Default WindowCaptionButton.maximize() cannot maximize

[FengChendian]

Here are my settings in void main.

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  // Must add this line.
  await windowManager.ensureInitialized();

  WindowOptions windowOptions = WindowOptions(
    size: Size(800, 600),
    center: true,
    backgroundColor: Colors.transparent,
    skipTaskbar: false,
    titleBarStyle: TitleBarStyle.hidden,
  );
  windowManager.waitUntilReadyToShow(windowOptions, () async {
    await windowManager.show();
    await windowManager.focus();
  });
  runApp(ProviderScope(child: PdfReaderApp()));
}

The following code is not working when I maximize windows:

WindowCaptionButton.maximize(),

And the following code works

WindowCaptionButton.maximize(
  onPressed: () async {
    if (await windowManager.isMaximized()) {
      windowManager.unmaximize();
    } else {
      windowManager.maximize();
    }
  },
),

System

Windows 11, 25H2