Sk Ji zhi juvenile Kun has left. Bao Kun, Ph.D. in Physics, Cornell University, USA, special scientific adviser to CCTV, Dragon TV and Shanghai Education Channel, and columnist of People's Daily Overseas Edition. Participated in various educational science programs, such as CCTV 1 Youth Representative, SK Science Judge, 100,000 Why Science Judges, the captain of the doctoral team of Ultimate Brain, the national champion of Love is China, the goalkeeper of open sesame, and the youth representative of Revelation of Chinese Businessmen. As of September 2022, 13 has not participated in any variety show.