.

lib/pages/roomInfo.dart

@@ -66,7 +66,8 @@ class RoomInfoState extends State<RoomInfo> with SingleTickerProviderStateMixin
 
 //开始比赛确认按钮
   showStart() async {
-    bool result = await Navigator.of(context).push<bool>(PageRouteBuilder(
+    bool result = await Navigator.of(context).push<bool>(
+      PageRouteBuilder(
         opaque: false,
         transitionDuration: Duration(milliseconds: 300),
         transitionsBuilder: (BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation, Widget child) {
@@ -77,7 +78,9 @@ class RoomInfoState extends State<RoomInfo> with SingleTickerProviderStateMixin
         },
         pageBuilder: (BuildContext context, _, __) {
           return StartWindow();
-        }));
+        },
+      ),
+    );
 
     Toast.show(context, '加载中', -1, 'loading');
     Map<String, dynamic> data = {"id": playerInfo.id};