string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BA%94%E8%AF%A5%E7%BB%99%E9%A2%86%E5%AF%BC%E6%8F%90%E4%BB%80%E4%B9%88%E5%BB%BA%E8%AE%AE => Received HTTP code 403 from proxy after CONNECT"
应该给领导提什么建议
