diff --git a/App.xaml.cs b/App.xaml.cs
index 68d7c2b..28c0f82 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -10,7 +10,7 @@ public partial class App : Application
 
     private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
     {
-        MessageBox.Show("Error: " + e.Exception.Message);
+        MessageBox.Show($"Error: {e.Exception.Message}");
         e.Handled = true;
     }
 }
\ No newline at end of file
diff --git a/Consts/MainMultilangConst.Designer.cs b/Consts/MainMultilangConst.Designer.cs
index fcdcd12..ad07f28 100644
--- a/Consts/MainMultilangConst.Designer.cs
+++ b/Consts/MainMultilangConst.Designer.cs
@@ -70,7 +70,7 @@ namespace Sheas_Cealer.Consts {
         }
         
         /// <summary>
-        ///   查找类似  的本地化字符串。
+        ///   查找类似 Click to open about window 的本地化字符串。
         /// </summary>
         public static string AboutButtonToolTip {
             get {
@@ -97,7 +97,7 @@ namespace Sheas_Cealer.Consts {
         }
         
         /// <summary>
-        ///   查找类似  的本地化字符串。
+        ///   查找类似 Click to edit Cealing Host 的本地化字符串。
         /// </summary>
         public static string EditHostButtonToolTip {
             get {
@@ -160,7 +160,7 @@ namespace Sheas_Cealer.Consts {
         }
         
         /// <summary>
-        ///   查找类似  的本地化字符串。
+        ///   查找类似 Click to process the contents of the input box 的本地化字符串。
         /// </summary>
         public static string SettingsFunctionButtonToolTip {
             get {
@@ -178,7 +178,7 @@ namespace Sheas_Cealer.Consts {
         }
         
         /// <summary>
-        ///   查找类似  的本地化字符串。
+        ///   查找类似 Click to switch settings mode 的本地化字符串。
         /// </summary>
         public static string SettingsModeButtonToolTip {
             get {
@@ -189,18 +189,18 @@ namespace Sheas_Cealer.Consts {
         /// <summary>
         ///   查找类似 Start Cealing 的本地化字符串。
         /// </summary>
-        public static string StartCealButtonContent {
+        public static string StartButtonContent {
             get {
-                return ResourceManager.GetString("StartCealButtonContent", resourceCulture);
+                return ResourceManager.GetString("StartButtonContent", resourceCulture);
             }
         }
         
         /// <summary>
-        ///   查找类似  的本地化字符串。
+        ///   查找类似 Click to launch the injected browser 的本地化字符串。
         /// </summary>
-        public static string StartCealButtonToolTip {
+        public static string StartButtonToolTip {
             get {
-                return ResourceManager.GetString("StartCealButtonToolTip", resourceCulture);
+                return ResourceManager.GetString("StartButtonToolTip", resourceCulture);
             }
         }
         
@@ -232,7 +232,7 @@ namespace Sheas_Cealer.Consts {
         }
         
         /// <summary>
-        ///   查找类似  的本地化字符串。
+        ///   查找类似 Click to switch themes 的本地化字符串。
         /// </summary>
         public static string ThemesButtonToolTip {
             get {
@@ -250,7 +250,7 @@ namespace Sheas_Cealer.Consts {
         }
         
