diff --git a/MainWindow.xaml b/MainWindow.xaml
index 0f7a827..2342266 100644
--- a/MainWindow.xaml
+++ b/MainWindow.xaml
@@ -29,11 +29,10 @@
         </Grid.Background>
         <Border Height="390" VerticalAlignment="Top" 
                 Background="#220000" CornerRadius="0 0 180 0">
-            <StackPanel Orientation="Horizontal">
-                <StackPanel Width="350">
-                    <Image Width="300" Height="300" Margin="30" 
-                           VerticalAlignment="Top" Stretch="Fill" Source="pack://application:,,,/VideoConcat;component/Images/left.png"/>
-                </StackPanel>
+            <StackPanel Orientation="Horizontal" >
+               <StackPanel Width="350">
+                  <!--    <Image Width="300" Height="300" Margin="30"  VerticalAlignment="Top" Stretch="Fill" Source="pack://application:,,,/VideoConcat;component/Images/left.png"/>-->
+                </StackPanel> 
                 <StackPanel Width="350">
                     <StackPanel Margin="20,40">
                         <TextBlock Margin="20" FontFamily="Great Vibes"
@@ -58,6 +57,7 @@
                                       Margin="10,0" BorderBrush="White"
                                       CaretBrush="#FFD94448" Foreground="White"
                                       SelectionBrush="#FFD94448"
+                                      materialDesign:HintAssist.Hint="输入 密码"
                                       />
                         </StackPanel>
                         <StackPanel Margin="10" HorizontalAlignment="Center">
@@ -65,14 +65,14 @@
                                      materialDesign:ButtonAssist.CornerRadius="10"
                                      Background="#D94448" BorderBrush="#D94448" BorderThickness="2"
                                      Content="登录" Foreground="White" ToolTip="登录"
-                                     Style="{StaticResource MaterialDesignRaisedButton}"/>
+                                     Style="{StaticResource MaterialDesignRaisedButton}" Click="BtnLogin_Click"/>
                         </StackPanel>
                     </StackPanel>
                 </StackPanel>
                 <StackPanel Width="100">
                     <Button x:Name="btnExit" Margin="5,10" Background="{x:Null}"
                             Click="BtnExit_Click" Style="{StaticResource MaterialDesignFloatingActionButton}"
-                            ToolTip="关闭">
+                            ToolTip="关闭" Height="36" Width="36">
                         <materialDesign:PackIcon Width="20" Height="20" 
                                                  Foreground="White" Kind="Close"/>
                     </Button>
diff --git a/MainWindow.xaml.cs b/MainWindow.xaml.cs
index 8f2758b..6687c52 100644
--- a/MainWindow.xaml.cs
+++ b/MainWindow.xaml.cs
@@ -25,5 +25,18 @@ namespace VideoConcat
                 this.DragMove();
             }
         }
+
+        private void BtnLogin_Click(object sender, RoutedEventArgs e)
+        {
+            if (txtUserName.Text == "admin" && txtPassword.Password == "123456")
+            {
+                 MessageBox.Show("登录成功");
+                return;
+            }
+            MessageBox.Show("用户名或者密码错误！");
+            txtUserName.Clear();
+            //txtUserName.Text = "";
+            txtPassword.Clear();
+        }
     }
 }