What Can I Do If There Is an Extra Backslash (\) After a MySQL Account Is Migrated?

After other cloud MySQL is migrated to the cloud using DRS, the migrated account is displayed with a backslash (\) on the RDS console.

The account information on another cloud console before the migration is as follows:

The account information on the RDS console after the migration is as follows:

The MySQL GRANT syntax supports wildcards. For details, see the MySQL official documentation. DRS migrates permissions based on the SQL query result. The permissions of the destination account are the same as those of the source account. The only difference is that the escape character backslash (\) is not displayed on other cloud consoles.