Ha just didn't have an online studio. Online studios are all fake. Director Ha Gang comes from a family of traditional Chinese medicine, and his parents are both famous experts in traditional Chinese medicine. On February 23rd, 2023, "Chen Tong Yunmenren (Hagang) Heritage Workstation" was officially listed in Beijing Pingxintang Chinese Medicine Clinic according to the wishes of Chen Tongyun, a master of Chinese medicine. It's an offline studio, but there is no online studio in Harbin.