string(240) "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%E5%A4%96%E4%BA%A4%E5%A4%B1%E8%B4%A5 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
巴黎和会外交失败