         /// <summary>
-        ///   查找类似  的本地化字符串。
+        ///   查找类似 Click to update Cealing Host 的本地化字符串。
         /// </summary>
         public static string UpdateHostButtonToolTip {
             get {
diff --git a/Consts/MainMultilangConst.resx b/Consts/MainMultilangConst.resx
index f92fd36..75f1f1e 100644
--- a/Consts/MainMultilangConst.resx
+++ b/Consts/MainMultilangConst.resx
@@ -121,7 +121,7 @@
     <value>About Me</value>
   </data>
   <data name="AboutButtonToolTip" xml:space="preserve">
-    <value></value>
+    <value>Click to open about window</value>
   </data>
   <data name="BrowserPathModeName" xml:space="preserve">
     <value>Browser Path</value>
@@ -130,7 +130,7 @@
     <value>Edit Host</value>
   </data>
   <data name="EditHostButtonToolTip" xml:space="preserve">
-    <value></value>
+    <value>Click to edit Cealing Host</value>
   </data>
   <data name="ExtraArgsModeName" xml:space="preserve">
     <value>Additional Args</value>
@@ -151,19 +151,19 @@
     <value>Clear Args</value>
   </data>
   <data name="SettingsFunctionButtonToolTip" xml:space="preserve">
-    <value></value>
+    <value>Click to process the contents of the input box</value>
   </data>
   <data name="SettingsFunctionButtonUpstreamUrlContent" xml:space="preserve">
     <value>Reset Url</value>
   </data>
   <data name="SettingsModeButtonToolTip" xml:space="preserve">
-    <value></value>
+    <value>Click to switch settings mode</value>
   </data>
-  <data name="StartCealButtonContent" xml:space="preserve">
+  <data name="StartButtonContent" xml:space="preserve">
     <value>Start Cealing</value>
   </data>
-  <data name="StartCealButtonToolTip" xml:space="preserve">
-    <value></value>
+  <data name="StartButtonToolTip" xml:space="preserve">
+    <value>Click to launch the injected browser</value>
   </data>
   <data name="ThemesButtonDarkThemeContent" xml:space="preserve">
     <value>Light Theme</value>
@@ -175,13 +175,13 @@
     <value>Dark Theme</value>
   </data>
   <data name="ThemesButtonToolTip" xml:space="preserve">
-    <value></value>
+    <value>Click to switch themes</value>
   </data>
   <data name="UpdateHostButtonContent" xml:space="preserve">
     <value>Update Host</value>
   </data>
   <data name="UpdateHostButtonToolTip" xml:space="preserve">
-    <value></value>
+    <value>Click to update Cealing Host</value>
   </data>
   <data name="UpstreamUrlModeName" xml:space="preserve">
     <value>Upstream Url</value>
diff --git a/Consts/MainMultilangConst.zh.resx b/Consts/MainMultilangConst.zh.resx
index 326b604..6595e28 100644
--- a/Consts/MainMultilangConst.zh.resx
+++ b/Consts/MainMultilangConst.zh.resx
@@ -159,10 +159,10 @@
   <data name="SettingsModeButtonToolTip" xml:space="preserve">
     <value>点击切换输入框设置模式</value>
   </data>
-  <data name="StartCealButtonContent" xml:space="preserve">
+  <data name="StartButtonContent" xml:space="preserve">
     <value>启动伪造</value>
   </data>
-  <data name="StartCealButtonToolTip" xml:space="preserve">
+  <data name="StartButtonToolTip" xml:space="preserve">
     <value>点击启动伪造注入后的浏览器</value>
   </data>
   <data name="ThemesButtonDarkThemeContent" xml:space="preserve">
diff --git a/Convs/MainSettingsBoxHintConv.cs b/Convs/MainSettingsBoxHintConv.cs
index 3e63a35..2cb5324 100644
--- a/Convs/MainSettingsBoxHintConv.cs
+++ b/Convs/MainSettingsBoxHintConv.cs
@@ -10,9 +10,9 @@ internal class MainSettingsBoxHintConv : IValueConverter
 {
     public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
     {
-        MainConst.SettingsMode? mode = value as MainConst.SettingsMode?;
+        MainConst.SettingsMode? settingsMode = value as MainConst.SettingsMode?;
 
-        return mode switch
+        return settingsMode switch
         {
             MainConst.SettingsMode.BrowserPathMode => MainConst.BrowserPathModeName,
             MainConst.SettingsMode.UpstreamUrlMode => MainConst.UpstreamUrlModeName,
diff --git a/Convs/MainSettingsBoxTextConv.cs b/Convs/MainSettingsBoxTextConv.cs
index 503dca5..048889f 100644
--- a/Convs/MainSettingsBoxTextConv.cs
+++ b/Convs/MainSettingsBoxTextConv.cs
@@ -9,12 +9,12 @@ internal class MainSettingsBoxTextConv : IMultiValueConverter
 {
     public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
     {
-        MainConst.SettingsMode? mode = values[0] as MainConst.SettingsMode?;
+        MainConst.SettingsMode? settingsMode = values[0] as MainConst.SettingsMode?;
         string? browserPath = values[1] as string;
         string? upstreamUrl = values[2] as string;
         string? extraArgs = values[3] as string;
 
