string(251) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E7%9B%91%E7%90%86%E5%B7%A5%E7%A8%8B%E5%B8%88%E8%80%83%E5%90%8E%E4%BA%A4%E6%B5%81 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
2021监理工程师考后交流
