diff --git a/MainWindow.xaml b/MainWindow.xaml
index 7b82952..4dfe322 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -105,16 +105,16 @@
     </mah:MetroWindow.Resources>
     <Grid>
 
-        <Rectangle HorizontalAlignment="Left" Height="885" Fill="#FFCCCCCC" VerticalAlignment="Center" Width="180"/>
+        <Rectangle HorizontalAlignment="Left" Width="180" Margin="0,0,0,0" Fill="#FFCCCCCC"/>
         <RadioButton Content="查询" Tag="&#xF15C;" HorizontalAlignment="Left" Height="55" Margin="0,190,0,0" VerticalAlignment="Top" Width="180" Background="#FFCCCCCC" Style="{DynamicResource RadioButtonStyle}"/>
         <RadioButton Content="统计" Tag="&#xF00B;" HorizontalAlignment="Left" Height="55" Margin="0,245,0,0" VerticalAlignment="Top" Width="180" Background="#FFCCCCCC" Style="{DynamicResource RadioButtonStyle}"/>
-        <RadioButton Content="退出" Tag="&#xF08B;" HorizontalAlignment="Left" Height="55" Margin="0,745,0,0" VerticalAlignment="Top" Width="180" Background="#FFCCCCCC" Style="{DynamicResource Style}" Checked="exit"/>
-        <RadioButton Content="帮助" Tag="&#xf0b1;" HorizontalAlignment="Left" Height="55" Margin="0,685,0,0" VerticalAlignment="Top" Width="180" Background="#FFCCCCCC" Style="{DynamicResource Style}" Checked="help"/>
+        <RadioButton Content="退出" Tag="&#xF08B;" HorizontalAlignment="Left" Height="55" Margin="0,0,0,50" VerticalAlignment="Bottom" Width="180" Background="#FFCCCCCC" Style="{DynamicResource Style}" Checked="exit" />
+        <RadioButton Content="帮助" Tag="&#xF0B1;" HorizontalAlignment="Left" Height="55" Margin="0,0,0,105" VerticalAlignment="Bottom" Width="180" Background="#FFCCCCCC" Style="{DynamicResource Style}" Checked="help" />
         <Rectangle HorizontalAlignment="Left" Height="150" Margin="15,15,0,0" VerticalAlignment="Top" Width="150">
             <Rectangle.Fill>
                 <ImageBrush ImageSource="/Logo/sunlight_sc.png"/>
             </Rectangle.Fill>
         </Rectangle>
-     
+
     </Grid>
 </mah:MetroWindow>
\ No newline at end of file