同学你好，可以参考一下：

https://www.sunzhongwei.com/mysql8-error-ascii-codec-cant-decode-byte-position-ordinal-not-in-range-128

https://blog.csdn.net/martinking1997/article/details/86309305

https://blog.csdn.net/qq_15158911/article/details/73777830

https://stackoverflow.com/questions/25505443/mysql-data-export-ascii-codec-cant-decode-byte-0xc3-in-position-60-ordinal

看看这几个修改一下编码格式试试：

https://www.cnblogs.com/amy420/p/7218891.html

https://blog.csdn.net/yybk426/article/details/80939543

https://blog.csdn.net/weixin_39200308/article/details/82987271