Hello @Ding Ding ,
Thanks for the question and using MS Q&A platform.
Azure SDK related queries are directly handled by our dedicated SDK team in GitHub repository here: https://github.com/Azure/azure-sdk-for-java/issues
For better assistance on SDK related queries, please open an issue in the above repository with your quires and one of engineer will assist you accordingly.
Ref doc: Get help and connect with the SDK team
Please do share the GitHub repository issue link here once it is posted so that other readers will get benefitted reading it.
Hope this info helps.
Thank you