string(242) "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%E7%AD%94%E6%A1%882022%E8%A1%A5%E8%80%83 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
监理案例答案2022补考
