diff --git a/Netch/Controllers/DNSController.cs b/Netch/Controllers/DNSController.cs
index 29a573ed..b58cd538 100644
--- a/Netch/Controllers/DNSController.cs
+++ b/Netch/Controllers/DNSController.cs
@@ -8,7 +8,7 @@ namespace Netch.Controllers
     {
         public DNSController()
         {
-            AkaName = "dns Service";
+            Name = "dns Service";
             MainFile = "unbound";
             ExtFiles = new[] {"unbound-service.conf", "forward-zone.conf"};
             InitCheck();
@@ -44,7 +44,7 @@ namespace Netch.Controllers
 
         private void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
         {
-            WriteLog(e);
+            Write(e.Data);
         }
 
         public override void Stop()
diff --git a/Netch/Controllers/EncryptedProxy/SSController.cs b/Netch/Controllers/EncryptedProxy/SSController.cs
index 00bea7d7..4780c2ce 100644
--- a/Netch/Controllers/EncryptedProxy/SSController.cs
+++ b/Netch/Controllers/EncryptedProxy/SSController.cs
@@ -92,7 +92,7 @@ namespace Netch.Controllers
 
         public override void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
         {
-            if (!WriteLog(e)) return;
+            if (!Write(e.Data)) return;
             if (State == State.Starting)
             {
                 if (Instance.HasExited)
diff --git a/Netch/Controllers/EncryptedProxy/SSRController.cs b/Netch/Controllers/EncryptedProxy/SSRController.cs
index d11975e0..6ef77874 100644
--- a/Netch/Controllers/EncryptedProxy/SSRController.cs
+++ b/Netch/Controllers/EncryptedProxy/SSRController.cs
@@ -18,7 +18,6 @@ namespace Netch.Controllers
             if (!Ready) return false;
 
             Instance = GetProcess("bin\\ShadowsocksR.exe");
-            Instance.StartInfo.FileName = "bin\\ShadowsocksR.exe";
             Instance.OutputDataReceived += OnOutputDataReceived;
             Instance.ErrorDataReceived += OnOutputDataReceived;
 
@@ -69,7 +68,7 @@ namespace Netch.Controllers
 
         public override void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
         {
-            if (!WriteLog(e)) return;
+            if (!Write(e.Data)) return;
             if (State == State.Starting)
             {
                 if (Instance.HasExited)
diff --git a/Netch/Controllers/EncryptedProxy/TrojanController.cs b/Netch/Controllers/EncryptedProxy/TrojanController.cs
index 090609b1..5b75b0ff 100644
--- a/Netch/Controllers/EncryptedProxy/TrojanController.cs
+++ b/Netch/Controllers/EncryptedProxy/TrojanController.cs
@@ -63,7 +63,7 @@ namespace Netch.Controllers
 
         public override void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
         {
-            if (!WriteLog(e)) return;
+            if (!Write(e.Data)) return;
             if (State == State.Starting)
             {
                 if (Instance.HasExited)
diff --git a/Netch/Controllers/EncryptedProxy/VMessController.cs b/Netch/Controllers/EncryptedProxy/VMessController.cs
index 944ad063..19365fab 100644
--- a/Netch/Controllers/EncryptedProxy/VMessController.cs
+++ b/Netch/Controllers/EncryptedProxy/VMessController.cs
@@ -205,7 +205,7 @@ namespace Netch.Controllers
 
         public override void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
         {
-            if (!WriteLog(e)) return;
+            if (!Write(e.Data)) return;
             if (State == State.Starting)
             {
                 if (Instance.HasExited)
diff --git a/Netch/Controllers/Interface/Controller.cs b/Netch/Controllers/Interface/Controller.cs
index 76ca45e9..f551094d 100644
--- a/Netch/Controllers/Interface/Controller.cs
+++ b/Netch/Controllers/Interface/Controller.cs
@@ -13,7 +13,7 @@ namespace Netch.Controllers
         ///     <param />
         ///     未赋值会在 <see cref="InitCheck" /> 赋值为 <see cref="MainFile" />
         /// </summary>
-        public string AkaName;
+        public string Name;
 
         /// <summary>
         ///     其他需要文件
@@ -66,7 +66,7 @@ namespace Netch.Controllers
         /// <returns></returns>
         protected void InitCheck()
         {
-            if (string.IsNullOrEmpty(AkaName)) AkaName = MainFile;
+            if (string.IsNullOrEmpty(Name)) Name = MainFile;
 
             var result = false;
             // 杀残留
@@ -74,7 +74,7 @@ namespace Netch.Controllers
             // 清日志
             try
             {
-                if (File.Exists($"logging\\{AkaName}.log")) File.Delete($"logging\\{AkaName}.log");
+                if (File.Exists($"logging\\{Name}.log")) File.Delete($"logging\\{Name}.log");
             }
             catch (Exception)
             {
@@ -90,38 +90,37 @@ namespace Netch.Controllers
                 Logging.Error($"主程序 bin\\{MainFile}.exe 不存在");
             }
 
-            if (ExtFiles == null)
-                extResult = true;
-            else
-                foreach (var f in ExtFiles)
-                    if (!File.Exists($"bin\\{f}"))
+            if (ExtFiles != null)
+            {
+                foreach (var file in ExtFiles)
+                    if (!File.Exists($"bin\\{file}"))
                     {
                         extResult = false;
-                        Logging.Error($"附加文件 bin\\{f} 不存在");
+                        Logging.Error($"附加文件 bin\\{file} 不存在");
                     }
+            }
 
             result = extResult && mainResult;
             if (!result)
-                Logging.Error(AkaName + " 未就绪");
+                Logging.Error(Name + " 未就绪");
             Ready = result;
         }
 
