string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AC%94%E8%AE%B0%E6%9C%AC%E7%94%B5%E8%84%91%E9%94%AE%E7%9B%98%E9%83%BD%E5%A4%B1%E6%95%88%E4%BA%86 => Received HTTP code 403 from proxy after CONNECT"
笔记本电脑键盘都失效了
