diff --git a/MainWindow.xaml b/MainWindow.xaml
index 490e96e..2c8ab72 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -8,6 +8,6 @@
         xmlns:mah="http://metro.mahapps.com/winfx/xaml/controls" 
         x:Class="Audit.MainWindow"
         mc:Ignorable="d"
-        Title="化学品审计管理" Height="1080" Width="1920">
+        Title="化学品审计管理" Height="1080" Width="1920" WindowStartupLocation="CenterScreen">
     <Button Content="Button" HorizontalAlignment="Left" Height="115" Margin="485,760,0,0" VerticalAlignment="Top" Width="315"/>
 </mah:MetroWindow>
diff --git a/Windows/LogWindow.xaml b/Windows/LogWindow.xaml
index a04a703..4455933 100644
--- a/Windows/LogWindow.xaml
+++ b/Windows/LogWindow.xaml
@@ -5,7 +5,7 @@
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:local="clr-namespace:Audit.Windows"
         mc:Ignorable="d"
-        Title="审计系统登录" Height="400" Width="300">
+        Title="审计系统登录" Height="400" Width="300" WindowStartupLocation="CenterScreen">
     <Grid>
         
     </Grid>