string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E4%BA%8C%E5%BB%BA%E5%85%AC%E8%B7%AF%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 101.89.166.210 port 38089: Connection refused"
2020二建公路真题及答案完整版
