diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index ff37544..50ed552 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -76,14 +76,24 @@ namespace KTVApp
         {
             PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
         }
-
+        /// <summary>
+        /// 當使用者點擊 Rectangle 物件時會觸發此事件
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         private void Rectangle_MouseDown(object sender, MouseButtonEventArgs e)
         {
+            // 將 sender 轉換為 Rectangle 類型
             var rect = sender as Rectangle;
+
+            // 透過 DataContext 獲取關聯的 Room 物件
             var room = rect.DataContext as Room;
 
-            // Open a new window and pass the room information
+            // 根據傳入的房間資料創建新的 RoomDetailsWindow 實例
+            // 並且傳遞房間資訊 (room) 以及 TCP 服務器 (_tcpServer) 給該視窗
             var roomDetailsWindow = new RoomDetailsWindow(room, _tcpServer);
+
+            // 顯示新創建的 RoomDetailsWindow
             roomDetailsWindow.Show();
         }