string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%AC%E6%96%87%E6%8A%A5%E5%91%8A%E5%92%8C%E8%AF%B7%E7%A4%BA%E7%9A%84%E5%8C%BA%E5%88%AB => Received HTTP code 403 from proxy after CONNECT"
公文报告和请示的区别
