* add task group
* modify task group
* pull dev
* add license header
* modify code style
* fix code style
* fix sql error
* fix error
* fix test
* fix test
* fix test
* fix test
* fix code style
* fix ut
* code style
* fix unit test
* test ut
* ut
* add unittest
* test ut
* modify back ut
* majorization code
* fix conflict
* fix ut
* add task group api
* reset file
* fix ut
* fix lost column
* fix ut
* fix ut
* fix ut
* fix ut
* delete duplicate code
* fix code style 、name
* fix ut
* fix mapper
Co-authored-by: wangxj <wangxj31>