diff --git a/View/MachinesSet.xaml.cs b/View/MachinesSet.xaml.cs
index 00a96ee..f7cfc7c 100644
--- a/View/MachinesSet.xaml.cs
+++ b/View/MachinesSet.xaml.cs
@@ -77,15 +77,19 @@ namespace SunlightCentralizedControlManagement_SCCM_.View
         {
             if (!string.IsNullOrEmpty(comboBoxMachine.Text))
             {
-                SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
-                SQLiteHelpers.Open();  //打开数据库
-                SQLiteHelpers.Delete("Machines","Name='"+comboBoxMachine.Text+"'",null);              
-                MainWindowViewModel.Machines = SQLiteHelpers.ExecuteDataSet("select * from Machines Order by id", null).Tables[0];  //读取表写入缓存
-                SQLiteHelpers.Close();
-                Griddata.ItemsSource = MainWindowViewModel.Machines.DefaultView;
-                comboBoxMachine.Text = null;
+                MessageBoxResult vr = System.Windows.MessageBox.Show(Properties.Resources.Delete + comboBoxMachine.Text, "SCCM", MessageBoxButton.OKCancel, MessageBoxImage.Question);
+                if (vr == MessageBoxResult.OK) // 如果是确定，就执行下面代码，记得换上自己的代码喔
+                {
+                    SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
+                    SQLiteHelpers.Open();  //打开数据库
+                    SQLiteHelpers.Delete("Machines", "Name='" + comboBoxMachine.Text + "'", null);
+                    MainWindowViewModel.Machines = SQLiteHelpers.ExecuteDataSet("select * from Machines Order by id", null).Tables[0];  //读取表写入缓存
+                    SQLiteHelpers.Close();
+                    Griddata.ItemsSource = MainWindowViewModel.Machines.DefaultView;
+                    comboBoxMachine.Text = null;
+                }
             }
-            else 
+            else
             {
                 textlog.Text = "Invalid";
                 textlog.Foreground = new SolidColorBrush(Color.FromRgb(255, 0, 0));