diff --git a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml
index 02f07296..d4495cde 100644
--- a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml	
+++ b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml	
@@ -399,7 +399,7 @@
                                                 <!-- 背景指示器 -->
                                                 <Border x:Name="SegmentedIndicator" 
                                                         Background="{DynamicResource SeewoTimerWindowPrimaryButtonBackground}" 
-                                                        CornerRadius="6,0,0,6" 
+                                                        CornerRadius="7,0,0,7" 
                                                         Width="120" Height="38" 
                                                         HorizontalAlignment="Left" 
                                                         VerticalAlignment="Center" 
diff --git a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs
index 133c5dc4..cc1c10ec 100644
--- a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs	
+++ b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml.cs	
@@ -587,7 +587,7 @@ namespace Ink_Canvas
             if (indicator != null)
             {
                 // 设置左侧圆角
-                indicator.CornerRadius = new CornerRadius(6, 0, 0, 6);
+                indicator.CornerRadius = new CornerRadius(7, 0, 0, 7);
                 var animation = new System.Windows.Media.Animation.ThicknessAnimation(
                     new Thickness(0, 0, 0, 0), 
                     TimeSpan.FromMilliseconds(200));
@@ -621,7 +621,7 @@ namespace Ink_Canvas
             if (indicator != null)
             {
                 // 设置右侧圆角
-                indicator.CornerRadius = new CornerRadius(0, 6, 6, 0);
+                indicator.CornerRadius = new CornerRadius(0, 7, 7, 0);
                 var animation = new System.Windows.Media.Animation.ThicknessAnimation(
                     new Thickness(118, 0, 0, 0), 
                     TimeSpan.FromMilliseconds(200));