string(340) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E7%BB%9C%E9%94%80%E5%94%AE%E5%81%9A%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C%2C%E4%B8%8A%E7%8F%AD%E6%97%B6%E9%97%B4%E6%98%AF%E6%80%8E%E6%A0%B7%E8%A7%84%E5%AE%9A%E7%9A%84 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
网络销售做什么工作,上班时间是怎样规定的