-        return mode switch
+        return settingsMode switch
         {
             MainConst.SettingsMode.BrowserPathMode => browserPath!,
             MainConst.SettingsMode.UpstreamUrlMode => upstreamUrl!,
diff --git a/Convs/MainSettingsBoxToolTipConv.cs b/Convs/MainSettingsBoxToolTipConv.cs
index ef385c0..ed6b57e 100644
--- a/Convs/MainSettingsBoxToolTipConv.cs
+++ b/Convs/MainSettingsBoxToolTipConv.cs
@@ -10,9 +10,9 @@ internal class MainSettingsBoxToolTipConv : IValueConverter
 {
     public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
     {
-        MainConst.SettingsMode? mode = value as MainConst.SettingsMode?;
+        MainConst.SettingsMode? settingsMode = value as MainConst.SettingsMode?;
 
-        return mode switch
+        return settingsMode switch
         {
             MainConst.SettingsMode.BrowserPathMode => MainConst.SettingsBoxBrowserPathPlaceHolder,
             MainConst.SettingsMode.UpstreamUrlMode => MainConst.SettingsBoxUpstreamUrlPlaceHolder,
diff --git a/Convs/MainSettingsFunctionButtonContentConv.cs b/Convs/MainSettingsFunctionButtonContentConv.cs
index 7692048..370d75c 100644
--- a/Convs/MainSettingsFunctionButtonContentConv.cs
+++ b/Convs/MainSettingsFunctionButtonContentConv.cs
@@ -10,9 +10,9 @@ internal class MainSettingsFunctionButtonContentConv : IValueConverter
 {
     public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
     {
-        MainConst.SettingsMode? mode = value as MainConst.SettingsMode?;
+        MainConst.SettingsMode? settingsMode = value as MainConst.SettingsMode?;
 
-        return mode switch
+        return settingsMode switch
         {
             MainConst.SettingsMode.BrowserPathMode => MainConst.SettingsFunctionButtonBrowserPathContent,
             MainConst.SettingsMode.UpstreamUrlMode => MainConst.SettingsFunctionButtonUpstreamUrlContent,
diff --git a/Convs/MainSettingsModeButtonContentConv.cs b/Convs/MainSettingsModeButtonContentConv.cs
index f78ec5e..f52a1dc 100644
--- a/Convs/MainSettingsModeButtonContentConv.cs
+++ b/Convs/MainSettingsModeButtonContentConv.cs
@@ -9,9 +9,9 @@ internal class MainSettingsModeButtonContentConv : IValueConverter
 {
     public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
     {
-        MainConst.SettingsMode? mode = value as MainConst.SettingsMode?;
+        MainConst.SettingsMode? settingsMode = value as MainConst.SettingsMode?;
 
-        return mode switch
+        return settingsMode switch
         {
             MainConst.SettingsMode.BrowserPathMode => MainConst.UpstreamUrlModeName,
             MainConst.SettingsMode.UpstreamUrlMode => MainConst.ExtraArgsModeName,
diff --git a/Convs/MainStartCealButtonIsEnabledConv.cs b/Convs/MainStartButtonIsEnabledConv.cs
similarity index 62%
rename from Convs/MainStartCealButtonIsEnabledConv.cs
rename to Convs/MainStartButtonIsEnabledConv.cs
index 1b5010f..ef95868 100644
--- a/Convs/MainStartCealButtonIsEnabledConv.cs
+++ b/Convs/MainStartButtonIsEnabledConv.cs
@@ -6,14 +6,15 @@ using Sheas_Cealer.Consts;
 
 namespace Sheas_Cealer.Convs;
 
-internal class MainStartCealButtonIsEnabledConv : IMultiValueConverter
+internal class MainStartButtonIsEnabledConv : IMultiValueConverter
 {
     public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
     {
         string? browserPath = values[0] as string;
         string? extraArgs = values[1] as string;
 
-        return File.Exists(browserPath) && Path.GetFileName(browserPath).ToLower().EndsWith(".exe") && (MainConst.ExtraArgsRegex().IsMatch(extraArgs!) || extraArgs == MainConst.SettingsBoxExtraArgsPlaceHolder);
+        return (File.Exists(browserPath) && Path.GetFileName(browserPath).ToLowerInvariant().EndsWith(".exe")) &&
+            (extraArgs == MainConst.SettingsBoxExtraArgsPlaceHolder || MainConst.ExtraArgsRegex().IsMatch(extraArgs!));
     }
 
     public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture) => throw new NotImplementedException();
diff --git a/Convs/MainThemesButtonContentConv.cs b/Convs/MainThemesButtonContentConv.cs
index 510957f..97187ac 100644
--- a/Convs/MainThemesButtonContentConv.cs
+++ b/Convs/MainThemesButtonContentConv.cs
@@ -11,7 +11,9 @@ internal class MainThemesButtonContentConv : IValueConverter
     {
         bool? isLightMode = value as bool?;
 
