diff --git a/HttpServer.cs b/HttpServer.cs
index 4f11857..4f20c79 100644
--- a/HttpServer.cs
+++ b/HttpServer.cs
@@ -39,7 +39,6 @@ namespace DualScreenDemo
         private static CancellationTokenSource _cts;
         private static Task _serverTask;
         private static string _baseDirectory = @"themes\superstar\_www"; // 根據實際情況設定
-        private static SongListManager _songListManager;
         private static TaskCompletionSource<string> _qrReadyTcs;
          
         /*
@@ -139,7 +138,7 @@ namespace DualScreenDemo
         */
         public static async Task StartServer(string baseDirectory, int port, SongListManager manager, CancellationToken token)
         {
-            _songListManager = manager;
+            songListManager = manager;
             string randomFolderName = CreateRandomFolderAndRedirectHTML(baseDirectory);
             randomFolderPath = randomFolderName;
             Console.WriteLine("測試" + randomFolderPath);
@@ -223,7 +222,7 @@ namespace DualScreenDemo
             
             // ✅ 等 QR code 跑完
             _qrReadyTcs = new TaskCompletionSource<string>();
-            _serverTask = StartServer(_baseDirectory, _port, _songListManager, _cts.Token);
+            _serverTask = StartServer(_baseDirectory, _port, songListManager, _cts.Token);
             string readyFolder = await _qrReadyTcs.Task;
 
             // ✅ 等 QR Code 圖片準備好之後再處理 UI 更新