string(240) "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%B7%A5%E4%BD%9C%E8%8C%83%E5%9B%B4 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
安装监理工作范围
