diff --git a/Ink Canvas/Resources/Settings.cs b/Ink Canvas/Resources/Settings.cs
index 86f60ff7..6010ccbd 100644
--- a/Ink Canvas/Resources/Settings.cs	
+++ b/Ink Canvas/Resources/Settings.cs	
@@ -56,6 +56,9 @@ public class Settings
         [JsonProperty("notification")]
         public NotificationSettings Notification { get; set; } = new NotificationSettings();
 
+        [JsonProperty("timer")]
+        public TimerSettings Timer { get; set; } = new TimerSettings();
+
         [JsonProperty("toolbar")]
         public ToolbarLayoutSettings Toolbar { get; set; } = new ToolbarLayoutSettings();
 
@@ -300,6 +303,12 @@ public class NotificationSettings
         public bool IsDictationDoNotDisturbInWhiteboardEnabled { get; set; } = true;
     }
 
+    public class TimerSettings
+    {
+        [JsonProperty("isOpenTransparency")]
+        public bool IsOpenTransparency { get; set; } = true;
+    }
+
     public class Security
     {
         [JsonProperty("passwordEnabled")]
diff --git a/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml b/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml
index 0f5cee48..2c1e001e 100644
--- a/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml	
+++ b/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml	
@@ -32,6 +32,7 @@
                     Background="Transparent" BorderThickness="0"
                     Click="CloseButton_Click"
                     Cursor="Hand" Opacity="0.7">
+                
                 <Button.Template>
                     <ControlTemplate TargetType="Button">
                         <Border Background="{TemplateBinding Background}" CornerRadius="12">
@@ -50,6 +51,32 @@
                            HorizontalAlignment="Center" VerticalAlignment="Center"/>
             </Button>
 
+            <!-- ToggleTransparency button -->
+            <Button x:Name="ToggleTransparency"
+                    Width="24" Height="24"
+                    HorizontalAlignment="Right" VerticalAlignment="Bottom"
+                    Margin="0,6,10,0"
+                    Background="Transparent" BorderThickness="0"
+                    Click="ToggleTransparency_Click"
+                    Cursor="Hand" Opacity="0.7">
+                <Button.Template>
+                    <ControlTemplate TargetType="Button">
+                        <Border Background="{TemplateBinding Background}" CornerRadius="12">
+                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                        </Border>
+                        <ControlTemplate.Triggers>
+                            <Trigger Property="IsMouseOver" Value="True">
+                                <Setter Property="Background" Value="#E81123"/>
+                                <Setter Property="Foreground" Value="White"/>
+                            </Trigger>
+                        </ControlTemplate.Triggers>
+                    </ControlTemplate>
+                </Button.Template>
+                <TextBlock Text="💡" FontSize="14"
+                           Foreground="{DynamicResource {x:Static ui:ThemeKeys.TextFillColorPrimaryBrushKey}}"
+                           HorizontalAlignment="Center" VerticalAlignment="Center"/>
+            </Button>
+
             <!-- Digits -->
             <StackPanel HorizontalAlignment="Center" VerticalAlignment="Center" Orientation="Horizontal">
                 <Path x:Name="MinHour1Display" Data="{StaticResource Digit0}" Fill="{DynamicResource NewTimerWindowDigitForeground}" Width="40" Height="40" Stretch="Uniform" Margin="0,0,6,0"/>
diff --git a/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml.cs b/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml.cs
index 884d0ee4..1e957521 100644
--- a/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml.cs	
+++ b/Ink Canvas/Windows/NewStyleMinimizedTimerWindow.xaml.cs	
@@ -1,3 +1,5 @@
+using Ink_Canvas.Windows.SettingsViews.Helpers;
+using iNKORE.UI.WPF.Modern;
 using System;
 using System.Timers;
 using System.Windows;
@@ -30,6 +32,12 @@ public NewStyleMinimizedTimerWindow(
             Action stopTimerCallback)
         {
             InitializeComponent();
+            if (!SettingsManager.Settings.Timer.IsOpenTransparency)
+            {
+                MainBorder.Background = new SolidColorBrush(
+                    Color.FromArgb(255, 249, 249, 249)
+                );
+            }
             _getRemainingTime = remainingTime;
             _shouldHide = shouldHide;
             _restoreCallback = restoreCallback;
@@ -152,5 +160,23 @@ private void CloseButton_Click(object sender, RoutedEventArgs e)
             _stopTimerCallback?.Invoke();
             Close();
         }
+
+        private void ToggleTransparency_Click(object sender, RoutedEventArgs e)
+        {
+            if(SettingsManager.Settings.Timer.IsOpenTransparency)
+            {
+                MainBorder.Background = new SolidColorBrush(
+                    Color.FromArgb(255, 249, 249, 249)//完全不透明
+                    );
+                SettingsManager.Settings.Timer.IsOpenTransparency = false;
+                SettingsManager.SaveSettingsToFile();
+            }
+            else
+            {
+                MainBorder.Background = (Brush)FindResource(ThemeKeys.CardBackgroundFillColorDefaultBrushKey);//还原
+                SettingsManager.Settings.Timer.IsOpenTransparency = true;
+                SettingsManager.SaveSettingsToFile();
+            }
+        }
     }
 }