diff --git a/v2rayN/ServiceLib/Models/ConfigItems.cs b/v2rayN/ServiceLib/Models/ConfigItems.cs
index 41d34606..ed306fe1 100644
--- a/v2rayN/ServiceLib/Models/ConfigItems.cs
+++ b/v2rayN/ServiceLib/Models/ConfigItems.cs
@@ -102,8 +102,6 @@
         public double MainGirdHeight1 { get; set; }
         public double MainGirdHeight2 { get; set; }
         public EGirdOrientation MainGirdOrientation { get; set; } = EGirdOrientation.Vertical;
-        public bool ColorModeDark { get; set; }
-        public bool FollowSystemTheme { get; set; }
         public string? ColorPrimaryName { get; set; }
         public string? CurrentTheme { get; set; }
         public string CurrentLanguage { get; set; }
diff --git a/v2rayN/v2rayN/Common/WindowsUtils.cs b/v2rayN/v2rayN/Common/WindowsUtils.cs
index 02ec9abb..6a0792d8 100644
--- a/v2rayN/v2rayN/Common/WindowsUtils.cs
+++ b/v2rayN/v2rayN/Common/WindowsUtils.cs
@@ -64,14 +64,6 @@ namespace v2rayN
                 BitmapSizeOptions.FromEmptyOptions());
         }
 
-        public static bool IsDarkTheme()
-        {
-            using var key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize");
-            var obj = key?.GetValue("AppsUseLightTheme");
-            int.TryParse(obj?.ToString(), out var value);
-            return value == 0;
-        }
-
         public static void RemoveTunDevice()
         {
             try
@@ -103,7 +95,19 @@ namespace v2rayN
             }
         }
 
-        public static void SetDarkBorder(Window window, bool dark)
+        public static void SetDarkBorder(Window window, string? theme)
+        {
+            var isDark = theme switch
+            {
+                nameof(ETheme.Dark) => true,
+                nameof(ETheme.Light) => false,
+                _ => IsDarkTheme(),
+            };
+
+            SetDarkBorder(window, isDark);
+        }
+
+        private static void SetDarkBorder(Window window, bool dark)
         {
             // Make sure the handle is created before the window is shown
             IntPtr hWnd = new WindowInteropHelper(window).EnsureHandle();
@@ -113,6 +117,14 @@ namespace v2rayN
             DwmSetWindowAttribute(hWnd, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, ref attribute, attributeSize);
         }
 
+        private static bool IsDarkTheme()
+        {
+            using var key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize");
+            var obj = key?.GetValue("AppsUseLightTheme");
+            int.TryParse(obj?.ToString(), out var value);
+            return value == 0;
+        }
+
         #region Windows API
 
         [Flags]
diff --git a/v2rayN/v2rayN/ViewModels/ThemeSettingViewModel.cs b/v2rayN/v2rayN/ViewModels/ThemeSettingViewModel.cs
index 22eb78ed..35654d3d 100644
--- a/v2rayN/v2rayN/ViewModels/ThemeSettingViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/ThemeSettingViewModel.cs
@@ -16,23 +16,17 @@ namespace v2rayN.ViewModels
     {
         private readonly PaletteHelper _paletteHelper = new();
 
-        [Reactive]
-        public bool ColorModeDark { get; set; }
-
         private IObservableCollection<Swatch> _swatches = new ObservableCollectionExtended<Swatch>();
         public IObservableCollection<Swatch> Swatches => _swatches;
 
         [Reactive]
         public Swatch SelectedSwatch { get; set; }
 
-        [Reactive]
-        public int CurrentFontSize { get; set; }
+        [Reactive] public string CurrentTheme { get; set; }
 
-        [Reactive]
-        public bool FollowSystemTheme { get; set; }
+        [Reactive] public int CurrentFontSize { get; set; }
 
