diff --git a/v2rayN/v2rayN/Forms/MainForm.cs b/v2rayN/v2rayN/Forms/MainForm.cs
index 575f05f5..a2fec808 100644
--- a/v2rayN/v2rayN/Forms/MainForm.cs
+++ b/v2rayN/v2rayN/Forms/MainForm.cs
@@ -1,17 +1,14 @@
 using System;
 using System.Collections.Generic;
-using System.IO;
+using System.Diagnostics;
+using System.Drawing;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Windows.Forms;
+using v2rayN.Base;
 using v2rayN.Handler;
-using v2rayN.HttpProxyHandler;
 using v2rayN.Mode;
-using v2rayN.Base;
 using v2rayN.Tool;
-using System.Diagnostics;
-using System.Drawing;
-using System.Net;
-using System.Text.RegularExpressions;
 
 namespace v2rayN.Forms
 {
@@ -125,11 +122,11 @@ namespace v2rayN.Forms
                 //HttpProxyHandle.CloseHttpAgent(config);
                 if (blWindowsShutDown)
                 {
-                    HttpProxyHandle.ResetIEProxy4WindowsShutDown();
+                    SysProxyHandle.ResetIEProxy4WindowsShutDown();
                 }
                 else
                 {
-                    HttpProxyHandle.UpdateSysProxy(config, true);
+                    SysProxyHandle.UpdateSysProxy(config, true);
                 }
 
                 ConfigHandler.SaveConfig(ref config);
@@ -1214,7 +1211,7 @@ namespace v2rayN.Forms
 
         private void ChangePACButtonStatus(ESysProxyType type)
         {
-            HttpProxyHandle.UpdateSysProxy(config, false);
+            SysProxyHandle.UpdateSysProxy(config, false);
 
             for (int k = 0; k < menuSysAgentMode.DropDownItems.Count; k++)
             {
diff --git a/v2rayN/v2rayN/Forms/OptionSettingForm.cs b/v2rayN/v2rayN/Forms/OptionSettingForm.cs
index 97a3aa56..7a8c0525 100644
--- a/v2rayN/v2rayN/Forms/OptionSettingForm.cs
+++ b/v2rayN/v2rayN/Forms/OptionSettingForm.cs
@@ -1,11 +1,9 @@
 using System;
-using System.Collections.Generic;
+using System.Diagnostics;
 using System.Windows.Forms;
-using v2rayN.Handler;
 using v2rayN.Base;
-using v2rayN.HttpProxyHandler;
+using v2rayN.Handler;
 using v2rayN.Mode;
-using System.Diagnostics;
 
 namespace v2rayN.Forms
 {
diff --git a/v2rayN/v2rayN/Handler/ConfigHandler.cs b/v2rayN/v2rayN/Handler/ConfigHandler.cs
index 0fd71c75..ef587c0a 100644
--- a/v2rayN/v2rayN/Handler/ConfigHandler.cs
+++ b/v2rayN/v2rayN/Handler/ConfigHandler.cs
@@ -183,6 +183,7 @@ namespace v2rayN.Handler
                 }
             }
 
+            LazyConfig.Instance.SetConfig(ref config);
             return 0;
         }
 
diff --git a/v2rayN/v2rayN/Handler/LazyConfig.cs b/v2rayN/v2rayN/Handler/LazyConfig.cs
new file mode 100644
index 00000000..976c8970
--- /dev/null
+++ b/v2rayN/v2rayN/Handler/LazyConfig.cs
@@ -0,0 +1,24 @@
+using System;
+using v2rayN.Mode;
+
+namespace v2rayN.Handler
+{
+    public sealed class LazyConfig
+    {
+        private static readonly Lazy<LazyConfig> _instance = new Lazy<LazyConfig>(() => new LazyConfig());
+        private Config _config;
+
+        public static LazyConfig Instance
+        {
+            get { return _instance.Value; }
+        }
+        public void SetConfig(ref Config config)
+        {
+            _config = config;
+        }
+        public Config GetConfig()
+        {
+            return _config;
+        }
+    }
+}
diff --git a/v2rayN/v2rayN/HttpProxyHandler/ProxySetting.cs b/v2rayN/v2rayN/Handler/ProxySetting.cs
similarity index 99%
rename from v2rayN/v2rayN/HttpProxyHandler/ProxySetting.cs
rename to v2rayN/v2rayN/Handler/ProxySetting.cs
index 2ee71072..4e900eee 100644
--- a/v2rayN/v2rayN/HttpProxyHandler/ProxySetting.cs
+++ b/v2rayN/v2rayN/Handler/ProxySetting.cs
@@ -2,7 +2,7 @@
 using System;
 using System.Runtime.InteropServices;
 
