这个貌似没啥用
        :params fcid, tcid: string

def _change_channel(self, fcid, tcid):
        """
        这个貌似没啥用
        :params fcid, tcid: string
        """
        url = 'https://douban.fm/j/change_channel'
        options = {
            'fcid': fcid,
            'tcid': tcid,
            'area': 'system_chis'
        }
        requests.get(url, params=options, cookies=self._cookies, headers=HEADERS)