Hello, Teacher Zhang Dan, School of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications. According to relevant information, Zhang Dan, a teacher of the School of Optoelectronic Engineering of Chongqing University of Posts and Telecommunications, is a native of Shangrao, Jiangxi Province, with a master's degree in law. He is currently the director of the Office of Cyberspace Security and Information Law School of Chongqing University of Posts and Telecommunications, and concurrently serves as a psychological consultant of Chongqing University of Posts and Telecommunications and a Mandarin tester in Chongqing. Published academic papers 10, presided over and studied 5 social science projects of Chongqing University of Posts and Telecommunications, and won the excellent youth league cadres in Chongqing.