No prototype. In the TV series My Hometown of Shanxi-Chahar-Hebei, the protagonist Geng Sanqi is a clerk in a mountain products store in Baoding, and there is no such figure in history. He is a character created by a lot of interviews during the writers' week, and he has collected some prototypes of historical figures. No prototype. "My Hometown of Shanxi-Chahar-Hebei" mainly talks about the beginning of Pingxingguan Victory and the end of founding ceremony Drama.