enhancement, update lang.

[ghost]

enhancement, update lang.

Why are these changes needed?

Related issue number

Checks

• [x] I'm working against the latest source on the experimental branch.
• [ ] I've run scripts/format.sh to lint the changes in this PR.
• [ ] I've included any doc changes needed.
• [ ] I've made sure the tests are passing. Note that there might be a few flaky tests.
• Testing Strategy
  • [ ] Unit tests
  • [ ] Release tests
  • [ ] This PR is not tested :(

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.