论文里怎么标引用网!
string(221) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%AE%BA%E6%96%87%E9%87%8C%E6%80%8E%E4%B9%88%E6%A0%87%E5%BC%95%E7%94%A8 => Received HTTP code 403 from proxy after CONNECT"
论文里怎么标引用网!