string(249) "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%81%9A%E4%BB%80%E4%B9%88%E8%83%BD%E8%B5%9A%E9%92%B1 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
在宿舍做什么能赚钱
