privoxy.exe.gz" />
     <None Include="Resources\restart.png" />
   </ItemGroup>
@@ -420,12 +421,6 @@
     <EmbeddedResource Include="LIB\System.Runtime.CompilerServices.Unsafe.dll" />
     <EmbeddedResource Include="LIB\zxing.dll" />
     <EmbeddedResource Include="LIB\zxing.presentation.dll" />
-    <Content Include="grpc_csharp_ext.x64.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </Content>
-    <Content Include="grpc_csharp_ext.x86.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </Content>
     <EmbeddedResource Include="LIB\netstandard.dll" />
     <Content Include="Resources\help.png" />
     <None Include="Resources\notify.png" />