-        return isLightMode.HasValue ? (isLightMode.GetValueOrDefault() ? MainConst.ThemesButtonLightThemeContent : MainConst.ThemesButtonDarkThemeContent) : MainConst.ThemesButtonInheritThemeContent;
+        return isLightMode.HasValue ?
+            (isLightMode.GetValueOrDefault() ? MainConst.ThemesButtonLightThemeContent : MainConst.ThemesButtonDarkThemeContent) :
+            MainConst.ThemesButtonInheritThemeContent;
     }
 
     public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) => throw new NotImplementedException();
diff --git a/Preses/MainPres.cs b/Preses/MainPres.cs
index 2b19242..7b76e21 100644
--- a/Preses/MainPres.cs
+++ b/Preses/MainPres.cs
@@ -4,7 +4,6 @@ using CommunityToolkit.Mvvm.ComponentModel;
 using MaterialDesignThemes.Wpf;
 using Sheas_Cealer.Consts;
 using Sheas_Cealer.Props;
-using Sheas_Cealer.Wins;
 using File = System.IO.File;
 
 namespace Sheas_Cealer.Preses;
@@ -13,9 +12,9 @@ internal partial class MainPres : ObservableObject
 {
     internal MainPres(string[] args)
     {
-        int browserPathIndex = Array.FindIndex(args, arg => arg == "-b") + 1,
-        upstreamUrlIndex = Array.FindIndex(args, arg => arg == "-u") + 1,
-        extraArgsIndex = Array.FindIndex(args, arg => arg == "-e") + 1;
+        int browserPathIndex = Array.FindIndex(args, arg => arg.Equals("-b", StringComparison.OrdinalIgnoreCase)) + 1;
+        int upstreamUrlIndex = Array.FindIndex(args, arg => arg.Equals("-u", StringComparison.OrdinalIgnoreCase)) + 1;
+        int extraArgsIndex = Array.FindIndex(args, arg => arg.Equals("-e", StringComparison.OrdinalIgnoreCase)) + 1;
 
         BrowserPath = browserPathIndex == 0 ?
             (!string.IsNullOrWhiteSpace(Settings.Default.BrowserPath) ? Settings.Default.BrowserPath : string.Empty) :
@@ -28,13 +27,10 @@ internal partial class MainPres : ObservableObject
         ExtraArgs = extraArgsIndex == 0 ?
             (!string.IsNullOrWhiteSpace(Settings.Default.ExtraArgs) ? Settings.Default.ExtraArgs : string.Empty) :
             args[extraArgsIndex];
-
-        if (Array.Exists(args, args => args == "-d"))
-            new MainWin([]).StartCealButton_Click(null!, null!);
     }
 
     [ObservableProperty]
-    private MainConst.SettingsMode mode;
+    private MainConst.SettingsMode settingsMode;
 
     [ObservableProperty]
     private bool? isLightTheme = null;
@@ -42,6 +38,7 @@ internal partial class MainPres : ObservableObject
     {
         PaletteHelper paletteHelper = new();
         Theme newTheme = paletteHelper.GetTheme();
+
         newTheme.SetBaseTheme(value.HasValue ? (value.GetValueOrDefault() ? BaseTheme.Light : BaseTheme.Dark) : BaseTheme.Inherit);
         paletteHelper.SetTheme(newTheme);
     }
@@ -50,7 +47,7 @@ internal partial class MainPres : ObservableObject
     private string browserPath;
     partial void OnBrowserPathChanged(string value)
     {
-        if (File.Exists(value) && Path.GetFileName(value).ToLower().EndsWith(".exe"))
+        if (File.Exists(value) && Path.GetFileName(value).ToLowerInvariant().EndsWith(".exe"))
         {
             Settings.Default.BrowserPath = value;
             Settings.Default.Save();
diff --git a/Wins/MainWin.xaml b/Wins/MainWin.xaml
index 6218efe..e183a33 100644
--- a/Wins/MainWin.xaml
+++ b/Wins/MainWin.xaml
@@ -25,17 +25,16 @@
                 <ColumnDefinition Width="Auto" />
             </Grid.ColumnDefinitions>
 