-namespace v2rayN.HttpProxyHandler
+namespace v2rayN.Handler
 {
     class ProxySetting
     {
diff --git a/v2rayN/v2rayN/HttpProxyHandler/SysProxyHandle.cs b/v2rayN/v2rayN/Handler/SysProxyHandle.cs
similarity index 81%
rename from v2rayN/v2rayN/HttpProxyHandler/SysProxyHandle.cs
rename to v2rayN/v2rayN/Handler/SysProxyHandle.cs
index 2d6f96e0..0dc19e72 100644
--- a/v2rayN/v2rayN/HttpProxyHandler/SysProxyHandle.cs
+++ b/v2rayN/v2rayN/Handler/SysProxyHandle.cs
@@ -8,7 +8,7 @@ using v2rayN.Mode;
 using v2rayN.Properties;
 using v2rayN.Tool;
 
-namespace v2rayN.HttpProxyHandler
+namespace v2rayN.Handler
 {
     public static class SysProxyHandle
     {
@@ -47,6 +47,56 @@ namespace v2rayN.HttpProxyHandler
             }
         }
 
+
+        public static bool UpdateSysProxy(Config config, bool forceDisable)
+        {
+            var type = config.sysProxyType;
+
+            if (forceDisable && type == ESysProxyType.ForcedChange)
+            {
+                type = ESysProxyType.ForcedClear;
+            }
+
+            try
+            {
+                Global.httpPort = config.GetLocalPort(Global.InboundHttp);
+                int port = Global.httpPort;
+                if (port <= 0)
+                {
+                    return false;
+                }
+                if (type == ESysProxyType.ForcedChange)
+                {
+                    var strExceptions = $"{config.constItem.defIEProxyExceptions};{config.systemProxyExceptions}";
+                    SetIEProxy(true, $"{Global.Loopback}:{port}", strExceptions);
+                }
+                else if (type == ESysProxyType.ForcedClear)
+                {
+                    ResetIEProxy();
+                }
+                else if (type == ESysProxyType.Unchanged)
+                {
+                }
+            }
+            catch (Exception ex)
+            {
+                Utils.SaveLog(ex.Message, ex);
+            }
+            return true;
+        }
+
+        public static void ResetIEProxy4WindowsShutDown()
+        {
+            try
+            {
+                //TODO To be verified
+                Utils.RegWriteValue(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", "ProxyEnable", 0);
+            }
+            catch
+            {
+            }
+        }
+
         public static void SetIEProxy(bool enable, bool global, string strProxy)
         {
             //Read();
diff --git a/v2rayN/v2rayN/HttpProxyHandler/HttpProxyHandle.cs b/v2rayN/v2rayN/HttpProxyHandler/HttpProxyHandle.cs
deleted file mode 100644
index d4f14af0..00000000
--- a/v2rayN/v2rayN/HttpProxyHandler/HttpProxyHandle.cs
+++ /dev/null
@@ -1,199 +0,0 @@
-using System;
-using v2rayN.Mode;
-
-namespace v2rayN.HttpProxyHandler
-{
-    /// <summary>
-    /// 系统代理(http)模式
-    /// </summary>
-    public enum ListenerType
-    {
-        noHttpProxy = 0,
-        GlobalHttp = 1,
-        HttpOpenAndClear = 2,
-        HttpOpenOnly = 3,
-    }
-    /// <summary>
-    /// 系统代理(http)总处理
-    /// 启动privoxy提供http协议
-    /// 设置IE系统代理
-    /// </summary>
-    class HttpProxyHandle
-    {
-        private static bool Update(Config config, bool forceDisable)
-        {
-            // ListenerType type = config.listenerType;
-            var type = ListenerType.noHttpProxy;
-            if (forceDisable)
-            {
-                type = ListenerType.noHttpProxy;
-            }
-
-            try
-            {
-                if (type != ListenerType.noHttpProxy)
-                {
-                    int port = Global.httpPort;
-                    if (port <= 0)
-                    {
-                        return false;
-                    }
-                    if (type == ListenerType.GlobalHttp)
-                    {
-                        //ProxySetting.SetProxy($"{Global.Loopback}:{port}", Global.IEProxyExceptions, 2);
