diff --git a/App.xaml.cs b/App.xaml.cs
index f90af95..0303e14 100644
--- a/App.xaml.cs
+++ b/App.xaml.cs
@@ -13,5 +13,54 @@ namespace formula_manage
     /// </summary>
     public partial class App : Application
     {
+        public App()
+        {
+            this.Startup += new StartupEventHandler(App_Startup);
+            this.DispatcherUnhandledException += new System.Windows.Threading.DispatcherUnhandledExceptionEventHandler(App_DispatcherUnhandledException);
+        }
+
+        System.Threading.Mutex mutex;
+        void App_Startup(object sender, StartupEventArgs e) //程序只允许启动一次
+        {
+            bool ret;
+            mutex = new System.Threading.Mutex(true, "ElectronicNeedleTherapySystem", out ret);
+            if (!ret)
+            {
+                MessageBox.Show("SUNLIGHT:单据管理已启动");
+                Environment.Exit(0);
+            }
+        }
+
+        protected override void OnStartup(StartupEventArgs e)  //跟踪报错信息
+        {
+            base.OnStartup(e);
+            //UI线程的异常捕捉
+            this.DispatcherUnhandledException += App_DispatcherUnhandledException;
+        }
+
+        private void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
+        {
+
+            e.Handled = true;
+            if (e.Exception.InnerException == null)
+            {
+                MessageBox.Show("发生了一个无法处理的错误！请联系SUNLIGHT处理！" + Environment.NewLine
+                              //     + "（2）错误源：" + e.Exception.Source + Environment.NewLine
+                                   + "详细信息：" + e.Exception.Message + Environment.NewLine
+                              //     + "（4）报错区域：" + e.Exception.StackTrace
+                                   );
+            }
+            else
+            {
+                MessageBox.Show("发生了一个无法处理的错误！请联系SUNLIGHT处理！" + Environment.NewLine
+                              //      + "（2）错误源：" + e.Exception.InnerException.Source + Environment.NewLine
+                                    + "错误信息：" + e.Exception.Message + Environment.NewLine
+                              //      + "（4）详细信息：" + e.Exception.InnerException.Message + Environment.NewLine
+                              //      + "（5）报错区域：" + e.Exception.InnerException.StackTrace
+                                    );
+            }
+
+
+        }
     }
 }
diff --git a/Windows/Sql.xaml b/Windows/Sql.xaml
index e7722ff..cfac13f 100644
--- a/Windows/Sql.xaml
+++ b/Windows/Sql.xaml
@@ -24,6 +24,7 @@
             <ComboBoxItem Content="Windows 身份认证"></ComboBoxItem>
             <ComboBoxItem Content="SQL SERVER 身份认证"></ComboBoxItem>
         </ComboBox>
-        <Button Content="保存" HorizontalAlignment="Center" Height="34" Margin="0,362,0,0" VerticalAlignment="Top" Width="81" BorderBrush="White"/>
+        <Button Content="保存" HorizontalAlignment="Right" Height="24" Margin="0,362,20,0" VerticalAlignment="Top" Width="80" BorderBrush="White" Click="Button_Click"/>
+        <Button Content="测试" HorizontalAlignment="Left" Height="24" Margin="20,362,0,0" VerticalAlignment="Top" Width="80" BorderBrush="White" Click="Button_Click_1"/>
     </Grid>
 </Window>
diff --git a/Windows/Sql.xaml.cs b/Windows/Sql.xaml.cs
index e3a0125..569affa 100644
--- a/Windows/Sql.xaml.cs
+++ b/Windows/Sql.xaml.cs
@@ -30,5 +30,15 @@ namespace formula_manage.Windows
         {
 
         }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void Button_Click_1(object sender, RoutedEventArgs e)
+        {
+
+        }
     }
 }