diff --git a/ModeSwitch.cs b/ModeSwitch.cs
new file mode 100644
index 0000000..d8504da
--- /dev/null
+++ b/ModeSwitch.cs
@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Debug;
+
+public class ModeSwitch
+{
+    public event Action<int>? Enter;
+    private readonly string[] str = ["退出"];
+    private readonly int mode = 0;
+    public ModeSwitch(string title, string[] a, Action<int> Enter)
+    {
+        this.Enter = Enter;
+        str = a;
+        Console.WriteLine(title);
+        for (int i = 0; i < str.Length; i++)
+        {
+            Console.WriteLine($"{i}.{str[i]}");
+
+        }
+        do
+        {
+            Console.SetCursorPosition(CalculateActualLength($"{mode}.{str[mode]}") + 1, mode + 1);
+            Console.Write('>');
+            var key = Console.ReadKey(true);
+            Console.SetCursorPosition(CalculateActualLength($"{mode}.{str[mode]}") + 1, mode + 1);
+            Console.Write(' ');
+            if (key.Key >= ConsoleKey.D0 && key.Key <= ConsoleKey.D9)
+            {
+                int v1 = int.Parse(key.KeyChar.ToString());
+                if (v1 >= 0 && v1 < str.Length)
+                    mode = v1;
+            }
+            else
+                switch (key.Key)
+                {
+                    case ConsoleKey.UpArrow:
+                        mode--;
+                        break;
+                    case ConsoleKey.DownArrow:
+                        mode++;
+                        break;
+                    case ConsoleKey.Enter:
+                        Enter?.Invoke(mode);
+                        return;
+                    default:
+                        break;
+                }
+            mode = int.Max(0, int.Min(str.Length - 1, mode));
+        } while (true);
+
+        //Console.CursorVisible = false;
+    }
+    private static int CalculateActualLength(string text)
+    {
+        Encoding encoding = Encoding.UTF8;
+        int length = 0;
+        foreach (char c in text)
+        {
+            byte[] bytes = encoding.GetBytes(c.ToString());
+            if (bytes.Length > 1) // 汉字或宽字符
+                length += 2;
+            else
+                length += 1;
+        }
+        return length;
+    }
+
+    public static void New(string title, string[] a, Action<int> Enter)
+    {
+        _ = new ModeSwitch(title, a, Enter);
+    }
+
+
+
+
+
+}
diff --git a/ModelingMusic/Music.cs b/ModelingMusic/Music.cs
index 39d2b65..223663c 100644
--- a/ModelingMusic/Music.cs
+++ b/ModelingMusic/Music.cs
@@ -11,53 +11,12 @@ public class Music
     public Music()
     {
         Console.Clear();
-        Program.printfLine("模拟音游 1.0 by ");
-        string[] str = ["0 退出", "1.启动", "2.测试下落", "3.指定字符串", "4.随机指定字符串下落", "5.扬声器节奏"];
-        // Program.printfLine("1.启动 2.测试下落 3.指定字符串 4.随机指定字符串下落 5.扬声器节奏 0.退出");
-        foreach (var aa in str)
-        {
-            Program.printfLine(aa);
-        }
-        Console.SetCursorPosition(0, mode + 1);
-        do
-        {
-            var v = Console.ReadKey(true);
-            // 检查是否为数字
-            if (v.Key >= ConsoleKey.D0 && v.Key <= ConsoleKey.D9)
-            {
-                int v1 = int.Parse(v.KeyChar.ToString());
-                if (v1 >= 0 && v1 < str.Length)
-                    mode = v1;
-            }
-            else
-            {
-                switch (v.Key)
-                {
-                    case ConsoleKey.UpArrow:
-                        mode = mode == 0 ? mode : mode - 1;
-                        break;
-                    case ConsoleKey.DownArrow:
-                        mode = mode == str.Length - 1 ? mode : mode + 1;
-                        break;
-                    case ConsoleKey.Enter:
-                        if (mode == 0)
-                        {
-                            //退出程序
-                            Environment.Exit(0);
-                            return;
-                        }
-                        goto Start;
-                        break;
-                }
-            }
-            // Console.WriteLine("无效输入，请确保您输入的是一个数字（0-9）。");
-            Console.SetCursorPosition(0, mode + 1);
-
-        } while (true);
-    Start:
+        string[] str = ["退出", "启动", "测试下落", "指定字符串", "随机指定字符串下落", "扬声器节奏"];
+        ModeSwitch.New("模拟音游 1.0 by ", str, (a) =>
         {
+            mode = a;
             Init().GetAwaiter().GetResult(); // 启动
-        }
+        });
     }
 
     private async Task Init()
diff --git a/ModelingMusic/MusicDebug.cs b/ModelingMusic/MusicDebug.cs
index 7f2922b..b19d38b 100644
--- a/ModelingMusic/MusicDebug.cs
+++ b/ModelingMusic/MusicDebug.cs
@@ -117,7 +117,6 @@ public class MusicDebug
             // Console.WriteLine("RMS Volume: " + rmsVolume);
             DrawVolumeBar(rmsVolume);
             Thread.Sleep(100);
-            // Thread.Sleep(1000);
         };
         cap.StartRecording();
         // new Thread(() =>
diff --git a/Program.cs b/Program.cs
index e8557b3..7d7134a 100644
--- a/Program.cs
+++ b/Program.cs
@@ -49,47 +49,11 @@ public class Program
         // new Debug.MinLong.KongLong();
         // return;
         Console.Clear();
-        int y = 0;
-        printfLine("请选择你要执行的操作:");
-        string[] str = ["0 退出", "1 抽卡", "2 铁锈位置搜索引擎", "3 音乐调试", "4 小龙快跑"];
-        for (int i = 0; i < str.Length; i++)
+        Console.CursorVisible = false;
+        string[] str = ["退出", "抽卡", "铁锈位置搜索引擎", "音乐调试", "小龙快跑"];
+        var modeSwitch = new ModeSwitch("请选择你要执行的操作:", str, (a) =>
         {
-            printfLine(str[i]);
-        }
-        Console.SetCursorPosition(0, y + 1);
-        do
-        {
-            var v = Console.ReadKey(true);
-            if (v.Key >= ConsoleKey.D0 && v.Key <= ConsoleKey.D9)
-            {
-                int v1 = int.Parse(v.KeyChar.ToString());
-                if (v1 >= 0 && v1 < str.Length)
-                {
-                    y = v1;
-                }
-            }
-            else
-                switch (v.Key)
-                {
-                    case ConsoleKey.UpArrow:
-                        //设置光标位置
-                        y = y == 0 ? y : y - 1;
-                        break;
-                    case ConsoleKey.DownArrow:
-                        y = y + 1 == str.Length ? y : y + 1;
-                        break;
-                    case ConsoleKey.Enter:
-                        goto Start;
-                }
-            // Console.WriteLine(v.Key);
-            Console.SetCursorPosition(0, y + 1);
-            // {
-
-        } while (true);
-    // Console.WriteLine("请选择你要执行的操作:");
-    Start:
-        {
-            switch (y)
+            switch (a)
             {
                 case 0:
                     Environment.Exit(0);
@@ -102,12 +66,12 @@ public class Program
                     break;
                 case 3:
                     _ = new Music();
-                    return;
+                    break;
                 default:
                     printfLine("还没有这个功能");
                     break;
             }
-        }
+        });
     }
 
     public static void KeyEndThread()