-                        SysProxyHandle.SetIEProxy(true, true, $"{Global.Loopback}:{port}");
-                    }
-                    else if (type == ListenerType.HttpOpenAndClear)
-                    {
-                        SysProxyHandle.ResetIEProxy();
-                    }
-                    else if (type == ListenerType.HttpOpenOnly)
-                    {
-                        //SysProxyHandle.ResetIEProxy();
-                    }
-                }
-                else
-                {
-                    SysProxyHandle.ResetIEProxy();
-                }
-            }
-            catch (Exception ex)
-            {
-                Utils.SaveLog(ex.Message, ex);
-            }
-            return true;
-        }
-
-        /// <summary>
-        /// 启用系统代理(http)
-        /// </summary>
-        /// <param name="config"></param>
-        private static void StartHttpAgent(Config config)
-        {
-            try
-            {
-                int localPort = config.GetLocalPort(Global.InboundSocks);
-                if (localPort > 0)
-                {
-                    PrivoxyHandler.Instance.Restart(localPort, config);
-                    if (PrivoxyHandler.Instance.RunningPort > 0)
-                    {
-                        Global.sysAgent = true;
-                        Global.socksPort = localPort;
-                        Global.httpPort = PrivoxyHandler.Instance.RunningPort;
-                    }
-                }
-            }
-            catch
-            {
-            }
-        }
-
-        /// <summary>
-        /// 关闭系统代理
-        /// </summary>
-        /// <param name="config"></param>
-        public static void CloseHttpAgent(Config config)
-        {
-            try
-            {
-                //if (config.listenerType != ListenerType.HttpOpenOnly)
-                //{
-                //    Update(config, true);
-                //}
-
-                PrivoxyHandler.Instance.Stop();
-
-                Global.sysAgent = false;
-                Global.socksPort = 0;
-                Global.httpPort = 0;
-            }
-            catch
-            {
-            }
-        }
-
-        /// <summary>
-        /// 重启系统代理(http)
-        /// </summary>
-        /// <param name="config"></param>
-        /// <param name="forced"></param>
-        public static void RestartHttpAgent(Config config, bool forced)
-        {
-            bool isRestart = false;
-            //if (config.listenerType == ListenerType.noHttpProxy)
-            //{
-            //    // 关闭http proxy时，直接返回
-            //    return;
-            //}
-            //强制重启或者socks端口变化
-            if (forced)
-            {
-                isRestart = true;
-            }
-            else
-            {
-                int localPort = config.GetLocalPort(Global.InboundSocks);
-                if (localPort != Global.socksPort)
-                {
-                    isRestart = true;
-                }
-            }
-            if (isRestart)
-            {
-                CloseHttpAgent(config);
-                StartHttpAgent(config);
-            }
-            Update(config, false);
-        }
-
-        public static bool UpdateSysProxy(Config config, bool forceDisable)
-        {
-            var type = config.sysProxyType;
-
-            if (forceDisable && type == ESysProxyType.ForcedChange)
-            {
-                type = ESysProxyType.ForcedClear;
-            }
-
-            try
-            {
-                Global.httpPort = config.GetLocalPort(Global.InboundHttp);
-                int port = Global.httpPort;
-                if (port <= 0)
-                {
-                    return false;
-                }
-                if (type == ESysProxyType.ForcedChange)
-                {