-        [Reactive]
-        public string CurrentLanguage { get; set; }
+        [Reactive] public string CurrentLanguage { get; set; }
 
         public ThemeSettingViewModel()
         {
@@ -62,40 +56,27 @@ namespace v2rayN.ViewModels
 
         private void BindingUI()
         {
-            ColorModeDark = _config.UiItem.ColorModeDark;
-            FollowSystemTheme = _config.UiItem.FollowSystemTheme;
             _swatches.AddRange(new SwatchesProvider().Swatches);
             if (!_config.UiItem.ColorPrimaryName.IsNullOrEmpty())
             {
                 SelectedSwatch = _swatches.FirstOrDefault(t => t.Name == _config.UiItem.ColorPrimaryName);
             }
+            CurrentTheme = _config.UiItem.CurrentTheme;
             CurrentFontSize = _config.UiItem.CurrentFontSize;
             CurrentLanguage = _config.UiItem.CurrentLanguage;
 
             this.WhenAnyValue(
-                  x => x.ColorModeDark,
-                  y => y == true)
-                      .Subscribe(c =>
-                      {
-                          if (_config.UiItem.ColorModeDark != ColorModeDark)
-                          {
-                              _config.UiItem.ColorModeDark = ColorModeDark;
-                              ModifyTheme();
-                              ConfigHandler.SaveConfig(_config);
-                          }
-                      });
-
-            this.WhenAnyValue(x => x.FollowSystemTheme,
-                y => y == true)
-                    .Subscribe(c =>
-                    {
-                        if (_config.UiItem.FollowSystemTheme != FollowSystemTheme)
-                        {
-                            _config.UiItem.FollowSystemTheme = FollowSystemTheme;
-                            ModifyTheme();
-                            ConfigHandler.SaveConfig(_config);
-                        }
-                    });
+                    x => x.CurrentTheme,
+                    y => y != null && !y.IsNullOrEmpty())
+                .Subscribe(c =>
+                 {
+                     if (_config.UiItem.CurrentTheme != CurrentTheme)
+                     {
+                         _config.UiItem.CurrentTheme = CurrentTheme;
+                         ModifyTheme();
+                         ConfigHandler.SaveConfig(_config);
+                     }
+                 });
 
             this.WhenAnyValue(
               x => x.SelectedSwatch,
@@ -147,12 +128,18 @@ namespace v2rayN.ViewModels
 
         public void ModifyTheme()
         {
-            var theme = _paletteHelper.GetTheme();
+            var baseTheme = CurrentTheme switch
+            {
+                nameof(ETheme.Dark) => BaseTheme.Dark,
+                nameof(ETheme.Light) => BaseTheme.Light,
+                _ => BaseTheme.Inherit,
+            };
 
-            var isDarkTheme = FollowSystemTheme ? WindowsUtils.IsDarkTheme() : ColorModeDark;
-            theme.SetBaseTheme(isDarkTheme ? BaseTheme.Dark : BaseTheme.Light);
+            var theme = _paletteHelper.GetTheme();
+            theme.SetBaseTheme(baseTheme);
             _paletteHelper.SetTheme(theme);
-            WindowsUtils.SetDarkBorder(Application.Current.MainWindow, isDarkTheme);
+
+            WindowsUtils.SetDarkBorder(Application.Current.MainWindow, CurrentTheme);
         }
 
         private void ModifyFontSize()
@@ -182,7 +169,7 @@ namespace v2rayN.ViewModels
             var hwndSource = HwndSource.FromHwnd(helper.EnsureHandle());
             hwndSource.AddHook((IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) =>
             {
-                if (config.UiItem.FollowSystemTheme)
+                if (config.UiItem.CurrentTheme == nameof(ETheme.FollowSystem))
                 {
                     const int WM_SETTINGCHANGE = 0x001A;
                     if (msg == WM_SETTINGCHANGE)
diff --git a/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs b/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
index b71c145e..efefab6e 100644
--- a/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
+++ b/v2rayN/v2rayN/Views/AddServer2Window.xaml.cs
@@ -34,7 +34,7 @@ namespace v2rayN.Views
                 this.BindCommand(ViewModel, vm => vm.EditServerCmd, v => v.btnEdit).DisposeWith(disposables);
                 this.BindCommand(ViewModel, vm => vm.SaveServerCmd, v => v.btnSave).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
index 11c68424..0d147e10 100644
--- a/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/AddServerWindow.xaml.cs
@@ -210,7 +210,7 @@ namespace v2rayN.Views
             });
 