-            <Button Grid.Column="0" Margin="5" ToolTip="{Binding Source={x:Static consts:MainConst.SettingsModeButtonToolTip}}"
+            <Button Grid.Column="0" Margin="5" d:Content="# # # #" ToolTip="{Binding Source={x:Static consts:MainConst.SettingsModeButtonToolTip}}"
                     Click="SettingsModeButton_Click">
                 <Button.Content>
-                    <Binding Path="Mode">
+                    <Binding Path="SettingsMode">
                         <Binding.Converter>
                             <convs:MainSettingsModeButtonContentConv />
                         </Binding.Converter>
                     </Binding>
                 </Button.Content>
             </Button>
-
             <TextBox x:Name="SettingsBox"
                      Grid.Column="1" Margin="5" VerticalContentAlignment="Center" md:HintAssist.IsFloating="True"
                      TextChanged="SettingsBox_TextChanged" PreviewDragOver="MainWin_DragEnter">
@@ -45,31 +44,31 @@
                             <convs:MainSettingsBoxTextConv />
                         </MultiBinding.Converter>
 
-                        <Binding Path="Mode" />
+                        <Binding Path="SettingsMode" />
                         <Binding Path="BrowserPath" />
                         <Binding Path="UpstreamUrl" />
                         <Binding Path="ExtraArgs" />
                     </MultiBinding>
                 </TextBox.Text>
                 <TextBox.ToolTip>
-                    <Binding Path="Mode">
+                    <Binding Path="SettingsMode">
                         <Binding.Converter>
                             <convs:MainSettingsBoxToolTipConv />
                         </Binding.Converter>
                     </Binding>
                 </TextBox.ToolTip>
                 <md:HintAssist.Hint>
-                    <Binding Path="Mode">
+                    <Binding Path="SettingsMode">
                         <Binding.Converter>
                             <convs:MainSettingsBoxHintConv />
                         </Binding.Converter>
                     </Binding>
                 </md:HintAssist.Hint>
             </TextBox>
-            <Button Grid.Column="2" Margin="5" ToolTip="{Binding Source={x:Static consts:MainConst.SettingsFunctionButtonToolTip}}"
+            <Button Grid.Column="2" Margin="5" d:Content="# #" ToolTip="{Binding Source={x:Static consts:MainConst.SettingsFunctionButtonToolTip}}"
                     Click="SettingsFunctionButton_Click">
                 <Button.Content>
-                    <Binding Path="Mode">
+                    <Binding Path="SettingsMode">
                         <Binding.Converter>
                             <convs:MainSettingsFunctionButtonContentConv />
                         </Binding.Converter>
@@ -77,15 +76,13 @@
                 </Button.Content>
             </Button>
         </Grid>
-
         <Button IsDefault="True"
-                Grid.Row="1" Margin="5" Content="{Binding Source={x:Static consts:MainConst.StartCealButtonContent}}" ToolTip="{Binding Source={x:Static consts:MainConst.StartCealButtonToolTip}}"
-                Click="StartCealButton_Click" PreviewMouseDown="StartCealButton_PreviewMouseDown">
-
+                Grid.Row="1" Margin="5" Content="{Binding Source={x:Static consts:MainConst.StartButtonContent}}" ToolTip="{Binding Source={x:Static consts:MainConst.StartButtonToolTip}}"
+                Click="StartButton_Click" PreviewMouseDown="StartButton_PreviewMouseDown">
             <Button.IsEnabled>
                 <MultiBinding>
                     <MultiBinding.Converter>
-                        <convs:MainStartCealButtonIsEnabledConv />
+                        <convs:MainStartButtonIsEnabledConv />
                     </MultiBinding.Converter>
 
                     <Binding Path="BrowserPath" />
@@ -93,7 +90,6 @@
                 </MultiBinding>
             </Button.IsEnabled>
         </Button>
-
         <Grid Grid.Row="2">
             <Grid.ColumnDefinitions>
                 <ColumnDefinition Width="*" />
@@ -102,11 +98,9 @@
                 <ColumnDefinition Width="*" />
             </Grid.ColumnDefinitions>
 
