string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E5%B9%B2%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C%E6%9C%80%E5%90%83%E9%A6%99 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
现在干什么工作最吃香
