mod: 竖屏改为只持续两秒

lib/plugin/pl_player/utils/fullscreen.dart

@@ -25,6 +25,16 @@ Future<void> landScape() async {
   }
 }
 
+//竖屏
+Future<void> verticalScreenForTwoSeconds() async {
+  await SystemChrome.setPreferredOrientations([
+    DeviceOrientation.portraitUp,
+  ]);
+  Future.delayed(const Duration(seconds: 2), () {
+    autoScreen();
+  });
+}
+
 //竖屏
 Future<void> verticalScreen() async {
   await SystemChrome.setPreferredOrientations([