-            <Button x:Name="EditHostButton"
-                    Grid.Column="0" Margin="5" Content="{Binding Source={x:Static consts:MainConst.EditHostButtonContent}}" ToolTip="{Binding Source={x:Static consts:MainConst.EditHostButtonToolTip}}"
+            <Button Grid.Column="0" Margin="5" Content="{Binding Source={x:Static consts:MainConst.EditHostButtonContent}}" ToolTip="{Binding Source={x:Static consts:MainConst.EditHostButtonToolTip}}"
                     Click="EditHostButton_Click" />
-            <Button x:Name="UpdateHostButton"
-                    Grid.Column="1" Margin="5" Content="{Binding Source={x:Static consts:MainConst.UpdateHostButtonContent}}" ToolTip="{Binding Source={x:Static consts:MainConst.UpdateHostButtonToolTip}}"
+            <Button Grid.Column="1" Margin="5" Content="{Binding Source={x:Static consts:MainConst.UpdateHostButtonContent}}" ToolTip="{Binding Source={x:Static consts:MainConst.UpdateHostButtonToolTip}}"
                     Click="UpdateHostButton_Click">
                 <Button.IsEnabled>
                     <Binding Path="UpstreamUrl">
@@ -116,8 +110,7 @@
                     </Binding>
                 </Button.IsEnabled>
             </Button>
-            <Button x:Name="ThemesButton"
-                    Grid.Column="2" Margin="5" ToolTip="{Binding Source={x:Static consts:MainConst.ThemesButtonToolTip}}"
+            <Button Grid.Column="2" Margin="5" d:Content="# # # #" ToolTip="{Binding Source={x:Static consts:MainConst.ThemesButtonToolTip}}"
                     Click="ThemesButton_Click">
                 <Button.Content>
                     <Binding Path="IsLightTheme">
diff --git a/Wins/MainWin.xaml.cs b/Wins/MainWin.xaml.cs
index f7d0f3b..2c3bfca 100644
--- a/Wins/MainWin.xaml.cs
+++ b/Wins/MainWin.xaml.cs
@@ -20,17 +20,18 @@ namespace Sheas_Cealer.Wins;
 
 public partial class MainWin : Window
 {
-    private static string CealArgs = string.Empty;
-    private static readonly HttpClient MainClient = new();
-    private static DispatcherTimer HoldButtonTimer = new() { Interval = TimeSpan.FromSeconds(1) };
-    private static readonly FileSystemWatcher CealingHostWatcher = new(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, "Cealing-Host.json") { EnableRaisingEvents = true, NotifyFilter = NotifyFilters.LastWrite };
     private static MainPres? MainPres;
+    private static readonly HttpClient MainClient = new();
+    private static DispatcherTimer? HoldButtonTimer;
+    private static readonly FileSystemWatcher CealingHostWatcher = new(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, "Cealing-Host.json") { EnableRaisingEvents = true, NotifyFilter = NotifyFilters.LastWrite };
+    private static string CealArgs = string.Empty;
 
     internal MainWin(string[] args)
     {
         InitializeComponent();
 
         DataContext = MainPres = new(args);
+
         CealingHostWatcher.Changed += CealingHostWatcher_Changed;
         CealingHostWatcher_Changed(null!, null!);
     }
@@ -51,7 +52,7 @@ public partial class MainWin : Window
 
     private void SettingsBox_TextChanged(object sender, TextChangedEventArgs e)
     {
-        switch (MainPres!.Mode)
+        switch (MainPres!.SettingsMode)
         {
             case MainConst.SettingsMode.BrowserPathMode:
                 MainPres.BrowserPath = SettingsBox.Text;
@@ -64,11 +65,21 @@ public partial class MainWin : Window
                 return;
         }
     }
+    private void SettingsModeButton_Click(object sender, RoutedEventArgs e)
+    {
+        MainPres!.SettingsMode = MainPres.SettingsMode switch
+        {
+            MainConst.SettingsMode.BrowserPathMode => MainConst.SettingsMode.UpstreamUrlMode,
+            MainConst.SettingsMode.UpstreamUrlMode => MainConst.SettingsMode.ExtraArgsMode,
+            MainConst.SettingsMode.ExtraArgsMode => MainConst.SettingsMode.BrowserPathMode,
+            _ => throw new UnreachableException()
+        };
+    }
     private void SettingsFunctionButton_Click(object sender, RoutedEventArgs e)
     {
         OpenFileDialog browserPathDialog = new() { Filter = "浏览器 (*.exe)|*.exe" };
 
