string(232) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ara%E7%8E%B0%E5%9C%A8%E9%9F%A9%E5%9B%BD%E7%9A%84%E6%83%85%E5%86%B5 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
ara现在韩国的情况
