diff --git a/CommandHandler.cs b/CommandHandler.cs
index 34c992d..e69dcc9 100644
--- a/CommandHandler.cs
+++ b/CommandHandler.cs
@@ -41,6 +41,9 @@ namespace DualScreenDemo
                     break;
                 case "A263A4":
                     ClearDisplay();
+                    _wrongInputCountfor62 = 0; // 重置計數器
+                    _wrongInputCountfor61 = 0; // 重置計數器
+                    _indataHistory.Clear(); // 清空歷史紀錄
                     break;
                 case "A268A4":
                     OverlayForm.MainForm.currentPage = 1;
@@ -343,11 +346,13 @@ namespace DualScreenDemo
                             _wrongInputCountfor61++;
                             if(_wrongInputCountfor61 <= MaxWrongLimit)
                             {
-                                OverlayForm.MainForm.displayLabel.Text += "#";
+                                string old ="";
+                                OverlayForm.MainForm.displayLabel.Text = check_control(old);
                             }
                             else
                             {
                                 OverlayForm.MainForm.displayLabel.Text = "輸入錯誤!!!";
+                                _indataHistory.Clear(); // 清空歷史紀錄
                                 _wrongInputCountfor61 = 0; // 重置計數器
                             }
                             OverlayForm.MainForm.nextSongLabel.Visible = false;
@@ -371,11 +376,13 @@ namespace DualScreenDemo
                         _wrongInputCountfor61++;
                         if(_wrongInputCountfor61 <= MaxWrongLimit)
                         {
-                            OverlayForm.MainForm.displayLabel.Text += "#";
+                            string old ="";
+                            OverlayForm.MainForm.displayLabel.Text = check_control(old);
                         }
                         else
                         {
                             OverlayForm.MainForm.displayLabel.Text = "輸入錯誤!!!";
+                            _indataHistory.Clear(); // 清空歷史紀錄
                             _wrongInputCountfor61 = 0; // 重置計數器
                         }
                         OverlayForm.MainForm.nextSongLabel.Visible = false;
@@ -385,6 +392,16 @@ namespace DualScreenDemo
             }
         }
 
+        private string check_control(string old){
+            foreach(string item in _indataHistory)
+                            {
+                                if(item == "A261A4")
+                                    old += "#";
+                                else if(item == "A262A4")
+                                    old += "*";
+                            }
+            return old;
+        }
         
         private void HandleInputB()
         {
@@ -433,11 +450,13 @@ namespace DualScreenDemo
                             _wrongInputCountfor62++;
                             if(_wrongInputCountfor62 <= MaxWrongLimit)
                             {
-                                OverlayForm.MainForm.displayLabel.Text += "*";
+                                string old ="";
+                                OverlayForm.MainForm.displayLabel.Text = check_control(old);
                             }
                             else
                             {
                                 OverlayForm.MainForm.displayLabel.Text = "輸入錯誤!!!";
+                                _indataHistory.Clear(); // 清空歷史紀錄
                                 _wrongInputCountfor62 = 0; // 重置計數器
                             }
                             OverlayForm.MainForm.nextSongLabel.Visible = false;
@@ -459,11 +478,13 @@ namespace DualScreenDemo
                         _wrongInputCountfor62++;
                         if(_wrongInputCountfor62 <= MaxWrongLimit)
                         {
-                            OverlayForm.MainForm.displayLabel.Text += "*";
+                            string old ="";
+                            OverlayForm.MainForm.displayLabel.Text = check_control(old);
                         }
                         else
                         {
                             OverlayForm.MainForm.displayLabel.Text = "輸入錯誤!!!";
+                            _indataHistory.Clear(); // 清空歷史紀錄
                             _wrongInputCountfor62 = 0; // 重置計數器
                         }
                         OverlayForm.MainForm.nextSongLabel.Visible = false;
@@ -475,9 +496,8 @@ namespace DualScreenDemo
 
         private static void ClearDisplay()
         {
-            
             OverlayForm.displayTimer.Stop();
-            
+
             
             if (OverlayForm.MainForm.InvokeRequired)
             {
diff --git a/bin/WelcomeMessage.txt b/bin/WelcomeMessage.txt
index 016907b..3ab46c9 100644
--- a/bin/WelcomeMessage.txt
+++ b/bin/WelcomeMessage.txt
@@ -1 +1 @@
-歡迎使用超級巨星歡唱網路版系統，與你共度美好時光。
\ No newline at end of file
+歡迎使用網路版系統，與你共度美好時光。
\ No newline at end of file