Merge branch 'master' of http://www.scserverddns.top:13000/sc/formula_manage

Windows/Sql.xaml.cs

@@ -21,6 +21,7 @@ namespace formula_manage.Windows
     {
         public Sql()
         {
+            WindowStartupLocation = WindowStartupLocation.CenterScreen;
             InitializeComponent();
         }
     }

Windows/Stuff.xaml.cs

@@ -21,6 +21,7 @@ namespace formula_manage.Windows
     {
         public Stuff()
         {
+            WindowStartupLocation = WindowStartupLocation.CenterScreen;
             InitializeComponent();
         }
     }