{"push_id":602415650,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"90a3502588166c8afac79116610dfecc4b65d461","before":"22ccf89f6d71881f0caba2e317d68486fde9fa9b","commits":[{"sha":"90a3502588166c8afac79116610dfecc4b65d461","author":{"email":"3438cba40268569bf41325aef04625110035b5fe@foxmail.com","name":"Jiezhong Qiu"},"message":"02-1","distinct":true,"url":"https://api.github.com/repos/xptree/os_exercises/commits/90a3502588166c8afac79116610dfecc4b65d461"}]}