diff --git a/MainWindow.xaml b/MainWindow.xaml
index 1eee562..285a4ac 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -9,7 +9,7 @@
         x:Class="Audit.MainWindow"
         mc:Ignorable="d"
         Background="#FFF5F5F5"
-        Title="SUNLIGHT" Height="800" Width="1280" WindowStartupLocation="CenterScreen">
+        Title="SUNLIGHT" Height="900" Width="1280" WindowStartupLocation="CenterScreen">
     <mah:MetroWindow.Resources>
         <Style x:Key="RadioButtonStyle" TargetType="{x:Type RadioButton}">
             <Setter Property="Background" Value="{DynamicResource MahApps.Brushes.ThemeBackground}"/>
@@ -61,21 +61,20 @@
     </mah:MetroWindow.Resources>
     <Grid>
 
-        <Rectangle HorizontalAlignment="Left" Height="915" Margin="0,190,0,0" 
-                   Fill="#FFCCCCCC" VerticalAlignment="Top" Width="150"/>
-        
+        <Rectangle HorizontalAlignment="Left" Height="1105" 
+                   Fill="#FFCCCCCC" VerticalAlignment="Top" Width="180"/>
+
         <RadioButton Content="查询" Tag="&#xF15C;" HorizontalAlignment="Left" 
-                     Height="55" Margin="0,190,0,0" VerticalAlignment="Top" Width="150" 
+                     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="150" 
-                     Background="#FFCCCCCC" Style="{DynamicResource RadioButtonStyle}"/>
-        
-        <RadioButton Content="退出" Tag="&#xF08B;" HorizontalAlignment="Left" 
-                     Height="55" Margin="0,720,0,0" VerticalAlignment="Top" Width="150" 
+                     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 RadioButtonStyle}" Checked="RadioButton_Checked"/>
 
     </Grid>
 </mah:MetroWindow>
\ No newline at end of file
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 9929b79..681228c 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -33,5 +33,10 @@ namespace Audit
         {
 
         }
+
+        private void RadioButton_Checked(object sender, RoutedEventArgs e)
+        {
+            Application.Current.Shutdown();//关闭窗口
+        }
     }
 }