### What problem does this PR solve?
fix: cannot save the system model setting #468
feat: rename file in FileManager
feat: add FileManager
feat: override useSelector type
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
document list needs to be batch operated
Issue link: #301
### Type of change
- [x] New Feature (non-breaking change which adds functionality)