         /// <summary>
         ///     写日志
         /// </summary>
-        /// <param name="std"></param>
-        /// <returns><see cref="std" />是否为空</returns>
-        protected bool WriteLog(DataReceivedEventArgs std)
+        /// <param name="s"></param>
+        /// <returns><see cref="s" />是否为空</returns>
+        protected bool Write(string s)
         {
-            if (string.IsNullOrWhiteSpace(std.Data)) return false;
+            if (string.IsNullOrWhiteSpace(s)) return false;
             try
-
             {
-                File.AppendAllText($"logging\\{AkaName}.log", $@"{std.Data}{Global.EOF}");
+                File.AppendAllText($"logging\\{Name}.log", s + Global.EOF);
             }
             catch (Exception e)
             {
-                Logging.Error($"写入{AkaName}日志错误：\n" + e);
+                Logging.Error($"写入{Name}日志错误：\n" + e);
             }
 
             return true;
diff --git a/Netch/Controllers/MainController.cs b/Netch/Controllers/MainController.cs
index 93b3d66d..ae144998 100644
--- a/Netch/Controllers/MainController.cs
+++ b/Netch/Controllers/MainController.cs
@@ -18,7 +18,7 @@ namespace Netch.Controllers
         /// <summary>
         ///     NTT 控制器
         /// </summary>
-        public NTTController pNTTController;
+        public NTTController pNTTController = new NTTController();
 
         [DllImport("dnsapi", EntryPoint = "DnsFlushResolverCache")]
         public static extern uint FlushDNSResolverCache();
@@ -31,7 +31,6 @@ namespace Netch.Controllers
         /// <returns>是否启动成功</returns>
         public bool Start(Server server, Mode mode)
         {
-            pNTTController ??= new NTTController();
             FlushDNSResolverCache();
 
             var result = false;
@@ -57,12 +56,13 @@ namespace Netch.Controllers
                         break;
                 }
 
-                MainForm.Instance.StatusText(i18N.Translate("Starting ", pEncryptedProxyController.AkaName));
+                Global.MainForm.StatusText(i18N.Translate("Starting ", pEncryptedProxyController.Name));
                 if (pEncryptedProxyController.Ready) result = pEncryptedProxyController.Start(server, mode);
             }
 
             if (result)
             {
+                Logging.Info("加密代理已启动");
                 // 加密代理已启动
                 switch (mode.Type)
                 {
@@ -84,26 +84,29 @@ namespace Netch.Controllers
 
                 if (pModeController != null && pModeController.Ready)
                 {
-                    MainForm.Instance.StatusText(i18N.Translate("Starting ", pModeController.AkaName));
+                    Global.MainForm.StatusText(i18N.Translate("Starting ", pModeController.Name));
                     result = pModeController.Start(server, mode);
                 }
 
-                switch (mode.Type)
+                if (result)
                 {
-                    case 0:
-                    case 1:
-                    case 2:
-                        if (result)
+                    Logging.Info("模式已启动");
+                    switch (mode.Type)
+                    {
+                        case 0:
+                        case 1:
+                        case 2:
                             Task.Run(() =>
                             {
-                                MainForm.Instance.NatTypeStatusText(i18N.Translate("Starting NatTester"));
+                                Global.MainForm.NatTypeStatusText(i18N.Translate("Starting NatTester"));
                                 // Thread.Sleep(1000);
                                 var (nttResult, natType, localEnd, publicEnd) = pNTTController.Start();
                                 var country = Utils.Utils.GetCityCode(publicEnd);
 
-                                if (nttResult) MainForm.Instance.NatTypeStatusText(natType, country);
+                                if (nttResult) Global.MainForm.NatTypeStatusText(natType, country);
                             });
-                        break;
+                            break;
+                    }
                 }
             }
 
diff --git a/Netch/Controllers/Mode/HTTPController.cs b/Netch/Controllers/Mode/HTTPController.cs
index df320b9b..99565bc0 100644
--- a/Netch/Controllers/Mode/HTTPController.cs
+++ b/Netch/Controllers/Mode/HTTPController.cs
@@ -19,7 +19,7 @@ namespace Netch.Controllers
 
         public HTTPController()
         {
-            AkaName = "HTTP";
+            Name = "HTTP";
             Ready = true;
         }
 
diff --git a/Netch/Controllers/Mode/NFController.cs b/Netch/Controllers/Mode/NFController.cs
index f947fed3..16c7184e 100644
--- a/Netch/Controllers/Mode/NFController.cs
+++ b/Netch/Controllers/Mode/NFController.cs
@@ -25,9 +25,7 @@ namespace Netch.Controllers
 
         static NFController()
         {
-            // 生成系统版本
-            var winNTver = $"{Environment.OSVersion.Version.Major.ToString()}.{Environment.OSVersion.Version.Minor.ToString()}";
-            switch (winNTver)
+            switch ($"{Environment.OSVersion.Version.Major}.{Environment.OSVersion.Version.Minor}")
             {
                 case "10.0":
                     BinDriver = "Win-10.sys";
@@ -41,7 +39,7 @@ namespace Netch.Controllers
                     BinDriver = "Win-7.sys";
                     break;
                 default:
-                    Logging.Error($"不支持的系统版本：{winNTver}");
+                    Logging.Error($"不支持的系统版本：{Environment.OSVersion.Version}");
                     return;
             }
 
@@ -131,11 +129,11 @@ namespace Netch.Controllers
                         // 防止其他程序占用 重置 NF 百万连接数限制
                         NFService.Stop();
                         NFService.WaitForStatus(ServiceControllerStatus.Stopped);
-                        MainForm.Instance.StatusText(i18N.Translate("Starting netfilter2 Service"));
+                        Global.MainForm.StatusText(i18N.Translate("Starting netfilter2 Service"));
                         NFService.Start();
                         break;
                     case ServiceControllerStatus.Stopped:
-                        MainForm.Instance.StatusText(i18N.Translate("Starting netfilter2 Service"));
+                        Global.MainForm.StatusText(i18N.Translate("Starting netfilter2 Service"));
                         NFService.Start();
                         break;
                 }
@@ -208,12 +206,12 @@ namespace Netch.Controllers
                 return false;
             }
 
