string(239) "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%8F%AF%E4%BB%A5%E8%B5%9A%E9%92%B1%E7%9A%84%E9%80%94%E5%BE%84 => Received HTTP code 403 from proxy after CONNECT"
在宿舍可以赚钱的途径
