string(337) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4233%E7%BD%91%E6%A0%A1%E4%BA%8C%E7%BA%A7%E5%BB%BA%E9%80%A0%E5%B8%88%E8%80%83%E8%AF%95%E5%85%AC%E8%B7%AF%E5%B7%A5%E7%A8%8B%E6%AF%8F%E6%97%A5%E4%B8%80%E7%BB%83 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
2021年233网校二级建造师考试公路工程每日一练
