diff --git a/Login.xaml b/Login.xaml
index 4dfbd47..880a82e 100644
--- a/Login.xaml
+++ b/Login.xaml
@@ -6,8 +6,8 @@
         xmlns:input="clr-namespace:System.Windows.Input;assembly=PresentationCore"
         xmlns:local="clr-namespace:formula_manage"
         mc:Ignorable="d"
-        Title="Login" Height="360" Width="248">
-    <Grid FocusManager.FocusedElement="{Binding ElementName=Name}">
+        Title="Login" Height="360" Width="248" Loaded="Window_Loaded">
+    <Grid>
         <Rectangle HorizontalAlignment="Center" Height="118" VerticalAlignment="Top" Width="248">
             <Rectangle.Fill>
                 <ImageBrush ImageSource="/sunlight_logotext.jpg"/>
@@ -19,7 +19,7 @@
         <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" Background="#FFDDDDDD" Foreground="Black" BorderBrush="White"/>
         <Button Content="退出" HorizontalAlignment="Left" Height="23" Margin="140,264,0,0" VerticalAlignment="Top" Width="44" Click="Button_Click" Background="#FFDDDDDD" Foreground="Black" BorderBrush="White"/>
-        <TextBlock Height="30" Margin="20,115,20,0" TextWrapping="Wrap" Text="物料单据管理程序" VerticalAlignment="Top" FontSize="24"/>
+        <TextBlock Height="30" Margin="15,115,15,0" TextWrapping="Wrap" Text="尚彩科技单据管理系统" VerticalAlignment="Top" FontSize="20"/>
 
     </Grid>
 </Window>
diff --git a/Login.xaml.cs b/Login.xaml.cs
index 52fec0b..7e96c32 100644
--- a/Login.xaml.cs
+++ b/Login.xaml.cs
@@ -13,6 +13,7 @@ using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
 using System.Windows.Shapes;
+using System.Runtime.InteropServices;
 
 namespace formula_manage
 {
@@ -21,7 +22,26 @@ namespace formula_manage
     /// </summary>
     public partial class Login : Window
     {
-        
+        [DllImport("user32.dll", SetLastError = true)]
+        static extern void keybd_event(byte bVk, byte bScan, uint dwFlags, UIntPtr dwExtraInfo);
+        public static void PressKey(Keys key, bool up)
+        {
+            const int KEYEVENTF_EXTENDEDKEY = 0x1;
+            const int KEYEVENTF_KEYUP = 0x2;
+            if (up)
+            {
+
+                keybd_event((byte)key, 0x45, KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, (UIntPtr)0);
+
+            }
+            else
+            {
+
+                keybd_event((byte)key, 0x45, KEYEVENTF_EXTENDEDKEY, (UIntPtr)0);
+
+            }
+        }
+
         public Login()
         {
             WindowStartupLocation = WindowStartupLocation.CenterScreen;
@@ -59,8 +79,16 @@ namespace formula_manage
         {
             if (e.Key == Key.Enter)
             {
-                SendKeys.SendWait("{Tab}");
+                //SendKeys.SendWait("{Tab}");
+                PressKey(Keys.Tab, false);
+                PressKey(Keys.Tab, true);
             }
         }
+
+       private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            PressKey(Keys.Tab, false);
+            PressKey(Keys.Tab, true);
+        }
     }
 }