1### v1.0.1 (2023-06-09) 2 3- Added 4 - Add version number management, which consists of three numbers and a suffix string，format:major.minor.revision-gX. 5 - Add log printing level. 6 - Add code formatting hook script. 7- Changed 8 - Change the cpp syntax of update_engine to c. 9 - eliminate some compile warnings for recovery. 10 - Formatting code to meet Linux style. 11- Fixed 12 - fixing userdata partition unmount failure.