-        switch (MainPres!.Mode)
+        switch (MainPres!.SettingsMode)
         {
             case MainConst.SettingsMode.BrowserPathMode when browserPathDialog.ShowDialog().GetValueOrDefault():
                 SettingsBox.Focus();
@@ -82,57 +93,21 @@ public partial class MainWin : Window
                 return;
         }
     }
-    private void SettingsModeButton_Click(object sender, RoutedEventArgs e)
+
+    private void StartButton_Click(object sender, RoutedEventArgs e)
     {
-        MainPres!.Mode = MainPres.Mode switch
-        {
-            MainConst.SettingsMode.BrowserPathMode => MainConst.SettingsMode.UpstreamUrlMode,
-            MainConst.SettingsMode.UpstreamUrlMode => MainConst.SettingsMode.ExtraArgsMode,
-            MainConst.SettingsMode.ExtraArgsMode => MainConst.SettingsMode.BrowserPathMode,
-            _ => throw new UnreachableException()
-        };
+        if (HoldButtonTimer!.IsEnabled)
+            StartButtonHoldTimer_Tick(null, null!);
     }
-
-    internal void StartCealButton_Click(object sender, RoutedEventArgs e)
-    {
-        if (HoldButtonTimer.IsEnabled)
-            HoldButtonTimer.Stop();
-        else
-            return;
-
-        if (string.IsNullOrWhiteSpace(CealArgs))
-            throw new Exception("规则无法识别，请检查伪造规则是否含有语法错误");
-        if (MessageBox.Show("启动前将关闭所选浏览器的所有进程，是否继续？", string.Empty, MessageBoxButton.YesNo) != MessageBoxResult.Yes)
-            return;
-
-        IWshShortcut uncealedBrowserShortcut = (IWshShortcut)new WshShell().CreateShortcut(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, @"Uncealed-Browser.lnk"));
-        uncealedBrowserShortcut.TargetPath = MainPres!.BrowserPath;
-        uncealedBrowserShortcut.Description = "Created By Sheas Cealer";
-        uncealedBrowserShortcut.Save();
-
-        foreach (Process browserProcess in Process.GetProcessesByName(Path.GetFileNameWithoutExtension(MainPres.BrowserPath)))
-        {
-            browserProcess.Kill();
-            browserProcess.WaitForExit();
-        }
-
-        new CommandProc(true).ShellRun(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, (CealArgs + " " + MainPres!.ExtraArgs).Trim());
-    }
-    private void StartCealButton_PreviewMouseDown(object sender, MouseButtonEventArgs e)
+    private void StartButton_PreviewMouseDown(object sender, MouseButtonEventArgs e)
     {
         HoldButtonTimer = new() { Interval = TimeSpan.FromSeconds(1) };
-        HoldButtonTimer.Tick += StartCealButtonHoldButtonTimer_Tick;
+        HoldButtonTimer.Tick += StartButtonHoldTimer_Tick;
         HoldButtonTimer.Start();
     }
-    private void StartCealButtonHoldButtonTimer_Tick(object? sender, EventArgs e)
+    private void StartButtonHoldTimer_Tick(object? sender, EventArgs e)
     {
-        HoldButtonTimer.Stop();
-
-        if (HoldButtonTimer.IsEnabled)
-        {
-            HoldButtonTimer.Stop();
-            return;
-        }
+        HoldButtonTimer!.Stop();
 
         if (string.IsNullOrWhiteSpace(CealArgs))
             throw new Exception("规则无法识别，请检查伪造规则是否含有语法错误");
@@ -150,10 +125,7 @@ public partial class MainWin : Window
             browserProcess.WaitForExit();
         }
 
-        if (string.IsNullOrWhiteSpace(MainPres.ExtraArgs))
-            MainPres.ExtraArgs = " " + MainPres.ExtraArgs;
-
-        new CommandProc(false).ShellRun(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, CealArgs + (string.IsNullOrWhiteSpace(MainPres.ExtraArgs) ? "" : " " + MainPres.ExtraArgs));
+        new CommandProc(sender == null).ShellRun(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, ($"{CealArgs} {MainPres!.ExtraArgs}").Trim());
     }
 
     private void EditHostButton_Click(object sender, RoutedEventArgs e)
@@ -163,53 +135,54 @@ public partial class MainWin : Window
     }
     private async void UpdateHostButton_Click(object sender, RoutedEventArgs e)
     {
-        string hostUrl = MainPres!.UpstreamUrl;
-        string UpdateHostString = await Http.GetAsync<string>(hostUrl, MainClient);
-        string hostLocalString;
-        using (StreamReader hostLocalStreamReader = new(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, @"Cealing-Host.json")))
-            hostLocalString = hostLocalStreamReader.ReadToEnd();
+        string upstreamHostUrl = MainPres!.UpstreamUrl;
+        string upstreamHostString = await Http.GetAsync<string>(upstreamHostUrl, MainClient);
+        string localHostString;
 
