diff --git a/v2rayN/v2rayN/App.xaml b/v2rayN/v2rayN/App.xaml
index ddb2a4ba..03af3be5 100644
--- a/v2rayN/v2rayN/App.xaml
+++ b/v2rayN/v2rayN/App.xaml
@@ -20,6 +20,8 @@
             <system:Double x:Key="StdFontSize1">13</system:Double>
             <system:Double x:Key="StdFontSize2">14</system:Double>
             <system:Double x:Key="StdFontSizeMsg">11</system:Double>
+
+            <conv:InverseBooleanConverter x:Key="InverseBooleanConverter"/>
             <Thickness
                 x:Key="ServerItemMargin"
                 Bottom="4"
diff --git a/v2rayN/v2rayN/Converters/InverseBooleanConverter.cs b/v2rayN/v2rayN/Converters/InverseBooleanConverter.cs
new file mode 100644
index 00000000..c05f4d7d
--- /dev/null
+++ b/v2rayN/v2rayN/Converters/InverseBooleanConverter.cs
@@ -0,0 +1,24 @@
+using System.Globalization;
+using System.Windows.Data;
+
+namespace v2rayN.Converters
+{
+    [ValueConversion(typeof(bool), typeof(bool))]
+    public class InverseBooleanConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if(targetType != typeof(bool))
+            {
+                throw new InvalidOperationException("The target must be a boolean");
+            }
+
+            return !(bool)value;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/v2rayN/v2rayN/Mode/ConfigItems.cs b/v2rayN/v2rayN/Mode/ConfigItems.cs
index f1033e20..14fa4c50 100644
--- a/v2rayN/v2rayN/Mode/ConfigItems.cs
+++ b/v2rayN/v2rayN/Mode/ConfigItems.cs
@@ -116,6 +116,7 @@ namespace v2rayN.Mode
         public double mainGirdHeight1 { get; set; }
         public double mainGirdHeight2 { get; set; }
         public bool colorModeDark { get; set; }
+        public bool followSystemTheme { get; set; }
         public string? colorPrimaryName { get; set; }
         public string currentLanguage { get; set; }
         public string currentFontFamily { get; set; }
diff --git a/v2rayN/v2rayN/Resx/ResUI.Designer.cs b/v2rayN/v2rayN/Resx/ResUI.Designer.cs
index 6c208a7c..8dacf39f 100644
--- a/v2rayN/v2rayN/Resx/ResUI.Designer.cs
+++ b/v2rayN/v2rayN/Resx/ResUI.Designer.cs
@@ -2527,6 +2527,15 @@ namespace v2rayN.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 Follow System Theme 的本地化字符串。
+        /// </summary>
+        public static string TbSettingsFollowSystemTheme {
+            get {
+                return ResourceManager.GetString("TbSettingsFollowSystemTheme", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 FontSize 的本地化字符串。
         /// </summary>
diff --git a/v2rayN/v2rayN/Resx/ResUI.resx b/v2rayN/v2rayN/Resx/ResUI.resx
index 1625e449..5b513251 100644
--- a/v2rayN/v2rayN/Resx/ResUI.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.resx
@@ -505,6 +505,9 @@
   <data name="TbSettingsColorMode" xml:space="preserve">
     <value>Dark Mode</value>
   </data>
+  <data name="TbSettingsFollowSystemTheme" xml:space="preserve">
+    <value>Follow System Theme</value>
+  </data>
   <data name="TbSettingsLanguage" xml:space="preserve">
     <value>Language(Restart)</value>
   </data>
diff --git a/v2rayN/v2rayN/Resx/ResUI.ru.resx b/v2rayN/v2rayN/Resx/ResUI.ru.resx
index 99be3632..30e796ab 100644
--- a/v2rayN/v2rayN/Resx/ResUI.ru.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.ru.resx
@@ -505,6 +505,9 @@
   <data name="TbSettingsColorMode" xml:space="preserve">
     <value>Тёмный режим</value>
   </data>
+  <data name="TbSettingsFollowSystemTheme" xml:space="preserve">
+    <value>следить за системной темой</value>
+  </data>
   <data name="TbSettingsLanguage" xml:space="preserve">
     <value>Язык (требуется перезапуск)</value>
   </data>
diff --git a/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx b/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
index 0363c124..8de8f034 100644
--- a/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
@@ -505,6 +505,9 @@
   <data name="TbSettingsColorMode" xml:space="preserve">
     <value>暗黑模式</value>
   </data>
+  <data name="TbSettingsFollowSystemTheme" xml:space="preserve">
+    <value>是否跟随系统主题</value>
+  </data>
   <data name="TbSettingsLanguage" xml:space="preserve">
     <value>语言(重启)</value>
   </data>
diff --git a/v2rayN/v2rayN/Tool/Utils.cs b/v2rayN/v2rayN/Tool/Utils.cs
index e440c3ff..d65bebae 100644
--- a/v2rayN/v2rayN/Tool/Utils.cs
+++ b/v2rayN/v2rayN/Tool/Utils.cs
@@ -1047,6 +1047,13 @@ namespace v2rayN
             DwmSetWindowAttribute(hWnd, DWMWINDOWATTRIBUTE.DWMWA_USE_IMMERSIVE_DARK_MODE, ref attribute, attributeSize);
         }
 
