Hi Yuxuan,
Check out the Mendix documentation for changing your buttons to Chinese:
https://docs.mendix.com/refguide/batch-translate/
Hi Yuxuan,
In the modular go to the respective grid and double click the button and add the caption in the General tab.
For Chinese language translation follow the below link.
https://docs.mendix.com/howto/collaboration-requirements-management/translate-your-app-content/