### What problem does this PR solve?
- Update readme
- Add license
### Type of change
- [x] Documentation Update
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Signed-off-by: Jin Hai <haijin.chn@gmail.com>
refine code (#595)
KevinHuSh
cfd6ece
### What problem does this PR solve?
### Type of change
- [x] Refactoring
refactor code (#583)
KevinHuSh
2d09c38
### What problem does this PR solve?
### Type of change
- [x] Refactoring