improve:PPT时间胶囊

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
             {

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)