1. Cyberspace Advanced Technology Research Institute, Guangzhou, China, Cyberspace Security Research Center, Peng Cheng Laboratory, Shenzhen, China
2. Zhong Zi Hua Ke Traffic Construction Technology Co. Ltd, Beijing, China
3. Cyberspace Advanced Technology, GuangZhou University, Guangzhou, China, Cyberspace Security Research Center, Peng Cheng Laboratory, Shenzhen, China