https://twitter.com/imas_DB/status/1194595296254152705
https://twitter.com/imas_tsushin/status/1194596457979887617
엑셀러레이션도 추가
https://twitter.com/imas_DB/status/1194595296254152705
https://twitter.com/imas_tsushin/status/1194596457979887617
엑셀러레이션도 추가