-            MainForm.Instance.StatusText(i18N.Translate("Register driver"));
+            Global.MainForm.StatusText(i18N.Translate("Register driver"));
             // 注册驱动文件
             var result = NFAPI.nf_registerDriver("netfilter2");
             if (result == NF_STATUS.NF_STATUS_SUCCESS)
             {
-                Logging.Info($"驱动安装成功，当前驱动版本:{DriverVersion(DriverVersion(SystemDriver))}");
+                Logging.Info($"驱动安装成功，当前驱动版本:{DriverVersion(SystemDriver)}");
             }
             else
             {
@@ -226,7 +224,7 @@ namespace Netch.Controllers
 
         private void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
         {
-            if (!WriteLog(e)) return;
+            if (!Write(e.Data)) return;
             if (State == State.Starting)
             {
                 if (Instance.HasExited)
diff --git a/Netch/Controllers/Mode/TUNTAPController.cs b/Netch/Controllers/Mode/TUNTAPController.cs
index 479756bc..c6dd0b64 100644
--- a/Netch/Controllers/Mode/TUNTAPController.cs
+++ b/Netch/Controllers/Mode/TUNTAPController.cs
@@ -62,7 +62,7 @@ namespace Netch.Controllers
         /// </summary>
         public bool SetupBypass()
         {
-            MainForm.Instance.StatusText(i18N.Translate("SetupBypass"));
+            Global.MainForm.StatusText(i18N.Translate("SetupBypass"));
             Logging.Info("设置绕行规则 → 设置让服务器 IP 走直连");
             // 让服务器 IP 走直连
             foreach (var address in _serverAddresses)
@@ -310,7 +310,7 @@ namespace Netch.Controllers
         {
             if (!Ready) return false;
 
-            MainForm.Instance.StatusText(i18N.Translate("Starting Tap"));
+            Global.MainForm.StatusText(i18N.Translate("Starting Tap"));
 
             _savedMode = mode;
             _savedServer = server;
@@ -391,7 +391,7 @@ namespace Netch.Controllers
 
         private void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
         {
-            if (!WriteLog(e)) return;
+            if (!Write(e.Data)) return;
             if (State == State.Starting)
             {
                 if (e.Data.Contains("Running"))
diff --git a/Netch/Forms/MainForm.Control.cs b/Netch/Forms/MainForm.Control.cs
index 100a6925..62344bd6 100644
--- a/Netch/Forms/MainForm.Control.cs
+++ b/Netch/Forms/MainForm.Control.cs
@@ -15,9 +15,13 @@ namespace Netch.Forms
 
     partial class MainForm
     {
-        public void ControlFun()
+        private bool _isFirstCloseWindow = true;
+
+        private void ControlFun()
         {
-            SaveConfigs();
+            //防止模式选择框变成蓝色:D
+            ModeComboBox.Select(0, 0);
+
             if (State == State.Waiting || State == State.Stopped)
             {
                 // 服务器、模式 需选择
@@ -33,36 +37,23 @@ namespace Netch.Forms
                     return;
                 }
 
-                //MenuStrip.Enabled = ConfigurationGroupBox.Enabled = ControlButton.Enabled = SettingsButton.Enabled = false;
-
                 UpdateStatus(State.Starting);
 
-                Firewall.AddNetchFwRules();
-
                 Task.Run(() =>
                 {
+                    Task.Run(Firewall.AddNetchFwRules);
+
                     var server = ServerComboBox.SelectedItem as Models.Server;
                     var mode = ModeComboBox.SelectedItem as Models.Mode;
 
-                    MainController ??= new MainController();
-
-                    var startResult = MainController.Start(server, mode);
-
-                    if (startResult)
+                    if (_mainController.Start(server, mode))
                     {
                         Task.Run(() =>
                         {
-                            UpdateStatus(State.Started);
-                            StatusText(i18N.Translate(StateExtension.GetStatusString(State)) + PortText(server.Type,mode.Type));
-                            
-                            LastUploadBandwidth = 0;
-                            //LastDownloadBandwidth = 0;
-                            //UploadSpeedLabel.Text = "↑: 0 KB/s";
-                            DownloadSpeedLabel.Text = "↑↓: 0 KB/s";
-                            UsedBandwidthLabel.Text = $"{i18N.Translate("Used",": ")}0 KB";
-                            UsedBandwidthLabel.Visible = UploadSpeedLabel.Visible = DownloadSpeedLabel.Visible = true;
-                            UploadSpeedLabel.Visible = false;
-                            Bandwidth.NetTraffic(server, mode, MainController);
+                            UpdateStatus(State.Started,
+                                i18N.Translate(StateExtension.GetStatusString(State.Started)) + PortText(server.Type, mode.Type));
+
+                            Bandwidth.NetTraffic(server, mode, _mainController);
                         });
 
                         // 如果勾选启动后最小化
@@ -71,7 +62,7 @@ namespace Netch.Forms
                             WindowState = FormWindowState.Minimized;
                             NotifyIcon.Visible = true;
 
-                            if (IsFirstOpened)
+                            if (_isFirstCloseWindow)
                             {
                                 // 显示提示语
                                 NotifyIcon.ShowBalloonTip(5,
@@ -80,7 +71,7 @@ namespace Netch.Forms
                                         "Netch is now minimized to the notification bar, double click this icon to restore."),
                                     ToolTipIcon.Info);
 
-                                IsFirstOpened = false;
+                                _isFirstCloseWindow = false;
                             }
 
                             Hide();
@@ -111,8 +102,7 @@ namespace Netch.Forms
                     }
                     else
                     {
-                        UpdateStatus(State.Stopped);
-                        StatusText(i18N.Translate("Start failed"));
+                        UpdateStatus(State.Stopped, i18N.Translate("Start failed"));
                     }
                 });
             }
@@ -120,17 +110,17 @@ namespace Netch.Forms
             {
                 // 停止
                 UpdateStatus(State.Stopping);
-                MainController.Stop();
-                UpdateStatus(State.Stopped);
-
                 Task.Run(() =>
                 {
+                    _mainController.Stop();
+                    UpdateStatus(State.Stopped);
+
                     TestServer();
                 });
             }
         }
 
-        private string PortText(string serverType,int modeType)
+        private string PortText(string serverType, int modeType)
         {
             var text = new StringBuilder(" (");
             text.Append(Global.Settings.LocalAddress == "0.0.0.0"
@@ -148,7 +138,7 @@ namespace Netch.Forms
                 else
                 {
                     // 不可控HTTP
-                    text.Clear();
+                    return "";
                 }
             }
             else
@@ -163,14 +153,12 @@ namespace Netch.Forms
                         $" | HTTP {i18N.Translate("Local Port", ": ")}{Global.Settings.HTTPLocalPort}");
                 }
             }
-            if (text.Length > 0)
-            {
-                text.Append(")");
-            }
 
