string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E5%90%88%E5%90%8C%E7%9A%84%E7%AD%BE%E8%AE%A2 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
监理合同的签订
