diff --git a/Consts/SettingsMultilangConst.zh.resx b/Consts/SettingsMultilangConst.zh.resx
index b5df3c1..4fa03e9 100644
--- a/Consts/SettingsMultilangConst.zh.resx
+++ b/Consts/SettingsMultilangConst.zh.resx
@@ -98,13 +98,13 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.3500.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <data name="ThemesButtonDarkThemeContent" xml:space="preserve">
-    <value>跟随系统</value>
+    <value>亮色模式</value>
   </data>
   <data name="ThemesButtonInheritThemeContent" xml:space="preserve">
     <value>暗色模式</value>
   </data>
   <data name="ThemesButtonLightThemeContent" xml:space="preserve">
-    <value>亮色模式</value>
+    <value>跟随系统</value>
   </data>
   <data name="ThemesButtonToolTip" xml:space="preserve">
     <value>点击切换显示主题</value>
diff --git a/Preses/GlobalPres.cs b/Preses/GlobalPres.cs
index c02deb0..e8fdf70 100644
--- a/Preses/GlobalPres.cs
+++ b/Preses/GlobalPres.cs
@@ -1,12 +1,25 @@
-using System.Windows;
+using System.Diagnostics;
+using System.Windows;
 using CommunityToolkit.Mvvm.ComponentModel;
 using MaterialDesignThemes.Wpf;
+using Sheas_Cealer.Props;
 using Sheas_Cealer.Utils;
 
 namespace Sheas_Cealer.Preses;
 
 internal partial class GlobalPres : ObservableObject
 {
+    internal GlobalPres()
+    {
+        IsLightTheme = Settings.Default.IsLightTheme switch
+        {
+            -1 => null,
+            0 => false,
+            1 => true,
+            _ => throw new UnreachableException()
+        };
+    }
+
     [ObservableProperty]
     private static bool? isLightTheme = null;
     partial void OnIsLightThemeChanged(bool? value)
@@ -19,5 +32,8 @@ internal partial class GlobalPres : ObservableObject
 
         foreach (Window currentWindow in Application.Current.Windows)
             BorderThemeSetter.SetBorderTheme(currentWindow, value);
+
+        Settings.Default.IsLightTheme = (sbyte)(value.HasValue ? value.GetValueOrDefault() ? 1 : 0 : -1);
+        Settings.Default.Save();
     }
 }
\ No newline at end of file
diff --git a/Props/Settings.Designer.cs b/Props/Settings.Designer.cs
index 4166d68..2de53ce 100644
--- a/Props/Settings.Designer.cs
+++ b/Props/Settings.Designer.cs
@@ -12,7 +12,7 @@ namespace Sheas_Cealer.Props {
     
     
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.10.0.0")]
+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.12.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
         
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
@@ -58,5 +58,17 @@ namespace Sheas_Cealer.Props {
                 this["ExtraArgs"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("-1")]
+        public sbyte IsLightTheme {
+            get {
+                return ((sbyte)(this["IsLightTheme"]));
+            }
+            set {
+                this["IsLightTheme"] = value;
+            }
+        }
     }
 }
diff --git a/Props/Settings.settings b/Props/Settings.settings
index ae75391..61b1d77 100644
--- a/Props/Settings.settings
+++ b/Props/Settings.settings
@@ -11,5 +11,8 @@
     <Setting Name="ExtraArgs" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="IsLightTheme" Type="System.SByte" Scope="User">
+      <Value Profile="(Default)">-1</Value>
+    </Setting>
   </Settings>
 </SettingsFile>
\ No newline at end of file
diff --git a/Utils/BorderThemeSetter.cs b/Utils/BorderThemeSetter.cs
index 80d7bdf..0e017df 100644
--- a/Utils/BorderThemeSetter.cs
+++ b/Utils/BorderThemeSetter.cs
@@ -16,6 +16,9 @@ internal static partial class BorderThemeSetter
 
     internal static void SetBorderTheme(Window window, bool? isLightTheme)
     {
+        if (!window.IsLoaded)
+            return;
+
         nint isDarkTheme;
         nint desktopHwnd = nint.Zero;
         nint windowHwnd = new WindowInteropHelper(window).EnsureHandle();