问Expo字体只在Android的第一个屏幕上显示自定义字体。iOS工作正常

EN

import RootStack from './navigations/RootStack';
import mainReducer from './reducers/index';
import { getAsyncStorage } from './actions/AuthActions';

const store = createStore(mainReducer, applyMiddleware(thunk));
store.dispatch(getAsyncStorage());

export default () => {
  const [fontLoaded, setFontLoaded] = useState(false);

  async function loadResourcesAsync() {
    await Promise.all([
      Font.loadAsync({
        'custom-font': require('./assets/fonts/custom_font.ttf');
      }),
    ]);

    setFontLoaded(true);
  }

  useEffect(() => {
    loadResourcesAsync();
  });

  if (!fontLoaded) return (null);
  return (
    <Provider store={store}>
      <RootStack />
    </Provider>
  );
};

const styles = StyleSheet.create({
  baseFont: {
    fontFamily: 'custom-font',
  },