Merge pull request #433 from blackcandy-org/bump_version

Release v3.1

Merge pull request #381 from blackcandy-org/pre-3.0

Release the v3.0

Bump version to 2.1.1

Bump version to v2.1.0

Bump version to v2.0.1

Bump version to v2.0

fix spring error on build image

update dockerignore

bump version to v1.1.1

bump version to 1.1.0