string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%9B%BD%E5%B7%B4%E9%BB%8E%E5%92%8C%E4%BC%9A%E4%B8%83%E4%B8%AA%E8%A6%81%E6%B1%82 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
中国巴黎和会七个要求
