How did the fulcrum in Wei Zifu die?

Ai Shu, who appeared in the TV series Wei Zifu, does not exist in history, but is a fictional character because of the need of the plot. Because of her outstanding talent, Tian fen was abandoned for fear of being difficult to control in the future, and was later used by Princess Guantao. In order to avenge the witch Chu Fu, she trained her adopted daughter Li Furen and taught her to capture the emperor's heart with beauty, dancing and body fragrance, but in the end the fulcrum of love ended in tragedy. Wu Chufu was beheaded by Emperor Wu of the Han Dynasty for poisoning Wei Zifu. Aishu vowed to avenge her father Chu! Wei Zifu Aishu is played by Miao Haojun.