{"push_id":904951685,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"d55aee55354bd0f53c4d70d740a14064da5819f3","before":"3670b494a9af512d897d27a7771c737d2a911ef7","commits":[{"sha":"d55aee55354bd0f53c4d70d740a14064da5819f3","author":{"email":"f2808163a0c38abb8a7319a13b5177e110499be2@microsoft.com","name":"Junbo Wang"},"message":"Update developer_guide.md","distinct":true,"url":"https://api.github.com/repos/msopentechcn/open-hackathon/commits/d55aee55354bd0f53c4d70d740a14064da5819f3"}]}