add function1
add function2
modify function2
Merge branch 'feature/function2' into develop
add function3
modifyu function3
Merge branch 'feature/function3' into develop
add function4
modify function4
Merge branch 'feature/add_function4' into develop
add function5
modify function5
Merge branch 'feature/function5' into develop
release note
Merge branch 'release/v0.1.0'