string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AE%89%E8%A3%85%E7%9B%91%E7%90%86%E5%B8%88%E8%80%83%E8%AF%95%E5%B7%A5%E4%BD%9C%E5%86%85%E5%AE%B9 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
安装监理师考试工作内容
