diff --git a/Debug.xaml.cs b/Debug.xaml.cs
index c29b2d8..25d2917 100644
--- a/Debug.xaml.cs
+++ b/Debug.xaml.cs
@@ -1,6 +1,7 @@
 using Microsoft.Win32;
 using System;
 using System.IO;
+using System.Threading;
 using System.Windows;
 
 namespace AnotherReplayReader
@@ -20,12 +21,15 @@ namespace AnotherReplayReader
             }
         }
 
-        public event Action<string> NewText;
+        public event Action<string>? NewText;
         public Proxy DebugMessage
         {
             get => new Proxy();
             set => NewText?.Invoke(value.Payload);
         }
+
+        public event Action? RequestedSave;
+        public void RequestSave() => RequestedSave?.Invoke();
     }
     /// <summary>
     /// Debug.xaml 的交互逻辑
@@ -33,35 +37,48 @@ namespace AnotherReplayReader
     public sealed partial class Debug : Window
     {
         public static readonly DebugMessageWrapper Instance = new DebugMessageWrapper();
+        private static Debug? _window = null;
 
-        public Debug()
+        public static void Initialize()
         {
-            InitializeComponent();
-            Instance.NewText += t => Dispatcher.Invoke(() => _textBox.AppendText(t));
+            Interlocked.CompareExchange(ref _window, new(), null);
+            _window.InitializeComponent();
+            Instance.NewText += _window.AppendText;
+            Instance.RequestedSave += _window.ExportInMainWindow;
         }
 
-        private void OnExport_Click(object sender, RoutedEventArgs e)
-        {
-            var saveFileDialog = new SaveFileDialog
-            {
-                Filter = "文本文档 (*.txt)|*.txt|所有文件 (*.*)|*.*",
-                OverwritePrompt = true,
-            };
+        public static new void ShowDialog() => (_window as Window)?.ShowDialog();
 
-            var result = saveFileDialog.ShowDialog(this);
-            if (result == true)
+        private Debug() { }
+
+        private void OnExport_Click(object sender, RoutedEventArgs e) => Export(this);
+
+        private void OnClear_Click(object sender, RoutedEventArgs e) => _textBox.Clear();
+
+        private void AppendText(string s) => Dispatcher.Invoke(() => _textBox.AppendText(s));
+
+        private void ExportInMainWindow() => Export(Application.Current.MainWindow);
+
+        private void Export(Window owner)
+        {
+            Dispatcher.Invoke(() =>
             {
-                using (var file = saveFileDialog.OpenFile())
-                using (var writer = new StreamWriter(file))
+                var saveFileDialog = new SaveFileDialog
                 {
-                    writer.Write(_textBox.Text);
-                }
-            }
-        }
+                    Filter = "文本文档 (*.txt)|*.txt|所有文件 (*.*)|*.*",
+                    OverwritePrompt = true,
+                };
 
-        private void OnClear_Click(object sender, RoutedEventArgs e)
-        {
-            _textBox.Clear();
+                var result = saveFileDialog.ShowDialog(owner);
+                if (result == true)
+                {
+                    using (var file = saveFileDialog.OpenFile())
+                    using (var writer = new StreamWriter(file))
+                    {
+                        writer.Write(_textBox.Text);
+                    }
+                }
+            });
         }
     }
 }
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 517fd37..2be3209 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -492,11 +492,7 @@ namespace AnotherReplayReader
             detailsWindow.ShowDialog();
         }
 
-        private void OnDebugButton_Click(object sender, RoutedEventArgs e)
-        {
-            var debug = new Debug();
-            debug.ShowDialog();
-        }
+        private void OnDebugButton_Click(object sender, RoutedEventArgs e) => Debug.ShowDialog();
 
         private void OnPlayReplayButton_Click(object sender, RoutedEventArgs e)
         {