refactor: enhance and fix cimpl & admin

[benbenbang]

Description:

fix some metadata that links to admin client returns

Related Issue:

resolve #148

Type of change:

Please delete options that are not relevant.

• New feature / Refactor / Enhancement (non-breaking change which adds new typings)
• Bug fix (non-breaking change which fixes an issue)

Checklist:

• All code follows the project's coding style and conventions.
• I have performed a self-review of my own code.
• My changes generate no new warnings or errors.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding updates to the documentation.