string(266) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8B%AC%E7%AB%8B%E6%98%BE%E5%8D%A1%E6%AF%94%E8%BE%83%E5%A5%BD%E8%BF%98%E6%98%AF%E9%9B%86%E6%88%90%E6%98%BE%E5%8D%A1 => Received HTTP code 403 from proxy after CONNECT"
独立显卡比较好还是集成显卡
