问响应本机底部选项卡导航无效

EN

import React from 'react';
import { StatusBar } from 'expo-status-bar';
import { StyleSheet, Text, View } from 'react-native';
import { createBottomTabNavigator } from "@react-navigation/bottom-tabs";
import { NavigationContainer } from '@react-navigation/native';
import BottomBar from './src/Navbar/BottomBar';

export default function App() {
  return(
      <NavigationContainer>
         <BottomBar/>
      </NavigationContainer>
  )
};

Unable to resolve module src/Screens/Navigation/BottomNav from /Users/wafaturaifi/Desktop/Requests/App.js: src/Screens/Navigation/BottomNav could not be found within the project or in these directories:
  node_modules

If you are sure the module exists, try these steps:
 1. Clear watchman watches: watchman watch-del-all
 2. Delete node_modules and run yarn install
 3. Reset Metro's cache: yarn start --reset-cache
 4. Remove the cache: rm -rf /tmp/metro-*

import React, { useEffect, useContext } from "react";
import { View } from "react-native";
import { createBottomTabNavigator } from "@react-navigation/bottom-tabs";
import HomeScreen from '../Screens/Home';
import MoreScreen from '../Screens/More';
import PostScreen from '../Screens/Post';
import RequestsScreen from '../Screens/Requests';
import SummaryScreen from '../Screens/Summary';

const Tab = createBottomTabNavigator();

const BottomBar=() => {
  return (
    <Tab.Navigator>
      <Tab.Screen name="Home" component={HomeScreen} />
      <Tab.Screen name="Summary" component={SummaryScreen} />
      <Tab.Screen name="Add" component={AddScreen} />
      <Tab.Screen name="Requests" component={RequestsScreen} />
      <Tab.Screen name="More" component={MoreScreen} />
    </Tab.Navigator>
  );
}
export default BottomBar;