code: def use(self, cookies):
          
          self.cookies = dict([item.split('=', 1) for item in re.split(r'; *', cookies)]) \
              if isinstance(cookies, str) else cookies
          self.flush()
          self.persist()
          return self
docs: 如果遭遇验证码，用这个接口
          
          :type cookies: str|dict
          :param cookies: cookie字符串或者字典
          :return: self