diff --git a/demo/Semi.Avalonia.Demo/Pages/ProgressBarDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ProgressBarDemo.axaml
index 6585870..f38bd00 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ProgressBarDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ProgressBarDemo.axaml
@@ -25,6 +25,7 @@
                     Width="100"
                     Height="100"
                     IsIndeterminate="True"
+                    BorderThickness="16"
                     Maximum="{Binding #slider.Maximum}"
                     Minimum="{Binding #slider.Minimum}"
                     Theme="{DynamicResource ProgressRing}"
@@ -162,4 +163,4 @@
                 Value="60" />
         </StackPanel>
     </ScrollViewer>
-</UserControl>
\ No newline at end of file
+</UserControl>
diff --git a/src/Semi.Avalonia/Controls/ProgressBar.axaml b/src/Semi.Avalonia/Controls/ProgressBar.axaml
index 2eac71f..53e761f 100644
--- a/src/Semi.Avalonia/Controls/ProgressBar.axaml
+++ b/src/Semi.Avalonia/Controls/ProgressBar.axaml
@@ -344,6 +344,7 @@
     <ControlTheme x:Key="ProgressRing" TargetType="ProgressBar">
         <Setter Property="Foreground" Value="{DynamicResource ProgressBarIndicatorBrush}" />
         <Setter Property="Background" Value="{DynamicResource ProgressBarBackground}" />
+        <Setter Property="BorderThickness" Value="6" />
         <Setter Property="Template">
             <ControlTemplate TargetType="ProgressBar">
                 <Panel>
@@ -355,7 +356,7 @@
                         Stroke="{TemplateBinding Background}"
                         StrokeJoin="Round"
                         StrokeLineCap="Round"
-                        StrokeThickness="6"
+                        StrokeThickness="{Binding BorderThickness.Left, RelativeSource={RelativeSource TemplatedParent}}"
                         SweepAngle="360" />
                     <Arc
                         Name="Indicator"
@@ -364,7 +365,7 @@
                         Stroke="{TemplateBinding Foreground}"
                         StrokeJoin="Round"
                         StrokeLineCap="Round"
-                        StrokeThickness="6"
+                        StrokeThickness="{Binding BorderThickness.Left, RelativeSource={RelativeSource TemplatedParent}}"
                         SweepAngle="{TemplateBinding Percentage,
                                                      Converter={StaticResource AngleConverter}}" />
                     <Arc
@@ -375,7 +376,7 @@
                         Stroke="{TemplateBinding Foreground}"
                         StrokeJoin="Round"
                         StrokeLineCap="Round"
-                        StrokeThickness="6"
+                        StrokeThickness="{Binding BorderThickness.Left, RelativeSource={RelativeSource TemplatedParent}}"
                         SweepAngle="{TemplateBinding Percentage,
                                                      Converter={StaticResource AngleConverter}}" />
                     <TextBlock
@@ -443,4 +444,4 @@
             </Style.Animations>
         </Style>
     </ControlTheme>
-</ResourceDictionary>
\ No newline at end of file
+</ResourceDictionary>