flutter 返回某頁面並銷毀倆個頁面之間的頁面

Navigator.of(context).push(
            MaterialPageRoute(
              settings: RouteSettings(name: "/Page1"),
              builder: (context) => Page1(),
            ),
          );

　　

Navigator.of(context)
              .popUntil(ModalRoute.withName("/Page1"));