fix: fix issue 61 #61

[nutsjian]

What is the purpose of the change

fix issue #61

Related issues/PRs

Related issues: #61

Brief change log

1. change modelui keys/list api
2. update version to 0.2.0
3. update gpt helper message when modelid changed

Checklist

• I have read the Contributing Guidelines on pull requests.
• I have explained the need for this PR and the problem it solves
• I have explained the changes or the new features added to this PR
• [] I have added tests corresponding to this change
• [] I have updated the documentation to reflect this change
• I have verified that this change is backward compatible
• [] If this is a code change: I have written unit tests to fully verify the new behavior.