+        public static bool IsLightTheme()
+        {
+            using var key = Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize");
+            var value = key?.GetValue("AppsUseLightTheme");
+            return value is int i && i > 0;
+        }
+
         #endregion 杂项
 
         #region TempPath
diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index 7a250e96..83fe9a7d 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -12,8 +12,10 @@ using System.Drawing;
 using System.IO;
 using System.Reactive;
 using System.Reactive.Linq;
+using System.Runtime.InteropServices;
 using System.Text;
 using System.Windows;
+using System.Windows.Interop;
 using System.Windows.Media;
 using v2rayN.Base;
 using v2rayN.Handler;
@@ -237,6 +239,9 @@ namespace v2rayN.ViewModels
         [Reactive]
         public int CurrentFontSize { get; set; }
 
+        [Reactive]
+        public bool FollowSystemTheme { get; set; }
+
         [Reactive]
         public string CurrentLanguage { get; set; }
 
@@ -244,7 +249,7 @@ namespace v2rayN.ViewModels
 
         #region Init
 
-        public MainWindowViewModel(ISnackbarMessageQueue snackbarMessageQueue, Action<EViewAction> updateView)
+        public MainWindowViewModel(ISnackbarMessageQueue snackbarMessageQueue, Action<EViewAction> updateView,HwndSource hwndSource)
         {
             _updateView = updateView;
             ThreadPool.RegisterWaitForSingleObject(App.ProgramStarted, OnProgramStarted, null, -1, false);
@@ -309,7 +314,7 @@ namespace v2rayN.ViewModels
                y => y == true)
                   .Subscribe(c => DoEnableTun(c));
 
-            BindingUI();
+            BindingUI(hwndSource);
             RestoreUI();
             AutoHideStartup();
 
@@ -1665,9 +1670,10 @@ namespace v2rayN.ViewModels
         {
         }
 
-        private void BindingUI()
+        private void BindingUI(HwndSource hwndSource)
         {
             ColorModeDark = _config.uiItem.colorModeDark;
+            FollowSystemTheme = _config.uiItem.followSystemTheme;
             _swatches.AddRange(new SwatchesProvider().Swatches);
             if (!_config.uiItem.colorPrimaryName.IsNullOrEmpty())
             {
@@ -1690,6 +1696,57 @@ namespace v2rayN.ViewModels
                           }
                       });
 
+            this.WhenAnyValue(x => x.FollowSystemTheme,
+                y => y == true)
+                    .Subscribe(c =>
+                    {
+                        if (_config.uiItem.followSystemTheme != FollowSystemTheme)
+                        {
+                            _config.uiItem.followSystemTheme = FollowSystemTheme;
+                            if (FollowSystemTheme)
+                            {
+                                hwndSource.AddHook((IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) =>
+                                {
+                                    const int WM_SETTINGCHANGE = 0x001A;
+                                    if (msg == WM_SETTINGCHANGE)
+                                    {
+                                        if (wParam == IntPtr.Zero && Marshal.PtrToStringUni(lParam) == "ImmersiveColorSet")
+                                        {
+                                            var isLightTheme = Utils.IsLightTheme();
+                                            ColorModeDark = !isLightTheme;
+                                        }
+                                    }
+
+                                    return IntPtr.Zero;
+
+                                });
+
+                                var isLightTheme = Utils.IsLightTheme();
+                                ColorModeDark = !isLightTheme;
+                            }
+                            else
+                            {
+                                hwndSource.RemoveHook((IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled) =>
+                                {
+                                    const int WM_SETTINGCHANGE = 0x001A;
+                                    if (msg == WM_SETTINGCHANGE)
+                                    {
+                                        if (wParam == IntPtr.Zero && Marshal.PtrToStringUni(lParam) == "ImmersiveColorSet")
+                                        {
+                                            var isLightTheme = Utils.IsLightTheme();
+                                            ColorModeDark = !isLightTheme;
+                                        }
+                                    }
+
+                                    return IntPtr.Zero;
+
+                                });
+                            }
+
+                            ConfigHandler.SaveConfig(ref _config);
+                        }
+                    });
+
             this.WhenAnyValue(
               x => x.SelectedSwatch,
               y => y != null && !y.Name.IsNullOrEmpty())
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index b994f28f..9aefc90e 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -301,6 +301,7 @@
                                 <Grid>
                                     <Grid.RowDefinitions>
                                         <RowDefinition Height="Auto" />
+										<RowDefinition Height="Auto" />
                                         <RowDefinition Height="Auto" />
                                         <RowDefinition Height="Auto" />
                                         <RowDefinition Height="Auto" />
@@ -319,17 +320,30 @@
                                         x:Name="togDarkMode"
                                         Grid.Row="0"
                                         Grid.Column="1"
+                                        Margin="8"
+                                        IsEnabled="{Binding ElementName=followSystemTheme, Path=IsChecked, Converter={StaticResource InverseBooleanConverter}}"/>
+									
+									<TextBlock
+	                                    Grid.Row="1"
+	                                    Grid.Column="0"
+	                                    VerticalAlignment="Center"
+	                                    Style="{StaticResource ToolbarTextBlock}"
+	                                    Text="{x:Static resx:ResUI.TbSettingsFollowSystemTheme}" />
+									<ToggleButton
+                                        x:Name="followSystemTheme"
+                                        Grid.Row="1"
+                                        Grid.Column="1"
                                         Margin="8" />
 
