update replace方法
update tb_ic_url_xj SET detail_url = REPLACE(detail_url,'http://xj.gsxt.gov.cn/gjjXJ','http://xj.gsxt.gov.cn/gjjbj') WHERE last_update_time < '2017-10-01' and is_company = 1 and detail_url LIKE '%gjjXJ%';
update tb_ic_url_xj SET detail_url = REPLACE(detail_url,'http://xj.gsxt.gov.cn/gjjXJ','http://xj.gsxt.gov.cn/gjjbj') WHERE last_update_time < '2017-10-01' and is_company = 1 and detail_url LIKE '%gjjXJ%';