040000 tree 4cd97c14c00eaf182ad4241e60eb9ef953fb6d8d	android
040000 tree c01f943f76ea9f8d6bc3ddd1c11f467db9b8c6de	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree 9a969a781ddabbd9962de41480743121a3fc5ce5	tv-common