장성대 작성
Merge branch 'master' of https://github.com/xerato/vk-test.git
Merge branch 'master' of https://github.com/xerato/vk-test.git
Merge branch 'master' of https://github.com/xerato/vk-test.git
Merge branch 'master' of https://github.com/xerato/vk-test.git