var urlConfigMap = {};
function addDownloadConfig(domain){
  let list = Object.create(domain)
  for(let address in list){
    // for(let channel in mapConfig){
      let addWWW ="www." + address;
      urlConfigMap[addWWW] = list[address];     // www link
      urlConfigMap[address] = list[address];    // original
    // }
  }
  console.log(urlConfigMap);
}