diff --git a/v2rayN/v2rayN/Converters/MaterialDesignFonts.cs b/v2rayN/v2rayN/Converters/MaterialDesignFonts.cs
index f836662b..cb346795 100644
--- a/v2rayN/v2rayN/Converters/MaterialDesignFonts.cs
+++ b/v2rayN/v2rayN/Converters/MaterialDesignFonts.cs
@@ -1,5 +1,4 @@
-using System.IO;
-using System.Windows.Media;
+using System.Windows.Media;
 using v2rayN.Handler;
 
 namespace v2rayN.Converters
diff --git a/v2rayN/v2rayN/Global.cs b/v2rayN/v2rayN/Global.cs
index c29f1dd5..7cbdb836 100644
--- a/v2rayN/v2rayN/Global.cs
+++ b/v2rayN/v2rayN/Global.cs
@@ -77,6 +77,7 @@
         public const string CommandClearMsg = "CommandClearMsg";
         public const string DelayUnit = "";
         public const string SpeedUnit = "";
+        public const int MinFontSize = 10;
 
         public static readonly List<string> IEProxyProtocols = new List<string> {
                         "{ip}:{http_port}",
diff --git a/v2rayN/v2rayN/Mode/ConfigItems.cs b/v2rayN/v2rayN/Mode/ConfigItems.cs
index a6f1af79..f38aef19 100644
--- a/v2rayN/v2rayN/Mode/ConfigItems.cs
+++ b/v2rayN/v2rayN/Mode/ConfigItems.cs
@@ -63,6 +63,7 @@ namespace v2rayN.Mode
         public string? colorPrimaryName { get; set; }
         public string currentLanguage { get; set; }
         public string currentFontFamily { get; set; }
+        public int currentFontSize { get; set; }
         public bool enableDragDropSort { get; set; }
         public bool doubleClick2Activate { get; set; }
         public bool autoHideStartup { get; set; } = true;
diff --git a/v2rayN/v2rayN/Mode/VmessQRCode.cs b/v2rayN/v2rayN/Mode/VmessQRCode.cs
index 6b6dc082..d5f62c7d 100644
--- a/v2rayN/v2rayN/Mode/VmessQRCode.cs
+++ b/v2rayN/v2rayN/Mode/VmessQRCode.cs
@@ -67,6 +67,6 @@
         /// TLS fingerprint
         /// </summary>
         public string fp { get; set; } = string.Empty;
-        
+
     }
 }
diff --git a/v2rayN/v2rayN/Resx/ResUI.Designer.cs b/v2rayN/v2rayN/Resx/ResUI.Designer.cs
index 302ae041..0bceb619 100644
--- a/v2rayN/v2rayN/Resx/ResUI.Designer.cs
+++ b/v2rayN/v2rayN/Resx/ResUI.Designer.cs
@@ -2509,6 +2509,15 @@ namespace v2rayN.Resx {
             }
         }
         
+        /// <summary>
+        ///   查找类似 FontSize 的本地化字符串。
+        /// </summary>
+        public static string TbSettingsFontSize {
+            get {
+                return ResourceManager.GetString("TbSettingsFontSize", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///   查找类似 Http Port 的本地化字符串。
         /// </summary>
@@ -2546,7 +2555,7 @@ namespace v2rayN.Resx {
         }
         
         /// <summary>
-        ///   查找类似 Language 的本地化字符串。
+        ///   查找类似 Language(Restart) 的本地化字符串。
         /// </summary>
         public static string TbSettingsLanguage {
             get {
diff --git a/v2rayN/v2rayN/Resx/ResUI.resx b/v2rayN/v2rayN/Resx/ResUI.resx
index 0ab2dc69..f1a8d7d7 100644
--- a/v2rayN/v2rayN/Resx/ResUI.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.resx
@@ -548,7 +548,7 @@
     <value>Dark Mode</value>
   </data>
   <data name="TbSettingsLanguage" xml:space="preserve">
-    <value>Language</value>
+    <value>Language(Restart)</value>
   </data>
   <data name="menuAddServerViaClipboard" xml:space="preserve">
     <value>Import bulk URL from clipboard (Ctrl+V)</value>
@@ -1105,4 +1105,7 @@
   <data name="TbSettingsStartBootTip" xml:space="preserve">
     <value>Set this with admin privileges, get admin privileges after startup</value>
   </data>
+  <data name="TbSettingsFontSize" xml:space="preserve">
+    <value>FontSize</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx b/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
index f28f1246..43468197 100644
--- a/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
+++ b/v2rayN/v2rayN/Resx/ResUI.zh-Hans.resx
@@ -548,7 +548,7 @@
     <value>暗黑模式</value>
   </data>
   <data name="TbSettingsLanguage" xml:space="preserve">
-    <value>语言</value>
+    <value>语言(重启)</value>
   </data>
   <data name="menuAddServerViaClipboard" xml:space="preserve">
     <value>从剪贴板导入批量URL (Ctrl+V)</value>
@@ -1105,4 +1105,7 @@
   <data name="TbSettingsStartBootTip" xml:space="preserve">
     <value>以管理员权限设置此项，在启动后获得管理员权限</value>
   </data>
+  <data name="TbSettingsFontSize" xml:space="preserve">
+    <value>字体大小</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
index f8dd66f6..58cc3650 100644
--- a/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
+++ b/v2rayN/v2rayN/ViewModels/MainWindowViewModel.cs
@@ -189,6 +189,8 @@ namespace v2rayN.ViewModels
         public IObservableCollection<Swatch> Swatches => _swatches;
         [Reactive]
         public Swatch SelectedSwatch { get; set; }
+        [Reactive]
+        public int CurrentFontSize { get; set; }
 
