From 97dbedfed5e255c6adb2bb077cc017181f4915f6 Mon Sep 17 00:00:00 2001
From: CJKmkp <2564608840@qq.com>
Date: Fri, 1 May 2026 09:31:10 +0800
Subject: [PATCH] improve:UI

---
 Ink Canvas/Resources/Settings.cs                 |  2 +-
 .../Windows/SettingsViews/SettingsWindow.xaml.cs | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/Ink Canvas/Resources/Settings.cs b/Ink Canvas/Resources/Settings.cs
index 004b11db..50fd6ff8 100644
--- a/Ink Canvas/Resources/Settings.cs	
+++ b/Ink Canvas/Resources/Settings.cs	
@@ -303,7 +303,7 @@ namespace Ink_Canvas
         [JsonProperty("isShowModeFingerToggleSwitch")]
         public bool IsShowModeFingerToggleSwitch { get; set; } = true;
         [JsonProperty("theme")]
-        public int Theme { get; set; }
+        public int Theme { get; set; } = 2;
 
         // 浮动栏按钮显示控制
         [JsonProperty("useLegacyFloatingBarUI")]
diff --git a/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml.cs b/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml.cs
index 32862577..2041515d 100644
--- a/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml.cs	
+++ b/Ink Canvas/Windows/SettingsViews/SettingsWindow.xaml.cs	
@@ -141,13 +141,27 @@ namespace Ink_Canvas.Windows.SettingsViews
                 {
                     0 => iNKORE.UI.WPF.Modern.ElementTheme.Light,
                     1 => iNKORE.UI.WPF.Modern.ElementTheme.Dark,
-                    _ => iNKORE.UI.WPF.Modern.ElementTheme.Default,
+                    _ => IsSystemThemeLight() ? iNKORE.UI.WPF.Modern.ElementTheme.Light : iNKORE.UI.WPF.Modern.ElementTheme.Dark,
                 };
                 iNKORE.UI.WPF.Modern.ThemeManager.SetRequestedTheme(this, elementTheme);
             }
             catch { }
         }
 
+        private static bool IsSystemThemeLight()
+        {
+            try
+            {
+                using (var themeKey = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(
+                    @"Software\Microsoft\Windows\CurrentVersion\Themes\Personalize"))
+                {
+                    if (themeKey?.GetValue("SystemUsesLightTheme") is int v) return v == 1;
+                }
+            }
+            catch { }
+            return false;
+        }
+
         #region 修复触摸屏鼠标指针消失问题
 
         [System.Runtime.InteropServices.DllImport("user32.dll")]