Dingdong_client/screens/Login/index.js

import * as WebBrowser from 'expo-web-browser'
import * as React from 'react'
import LoginScreen from './LoginScreen'
import BackPasswordScreen from './BackPasswordScreen'

export default function Bank(Screen) {
  return (
    <>
      <Screen name="Login" component={LoginScreen} />
      <Screen name="BackPassword" component={BackPasswordScreen} />
    </>
  )
}