according to tv cat, in the "De Yun Dou Xiao She", Degang Guo and his followers twice challenged the "painting a fan" which has been sealed for nearly ten years. This scene appeared in the tidbits, but not in the feature film.
The actors of Deyun Society rehearsed drawing a fan during the preparation. The actors picked up fans and chatted while painting, showing their painting skills and sense of humor. This link not only shows the versatility of the actors, but also brings a relaxed and happy atmosphere to the audience.