diff --git a/Netch/Controllers/MainController.cs b/Netch/Controllers/MainController.cs
index 23514364..a74c5b99 100644
--- a/Netch/Controllers/MainController.cs
+++ b/Netch/Controllers/MainController.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Diagnostics;
+using System.IO;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
@@ -133,7 +134,15 @@ namespace Netch.Controllers
                 }
 
                 Global.MainForm.StatusText(i18N.Translate("Starting ", pEncryptedProxyController.Name));
-                result = await Task.Run(() => pEncryptedProxyController.Start(server, mode));
+                try
+                {
+                    result = await Task.Run(() => pEncryptedProxyController.Start(server, mode));
+                }
+                catch (Exception e)
+                {
+                    Logging.Error("加密代理启动失败未处理异常: " + e);
+                    result = false;
+                }
             }
 
             if (result)
@@ -162,7 +171,18 @@ namespace Netch.Controllers
                 if (pModeController != null)
                 {
                     Global.MainForm.StatusText(i18N.Translate("Starting ", pModeController.Name));
-                    result = await Task.Run(() => pModeController.Start(server, mode));
+                    try
+                    {
+                        result = await Task.Run(() => pModeController.Start(server, mode));
+                    }
+                    catch (Exception e)
+                    {
+                        if (e is DllNotFoundException || e is FileNotFoundException)
+                            MessageBoxX.Show(e.Message + "\n\n" + i18N.Translate("Missing File or runtime components"), owner: Global.MainForm);
+                        else
+                            Logging.Error("模式启动失败未处理异常" + e);
+                        result = false;
+                    }
                 }
 
                 if (result)
diff --git a/Netch/Forms/MainForm.Control.cs b/Netch/Forms/MainForm.Control.cs
index 5acbfac2..de10d2d4 100644
--- a/Netch/Forms/MainForm.Control.cs
+++ b/Netch/Forms/MainForm.Control.cs
@@ -40,22 +40,8 @@ namespace Netch.Forms
 
                 var server = ServerComboBox.SelectedItem as Models.Server;
                 var mode = ModeComboBox.SelectedItem as Models.Mode;
-                var result = false;
 
-                try
-                {
-                    // TODO 完善控制器异常处理
-                    result = await _mainController.Start(server, mode);
-                }
-                catch (Exception e)
-                {
-                    if (e is DllNotFoundException || e is FileNotFoundException)
-                        MessageBoxX.Show(e.Message + "\n\n" + i18N.Translate("Missing File or runtime components"), owner: this);
-                    Netch.Application_OnException(null, new ThreadExceptionEventArgs(e));
-                }
-
-
-                if (result)
+                if (await _mainController.Start(server, mode))
                 {
                     State = State.Started;
                     _ = Task.Run(() => { Bandwidth.NetTraffic(server, mode, ref _mainController); });
diff --git a/Netch/Forms/Mode/Process.cs b/Netch/Forms/Mode/Process.cs
index c3d8ef13..0664c53e 100644
--- a/Netch/Forms/Mode/Process.cs
+++ b/Netch/Forms/Mode/Process.cs
@@ -11,15 +11,16 @@ namespace Netch.Forms.Mode
     {
         //用于判断当前窗口是否为编辑模式
         private bool EditMode;
+
         //被编辑模式坐标
         private Models.Mode EditMode_Old;
+
         /// <summary>
-		///		编辑模式
-		/// </summary>
-		/// <param name="mode">模式</param>
+        ///		编辑模式
+        /// </summary>
+        /// <param name="mode">模式</param>
         public Process(Models.Mode mode)
         {
-
             InitializeComponent();
 
             CheckForIllegalCrossThreadCalls = false;
@@ -38,8 +39,8 @@ namespace Netch.Forms.Mode
 
             FilenameTextBox.Text = mode.FileName;
             RemarkTextBox.Text = mode.Remark;
-
         }
+
         public Process()
         {
             InitializeComponent();
@@ -51,10 +52,10 @@ namespace Netch.Forms.Mode
         }
 
         /// <summary>
-		///		扫描目录
-		/// </summary>
-		/// <param name="DirName">路径</param>
-		public void ScanDirectory(string DirName)
+        ///		扫描目录
+        /// </summary>
+        /// <param name="DirName">路径</param>
+        public void ScanDirectory(string DirName)
         {
             try
             {
@@ -75,16 +76,24 @@ namespace Netch.Forms.Mode
             while (DirStack.Count > 0)
             {
                 var DirInfo = new DirectoryInfo(DirStack.Pop());
-                foreach (var DirChildInfo in DirInfo.GetDirectories())
+                try
                 {
-                    DirStack.Push(DirChildInfo.FullName);
-                }
-                foreach (var FileChildInfo in DirInfo.GetFiles())
-                {
-                    if (FileChildInfo.Name.EndsWith(".exe") && !RuleListBox.Items.Contains(FileChildInfo.Name))
+                    foreach (var DirChildInfo in DirInfo.GetDirectories())
                     {
-                        RuleListBox.Items.Add(FileChildInfo.Name);
+                        DirStack.Push(DirChildInfo.FullName);
                     }
+
+                    foreach (var FileChildInfo in DirInfo.GetFiles())
+                    {
+                        if (FileChildInfo.Name.EndsWith(".exe") && !RuleListBox.Items.Contains(FileChildInfo.Name))
+                        {
+                            RuleListBox.Items.Add(FileChildInfo.Name);
+                        }
+                    }
+                }
+                catch (Exception)
+                {
+                    // ignored
                 }
             }
         }
@@ -136,10 +145,11 @@ namespace Netch.Forms.Mode
             strip.Items.Add(i18N.Translate("Delete"));
             if (e.Button == MouseButtons.Right)
             {
-                strip.Show(RuleListBox, e.Location);//鼠标右键按下弹出菜单
+                strip.Show(RuleListBox, e.Location); //鼠标右键按下弹出菜单
                 strip.MouseClick += deleteRule_Click;
             }
         }
+
         void deleteRule_Click(object sender, EventArgs e)
         {
             if (RuleListBox.SelectedIndex != -1)
@@ -249,7 +259,7 @@ namespace Netch.Forms.Mode
                 else
                 {
                     Global.Settings.ModeFileNameType = 2;
-                    FilenameTextBox.Text = ((long)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds).ToString();
+                    FilenameTextBox.Text = ((long) (DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalMilliseconds).ToString();
                 }
 
                 Configuration.Save();
@@ -261,6 +271,7 @@ namespace Netch.Forms.Mode
                         MessageBoxX.Show(i18N.Translate("Please enter a mode filename"));
                         return;
                     }
+
                     var ModeFilename = Path.Combine("mode", FilenameTextBox.Text);
 
                     // 如果文件已存在，返回
@@ -332,4 +343,4 @@ namespace Netch.Forms.Mode
             }
         }
     }
-}
+}
\ No newline at end of file