diff --git a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml
index 738b12eb..fd4a0243 100644
--- a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml	
+++ b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml	
@@ -5,18 +5,11 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Ink_Canvas"
         xmlns:ui="http://schemas.inkore.net/lib/ui/wpf/modern"
-        ui:ThemeManager.RequestedTheme="Light" Topmost="True" Background="Transparent"
+        Topmost="True" Background="Transparent"
         mc:Ignorable="d" WindowStyle="None" AllowsTransparency="True"
         Loaded="Window_Loaded" Closing="Window_Closing" WindowStartupLocation="CenterScreen"
         Title="Ink Canvas 画板 - 计时器" Height="400" Width="600">
-    <Window.Resources>
-        <ResourceDictionary>
-            <ResourceDictionary.MergedDictionaries>
-                <ResourceDictionary Source="../Resources/Styles/Light.xaml"/>
-                <ResourceDictionary Source="../Resources/Styles/Dark.xaml"/>
-            </ResourceDictionary.MergedDictionaries>
-        </ResourceDictionary>
-    </Window.Resources>
+
     <Border Background="{DynamicResource SeewoTimerWindowBackground}" CornerRadius="15" BorderThickness="1" BorderBrush="{DynamicResource SeewoTimerWindowBorderBrush}" Margin="10">
         <Grid>
             <!-- 主要内容区域 -->
diff --git a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs
index de7d6fe2..e719f753 100644
--- a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs	
+++ b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs	
@@ -91,16 +91,10 @@ namespace Ink_Canvas
         {
             try
             {
-                // 根据主题设置数字显示颜色
-                var digitForeground = Application.Current.FindResource("SeewoTimerWindowDigitForeground") as SolidColorBrush;
-                if (digitForeground != null)
+                // 应用主题设置
+                if (MainWindow.Settings != null)
                 {
-                    Digit1Display.Foreground = digitForeground;
-                    Digit2Display.Foreground = digitForeground;
-                    Digit3Display.Foreground = digitForeground;
-                    Digit4Display.Foreground = digitForeground;
-                    Digit5Display.Foreground = digitForeground;
-                    Digit6Display.Foreground = digitForeground;
+                    ApplyTheme(MainWindow.Settings);
                 }
             }
             catch (Exception ex)
@@ -109,6 +103,62 @@ namespace Ink_Canvas
             }
         }
 
+        private void ApplyTheme(Settings settings)
+        {
+            try
+            {
+                if (settings.Appearance.Theme == 0) // 浅色主题
+                {
+                    iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Light);
+                }
+                else if (settings.Appearance.Theme == 1) // 深色主题
+                {
+                    iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Dark);
+                }
+                else // 跟随系统主题
+                {
+                    bool isSystemLight = IsSystemThemeLight();
+                    if (isSystemLight)
+                    {
+                        iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Light);
+                    }
+                    else
+                    {
+                        iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, iNKORE.UI.WPF.Modern.ElementTheme.Dark);
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"应用仿希沃倒计时窗口主题出错: {ex.Message}", LogHelper.LogType.Error);
+            }
+        }
+
+        private bool IsSystemThemeLight()
+        {
+            var light = false;
+            try
+            {
+                var registryKey = Microsoft.Win32.Registry.CurrentUser;
+                var themeKey = registryKey.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize");
+                if (themeKey != null)
+                {
+                    var value = themeKey.GetValue("AppsUseLightTheme");
+                    if (value != null)
+                    {
+                        light = (int)value == 1;
+                    }
+                    themeKey.Close();
+                }
+            }
+            catch
+            {
+                // 如果读取注册表失败，默认为浅色主题
+                light = true;
+            }
+            return light;
+        }
+
         private void UpdateDigitDisplays()
         {
             Digit1Display.Text = (hour / 10).ToString();
diff --git a/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache b/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache
index c8c2dfbd..57d842b8 100644
Binary files a/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache and b/Ink Canvas/obj/Debug/net472/InkCanvasForClass.csproj.AssemblyReference.cache differ