diff --git a/DownKyi.Core/Settings/Models/WindowSettings.cs b/DownKyi.Core/Settings/Models/WindowSettings.cs
index a2e5185..82c61c9 100644
--- a/DownKyi.Core/Settings/Models/WindowSettings.cs
+++ b/DownKyi.Core/Settings/Models/WindowSettings.cs
@@ -6,4 +6,15 @@ public class WindowSettings
     public double Height { get; set; } = 750; // 默认高度
     public double X { get; set; } = double.NaN; // 默认位置未设置
     public double Y { get; set; } = double.NaN; // 默认位置未设置
+
+    public WindowSettings Clone()
+    {
+        return new WindowSettings
+        {
+            Width = Width,
+            Height = Height,
+            X = X,
+            Y = Y
+        };
+    }
 }
\ No newline at end of file
diff --git a/DownKyi/Views/MainWindow.axaml.cs b/DownKyi/Views/MainWindow.axaml.cs
index 595cd20..e353d5d 100644
--- a/DownKyi/Views/MainWindow.axaml.cs
+++ b/DownKyi/Views/MainWindow.axaml.cs
@@ -7,12 +7,12 @@ namespace DownKyi.Views;
 
 public partial class MainWindow : Window
 {
-    private readonly WindowSettings _windowSettings;
+    private WindowSettings _windowSettings;
 
     public MainWindow()
     {
         InitializeComponent();
-        _windowSettings = SettingsManager.GetInstance().GetWindowSettings();
+        _windowSettings = SettingsManager.GetInstance().GetWindowSettings().Clone();
         ApplyWindowSettings();
     }