string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E7%9F%A5%E9%81%93%E7%8B%97%E9%A9%B1%E8%99%AB%E9%A9%B1%E5%B9%B2%E5%87%80%E4%BA%86 => Received HTTP code 403 from proxy after CONNECT"
怎么知道狗驱虫驱干净了
