diff --git a/demo/Semi.Avalonia.Demo/Pages/Overview.axaml b/demo/Semi.Avalonia.Demo/Pages/Overview.axaml
index b1aeaa8..193daf3 100644
--- a/demo/Semi.Avalonia.Demo/Pages/Overview.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/Overview.axaml
@@ -41,9 +41,9 @@
                     <Image.Source>
                         <DrawingImage>
                             <DrawingGroup>
-                                <GeometryDrawing Brush="#8B44AC" Geometry="M74.8535 85.8231C75.0263 85.8231 75.1954 85.8231 75.3679 85.8231C80.7347 85.8231 85.1439 81.8027 85.7614 76.6019L85.8357 41.7604C85.2255 18.5931 66.2537 0 42.9393 0C19.2399 0 0.02771 19.2122 0.02771 42.9116C0.02771 66.3573 18.8309 85.418 42.18 85.8231H74.8535Z" />
-                                <GeometryDrawing Brush="#F9F9FB" Geometry="M43.0585 14.6143C29.5513 14.6143 18.2555 24.082 15.4454 36.7432C18.1357 37.4975 20.1087 39.9679 20.1087 42.8992C20.1087 45.8305 18.1357 48.301 15.4454 49.0552C18.2555 61.7164 29.5513 71.1842 43.0585 71.1842C47.9754 71.1842 52.5993 69.9296 56.6276 67.723V70.9926H71.3435V44.0716C71.3569 43.7138 71.3435 43.2603 71.3435 42.8992C71.3435 27.2779 58.6799 14.6143 43.0585 14.6143ZM29.5096 42.8992C29.5096 35.4164 35.5757 29.3503 43.0585 29.3503C50.5414 29.3503 56.6074 35.4164 56.6074 42.8992C56.6074 50.3821 50.5414 56.4481 43.0585 56.4481C35.5757 56.4481 29.5096 50.3821 29.5096 42.8992Z" />
-                                <GeometryDrawing Brush="#F9F9FB" Geometry="M18.105 42.8805C18.105 45.3803 16.0785 47.4068 13.5787 47.4068C11.0789 47.4068 9.05237 45.3803 9.05237 42.8805C9.05237 40.3807 11.0789 38.3542 13.5787 38.3542C16.0785 38.3542 18.105 40.3807 18.105 42.8805Z" />
+                                <GeometryDrawing Brush="#0D6EFD" Geometry="M74.8535 85.8231C75.0263 85.8231 75.1954 85.8231 75.3679 85.8231C80.7347 85.8231 85.1439 81.8027 85.7614 76.6019L85.8357 41.7604C85.2255 18.5931 66.2537 0 42.9393 0C19.2399 0 0.02771 19.2122 0.02771 42.9116C0.02771 66.3573 18.8309 85.418 42.18 85.8231H74.8535Z" />
+                                <GeometryDrawing Brush="White" Geometry="M43.0585 14.6143C29.5513 14.6143 18.2555 24.082 15.4454 36.7432C18.1357 37.4975 20.1087 39.9679 20.1087 42.8992C20.1087 45.8305 18.1357 48.301 15.4454 49.0552C18.2555 61.7164 29.5513 71.1842 43.0585 71.1842C47.9754 71.1842 52.5993 69.9296 56.6276 67.723V70.9926H71.3435V44.0716C71.3569 43.7138 71.3435 43.2603 71.3435 42.8992C71.3435 27.2779 58.6799 14.6143 43.0585 14.6143ZM29.5096 42.8992C29.5096 35.4164 35.5757 29.3503 43.0585 29.3503C50.5414 29.3503 56.6074 35.4164 56.6074 42.8992C56.6074 50.3821 50.5414 56.4481 43.0585 56.4481C35.5757 56.4481 29.5096 50.3821 29.5096 42.8992Z" />
+                                <GeometryDrawing Brush="White" Geometry="M18.105 42.8805C18.105 45.3803 16.0785 47.4068 13.5787 47.4068C11.0789 47.4068 9.05237 45.3803 9.05237 42.8805C9.05237 40.3807 11.0789 38.3542 13.5787 38.3542C16.0785 38.3542 18.105 40.3807 18.105 42.8805Z" />
                             </DrawingGroup>
                         </DrawingImage>
                     </Image.Source>
@@ -234,7 +234,7 @@
                             VerticalAlignment="Top"
                             Palette="{DynamicResource SemiColorPalette}"
                             SelectedIndex="2"
-                            Color="#8B44AC" />
+                            Color="#0D6EFD" />
                         <StackPanel Width="300" Margin="8">
                             <StackPanel Orientation="Horizontal">
                                 <Slider