string(251) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E5%BB%BA%E7%AD%91%E5%AE%9E%E5%8A%A12023%E5%B9%B4%E6%8A%BC%E9%A2%98 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
二建建筑实务2023年押题
