string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A5%B3%E7%94%9F%E6%8A%A5%E5%95%A5%E4%B8%93%E4%B8%9A%E6%AF%94%E8%BE%83%E5%A5%BD => Failed to connect to 14.18.117.71 port 38093: Connection refused"
女生报啥专业比较好
