string(329) "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%92%8C%E5%8D%8E%E7%9B%9B%E9%A1%BF%E4%BC%9A%E8%AE%AE%E7%9A%84%E7%9B%B8%E5%90%8C%E7%82%B9%E5%92%8C%E4%B8%8D%E5%90%8C%E7%82%B9 => Failed to connect to 101.89.120.29 port 38025: Connection refused"
巴黎和会和华盛顿会议的相同点和不同点
