string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8A%96%E9%9F%B3%E6%80%8E%E4%B9%88%E6%8E%A8%E8%8D%90%E7%9A%84%E9%83%BD%E6%98%AF%E9%87%8D%E5%A4%8D%E7%9A%84%E5%91%A2 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
抖音怎么推荐的都是重复的呢
