string(271) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E4%B8%80%E7%BA%A7%E9%80%A0%E4%BB%B7%E6%A1%88%E4%BE%8B%E6%8A%BC%E9%A2%98%E4%B8%89%E9%A1%B5 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
2021年一级造价案例押题三页
