Merge pull request #1 from sunxfancy/master

add some api
Merge pull request #2 from sunxfancy/master

Signed-off-by: sunxfancy <sun_xfancy@163.com>
Merge pull request #3 from sunxfancy/master

API开发完毕
Merge pull request #1 from buaaabs/master

新增api
Merge pull request #4 from sunxfancy/master

新增api