改了一亿个东西，修了一亿个 BUG

App.xaml.cs

@@ -1,8 +1,5 @@
 using System;
-using System.Collections.Generic;
-using System.Configuration;
-using System.Data;
-using System.Linq;
+using System.Threading;
 using System.Windows;
 
 namespace AnotherReplayReader
@@ -12,5 +9,25 @@ namespace AnotherReplayReader
     /// </summary>
     public partial class App : Application
     {
+        private int _isInException = 0;
+        public App()
+        {
+            AppDomain.CurrentDomain.UnhandledException += (sender, eventArgs) =>
+            {
+                if (Interlocked.Increment(ref _isInException) > 1)
+                {
+                    return;
+                }
+                Dispatcher.Invoke(() =>
+                {
+                    const string message = "哎呀呀，出现了一些无法处理的问题，只能退出了。要不要尝试保存一下日志文件呢？";
+                    var choice = MessageBox.Show($"{message}\r\n{eventArgs.ExceptionObject}", "自动录像机", MessageBoxButton.YesNo);
+                    if (choice == MessageBoxResult.Yes)
+                    {
+                        Debug.Instance.RequestSave();
+                    }
+                });
+            };
+        }
     }
 }