+            text.Append(")");
             return text.ToString();
         }
 
+
         public void OnBandwidthUpdated(long download)
         {
             try
@@ -198,7 +186,7 @@ namespace Netch.Forms
                 }
 
                 UsedBandwidthLabel.Text =
-                    $"{i18N.Translate("Used",": ")}{Bandwidth.Compute(upload + download)}";
+                    $"{i18N.Translate("Used", ": ")}{Bandwidth.Compute(upload + download)}";
                 UploadSpeedLabel.Text = $"↑: {Bandwidth.Compute(upload - LastUploadBandwidth)}/s";
                 DownloadSpeedLabel.Text = $"↓: {Bandwidth.Compute(download - LastDownloadBandwidth)}/s";
 
diff --git a/Netch/Forms/MainForm.MenuStrip.cs b/Netch/Forms/MainForm.MenuStrip.cs
index de7cb2ab..10d82f72 100644
--- a/Netch/Forms/MainForm.MenuStrip.cs
+++ b/Netch/Forms/MainForm.MenuStrip.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Data;
 using System.Linq;
 using System.Net;
 using System.ServiceProcess;
@@ -134,8 +133,8 @@ namespace Netch.Forms
                             Remark = "ProxyUpdate",
                             Type = 5
                         };
-                        MainController = new MainController();
-                        MainController.Start(ServerComboBox.SelectedItem as Models.Server, mode);
+                        _mainController = new MainController();
+                        _mainController.Start(ServerComboBox.SelectedItem as Models.Server, mode);
                     }
 
                     foreach (var item in Global.Settings.SubscribeLink)
@@ -165,8 +164,8 @@ namespace Netch.Forms
                             }
                             catch (Exception)
                             {
-                                    // ignored
-                                }
+                                // ignored
+                            }
 
                             Global.Settings.Server = Global.Settings.Server.Where(server => server.Group != item.Remark).ToList();
                             var result = ShareLink.Parse(response);
@@ -203,7 +202,7 @@ namespace Netch.Forms
                     {
                         MenuStrip.Enabled = ConfigurationGroupBox.Enabled = ControlButton.Enabled = SettingsButton.Enabled = true;
                         ControlButton.Text = i18N.Translate("Start");
-                        MainController.Stop();
+                        _mainController.Stop();
                         NatTypeStatusLabel.Text = "";
                     }
 
@@ -213,7 +212,6 @@ namespace Netch.Forms
                     MenuStrip.Enabled = ConfigurationGroupBox.Enabled = ControlButton.Enabled = SettingsButton.Enabled = true;
                     UpdateStatus(bak_State);
                     StatusLabel.Text = bak_StateText;
-
                 }).ContinueWith(task => { BeginInvoke(new Action(() => { UpdateServersFromSubscribeLinksToolStripMenuItem.Enabled = true; })); });
 
                 NotifyIcon.ShowBalloonTip(5,
@@ -380,8 +378,8 @@ namespace Netch.Forms
                     Remark = "ProxyUpdate",
                     Type = 5
                 };
-                MainController = new MainController();
-                MainController.Start(ServerComboBox.SelectedItem as Models.Server, mode);
+                _mainController = new MainController();
+                _mainController.Start(ServerComboBox.SelectedItem as Models.Server, mode);
 
                 using var client = new WebClient();
 
@@ -403,7 +401,7 @@ namespace Netch.Forms
                 finally
                 {
                     UpdateStatus(State.Waiting);
-                    MainController.Stop();
+                    _mainController.Stop();
                 }
             });
         }
diff --git a/Netch/Forms/MainForm.Profile.cs b/Netch/Forms/MainForm.Profile.cs
index 0866986b..2f919f34 100644
--- a/Netch/Forms/MainForm.Profile.cs
+++ b/Netch/Forms/MainForm.Profile.cs
@@ -12,19 +12,18 @@ namespace Netch.Forms
     public partial class Dummy { }
     partial class MainForm
     {
-        
         /// init at <see cref="MainForm_Load"/> 
         private int _sizeHeight;
-        private int _controlHeight;
-        private int _profileBoxHeight;
+
+        private int _profileConfigurationHeight;
+        private int _profileGroupboxHeight;
         private int _configurationGroupBoxHeight;
 
         private void InitProfile()
         {
+            // Clear
             foreach (var button in ProfileButtons)
-            {
                 button.Dispose();
-            }
 
             ProfileButtons.Clear();
             ProfileTable.ColumnStyles.Clear();
@@ -33,51 +32,51 @@ namespace Netch.Forms
             var numProfile = Global.Settings.ProfileCount;
             if (numProfile == 0)
             {
+                // Hide Profile GroupBox, Change window size
                 configLayoutPanel.RowStyles[2].SizeType = SizeType.Percent;
                 configLayoutPanel.RowStyles[2].Height = 0;
                 ProfileGroupBox.Visible = false;
 
-                ConfigurationGroupBox.Size = new Size(ConfigurationGroupBox.Size.Width, _configurationGroupBoxHeight - _controlHeight);
-                Size = new Size(Size.Width, _sizeHeight - (_controlHeight + _profileBoxHeight));
-
-                return;
+                ConfigurationGroupBox.Size = new Size(ConfigurationGroupBox.Size.Width, _configurationGroupBoxHeight - _profileConfigurationHeight);
+                Size = new Size(Size.Width, _sizeHeight - (_profileConfigurationHeight + _profileGroupboxHeight));
             }
-
-            configLayoutPanel.RowStyles[2].SizeType = SizeType.AutoSize;
-            ProfileGroupBox.Visible = true;
-            ConfigurationGroupBox.Size = new Size(ConfigurationGroupBox.Size.Width, _configurationGroupBoxHeight);
-            Size = new Size(Size.Width, _sizeHeight);
-
-
-            ProfileTable.ColumnCount = numProfile;
-
-            while (Global.Settings.Profiles.Count < numProfile)
+            else
             {
-                Global.Settings.Profiles.Add(new Profile());
-            }
+                // Load Profiles
+                ProfileTable.ColumnCount = numProfile;
 
