diff --git a/12-形状画刷和变换-1矩形和椭圆/MainWindow.xaml b/12-形状画刷和变换-1矩形和椭圆/MainWindow.xaml
index c7ba330..d8c5548 100644
--- a/12-形状画刷和变换-1矩形和椭圆/MainWindow.xaml
+++ b/12-形状画刷和变换-1矩形和椭圆/MainWindow.xaml
@@ -5,8 +5,23 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d"
         Title="_12_形状画刷和变换_1矩形和椭圆" Height="450" Width="800">
-    <StackPanel>
-        <Ellipse Fill="Yellow " Stroke="Blue" Height="50" Width="100" HorizontalAlignment="Left" />
-        <Rectangle Fill="Yellow" Stroke="Blue" Height="50" Width="100" Margin="5" HorizontalAlignment="Left" />
+    <StackPanel Margin="10">
+        <Ellipse Width="100" Height="50" HorizontalAlignment="Left" StrokeThickness="8" Stroke="Blue" Fill="Yellow" />
+
+        <Label Margin="0 10 0 0 " Content="圆角为5" />
+        <Rectangle Width="100" Height="50" HorizontalAlignment="Left" Stroke="Blue" StrokeThickness="4" Fill="Yellow"
+                   RadiusX="5" RadiusY="5" />
+
+        <Label Margin="0 10 0 0 " Content="圆角为10" />
+        <Rectangle Width="100" Height="50" HorizontalAlignment="Left" Stroke="Blue" StrokeThickness="4" Fill="Yellow"
+                   RadiusX="10" RadiusY="10" />
+
+        <Label Margin="0 10 0 0 " Content="圆角为x10 y25" />
+        <Rectangle Width="100" Height="50" HorizontalAlignment="Left" Stroke="Blue" StrokeThickness="4" Fill="Yellow"
+                   RadiusX="10" RadiusY="25" />
+
+        <Label Margin="0 10 0 0 " Content="圆角为x100 y60" />
+        <Rectangle Width="100" Height="50" HorizontalAlignment="Left" Stroke="Blue" StrokeThickness="4" Fill="Yellow"
+                   RadiusX="100" RadiusY="60" />
     </StackPanel>
 </Window>
\ No newline at end of file