             this.Title = $"{profileItem.ConfigType}";
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs
index 56a8242d..06955269 100644
--- a/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/DNSSettingWindow.xaml.cs
@@ -50,7 +50,7 @@ namespace v2rayN.Views
                 this.BindCommand(ViewModel, vm => vm.ImportDefConfig4V2rayCmd, v => v.btnImportDefConfig4V2ray).DisposeWith(disposables);
                 this.BindCommand(ViewModel, vm => vm.ImportDefConfig4SingboxCmd, v => v.btnImportDefConfig4Singbox).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
index 185a54d0..6a020a90 100644
--- a/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/GlobalHotkeySettingWindow.xaml.cs
@@ -30,7 +30,7 @@ namespace v2rayN.Views
 
             HotkeyHandler.Instance.IsPause = true;
             this.Closing += (s, e) => HotkeyHandler.Instance.IsPause = false;
-            WindowsUtils.SetDarkBorder(this, _config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : _config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, _config.UiItem.CurrentTheme);
             InitData();
         }
 
diff --git a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
index d1c859d5..2e52d20a 100644
--- a/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/OptionSettingWindow.xaml.cs
@@ -177,7 +177,7 @@ namespace v2rayN.Views
 
                 this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs b/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs
index 5b6cca4c..b49add72 100644
--- a/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/RoutingRuleDetailsWindow.xaml.cs
@@ -58,7 +58,7 @@ namespace v2rayN.Views
 
                 this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
index 4340b2f3..3f66daaf 100644
--- a/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/RoutingRuleSettingWindow.xaml.cs
@@ -60,7 +60,7 @@ namespace v2rayN.Views
 
                 this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs
index 39086ec4..74ae14ec 100644
--- a/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/RoutingSettingWindow.xaml.cs
@@ -52,7 +52,7 @@ namespace v2rayN.Views
 
                 this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs b/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs
index 02619d27..2bf457fe 100644
--- a/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/SubEditWindow.xaml.cs
@@ -38,7 +38,7 @@ namespace v2rayN.Views
 
                 this.BindCommand(ViewModel, vm => vm.SaveCmd, v => v.btnSave).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs b/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs
index 96eaf2f8..a326354f 100644
--- a/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/SubSettingWindow.xaml.cs
@@ -31,7 +31,7 @@ namespace v2rayN.Views
                 this.BindCommand(ViewModel, vm => vm.SubEditCmd, v => v.menuSubEdit).DisposeWith(disposables);
                 this.BindCommand(ViewModel, vm => vm.SubShareCmd, v => v.menuSubShare).DisposeWith(disposables);
             });
-            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.FollowSystemTheme ? WindowsUtils.IsDarkTheme() : AppHandler.Instance.Config.UiItem.ColorModeDark);
+            WindowsUtils.SetDarkBorder(this, AppHandler.Instance.Config.UiItem.CurrentTheme);
         }
 
         private async Task<bool> UpdateViewHandler(EViewAction action, object? obj)
diff --git a/v2rayN/v2rayN/Views/ThemeSettingView.xaml b/v2rayN/v2rayN/Views/ThemeSettingView.xaml
index 059c3414..d51479ef 100644
--- a/v2rayN/v2rayN/Views/ThemeSettingView.xaml
+++ b/v2rayN/v2rayN/Views/ThemeSettingView.xaml
@@ -25,29 +25,20 @@
                 <ColumnDefinition Width="Auto" />
                 <ColumnDefinition Width="Auto" />
             </Grid.ColumnDefinitions>
-            <TextBlock
-                Grid.Row="0"
-                Grid.Column="0"
-                VerticalAlignment="Center"
-                Style="{StaticResource ToolbarTextBlock}"
-                Text="{x:Static resx:ResUI.TbSettingsColorMode}" />
-            <ToggleButton
-                x:Name="togDarkMode"
-                Grid.Row="0"
-                Grid.Column="1"
-                Margin="{StaticResource Margin8}" />
 
