string(311) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%96%E6%B2%B9%E7%BF%81%E5%92%8C%E9%99%88%E5%B0%A7%E5%92%A8%E7%9A%84%E4%B8%80%E7%95%AA%E5%AF%B9%E8%AF%9D%E6%98%AF%E6%80%8E%E6%A0%B7%E5%BC%95%E8%B5%B7%E7%9A%84 => Received HTTP code 403 from proxy after CONNECT"
卖油翁和陈尧咨的一番对话是怎样引起的
