string(287) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2022%E4%B8%80%E7%BA%A7%E6%B3%A8%E5%86%8C%E6%B6%88%E9%98%B2%E5%B7%A5%E7%A8%8B%E5%B8%88%E8%A1%A5%E8%80%83%E8%AF%95%E9%A2%98 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
2022一级注册消防工程师补考试题
