code: def owner(self):
          
          from .author import Author
  
          a = self.soup.find('h2', class_='zm-list-content-title').a
          name = a.text
          url = Zhihu_URL + a['href']
          motto = self.soup.find(
              'div', id='zh-single-answer-author-info').div.text
          photo_url = PROTOCOL + self.soup.find(
              'img', class_='zm-list-avatar-medium')['src'].replace('_m', '_r')
          return Author(url, name, motto, photo_url=photo_url,
                        session=self._session)
docs: 获取收藏夹拥有者，返回Author对象.
  
          :return: 收藏夹拥有者
          :rtype: Author