### What problem does this PR solve? Add license statement. ### Type of change - [x] Refactoring Signed-off-by: Jin Hai <haijin.chn@gmail.com>
### What problem does this PR solve? ### Type of change - [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve? Add get_txt function to reduce duplicate code ### Type of change - [x] Refactoring --------- Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>