string(303) "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%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE%E6%A0%87%E6%B3%A8%E6%80%8E%E4%B9%88%E5%BC%84%E5%88%B0%E5%8F%B3%E4%B8%8A%E8%A7%92 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
论文参考文献标注怎么弄到右上角
