string(258) "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%E4%B8%AD%E5%9B%BD%E7%AD%BE%E5%AD%97%E4%BA%86%E4%B9%88 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
巴黎和会中国签字了么
