From October 31 to November 3, the final round of the 19th "Challenge Cup" National College Student Extracurricular Academic Science and Technology Works Contest was successfully held at Nanjing University. The contest was jointly organized by the Central Committee of the Communist Youth League, the China Association for Science and Technology, the Ministry of Education, the Chinese Academy of Social Sciences, the Chinese Academy of Engineering, the All-China Students' Federation, and the Jiangsu Provincial People's Government. The project from our school, titled "Urban Traffic Congestion Monitoring and Control Integrated Platform Based on Spatiotemporal Causal Mechanisms," won the National First Prize in the "Artificial Intelligence+" Special Competition.