老师，axios请求json 报500错误，是因为node少安装什么了吗

<template>

    <div>

        <home-header></home-header>

        <homeswiper></homeswiper>

        <home-icons></home-icons>

        <home-recommend></home-recommend>

        <home-weekend></home-weekend>

    </div>

</template>

<script>

import HomeHeader from './components/Header'

import homeswiper from './components/swiper'

import HomeIcons from './components/Icons'

import HomeRecommend from './components/Recommend'

import HomeWeekend from './components/Homeweekend'

import axios from 'axios'

export default {

  name: 'Home',

  components: {

    HomeHeader,

    homeswiper,

    HomeIcons,

    HomeRecommend,

    HomeWeekend

  },

  methods: {

    getHomeInfo (){

      console.log("1")

      axios.get('/api/index.json')

        .then(this.getHomeInfoSucc)

    },

    getHomeInfoSucc (res){

      console.log('test')

      console.log(res)

    }

  },

  mounted (){

    this.getHomeInfo()

    console.log("2")

  }

}

</script>

<style>

</style>