RayayChung

Make sure that: - [ ] You have read the [contribution guidelines](https://shenyu.apache.org/community/contributor-guide). - [ ] You submit test cases (unit or integration tests) that back your changes. - [ ]...

### Is there an existing issue for this? - [X] I have searched the existing issues ### Current Behavior fallback config:  when fallback is triggered, the `ip:port` info is...