-                    var strExceptions = $"{config.constItem.defIEProxyExceptions};{config.systemProxyExceptions}";
-                    SysProxyHandle.SetIEProxy(true, $"{Global.Loopback}:{port}", strExceptions);
-                }
-                else if (type == ESysProxyType.ForcedClear)
-                {
-                    SysProxyHandle.ResetIEProxy();
-                }
-                else if (type == ESysProxyType.Unchanged)
-                {
-                }
-            }
-            catch (Exception ex)
-            {
-                Utils.SaveLog(ex.Message, ex);
-            }
-            return true;
-        }
-
-        public static void ResetIEProxy4WindowsShutDown()
-        {
-            try
-            {
-                //TODO To be verified
-                Utils.RegWriteValue(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", "ProxyEnable", 0);
-            }
-            catch
-            {
-            }
-        }
-    }
-}
diff --git a/v2rayN/v2rayN/HttpProxyHandler/PrivoxyHandler.cs b/v2rayN/v2rayN/HttpProxyHandler/PrivoxyHandler.cs
deleted file mode 100644
index a49e2d04..00000000
--- a/v2rayN/v2rayN/HttpProxyHandler/PrivoxyHandler.cs
+++ /dev/null
@@ -1,194 +0,0 @@
-using System;
-using System.Diagnostics;
-using System.IO;
-using System.Linq;
-using System.Text;
-using System.Windows.Forms;
-using v2rayN.Mode;
-using v2rayN.Properties;
-using v2rayN.Tool;
-
-namespace v2rayN.HttpProxyHandler
-{
-    /// <summary>
-    /// Privoxy处理类，提供http协议代理
-    /// </summary>
-    class PrivoxyHandler
-    {
-        /// <summary>
-        /// 单例
-        /// </summary>
-        private static PrivoxyHandler instance;
-
-        private static int _uid;
-        private static string _uniqueConfigFile;
-        private Process _process;
-        private static string _privoxyName = "v2ray_privoxy";
-
-        static PrivoxyHandler()
-        {
-            try
-            {
-                _uid = Application.StartupPath.GetHashCode();
-                _uniqueConfigFile = string.Format("privoxy_{0}.conf", _uid);
-
-                FileManager.UncompressFile(Utils.GetTempPath($"{_privoxyName}.exe"), Resources.privoxy_exe);
-            }
-            catch (IOException ex)
-            {
-                Utils.SaveLog(ex.Message, ex);
-            }
-        }
-
-        /// <summary>
-        /// 单例
-        /// </summary>
-        public static PrivoxyHandler Instance
-        {
-            get
-            {
-                if (instance == null)
-                {
-                    instance = new PrivoxyHandler();
-                }
-                return instance;
-            }
-        }
-
-        public int RunningPort
-        {
-            get; set;
-        }
-
-        public void Restart(int localPort, Config config)
-        {
-            Stop();
-            Start(localPort, config);
-        }
-
-
-        public void Start(int localPort, Config config)
-        {
-            try
-            {
-                if (_process == null)
-                {
-
-                    string privoxyConfig = "";//Resources.privoxy_conf;
-                    RunningPort = config.GetLocalPort(Global.InboundHttp);
-                    privoxyConfig = privoxyConfig.Replace("__SOCKS_PORT__", localPort.ToString());
-                    privoxyConfig = privoxyConfig.Replace("__PRIVOXY_BIND_PORT__", RunningPort.ToString());
-                    if (config.allowLANConn)
-                    {
-                        privoxyConfig = privoxyConfig.Replace("__PRIVOXY_BIND_IP__", "0.0.0.0");
-                    }
-                    else
-                    {
-                        privoxyConfig = privoxyConfig.Replace("__PRIVOXY_BIND_IP__", Global.Loopback);
-                    }