             <TextBlock
                 Grid.Row="1"
                 Grid.Column="0"
                 VerticalAlignment="Center"
                 Style="{StaticResource ToolbarTextBlock}"
-                Text="{x:Static resx:ResUI.TbSettingsFollowSystemTheme}" />
-            <ToggleButton
-                x:Name="togFollowSystemTheme"
+                Text="{x:Static resx:ResUI.TbSettingsTheme}" />
+            <ComboBox
+                x:Name="cmbCurrentTheme"
                 Grid.Row="1"
                 Grid.Column="1"
-                Margin="{StaticResource Margin8}" />
+                Width="120"
+                Margin="{StaticResource Margin8}"
+                Style="{StaticResource DefComboBox}" />
 
             <TextBlock
                 Grid.Row="2"
@@ -59,7 +50,7 @@
                 x:Name="cmbSwatches"
                 Grid.Row="2"
                 Grid.Column="1"
-                Width="100"
+                Width="120"
                 Margin="{StaticResource Margin8}"
                 DisplayMemberPath="Name"
                 Style="{StaticResource DefComboBox}" />
@@ -74,7 +65,7 @@
                 x:Name="cmbCurrentFontSize"
                 Grid.Row="3"
                 Grid.Column="1"
-                Width="100"
+                Width="120"
                 Margin="{StaticResource Margin8}"
                 Style="{StaticResource DefComboBox}" />
 
@@ -88,7 +79,7 @@
                 x:Name="cmbCurrentLanguage"
                 Grid.Row="4"
                 Grid.Column="1"
-                Width="100"
+                Width="120"
                 Margin="{StaticResource Margin8}"
                 Style="{StaticResource DefComboBox}" />
         </Grid>
diff --git a/v2rayN/v2rayN/Views/ThemeSettingView.xaml.cs b/v2rayN/v2rayN/Views/ThemeSettingView.xaml.cs
index 179cb843..2cc80f3b 100644
--- a/v2rayN/v2rayN/Views/ThemeSettingView.xaml.cs
+++ b/v2rayN/v2rayN/Views/ThemeSettingView.xaml.cs
@@ -13,6 +13,11 @@ namespace v2rayN.Views
         {
             InitializeComponent();
             ViewModel = new ThemeSettingViewModel();
+            foreach (ETheme it in Enum.GetValues(typeof(ETheme)))
+            {
+                if ((int)it > 2) continue;
+                cmbCurrentTheme.Items.Add(it.ToString());
+            }
 
             for (int i = Global.MinFontSize; i <= Global.MinFontSize + 10; i++)
             {
@@ -26,8 +31,7 @@ namespace v2rayN.Views
 
             this.WhenActivated(disposables =>
             {
-                this.Bind(ViewModel, vm => vm.ColorModeDark, v => v.togDarkMode.IsChecked).DisposeWith(disposables);
-                this.Bind(ViewModel, vm => vm.FollowSystemTheme, v => v.togFollowSystemTheme.IsChecked).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.CurrentTheme, v => v.cmbCurrentTheme.SelectedValue).DisposeWith(disposables);
                 this.OneWayBind(ViewModel, vm => vm.Swatches, v => v.cmbSwatches.ItemsSource).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.SelectedSwatch, v => v.cmbSwatches.SelectedItem).DisposeWith(disposables);
                 this.Bind(ViewModel, vm => vm.CurrentFontSize, v => v.cmbCurrentFontSize.Text).DisposeWith(disposables);