nuxt.js在asyncData或fetch里面请求的接口报错，在mounted里正常

Question

async fetch({ store }) {
  await store.dispatch('setSite')
}

报错下面的错误，一打开页面就报这个错误，换个浏览器也是一样

{ Error: getaddrinfo ENOTFOUND 7890 7890:80
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:56:26)
  errno: 'ENOTFOUND',
  code: 'ENOTFOUND',
  syscall: 'getaddrinfo',
  hostname: '7890',
  host: '7890',
  port: 80,
  config:
   { url: '/index/siteinfo',
     method: 'get',
     headers:
      { Accept: 'application/json, text/plain, */*',
        connection: 'keep-alive',
        pragma: 'no-cache',
        'cache-control': 'no-cache',
        'sec-ch-ua':
         '" Not;A Brand";v="99", "Google Chrome";v="91", "Chromium";v="91"',
        'sec-ch-ua-mobile': '?0',
        'upgrade-insecure-requests': '1',
        'user-agent':
         'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
        'sec-fetch-site': 'same-origin',
        'sec-fetch-mode': 'navigate',
        'sec-fetch-dest': 'document',
        'accept-encoding': 'gzip, deflate',
        'accept-language': 'zh-CN,zh;q=0.9,en;q=0.8,co;q=0.7',
        cookie:
         'Hm_lvt_ef07bef2da496082a7b3f5853c998d64=1632447858,1632616457,1632725914,1632792192',
        host: 'localhost:8000' },
     baseURL: 'http://localhost:8000/pc',
     transformRequest: [ [Function] ],
     transformResponse: [ [Function: transformResponse] ],
     timeout: 22347,
     withCredentials: true,
     adapter: [Function: httpAdapter],
     xsrfCookieName: 'XSRF-TOKEN',
     xsrfHeaderName: 'X-XSRF-TOKEN',
     maxContentLength: -1,
     validateStatus: [Function: validateStatus],
     'axios-retry': { retryCount: 3, lastRequestTime: 1632969900119 },
     data: undefined },

这样写正常的

mounted() {
  this.$store.dispatch('setSite')
}

Answer 1

host 7890是什么鬼