text: const request = require('superagent')
  const cryptUtils = require('../../app/utils/crypt_utils')
  const config = require('../../config').key
  const uuid = require('uuid')
  
  const reqUuid = uuid.v4()
  
  let content = {
    mobile: '18676669410',
    password: '123456'
  }
  let cryptStr = cryptUtils.hmacMd5(content, reqUuid)
  let sign = cryptUtils.sign(cryptStr, config.private)
  
  let postData = {
    uuid: reqUuid,
    content: content,
    sign: sign
  }
  
  request.post('http://127.0.0.1:4001/app/auth/login').send(postData).type('json').then(ret => {
    console.log(ret.body)
  })