string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E6%B0%B4%E5%88%A9%E9%80%A0%E4%BB%B7%E7%9C%9F%E9%A2%98%E6%B2%A1%E6%9C%89 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
为什么水利造价真题没有
