Why do the tables' names become so messy?

After connect my database, Why do the tables' names become so messy?
table_name_messy

Hi @ShineLiu
Upgrade to a newer version of Metabase.
https://www.metabase.com/docs/latest/administration-guide/08-configuration-settings.html#friendly-table-and-field-names

Thanks a lot for your response. We will try it.