string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%92%E7%BB%9D%E8%AF%BA%E8%B4%9D%E5%B0%94%E5%A5%96%E7%9A%84%E7%A7%91%E5%AD%A6%E5%AE%B6 => Received HTTP code 403 from proxy after CONNECT"
拒绝诺贝尔奖的科学家
