string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E4%B8%8D%E7%8E%A9%E6%8A%96%E9%9F%B3%E7%9A%84%E4%BA%BA%E5%A4%9A%E5%90%97 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
现在不玩抖音的人多吗
