string(303) "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%B8%85%E7%90%86%E7%BC%93%E5%AD%98%E6%98%AF%E4%B8%8D%E6%98%AF%E8%A7%86%E9%A2%91%E5%B0%B1%E6%B2%A1%E6%9C%89%E4%BA%86 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
抖音清理缓存是不是视频就没有了
