Hi @zhihao huang ,
Welcome to Microsoft Q&A!
You need to create a separate .vsct file for each supported language.
For more information, you can refer to: Localize command names.
Sincerely,
Anna
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.