         [Reactive]
         public string CurrentLanguage { get; set; }
@@ -259,7 +261,7 @@ namespace v2rayN.ViewModels
               x => x.EnableTun,
                y => y == true)
                   .Subscribe(c => DoEnableTun(c));
-           
+
             BindingUI();
             RestoreUI();
             AutoHideStartup();
@@ -1576,6 +1578,7 @@ namespace v2rayN.ViewModels
             {
                 SelectedSwatch = _swatches.FirstOrDefault(t => t.Name == _config.uiItem.colorPrimaryName);
             }
+            CurrentFontSize = _config.uiItem.currentFontSize;
             CurrentLanguage = _config.uiItem.currentLanguage;
 
             this.WhenAnyValue(
@@ -1611,6 +1614,23 @@ namespace v2rayN.ViewModels
                      }
                  });
 
+            this.WhenAnyValue(
+               x => x.CurrentFontSize,
+               y => y > 0)
+                  .Subscribe(c =>
+                  {
+                      if (CurrentFontSize >= Global.MinFontSize)
+                      {
+                          _config.uiItem.currentFontSize = CurrentFontSize;
+                          double size = (long)CurrentFontSize;
+                          Application.Current.Resources["StdFontSize"] = size;
+                          Application.Current.Resources["StdFontSize1"] = size + 2;
+                          Application.Current.Resources["StdFontSize2"] = size + 4;
+
+                          ConfigHandler.SaveConfig(ref _config);
+                      }
+                  });
+
             this.WhenAnyValue(
              x => x.CurrentLanguage,
              y => y != null && !y.IsNullOrEmpty())
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml b/v2rayN/v2rayN/Views/MainWindow.xaml
index 712233fe..36724273 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml
@@ -261,37 +261,74 @@
                             HorizontalAlignment="Right"
                             Style="{StaticResource MaterialDesignToolForegroundPopupBox}">
                             <StackPanel Margin="8">
-                                <StackPanel Orientation="Horizontal">
+                                <Grid>
+                                    <Grid.RowDefinitions>
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="Auto" />
+                                    </Grid.RowDefinitions>
+                                    <Grid.ColumnDefinitions>
+                                        <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" Margin="8" />
-                                </StackPanel>
-                                <StackPanel Orientation="Horizontal">
+                                    <ToggleButton
+                                        x:Name="togDarkMode"
+                                        Grid.Row="0"
+                                        Grid.Column="1"
+                                        Margin="8" />
+
                                     <TextBlock
+                                        Grid.Row="1"
+                                        Grid.Column="0"
                                         VerticalAlignment="Center"
                                         Style="{StaticResource ToolbarTextBlock}"
                                         Text="{x:Static resx:ResUI.TbSettingsColor}" />
                                     <ComboBox
                                         x:Name="cmbSwatches"
+                                        Grid.Row="1"
+                                        Grid.Column="1"
                                         Width="100"
                                         Margin="8"
                                         DisplayMemberPath="Name"
                                         Style="{StaticResource DefComboBox}" />
-                                </StackPanel>
-                                <StackPanel Orientation="Horizontal">
+
                                     <TextBlock
+                                        Grid.Row="2"
+                                        Grid.Column="0"
+                                        VerticalAlignment="Center"
+                                        Style="{StaticResource ToolbarTextBlock}"
+                                        Text="{x:Static resx:ResUI.TbSettingsFontSize}" />
+                                    <ComboBox
+                                        x:Name="cmbCurrentFontSize"
+                                        Grid.Row="2"
+                                        Grid.Column="1"
+                                        Width="100"
+                                        Margin="8"
+                                        Style="{StaticResource DefComboBox}" />
+
+                                    <TextBlock
+                                        Grid.Row="3"
+                                        Grid.Column="0"
                                         VerticalAlignment="Center"
                                         Style="{StaticResource ToolbarTextBlock}"
                                         Text="{x:Static resx:ResUI.TbSettingsLanguage}" />
                                     <ComboBox
                                         x:Name="cmbCurrentLanguage"
+                                        Grid.Row="3"
+                                        Grid.Column="1"
                                         Width="100"
                                         Margin="8"
                                         materialDesign:HintAssist.Hint="Language"
                                         Style="{StaticResource DefComboBox}" />
-                                </StackPanel>
+
+                                </Grid>
                             </StackPanel>
                         </materialDesign:PopupBox>
                     </ToolBar>
diff --git a/v2rayN/v2rayN/Views/MainWindow.xaml.cs b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
index a6dc9db2..f84eac79 100644
--- a/v2rayN/v2rayN/Views/MainWindow.xaml.cs
+++ b/v2rayN/v2rayN/Views/MainWindow.xaml.cs
@@ -45,6 +45,11 @@ namespace v2rayN.Views
             ViewModel = new MainWindowViewModel(MainSnackbar.MessageQueue!, UpdateViewHandler);
             Locator.CurrentMutable.RegisterLazySingleton(() => ViewModel, typeof(MainWindowViewModel));
 
+            for (int i = Global.MinFontSize; i <= Global.MinFontSize + 8; i++)
+            {
+                cmbCurrentFontSize.Items.Add(i.ToString());
+            }
+
             Global.Languages.ForEach(it =>
             {
                 cmbCurrentLanguage.Items.Add(it);
@@ -173,6 +178,7 @@ namespace v2rayN.Views
                 this.Bind(ViewModel, vm => vm.ColorModeDark, v => v.togDarkMode.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);
                 this.Bind(ViewModel, vm => vm.CurrentLanguage, v => v.cmbCurrentLanguage.Text).DisposeWith(disposables);
             });