string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8E%AB%E8%A8%80%E8%8E%B7%E5%A5%96%E7%BB%99%E6%88%91%E7%9A%84%E5%90%AF%E7%A4%BA => Received HTTP code 403 from proxy after CONNECT"
莫言获奖给我的启示
