diff --git a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml
index 6a6933d1..c5d94295 100644
--- a/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml	
+++ b/Ink Canvas/Windows/SeewoStyleTimerWindow.xaml	
@@ -300,8 +300,8 @@
                                     </Button.Template>
                                     <Path x:Name="StartPauseIcon" Data="M6.5 4.00004V20C6.49995 20.178 6.54737 20.3527 6.63738 20.5062C6.72739 20.6597 6.85672 20.7864 7.01202 20.8732C7.16733 20.96 7.34299 21.0038 7.52088 21.0001C7.69878 20.9964 7.87245 20.9453 8.024 20.852L21.024 12.852C21.1696 12.7626 21.2898 12.6373 21.3733 12.4881C21.4567 12.339 21.5005 12.1709 21.5005 12C21.5005 11.8291 21.4567 11.6611 21.3733 11.512C21.2898 11.3628 21.1696 11.2375 21.024 11.148L8.024 3.14804C7.87245 3.0548 7.69878 3.00369 7.52088 2.99997C7.34299 2.99626 7.16733 3.04007 7.01202 3.1269C6.85672 3.21372 6.72739 3.34042 6.63738 3.4939C6.54737 3.64739 6.49995 3.82211 6.5 4.00004Z" 
                                        Fill="{DynamicResource SeewoTimerWindowPrimaryButtonForeground}" 
-                                       Width="32" Height="32" 
-                                       HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                                       Width="24" Height="24" 
+                                       HorizontalAlignment="Center" VerticalAlignment="Center" Stretch="Fill"/>
                                 </Button>
 
                                 <!-- 重置按钮 -->