React Native Expo -无法将数据发送到php文件

import React, { useState } from 'react';
import { View, Button } from 'react-native';
import axios from 'axios';

const sendDataToPhp = async () => {
  try {
    const response = await axios.post('http://example.com/api.php', {
      data: 'your data',
    });
    console.log(response.data);
  } catch (error) {
    console.error(error);
  }
};

const App = () => {
  return (
    <View>
      <Button title="Send Data" onPress={sendDataToPhp} />
    </View>
  );
};

export default App;