typeScrip报错 Error:(103, 16) TS2339: Property 'saveCookie' does not exist on type 'typeof import("/Users/songximing/wxTOEFL/src/utils/util")'.

Error:(103, 16) TS2339: Property ‘saveCookie‘ does not exist on type ‘typeof import("/Users/songximing/wxTOEFL/src/utils/util")‘.

import * as util from ‘../../utils/util.js‘

import Taro from ‘@tarojs/taro‘

function getCookie() {
  var cookieObj = Taro.getStorageSync("cookie")
  var cookieStr = ‘‘
  for (var key in cookieObj) {
    cookieStr += key + ‘=‘ + cookieObj[key] + ‘;‘
  }
  return cookieStr
}

function saveCookie(cookieStr) {
  
}


module .exports = {
  getCookie:getCookie,
  saveCookie:saveCookie
}

import Taro from ‘@tarojs/taro‘


export default {
 getCookie() {
  var cookieObj = Taro.getStorageSync("cookie")
  var cookieStr = ‘‘
  for (var key in cookieObj) {
    cookieStr += key + ‘=‘ + cookieObj[key] + ‘;‘
  }
  return cookieStr
},

 saveCookie(cookieStr) {
  }
}

import util from ‘../../utils/util‘