docs: function getPage(link) {
    if (!link) return {};
  
    let result = {};
    let reg = /(<([\S]+)>)[\S\s]+\"([\w]+)\"/;
    link.split(',').forEach((item) => {
      let itemMatch = item.match(reg);
      if (itemMatch && itemMatch.length === 4) {
        let query = querystring.parse(url.parse(itemMatch[2]).query);
        result[itemMatch[3]] = parseInt(query.page) || 1;
      }
    })
  
    return result;
  }