diff --git a/Ink Canvas/MainWindow_cs/MW_PPT.cs b/Ink Canvas/MainWindow_cs/MW_PPT.cs
index d2c44a8b..4886387c 100644
--- a/Ink Canvas/MainWindow_cs/MW_PPT.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_PPT.cs	
@@ -1640,7 +1640,7 @@ namespace Ink_Canvas
                 // 控制居中
                 if (!isFloatingBarFolded)
                 {
-                    await Task.Delay(100); 
+                    await Task.Delay(100);
                     ViewboxFloatingBarMarginAnimation(60);
                 }
             }