code: function getRegistry() {
    const isIntranet = fieEnv.isIntranet();
    const registry = isIntranet
      ? 'http://registry.npm.alibaba-inc.com/'
      : 'http://registry.npm.taobao.org/';
    log.debug(registry);
    return registry;
  }
docs: 根据内外网区分来获取npm地址
  @returns {string}