-        if (hostLocalString.Replace("\r", string.Empty) == UpdateHostString)
+        using (StreamReader localHostStreamReader = new(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, @"Cealing-Host.json")))
+            localHostString = localHostStreamReader.ReadToEnd();
+
+        if (localHostString.Replace("\r", string.Empty) == upstreamHostString)
             MessageBox.Show("本地伪造规则和上游一模一样");
         else
         {
-            MessageBoxResult overrideResult = MessageBox.Show("本地伪造规则和上游略有不同，需要覆盖本地吗? 否则只为你打开上游规则的网页", string.Empty, MessageBoxButton.YesNoCancel);
-            if (overrideResult == MessageBoxResult.Yes)
+            MessageBoxResult overrideOptionResult = MessageBox.Show("本地伪造规则和上游略有不同，需要覆盖本地吗? 否则只为你打开上游规则的网页", string.Empty, MessageBoxButton.YesNoCancel);
+            if (overrideOptionResult == MessageBoxResult.Yes)
             {
-                File.WriteAllText(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, @"Cealing-Host.json"), UpdateHostString);
+                File.WriteAllText(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, @"Cealing-Host.json"), upstreamHostString);
                 MessageBox.Show("更新已完成");
             }
-            else if (overrideResult == MessageBoxResult.No)
-                Process.Start(new ProcessStartInfo(hostUrl) { UseShellExecute = true });
+            else if (overrideOptionResult == MessageBoxResult.No)
+                Process.Start(new ProcessStartInfo(upstreamHostUrl) { UseShellExecute = true });
         }
     }
     private void ThemesButton_Click(object sender, RoutedEventArgs e) => MainPres!.IsLightTheme = MainPres.IsLightTheme.HasValue ? (MainPres.IsLightTheme.Value ? null : true) : false;
     private void AboutButton_Click(object sender, RoutedEventArgs e) => new AboutWin().ShowDialog();
 
-    internal void CealingHostWatcher_Changed(object sender, FileSystemEventArgs e)
+    private void CealingHostWatcher_Changed(object sender, FileSystemEventArgs e)
     {
         try
         {
-            string hostRules = string.Empty, hostResolverRules = string.Empty;
+            string hostRules = string.Empty;
+            string hostResolverRules = string.Empty;
             int ruleIndex = 0;
+
             using FileStream hostStream = new(Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase!, @"Cealing-Host.json"), FileMode.OpenOrCreate, FileAccess.Read, FileShare.ReadWrite | FileShare.Delete);
             using StreamReader hostReader = new(hostStream);
-            JArray hostJArray = JArray.Parse(hostReader.ReadToEnd());
 
-            foreach (var hostJToken in hostJArray)
+            foreach (JToken hostJToken in JArray.Parse(hostReader.ReadToEnd()))
             {
                 if (string.IsNullOrWhiteSpace(hostJToken[1]!.ToString()))
-                    hostJToken[1] = "c" + ruleIndex;
+                    hostJToken[1] = $"c{ruleIndex}";
 
-                foreach (var hostName in hostJToken[0]!)
-                    hostRules += "MAP " + hostName + " " + hostJToken[1] + ",";
+                foreach (JToken hostName in hostJToken[0]!)
+                    hostRules += $"MAP {hostName} {hostJToken[1]},";
 
-                hostResolverRules += "MAP " + hostJToken[1] + " " + hostJToken[2] + ",";
+                hostResolverRules += $"MAP {hostJToken[1]} {hostJToken[2]},";
 
                 ++ruleIndex;
             }
 
-
             CealArgs = @$"/c @start .\""Uncealed-Browser.lnk"" --host-rules=""{hostRules[0..^1]}"" --host-resolver-rules=""{hostResolverRules[0..^1]}"" --test-type --ignore-certificate-errors";
         }
         catch { CealArgs = string.Empty; }