Professor Li Shan from Beijing Normal University is a guest of CCTV lecture room, telling the audience about the five tyrants in the Spring and Autumn Period. In the fourteenth episode of Stealing Chicken and Eating Rice, Professor Li said: "The candle will retreat from Qin Shi", and the three generals will be Zheng Shoucheng. Professor Li pronounced the word "every grandson" as f6ng, which is incorrect. "Wind" is a disyllabic word. At first reading, f' ng is often used as a verb, meaning "meet", "meet" and "please". In ancient books, when "Feng" is taken as the surname, it is pronounced as p6ng. "It is a compound surname, and its" abundance "is the same as that of a single surname. By the way, as a surname, "Feng" was later written as "Feng" and also pronounced Pong. Li Shan, a professor at @ Beijing Normal University, was a guest of CCTV lecture room, telling the audience about the Five Overlords in the Spring and Autumn Period. In the fourteenth episode "Stealing Chicken to Eat Rice", Professor Li has a sentence like this: "Candles are used to return Qin's family."