string(276) "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%AF%B9%E4%B8%AD%E5%9B%BD%E7%9A%84%E5%BD%B1%E5%93%8D%E7%AE%80%E5%8D%95 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
巴黎和会对中国的影响简单
