string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%93%E4%B8%9A%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%88%E9%AA%8C%E6%94%B6 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
专业监理工程师验收
