string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%8B%E5%8F%8B%E7%BD%91%E6%80%8E%E4%B9%88%E6%89%BE%E5%90%8C%E5%AD%A6 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
朋友网怎么找同学
