Jiacai Liu, male, doctor, associate professor, doctoral supervisor. He is the director of the Department of Transportation at Fujian Agriculture and Forestry University and was a visiting scholar at the University of Nottingham in the UK. His main research areas include logistics, supply chains, and game theory. He has published numerous academic papers as the first author in top international journals such as IEEE Transactions on Fuzzy Systems, Information Sciences, and Omega: The International Journal of Management Science. He has been authorized for 11 utility model patents and four computer software copyrights. He has presided over four provincial-level research projects such as the Fujian Province Soft Science Research Plan Project and seven enterprise horizontal research projects. The work he guided, "Optimization of the Bee - product Agriculture - Consumer - Connection Supply Chain with Deep Integration of 'Express Delivery + Agriculture'", won the gold medal in the national finals of the 4th (2019) National "Internet +" Express Delivery College Students' Innovation and Entrepreneurship Competition, ranking first in the "Work Process Optimization" category nationwide.