string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E4%B8%80%E7%BA%A7%E9%80%A0%E4%BB%B7%E7%9C%9F%E9%A2%98%E5%8F%8A%E7%AD%94%E6%A1%88%E5%AE%8C%E6%95%B4%E7%89%88 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
2020一级造价真题及答案完整版
