string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E5%B8%88%E6%A8%A1%E6%8B%9F%E8%AF%95%E9%A2%98%E7%99%BE%E5%BA%A6%E4%BA%91 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
二建师模拟试题百度云
