string(294) "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%E9%99%A4%E7%BC%93%E5%AD%98%E4%BC%9A%E4%B8%A2%E5%A4%B1%E4%BB%80%E4%B9%88%E4%BF%A1%E6%81%AF%E5%91%A2 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
抖音清除缓存会丢失什么信息呢
