string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E5%85%AC%E8%B7%AF%E5%AE%9E%E5%8A%A1%E8%80%81%E5%B8%88%E8%AF%84%E4%BB%B7 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
一建公路实务老师评价
