string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B7%B4%E9%BB%8E%E5%92%8C%E4%BC%9A%E6%80%A7%E8%B4%A8%E4%B8%8E%E5%BD%B1%E5%93%8D => Failed to connect to 14.18.117.71 port 38041: Connection refused"
巴黎和会性质与影响