-            // buttons
-            for (var i = 0; i < numProfile; ++i)
-            {
-                var b = new Button();
-                ProfileTable.Controls.Add(b, i, 0);
-                b.Location = new Point(i * 100, 0);
-                b.Click += ProfileButton_Click;
-                b.Dock = DockStyle.Fill;
-                b.Text = !Global.Settings.Profiles[i].IsDummy ? Global.Settings.Profiles[i].ProfileName : i18N.Translate("None");
+                while (Global.Settings.Profiles.Count < numProfile)
+                {
+                    Global.Settings.Profiles.Add(new Profile());
+                }
 
-                ProfileButtons.Add(b);
-            }
+                for (var i = 0; i < numProfile; ++i)
+                {
+                    var b = new Button();
+                    b.Click += ProfileButton_Click;
+                    b.Dock = DockStyle.Fill;
+                    b.Text = !Global.Settings.Profiles[i].IsDummy ? Global.Settings.Profiles[i].ProfileName : i18N.Translate("None");
 
-            // equal column
-            for (var i = 1; i <= ProfileTable.RowCount; i++)
-            {
-                ProfileTable.RowStyles.Add(new RowStyle(SizeType.Percent, 1));
-            }
+                    ProfileTable.Controls.Add(b, i, 0);
+                    ProfileButtons.Add(b);
+                }
 
-            for (var i = 1; i <= ProfileTable.ColumnCount; i++)
-            {
-                ProfileTable.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 1));
+                // equal column
+                for (var i = 1; i <= ProfileTable.RowCount; i++)
+                {
+                    ProfileTable.RowStyles.Add(new RowStyle(SizeType.Percent, 1));
+                }
+
+                for (var i = 1; i <= ProfileTable.ColumnCount; i++)
+                {
+                    ProfileTable.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 1));
+                }
+
+                if (Size.Height == _sizeHeight) return;
+                configLayoutPanel.RowStyles[2].SizeType = SizeType.AutoSize;
+                ProfileGroupBox.Visible = true;
+                ConfigurationGroupBox.Size = new Size(ConfigurationGroupBox.Size.Width, _configurationGroupBoxHeight);
+                Size = new Size(Size.Width, _sizeHeight);
             }
         }
 
@@ -129,14 +128,18 @@ namespace Netch.Forms
             Global.Settings.Profiles[index] = new Profile(selectedServer, selectedMode, name);
         }
 
-        public List<Button> ProfileButtons = new List<Button>();
+        private void RemoveProfile(int index)
+        {
+            Global.Settings.Profiles[index] = new Profile();
+        }
+
+
+        private List<Button> ProfileButtons = new List<Button>();
 
         private void ProfileButton_Click(object sender, EventArgs e)
         {
             var index = ProfileButtons.IndexOf((Button) sender);
 
-            //Utils.Logging.Info(String.Format("Button no.{0} clicked", index));
-
             if (ModifierKeys == Keys.Control)
             {
                 if (ServerComboBox.SelectedIndex == -1)
@@ -157,11 +160,21 @@ namespace Netch.Forms
                     ProfileButtons[index].Text = ProfileNameText.Text;
                 }
             }
+            else if (ModifierKeys == Keys.Shift)
+            {
+                if (MessageBoxX.Show(i18N.Translate("Remove this Profile?"), confirm: true) == DialogResult.OK)
+                {
+                    RemoveProfile(index);
+                    ProfileButtons[index].Text = i18N.Translate("None");
+                    MessageBoxX.Show(i18N.Translate("Profile Removed!"));
+                }
+            }
             else
             {
-                if (ProfileButtons[index].Text == i18N.Translate("Error") || ProfileButtons[index].Text == i18N.Translate("None"))
+                if (Global.Settings.Profiles[index].IsDummy)
                 {
                     MessageBoxX.Show(i18N.Translate("No saved profile here. Save a profile first by Ctrl+Click on the button"));
+                    return;
                 }
 
                 try
@@ -169,21 +182,14 @@ namespace Netch.Forms
                     ProfileNameText.Text = LoadProfile(index);
 
                     // start the profile
-                    var need2ndStart = true;
-                    if (State == State.Waiting || State == State.Stopped)
-                    {
-                        need2ndStart = false;
-                    }
-
-                    ControlButton.PerformClick();
-
-                    if (need2ndStart)
+                    ControlFun();
+                    if (State == State.Stopping || State == State.Stopped)
                     {
                         Task.Run(() =>
                         {
                             while (State != State.Stopped)
                             {
-                                Thread.Sleep(200);
+                                Thread.Sleep(250);
                             }
 
                             ControlButton.PerformClick();
diff --git a/Netch/Forms/MainForm.Server_Mode.cs b/Netch/Forms/MainForm.Server_Mode.cs
index da557433..eecae8bb 100644
--- a/Netch/Forms/MainForm.Server_Mode.cs
+++ b/Netch/Forms/MainForm.Server_Mode.cs
@@ -15,7 +15,7 @@ namespace Netch.Forms
     {
         #region Server
 
-        public void TestServer()
+        private static void TestServer()
         {
             try
             {
@@ -24,6 +24,7 @@ namespace Netch.Forms
             }
             catch (Exception)
             {
+                // ignored
             }
         }
 
@@ -51,7 +52,7 @@ namespace Netch.Forms
 
         #region Mode
 
-        public void InitMode()
+        private void InitMode()
         {
             ModeComboBox.Items.Clear();
             Global.ModeFiles.Clear();
@@ -139,7 +140,7 @@ namespace Netch.Forms
             }
         }
 
-        public void SelectLastMode()
+        private void SelectLastMode()
         {
             // 如果值合法，选中该位置
             if (Global.Settings.ModeComboBoxSelectedIndex > 0 &&
@@ -182,7 +183,7 @@ namespace Netch.Forms
         #endregion
 
         /// <summary>
-        /// Init at MainForm_Load()
+        ///     Init at <see cref="MainForm_Load"/>
         /// </summary>
         private int _eWidth;
 
@@ -205,32 +206,18 @@ namespace Netch.Forms
 
                 switch (cbx.Items[e.Index])
                 {
-                    case Models.Server _:
+                    case Models.Server item:
                     {
-                        var item = cbx.Items[e.Index] as Models.Server;
-
                         // 计算延迟底色
                         SolidBrush brush;
                         if (item.Delay > 200)
-                        {
-                            // 红色
                             brush = new SolidBrush(Color.Red);
-                        }
                         else if (item.Delay > 80)
-                        {
-                            // 黄色
                             brush = new SolidBrush(Color.Yellow);
-                        }
                         else if (item.Delay >= 0)
-                        {
-                            // 绿色
                             brush = new SolidBrush(Color.FromArgb(50, 255, 56));
-                        }
                         else
-                        {
-                            // 灰色
                             brush = new SolidBrush(Color.Gray);
-                        }
 
