1. Chongqing Police College,Department of Public Security,ChongQing,China
2. Administrative Law School, Southwest University of Political Science and Law,Chong Qing,China
3. Tianjin University, Chongqing Police College,Department of Intelligence and Computing, Department of Information Security,ChongQing,China
4. School of Computer Science and Technology, Hainan University,Haikou,China
5. Chongqing Police College,Department of Tactics,ChongQing,China