string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E7%BE%8E%E5%9B%BD%E4%BA%BA%E5%8F%AF%E4%BB%A5%E6%8B%BF%E6%80%BB%E7%BB%9F%E5%BC%80%E7%8E%A9%E7%AC%91 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
为什么美国人可以拿总统开玩笑
