string(278) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=1919%E4%B8%AD%E5%9B%BD%E6%8B%92%E7%BB%9D%E5%9C%A8%E4%BB%80%E4%B9%88%E6%9D%A1%E7%BA%A6%E4%B8%8A%E7%AD%BE%E5%AD%97 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
1919中国拒绝在什么条约上签字