                         // 绘制延迟底色
                         e.Graphics.FillRectangle(brush, _eWidth * 9, e.Bounds.Y, _eWidth, e.Bounds.Height);
@@ -240,10 +227,8 @@ namespace Netch.Forms
                             _eWidth * 9 + _eWidth / 30, e.Bounds.Y);
                         break;
                     }
-                    case Models.Mode _:
+                    case Models.Mode item:
                     {
-                        var item = cbx.Items[e.Index] as Models.Mode;
-
                         // 绘制 模式Box 底色
                         e.Graphics.FillRectangle(new SolidBrush(Color.Gray), _eWidth * 9, e.Bounds.Y, _eWidth,
                             e.Bounds.Height);
@@ -257,6 +242,7 @@ namespace Netch.Forms
             }
             catch (Exception)
             {
+                // ignored
             }
         }
     }
diff --git a/Netch/Forms/MainForm.Status.cs b/Netch/Forms/MainForm.Status.cs
index d70879ef..771ae447 100644
--- a/Netch/Forms/MainForm.Status.cs
+++ b/Netch/Forms/MainForm.Status.cs
@@ -16,7 +16,7 @@ namespace Netch.Forms
         /// </summary>
         public State State { get; private set; } = State.Waiting;
 
-        public void NatTypeStatusText(string text = "",string Country = "")
+        public void NatTypeStatusText(string text = "", string country = "")
         {
             if (State != State.Started)
             {
@@ -27,9 +27,9 @@ namespace Netch.Forms
 
             if (!string.IsNullOrEmpty(text))
             {
-                if (Country != "")
+                if (country != "")
                 {
-                    NatTypeStatusLabel.Text = String.Format("NAT{0}{1}[{2}]", i18N.Translate(": "), text, Country);
+                    NatTypeStatusLabel.Text = String.Format("NAT{0}{1}[{2}]", i18N.Translate(": "), text, country);
                 }
                 else
                 {
@@ -43,12 +43,16 @@ namespace Netch.Forms
             }
             else
             {
-                NatTypeStatusLabel.Text = "NAT" + i18N.Translate(": ") + i18N.Translate("Test failed");
+                NatTypeStatusLabel.Text = $@"NAT{i18N.Translate(": ", "Test failed")}";
             }
 
             NatTypeStatusLabel.Visible = true;
         }
 
+        /// <summary>
+        ///     更新 NAT指示灯颜色
+        /// </summary>
+        /// <param name="natType"></param>
         private void UpdateNatTypeLight(STUN_Client.NatType natType)
         {
             Color c;
@@ -76,19 +80,34 @@ namespace Netch.Forms
         }
 
 
+        /// <summary>
+        ///     更新状态栏文本
+        /// </summary>
+        /// <param name="text"></param>
         public void StatusText(string text)
         {
             StatusLabel.Text = i18N.Translate("Status", ": ") + text;
         }
 
         /// <summary>
-        ///     Update UI, Status, Status Label
+        ///     更新 UI, 状态栏文本, 状态
         /// </summary>
         /// <param name="state"></param>
-        public void UpdateStatus(State state)
+        /// <param name="text"></param>
+        private void UpdateStatus(State state, string text = "")
         {
             State = state;
-            StatusText(i18N.Translate(StateExtension.GetStatusString(state)));
+            StatusText(text == "" ? i18N.Translate(StateExtension.GetStatusString(state)) : text);
+
+            void MenuStripsEnabled(bool enabled)
+            {
+                // 需要禁用的菜单项
+                UninstallServiceToolStripMenuItem.Enabled =
+                    updateACLWithProxyToolStripMenuItem.Enabled =
+                        UpdateServersFromSubscribeLinksToolStripMenuItem.Enabled =
+                            reinstallTapDriverToolStripMenuItem.Enabled = enabled;
+            }
+
             // TODO 补充
             switch (state)
             {
@@ -96,34 +115,33 @@ namespace Netch.Forms
                     ControlButton.Enabled = true;
                     ControlButton.Text = i18N.Translate("Start");
 
-                    MenuStrip.Enabled = ConfigurationGroupBox.Enabled = ControlButton.Enabled = SettingsButton.Enabled = true;
-                    updateACLWithProxyToolStripMenuItem.Enabled = true;
-
-                    NatTypeStatusText();
                     break;
                 case State.Starting:
                     ControlButton.Enabled = false;
                     ControlButton.Text = "...";
 
-                    ServerComboBox.Enabled = false;
-                    ModeComboBox.Enabled = false;
+                    ConfigurationGroupBox.Enabled = false;
 
-                    UninstallServiceToolStripMenuItem.Enabled = false;
-                    updateACLWithProxyToolStripMenuItem.Enabled = false;
-                    UpdateServersFromSubscribeLinksToolStripMenuItem.Enabled = false;
-                    reinstallTapDriverToolStripMenuItem.Enabled = false;
+                    MenuStripsEnabled(false);
                     break;
                 case State.Started:
                     ControlButton.Enabled = true;
                     ControlButton.Text = i18N.Translate("Stop");
+
+                    LastUploadBandwidth = 0;
+                    //LastDownloadBandwidth = 0;
+                    //UploadSpeedLabel.Text = "↑: 0 KB/s";
+                    DownloadSpeedLabel.Text = @"↑↓: 0 KB/s";
+                    UsedBandwidthLabel.Text = $@"{i18N.Translate("Used", ": ")}0 KB";
+                    UsedBandwidthLabel.Visible /*= UploadSpeedLabel.Visible*/ = DownloadSpeedLabel.Visible = true;
                     break;
                 case State.Stopping:
                     ControlButton.Enabled = false;
                     ControlButton.Text = "...";
 
