导入Excel数据集后更新不了，报错信息是：
File file/guandata-store/table_cache/fmg/a2e4a0aaf9e32455292b6408/part-00003-b85ea492-f8b7-4e93-ac25-d507c55c1775-c000.snappy.parquet does not exist
It is possible the underlying files have been updated. You can explicitly invalidate the cache in Spark by running 'REFRESH TABLE tableName' command in SQL or by recreating the Dataset/DataFrame involved.
如何解决？
文件60M左右
另外想进入售后服务群，怎么进入？
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