diff --git a/OverlayFormObj/OverlayForm.cs b/OverlayFormObj/OverlayForm.cs
index f3ac602..45946e5 100644
--- a/OverlayFormObj/OverlayForm.cs
+++ b/OverlayFormObj/OverlayForm.cs
@@ -1,6 +1,5 @@
 using System.IO;
 using System.Timers;
-using System.Diagnostics;
 using DBObj;
 using DualScreenDemo;
 namespace OverlayFormObj
@@ -1516,14 +1515,11 @@ private void DisplayArtists(List<Artist> artists, int page)//歌星點進去後
         /* 秒數偵測BUG 測試 */
         public void AddSongToPlaylist(SongData songData)
         {
-            Stopwatch stopwatch = new Stopwatch();
             try
             {
-                stopwatch.Start();
                 var filePath1 = songData.SongFilePathHost1;
                 var filePath2 = songData.SongFilePathHost2;
-                stopwatch.Stop();
-                Console.WriteLine($"[1] 檢查路徑花費: {stopwatch.ElapsedMilliseconds} ms");
+
                 
                 if (!File.Exists(filePath1) && !File.Exists(filePath2))
                 {
@@ -1532,44 +1528,26 @@ private void DisplayArtists(List<Artist> artists, int page)//歌星點進去後
                 }
                 else
                 {
-                    stopwatch.Restart();
                     var pathToPlay = File.Exists(filePath1) ? filePath1 : filePath2;
-                    stopwatch.Stop();
-                    Console.WriteLine($"[2] 確定播放路徑花費: {stopwatch.ElapsedMilliseconds} ms");
                     bool wasEmpty = PrimaryForm.userRequestedSongs.Count == 0;
 
-                    stopwatch.Restart();
                     PrimaryForm.userRequestedSongs.Add(songData);
                     PrimaryForm.playedSongsHistory.Add(songData);
                     PrimaryForm.playStates.Add(wasEmpty ? PlayState.Playing : PlayState.NotPlayed);
-                    stopwatch.Stop();
-                    Console.WriteLine($"[3] 加入播放清單花費: {stopwatch.ElapsedMilliseconds} ms");
                     // 刷新頁面
 
-                    stopwatch.Restart();
                     if(PrimaryForm.Instance.multiPagePanel.get_currentSongList() == PrimaryForm.playedSongsHistory)
                         PrimaryForm.Instance.multiPagePanel.LoadSongs(PrimaryForm.Instance.currentSongList);
-                    stopwatch.Stop();
-                    Console.WriteLine($"[4] 更新歌曲面板花費: {stopwatch.ElapsedMilliseconds} ms");
                     if (wasEmpty)
                     {
-                        stopwatch.Restart();
                         VideoPlayerForm.Instance.SetPlayingSongList(PrimaryForm.userRequestedSongs);
-                        PrimaryForm.currentSongIndexInHistory += 1;
-                        stopwatch.Stop();
-                        Console.WriteLine($"[5] 設定播放列表花費: {stopwatch.ElapsedMilliseconds} ms");
+                        PrimaryForm.currentSongIndexInHistory += 1;    
                     }
-                    stopwatch.Restart();
                     VideoPlayerForm.Instance.UpdateNextSongFromPlaylist();
                     PrimaryForm.PrintPlayingSongList();
-                    stopwatch.Stop();
-                    Console.WriteLine($"[6] 更新下一首與印出列表花費: {stopwatch.ElapsedMilliseconds} ms");
 
                     // 點播次數+1
-                    stopwatch.Restart();
                     PrimaryForm.Instance.AddSongCount(songData.SongNumber);
-                    stopwatch.Stop();
-                    Console.WriteLine($"[7] 新增點播次數花費: {stopwatch.ElapsedMilliseconds} ms");
                 }
             }
             catch (Exception ex)
diff --git a/VideoPlayerForm.cs b/VideoPlayerForm.cs
index 0f1dd95..175ed16 100644
--- a/VideoPlayerForm.cs
+++ b/VideoPlayerForm.cs
@@ -1,7 +1,6 @@
 using System.IO; // For StreamWriter
 using System.Runtime.InteropServices;
 using DirectShowLib;
-using System.Diagnostics;
 using DBObj;
 using OverlayFormObj;
 namespace DualScreenDemo
@@ -544,48 +543,33 @@ namespace DualScreenDemo
         {
             // [1] 輸出 debug 訊息，方便開發時追蹤是否有呼叫此方法
             Console.WriteLine("SetPlayingSongList called");
-            Stopwatch stopwatch = new Stopwatch();
-            stopwatch.Start();
+
             // [2] 停止當前播放，釋放資源（例如關閉影片播放器、清除緩衝）
             StopAndReleaseResources();
-            stopwatch.Stop();
-            Console.WriteLine($"[5-2]停止當前播放，釋放資源，耗時{stopwatch.ElapsedMilliseconds}ms");
+
             
             // [3] 將新的播放清單指派給 `playingSongList`
-            stopwatch.Restart();
             playingSongList = songList;
-            stopwatch.Stop();
-            Console.WriteLine($"[5-3]將新的播放清單指派，耗時{stopwatch.ElapsedMilliseconds}ms");
+
 
             // [4] 根據是否有歌，設定旗標為是否播放使用者點播清單
-            stopwatch.Restart();
             isUserPlaylistPlaying = playingSongList != null && playingSongList.Any();
-            stopwatch.Stop();
-            Console.WriteLine($"[5-4]根據是否有歌，設定旗標為是否播放使用者點播清單，耗時{stopwatch.ElapsedMilliseconds}ms");
+
 
             // [5] 強制關閉公播狀態（意即現在進入點歌模式）
-            stopwatch.Restart();
             IsPlayingPublicSong = false;
-            stopwatch.Stop();
-            Console.WriteLine($"[5-5]強制關閉公播狀態，耗時{stopwatch.ElapsedMilliseconds}ms");
+
             // [6] 若使用者點播清單有歌，就開始播放
             if (isUserPlaylistPlaying)
             {   
-                stopwatch.Restart();
                 // [6.1] 設定當前歌曲索引為 -1（意味著即將播放第一首，從 `PlayNextSong` 開始）
                 currentSongIndex = -1;
                 // [6.2] 播放下一首歌（實際會遞增 index 為 0，並播放該首歌）
                 await PlayNextSong();
-                stopwatch.Stop();
-                Console.WriteLine($"[5-6]播放下一首歌，耗時{stopwatch.ElapsedMilliseconds}ms");
             }
             else
             {
-                stopwatch.Restart();
-                // [7] 如果清單為空，回退播放預設的公播清單（通常是背景播放用）
                 await InitializeAndPlayPublicPlaylist();
-                stopwatch.Stop();
-                Console.WriteLine($"[5-7]如果清單為空，回退播放預設的公播清單，耗時{stopwatch.ElapsedMilliseconds}ms");
             }
         }