string(306) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2023%E4%B8%80%E7%BA%A7%E9%80%A0%E4%BB%B7%E5%B7%A5%E7%A8%8B%E5%B8%88%E8%80%83%E8%AF%95%E6%95%99%E6%9D%90%E5%8F%91%E8%A1%8C%E6%97%B6%E9%97%B4 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
2023一级造价工程师考试教材发行时间
