{"push_id":762527660,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"2fdb1b58a6656f104a7df150146b0532a307e483","before":"90a4b852a203a1d3037f0c2c0213887b165c166b","commits":[{"sha":"2fdb1b58a6656f104a7df150146b0532a307e483","author":{"email":"3ba1f1e47a6e839c49eafbecdd3b06ddfe438af5@hotmail.com","name":"njuliuyun"},"message":"add footer","distinct":true,"url":"https://api.github.com/repos/njuliuyun/studygroup/commits/2fdb1b58a6656f104a7df150146b0532a307e483"}]}