string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AE%89%E5%BE%BD%E4%BA%8C%E5%BB%BA%E7%99%BE%E5%BA%A6%E5%90%A7 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
安徽二建百度吧
