### What problem does this PR solve? Unified API response json schema ### Type of change - [x] Refactoring
### What problem does this PR solve? Add test for CI ### Type of change - [x] New Feature (non-breaking change which adds functionality) Co-authored-by: liuhua <10215101452@stu.ecun.edu.cn>
### What problem does this PR solve? Test Cases ### Type of change - [x] Refactoring Co-authored-by: liuhua <10215101452@stu.ecun.edu.cn>