-                    FileManager.ByteArrayToFile(Utils.GetTempPath(_uniqueConfigFile), Encoding.UTF8.GetBytes(privoxyConfig));
-
-                    _process = new Process
-                    {
-                        // Configure the process using the StartInfo properties.
-                        StartInfo =
-                    {
-                        FileName = $"{_privoxyName}.exe",
-                        Arguments = _uniqueConfigFile,
-                        WorkingDirectory = Utils.GetTempPath(),
-                        WindowStyle = ProcessWindowStyle.Hidden,
-                        UseShellExecute = true,
-                        CreateNoWindow = true
-                    }
-                    };
-                    _process.Start();
-
-                    /*
-                     * Add this process to job obj associated with this ss process, so that
-                     * when ss exit unexpectedly, this process will be forced killed by system.
-                     */
-
-                    Global.processJob.AddProcess(_process.Handle);
-                }
-            }
-            catch (Exception ex)
-            {
-                RunningPort = 0;
-                Utils.SaveLog(ex.Message, ex);
-            }
-        }
-
-        public void Stop()
-        {
-            if (_process != null)
-            {
-                KillProcess(_process);
-                _process.Dispose();
-                _process = null;
-                RunningPort = 0;
-            }
-            else
-            {
-                Process[] existingPrivoxy = Process.GetProcessesByName(_privoxyName);
-                foreach (Process p in existingPrivoxy.Where(IsChildProcess))
-                {
-                    KillProcess(p);
-                }
-            }
-        }
-
-        private static void KillProcess(Process p)
-        {
-            try
-            {
-                p.CloseMainWindow();
-                p.WaitForExit(100);
-                if (!p.HasExited)
-                {
-                    p.Kill();
-                    p.WaitForExit(100);
-                }
-            }
-            catch (Exception ex)
-            {
-                Utils.SaveLog(ex.Message, ex);
-            }
-        }
-
-        /*
-         * We won't like to kill other ss instances' v2ray_privoxy.exe.
-         * This function will check whether the given process is created
-         * by this process by checking the module path or command line.
-         * 
-         * Since it's required to put ss in different dirs to run muti instances,
-         * different instance will create their unique "privoxy_UID.conf" where
-         * UID is hash of ss's location.
-         */
-
-        private static bool IsChildProcess(Process process)
-        {
-            try
-            {
-                /*
-                 * Under PortableMode, we could identify it by the path of v2ray_privoxy.exe.
-                 */
-                string path = process.MainModule.FileName;
-
-                return Utils.GetTempPath($"{_privoxyName}.exe").Equals(path);
-
-            }
-            catch (Exception ex)
-            {
-                Utils.SaveLog(ex.Message, ex);
-                /*
-                 * Sometimes Process.GetProcessesByName will return some processes that
-                 * are already dead, and that will cause exceptions here.
-                 * We could simply ignore those exceptions.
-                 */
-                //Logging.LogUsefulException(ex);
-                return false;
-            }
-        }
-
-    }
-}
diff --git a/v2rayN/v2rayN/Mode/Config.cs b/v2rayN/v2rayN/Mode/Config.cs
index 505a6101..f2ca1c04 100644
--- a/v2rayN/v2rayN/Mode/Config.cs
+++ b/v2rayN/v2rayN/Mode/Config.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using v2rayN.Base;
-using v2rayN.HttpProxyHandler;
 
