string(239) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BB%99%E9%A2%86%E5%AF%BC%E4%B8%80%E4%BA%9B%E5%BB%BA%E8%AE%AE%E6%80%8E%E4%B9%88%E5%86%99 => Received HTTP code 403 from proxy after CONNECT"
给领导一些建议怎么写
