diff --git a/Login.xaml b/Login.xaml
index 47c11be..bedc1be 100644
--- a/Login.xaml
+++ b/Login.xaml
@@ -7,14 +7,14 @@
         xmlns:local="clr-namespace:formula_manage"
         mc:Ignorable="d"
         Title="Login" Height="360" Width="248">
-    <Grid>
+    <Grid FocusManager.FocusedElement="{Binding ElementName=Name}">
         <Rectangle HorizontalAlignment="Center" Height="118" VerticalAlignment="Top" Width="248">
             <Rectangle.Fill>
                 <ImageBrush ImageSource="/sunlight_logotext.jpg"/>
             </Rectangle.Fill>
         </Rectangle>
-        <ComboBox Name="Name" Height="24" Margin="60,164,10,0" VerticalAlignment="Top" FontSize="14" IsEditable="True"/>
-        <PasswordBox Name="Pasword" Height="24" Margin="60,210,10,0" VerticalAlignment="Top" FontSize="14" input:InputMethod.IsInputMethodEnabled="False"/>
+        <ComboBox Name="Name" Height="24" Margin="60,164,10,0" VerticalAlignment="Top" FontSize="14" IsEditable="True" KeyUp="SearchBox_OnKeyDownd"/>
+        <PasswordBox Name="Pasword" Height="24" Margin="60,210,10,0" VerticalAlignment="Top" FontSize="14" input:InputMethod.IsInputMethodEnabled="False" KeyUp="SearchBox_OnKeyDownd"/>
         <TextBlock HorizontalAlignment="Left" Height="26" Margin="10,166,0,0" TextWrapping="Wrap" Text="账号" VerticalAlignment="Top" Width="41" FontSize="20" RenderTransformOrigin="0.833,0.478"/>
         <TextBlock HorizontalAlignment="Left" Height="26" Margin="10,210,0,0" TextWrapping="Wrap" Text="密码" VerticalAlignment="Top" Width="41" FontSize="20" RenderTransformOrigin="0.833,0.478"/>
         <Button Content="登录" HorizontalAlignment="Left" Height="23" Margin="60,264,0,0" VerticalAlignment="Top" Width="44" Click="Button_Click_1"/>
diff --git a/Login.xaml.cs b/Login.xaml.cs
index 8a65e09..c8ca522 100644
--- a/Login.xaml.cs
+++ b/Login.xaml.cs
@@ -44,14 +44,24 @@ namespace formula_manage
         {
             if ((Name.Text == "engineer" || Name.Text == "ENGINEER") && (Pasword.Password == "engineer" || Pasword.Password == "ENGINEER"))
             {
+                Window window = Window.GetWindow(this);
                 MainWindow Main = new MainWindow();
+                window.Close();
                 Main.ShowDialog();//实例化并置顶打开信息窗口
-                this.Close();
             }
             else
             {
                 System.Windows.MessageBox.Show("账号或密码错误");
             }
         }
+
+        private void SearchBox_OnKeyDownd(object sender, System.Windows.Input.KeyEventArgs e)
+        {
+            if (e.Key == Key.Enter)
+            {
+                SendKeys.SendWait("{tab}");
+            }
+        }
+
     }
 }
diff --git a/MainWindow.xaml b/MainWindow.xaml
index 549a4aa..78ee4a5 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -74,9 +74,9 @@
                 <DataGridTextColumn Header="备注" Width="400" FontSize="15" MinWidth="100" CanUserReorder="False"/>
             </DataGrid.Columns>
         </DataGrid>
+        <Button Content="确认" HorizontalAlignment="Right" Height="40" Width="80" Margin="0,0,140,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="confirm"/>
+        <Button Content="打印" HorizontalAlignment="Right" Height="40" Width="80" Margin="0,0,55,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="print"/>
         <Button Content="保存" HorizontalAlignment="Left" Height="40" Width="80" Margin="15,0,0,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="save"/>
         <Button Content="删除" HorizontalAlignment="Left" Height="40" Width="80" Margin="100,0,0,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="delete"/>
-        <Button Content="打印" HorizontalAlignment="Right" Height="40" Width="80" Margin="0,0,55,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="print"/>
-        <Button Content="确认" HorizontalAlignment="Right" Height="40" Width="80" Margin="0,0,140,20" VerticalAlignment="Bottom" FontSize="20" Background="#FFEFEFEF" BorderBrush="White" Click="confirm"/>
     </Grid>
 </Window>