The group meeting of Week 7 of Magic Lab was successfully held in Room 436, Tongda Building, Tongji University at 18:00 on October 26, 2020, which was broadcast live on the Internet platform. Weiguo Shi gave a report on the topic of “Intersection signal control diagnosis and optimization”. Jingting Yu reported titled “Research on coordinated control method of prevention of group overflow at main road intersections”. Participants in this report included Professor Kun An, Assistant Professor Ling Wang, Assistant researcher Chunhui Yu, and other members of MAGIC Lab.