@property<EOL><INDENT>@check_soup('<STR_LIT>')<EOL>def follower_num(self):<DEDENT>
follower_num_block = self.soup.find(<EOL>'<STR_LIT>', class_='<STR_LIT>')<EOL>if follower_num_block.strong is None:<EOL><INDENT>return <NUM_LIT:0><EOL><DEDENT>return int(follower_num_block.strong.text)<EOL>
获取话题关注人数.

        :return: 关注人数
        :rtype: int