                     ProfileGroupBox.Enabled = false;
-                    MenuStrip.Enabled = ConfigurationGroupBox.Enabled = SettingsButton.Enabled = true;
-                    UsedBandwidthLabel.Visible = UploadSpeedLabel.Visible = DownloadSpeedLabel.Visible = false;
+
+                    UsedBandwidthLabel.Visible /*= UploadSpeedLabel.Visible*/ = DownloadSpeedLabel.Visible = false;
                     NatTypeStatusText();
                     break;
                 case State.Stopped:
@@ -133,14 +151,10 @@ namespace Netch.Forms
                     LastUploadBandwidth = 0;
                     LastDownloadBandwidth = 0;
 
-                    ServerComboBox.Enabled = true;
-                    ModeComboBox.Enabled = true;
                     ProfileGroupBox.Enabled = true;
+                    ConfigurationGroupBox.Enabled = true;
 
-                    UninstallServiceToolStripMenuItem.Enabled = true;
-                    updateACLWithProxyToolStripMenuItem.Enabled = true;
-                    UpdateServersFromSubscribeLinksToolStripMenuItem.Enabled = true;
-                    reinstallTapDriverToolStripMenuItem.Enabled = true;
+                    MenuStripsEnabled(true);
                     break;
                 case State.Terminating:
 
@@ -148,7 +162,10 @@ namespace Netch.Forms
             }
         }
 
-        public void UpdateStatus()
+        /// <summary>
+        ///     刷新 UI
+        /// </summary>
+        private void UpdateStatus()
         {
             UpdateStatus(State);
         }
diff --git a/Netch/Forms/MainForm.cs b/Netch/Forms/MainForm.cs
index f1000e4f..e240ac40 100644
--- a/Netch/Forms/MainForm.cs
+++ b/Netch/Forms/MainForm.cs
@@ -19,18 +19,7 @@ namespace Netch.Forms
         /// <summary>
         ///     主控制器
         /// </summary>
-        public MainController MainController;
-
-        /// <summary>
-        ///     是否第一次打开
-        /// </summary>
-        public bool IsFirstOpened = true;
-
-        /// <summary>
-        /// 主窗体的静态实例
-        /// </summary>
-        public static MainForm Instance;
-
+        private MainController _mainController = new MainController();
 
         public MainForm()
         {
@@ -40,8 +29,6 @@ namespace Netch.Forms
             SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
 
             CheckForIllegalCrossThreadCalls = false;
-            // MenuStrip.Renderer = new Override.ToolStripProfessionalRender();
-            Instance = this;
         }
 
         private void SaveConfigs()
@@ -64,6 +51,9 @@ namespace Netch.Forms
 
         private void MainForm_Load(object sender, EventArgs e)
         {
+            // 计算 ComboBox绘制 目标宽度
+            _eWidth = ServerComboBox.Width / 10;
+
             // 加载服务器
             InitServer();
 
@@ -73,18 +63,16 @@ namespace Netch.Forms
             // 加载翻译
             InitText();
 
-            //
+            // 隐藏 NatTypeStatusLabel
             NatTypeStatusText();
 
-            // 加载快速配置
             _sizeHeight = Size.Height;
-            _controlHeight = ConfigurationGroupBox.Controls[0].Height / 3;
-            _profileBoxHeight = ProfileGroupBox.Height;
             _configurationGroupBoxHeight = ConfigurationGroupBox.Height;
+            _profileConfigurationHeight = ConfigurationGroupBox.Controls[0].Height / 3; // 因为 AutoSize, 所以得到的是Controls的总高度
+            _profileGroupboxHeight = ProfileGroupBox.Height;
+            // 加载快速配置
             InitProfile();
 
-            // 为 ComboBox绘制 收集宽度数据
-            _eWidth = ServerComboBox.Width / 10;
 
             // 自动检测延迟
             Task.Run(() =>
@@ -132,7 +120,7 @@ namespace Netch.Forms
                     WindowState = FormWindowState.Minimized;
                     NotifyIcon.Visible = true;
 
-                    if (IsFirstOpened)
+                    if (_isFirstCloseWindow)
                     {
                         // 显示提示语
                         NotifyIcon.ShowBalloonTip(5,
@@ -140,7 +128,7 @@ namespace Netch.Forms
                             i18N.Translate("Netch is now minimized to the notification bar, double click this icon to restore."),
                             ToolTipIcon.Info);
 
-                        IsFirstOpened = false;
+                        _isFirstCloseWindow = false;
                     }
 
                     Hide();
@@ -155,8 +143,6 @@ namespace Netch.Forms
 
         private void ControlButton_Click(object sender, EventArgs e)
         {
-            //防止模式选择框变成蓝色:D
-            ModeComboBox.Select(0, 0);
             ControlFun();
         }
 
@@ -184,7 +170,7 @@ namespace Netch.Forms
                 InitProfile();
         }
 
-        public void InitText()
+        private void InitText()
         {
             ServerToolStripMenuItem.Text = i18N.Translate("Server");
             ImportServersFromClipboardToolStripMenuItem.Text = i18N.Translate("Import Servers From Clipboard");
@@ -207,16 +193,16 @@ namespace Netch.Forms
             reinstallTapDriverToolStripMenuItem.Text = i18N.Translate("Reinstall TUN/TAP driver");
             OpenDirectoryToolStripMenuItem.Text = i18N.Translate("Open Directory");
             AboutToolStripButton.Text = i18N.Translate("About");
-            VersionLabel.Text = i18N.Translate("xxx");
+            // VersionLabel.Text = i18N.Translate("xxx");
             exitToolStripMenuItem.Text = i18N.Translate("Exit");
             RelyToolStripMenuItem.Text = i18N.Translate("Unable to start? Click me to download");
             ConfigurationGroupBox.Text = i18N.Translate("Configuration");
             ProfileLabel.Text = i18N.Translate("Profile");
             ModeLabel.Text = i18N.Translate("Mode");
             ServerLabel.Text = i18N.Translate("Server");
-            UsedBandwidthLabel.Text = i18N.Translate("Used: 0 KB");
-            DownloadSpeedLabel.Text = i18N.Translate("↓: 0 KB/s");
-            UploadSpeedLabel.Text = i18N.Translate("↑: 0 KB/s");
+            // UsedBandwidthLabel.Text = i18N.Translate("Used: 0 KB");
+            // DownloadSpeedLabel.Text = i18N.Translate("↓: 0 KB/s");
+            // UploadSpeedLabel.Text = i18N.Translate("↑: 0 KB/s");
             NotifyIcon.Text = i18N.Translate("Netch");
             ShowMainFormToolStripButton.Text = i18N.Translate("Show");
             ExitToolStripButton.Text = i18N.Translate("Exit");
@@ -303,7 +289,6 @@ namespace Netch.Forms
                 Enabled = true;
                 StatusText(i18N.Translate("Test done"));
                 Refresh();
-                Configuration.Save();
             });
         }
 
