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%E6%A1%88%E4%BE%8B%E5%A4%9A%E5%B0%91%E9%A2%98 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
监理案例多少题
