diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index 1bd1eb88..c306c685 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -342,7 +342,7 @@ namespace Ink_Canvas
         /// <summary>
         /// 根据DPI缩放因子调整TimerContainer的尺寸
         /// </summary>
-        private void AdjustTimerContainerSize()
+        public void AdjustTimerContainerSize()
         {
             try
             {
diff --git a/Ink Canvas/Windows/PPTTimeCapsule.xaml.cs b/Ink Canvas/Windows/PPTTimeCapsule.xaml.cs
index 1c206a0f..9cee0dcd 100644
--- a/Ink Canvas/Windows/PPTTimeCapsule.xaml.cs	
+++ b/Ink Canvas/Windows/PPTTimeCapsule.xaml.cs	
@@ -681,6 +681,8 @@ namespace Ink_Canvas.Windows
             var mainWindow = Application.Current.MainWindow as MainWindow;
             if (mainWindow != null)
             {
+                mainWindow.AdjustTimerContainerSize();
+                
                 // 显示主计时器窗口
                 var timerContainer = mainWindow.FindName("TimerContainer") as FrameworkElement;
                 if (timerContainer != null)