On July 18, 2020, the sub-forum of the School of Physics and Electronics of Henan University International Young Scholars (Postdoctoral) Forum 2020 was held online and offline simultaneously. Six young talents from home and abroad participated in the online forum. On-site participants included Professor Bai Ying, vice dean of the School of Physics and Electronics, and some academic committee members and department teacher representatives. Nearly fifty teachers and graduate students listened to the academic report of the sub-forum through video conference.