                                     <TextBlock
-                                        Grid.Row="1"
+                                        Grid.Row="2"
                                         Grid.Column="0"
                                         VerticalAlignment="Center"
                                         Style="{StaticResource ToolbarTextBlock}"
                                         Text="{x:Static resx:ResUI.TbSettingsColor}" />
                                     <ComboBox
                                         x:Name="cmbSwatches"
-                                        Grid.Row="1"
+                                        Grid.Row="2"
                                         Grid.Column="1"
                                         Width="100"
                                         Margin="8"
@@ -337,28 +351,28 @@
                                         Style="{StaticResource DefComboBox}" />
 
                                     <TextBlock
-                                        Grid.Row="2"
+                                        Grid.Row="3"
                                         Grid.Column="0"
                                         VerticalAlignment="Center"
                                         Style="{StaticResource ToolbarTextBlock}"
                                         Text="{x:Static resx:ResUI.TbSettingsFontSize}" />
                                     <ComboBox
                                         x:Name="cmbCurrentFontSize"
-                                        Grid.Row="2"
+                                        Grid.Row="3"
                                         Grid.Column="1"
                                         Width="100"
                                         Margin="8"
                                         Style="{StaticResource DefComboBox}" />
 
                                     <TextBlock
-                                        Grid.Row="3"
+                                        Grid.Row="4"
                                         Grid.Column="0"
                                         VerticalAlignment="Center"
                                         Style="{StaticResource ToolbarTextBlock}"
                                         Text="{x:Static resx:ResUI.TbSettingsLanguage}" />
                                     <ComboBox
                                         x:Name="cmbCurrentLanguage"
-                                        Grid.Row="3"
+                                        Grid.Row="4"
                                         Grid.Column="1"
                                         Width="100"
                                         Margin="8"
@@ -560,7 +574,7 @@
                                 <MenuItem
                                     x:Name="menuSpeedServer"
                                     Height="{StaticResource MenuItemHeight}"
-                                    Header="{x:Static resx:ResUI.menuSpeedServer}" />
+                                    Header="{x:Static resx:ResUI.menuSpeedServer}"/>
                                 <MenuItem
                                     x:Name="menuSortServerResult"
                                     Height="{StaticResource MenuItemHeight}"
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index 4f3df39e..90c70d26 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -2,6 +2,7 @@
 using Splat;
 using System.ComponentModel;
 using System.Reactive.Disposables;
+using System.Runtime.InteropServices;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Controls.Primitives;
@@ -43,7 +44,10 @@ namespace v2rayN.Views
                 lstProfiles.Drop += LstProfiles_Drop;
             }
 
-            ViewModel = new MainWindowViewModel(MainSnackbar.MessageQueue!, UpdateViewHandler);
+            var helper = new WindowInteropHelper(this);
+            var hwndSource = HwndSource.FromHwnd(helper.EnsureHandle());
+
+            ViewModel = new MainWindowViewModel(MainSnackbar.MessageQueue!, UpdateViewHandler,hwndSource);
             Locator.CurrentMutable.RegisterLazySingleton(() => ViewModel, typeof(MainWindowViewModel));
 
             for (int i = Global.MinFontSize; i <= Global.MinFontSize + 8; i++)
@@ -183,6 +187,7 @@ namespace v2rayN.Views
 
                 //UI
                 this.Bind(ViewModel, vm => vm.ColorModeDark, v => v.togDarkMode.IsChecked).DisposeWith(disposables);
+                this.Bind(ViewModel, vm => vm.FollowSystemTheme, v => v.followSystemTheme.IsChecked).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);