@@ -368,6 +353,7 @@ namespace Netch.Forms
                 }
                 catch (Exception)
                 {
+                    // ignored
                 }
             }
             else
@@ -399,23 +385,9 @@ namespace Netch.Forms
             }
         }
 
-        #region NotifyIcon
-
-        private void ShowMainFormToolStripButton_Click(object sender, EventArgs e)
-        {
-            if (WindowState == FormWindowState.Minimized)
-            {
-                Visible = true;
-                ShowInTaskbar = true; // 显示在系统任务栏 
-                WindowState = FormWindowState.Normal; // 还原窗体 
-                NotifyIcon.Visible = true; // 托盘图标隐藏 
-            }
-
-            Activate();
-        }
-
         private void Exit(bool forceExit = false)
         {
+            if(IsDisposed) return;
             // 已启动
             if (State != State.Waiting && State != State.Stopped)
             {
@@ -457,6 +429,21 @@ namespace Netch.Forms
             });
         }
 
+        #region NotifyIcon
+
+        private void ShowMainFormToolStripButton_Click(object sender, EventArgs e)
+        {
+            if (WindowState == FormWindowState.Minimized)
+            {
+                Visible = true;
+                ShowInTaskbar = true; // 显示在系统任务栏 
+                WindowState = FormWindowState.Normal; // 还原窗体 
+                NotifyIcon.Visible = true; // 托盘图标隐藏 
+            }
+
+            Activate();
+        }
+
         private void ExitToolStripButton_Click(object sender, EventArgs e)
         {
             Exit();
diff --git a/Netch/Global.cs b/Netch/Global.cs
index c4e253b3..d4eba7cf 100644
--- a/Netch/Global.cs
+++ b/Netch/Global.cs
@@ -16,7 +16,7 @@ namespace Netch
         public static readonly string NetchDir = (AppDomain.CurrentDomain.BaseDirectory).TrimEnd();
         
         /// <summary>
-        ///     主窗体
+        ///     主窗体的静态实例
         /// </summary>
         public static Forms.MainForm MainForm;
 
diff --git a/Netch/Utils/Bandwidth.cs b/Netch/Utils/Bandwidth.cs
index 22538a2b..e1bc88d9 100644
--- a/Netch/Utils/Bandwidth.cs
+++ b/Netch/Utils/Bandwidth.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.Diagnostics.Tracing.Parsers;
 using Microsoft.Diagnostics.Tracing.Session;
@@ -48,27 +49,27 @@ namespace Netch.Utils
             //int sent = 0;
 
             //var processList = Process.GetProcessesByName(ProcessName).Select(p => p.Id).ToHashSet();
-            var processList = new List<int>();
-
-            if (server.Type.Equals("Socks5") && mainController.pModeController.AkaName == "HTTP")
+            var instances = new List<Process>();
+            if (server.Type.Equals("Socks5") && mainController.pModeController.Name == "HTTP")
             {
-                processList.Add(((HTTPController) mainController.pModeController).pPrivoxyController.Instance.Id);
+                instances.Add(((HTTPController) mainController.pModeController).pPrivoxyController.Instance);
             }
             else if (server.Type.Equals("SS") && Global.Settings.BootShadowsocksFromDLL)
             {
-                processList.Add(Process.GetCurrentProcess().Id);
+                instances.Add(Process.GetCurrentProcess());
             }
             else if (mainController.pEncryptedProxyController != null)
             {
-                // mainController.pServerClientController.Instance
-                processList.Add(mainController.pEncryptedProxyController.Instance.Id);
+                instances.Add(mainController.pEncryptedProxyController.Instance);
             }
             else if (mainController.pModeController != null)
             {
-                processList.Add(mainController.pModeController.Instance.Id);
+                instances.Add(mainController.pModeController.Instance);
             }
 
-            Logging.Info("启动流量统计 PID：" + string.Join(",", processList.ToArray()));
+            var processList = instances.Select(instance => instance.Id).ToList();
+
+            Logging.Info("流量统计进程:" + string.Join(",", instances.Select(instance => $"({instance.Id})"+instance.ProcessName).ToArray()));
 
             Task.Run(() =>
             {
@@ -101,18 +102,18 @@ namespace Netch.Utils
                 }
             });
 
-            if ((Convert.ToInt32(MainForm.Instance.LastDownloadBandwidth) - Convert.ToInt32(received)) == 0)
+            if ((Convert.ToInt32(Global.MainForm.LastDownloadBandwidth) - Convert.ToInt32(received)) == 0)
             {
-                MainForm.Instance.OnBandwidthUpdated(0);
+                Global.MainForm.OnBandwidthUpdated(0);
                 received = 0;
             }
 
-            while (MainForm.Instance.State != State.Stopped)
+            while (Global.MainForm.State != State.Stopped)
             {
                 Task.Delay(1000).Wait();
                 lock (counterLock)
                 {
-                    MainForm.Instance.OnBandwidthUpdated(Convert.ToInt64(received));
+                    Global.MainForm.OnBandwidthUpdated(Convert.ToInt64(received));
                 }
             }
         }
diff --git a/Netch/Utils/MessageBoxX.cs b/Netch/Utils/MessageBoxX.cs
index c5008968..4be0ab1e 100644
--- a/Netch/Utils/MessageBoxX.cs
+++ b/Netch/Utils/MessageBoxX.cs
@@ -15,7 +15,7 @@ namespace Netch.Utils
         {
             return MessageBox.Show(
                 owner: owner,
-                text: i18N.Translate(text: text),
+                text: text,
                 caption: i18N.Translate(string.IsNullOrWhiteSpace(title) ? (info ? "Information" : "Error") : title),
                 buttons: confirm ? MessageBoxButtons.OKCancel : MessageBoxButtons.OK,
                 icon: info ? MessageBoxIcon.Information : MessageBoxIcon.Exclamation);