IntrospectToken: fix response type

[EkeMinusYou]

Description

fixed IntrospectToken response type

Checklist

• the pull request title describes what this PR does (not a vague title like Update readme.md)
• the pull request targets the default branch of the repository (develop)
• the code follows the established code style of the repository, such as:
  • npm run prettier:check passes
  • npm run eslint:check passes
• tests are added for the changes I made (if any source code was modified)
• documentation added or updated
• I have run the project locally and verified that there are no errors

Fixes

fixes #[issue number], fixes #[issue number]

[EkeMinusYou]

@liaochangjiang