 
 namespace v2rayN.Mode
diff --git a/v2rayN/v2rayN/Properties/Resources.Designer.cs b/v2rayN/v2rayN/Properties/Resources.Designer.cs
index 672c250f..a1c0e06f 100644
--- a/v2rayN/v2rayN/Properties/Resources.Designer.cs
+++ b/v2rayN/v2rayN/Properties/Resources.Designer.cs
@@ -47,8 +47,8 @@ namespace v2rayN.Properties {
         }
         
         /// <summary>
-        ///   重写当前线程的 CurrentUICulture 属性
-        ///   重写当前线程的 CurrentUICulture 属性。
+        ///   重写当前线程的 CurrentUICulture 属性，对
+        ///   使用此强类型资源类的所有资源查找执行重写。
         /// </summary>
         [global::System.ComponentModel.EditorBrowsableAttribute(global::System.ComponentModel.EditorBrowsableState.Advanced)]
         internal static global::System.Globalization.CultureInfo Culture {
@@ -120,16 +120,6 @@ namespace v2rayN.Properties {
             }
         }
         
-        /// <summary>
-        ///   查找 System.Byte[] 类型的本地化资源。
-        /// </summary>
-        internal static byte[] privoxy_exe {
-            get {
-                object obj = ResourceManager.GetObject("privoxy_exe", resourceCulture);
-                return ((byte[])(obj));
-            }
-        }
-        
         /// <summary>
         ///   查找 System.Drawing.Bitmap 类型的本地化资源。
         /// </summary>
diff --git a/v2rayN/v2rayN/Properties/Resources.resx b/v2rayN/v2rayN/Properties/Resources.resx
index 2ffcd3a9..c5d8319b 100644
--- a/v2rayN/v2rayN/Properties/Resources.resx
+++ b/v2rayN/v2rayN/Properties/Resources.resx
@@ -118,9 +118,6 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
-  <data name="privoxy_exe" type="System.Resources.ResXFileRef, System.Windows.Forms">
-    <value>..\resources\privoxy.exe.gz;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
-  </data>
   <data name="about" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\Resources\about.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>
diff --git a/v2rayN/v2rayN/Resources/privoxy.exe.gz b/v2rayN/v2rayN/Resources/privoxy.exe.gz
deleted file mode 100644
index bf58503c..00000000
Binary files a/v2rayN/v2rayN/Resources/privoxy.exe.gz and /dev/null differ
diff --git a/v2rayN/v2rayN/v2rayN.csproj b/v2rayN/v2rayN/v2rayN.csproj
index d86e904a..202d3e56 100644
--- a/v2rayN/v2rayN/v2rayN.csproj
+++ b/v2rayN/v2rayN/v2rayN.csproj
@@ -149,6 +149,7 @@
     <Compile Include="Forms\ServerTransportControl.Designer.cs">
       <DependentUpon>ServerTransportControl.cs</DependentUpon>
     </Compile>
+    <Compile Include="Handler\LazyConfig.cs" />
     <Compile Include="Handler\ShareHandler.cs" />
     <Compile Include="Handler\UpdateHandle.cs" />
     <Compile Include="Mode\ComboItem.cs" />
@@ -198,13 +199,11 @@
     <Compile Include="Handler\SpeedtestHandler.cs" />
     <Compile Include="Handler\StatisticsHandler.cs" />
     <Compile Include="Handler\DownloadHandle.cs" />
-    <Compile Include="HttpProxyHandler\PrivoxyHandler.cs" />
-    <Compile Include="HttpProxyHandler\ProxySetting.cs" />
-    <Compile Include="HttpProxyHandler\HttpProxyHandle.cs" />
+    <Compile Include="Handler\ProxySetting.cs" />
     <Compile Include="Base\WebClientEx.cs">
       <SubType>Component</SubType>
     </Compile>
-    <Compile Include="HttpProxyHandler\SysProxyHandle.cs" />
+    <Compile Include="Handler\SysProxyHandle.cs" />
     <Compile Include="Mode\ECoreType.cs" />
     <Compile Include="Mode\ESysProxyType.cs" />
     <Compile Include="Mode\EMove.cs" />
@@ -466,7 +465,6 @@
     <EmbeddedResource Include="Sample\SampleServerConfig.txt" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="Resources\privoxy.exe.gz" />
     <None Include="Resources\restart.png" />
   </ItemGroup>
   <ItemGroup>