Updated at: 2022-12-09 03:49:50
Click Settings > Authority > Role, you can apply the created roles to users, and may realize batch authorization, see the picture as below:
In the page Apply to User, you can see all users created in the system (except default administrators), check the user you want to empower the role, and click save; if the user has a role, the new role will replace the old one. 
Note: Default administrators include admin, securit, and audit. Role change is not allowable.