string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9C%A8%E5%AE%BF%E8%88%8D%E5%B0%B1%E8%83%BD%E8%B5%9A%E9%92%B1%E7%9A%84%E5%B7%A5%E4%BD%9C => Failed to connect to 101.89.159.206 port 38187: Connection refused"
在宿舍就能赚钱的工作
