Si Lili was hit by Fan Xian.
Si Lili was an important character in the original novel of " Celebrating Years ". She was a descendant of the Qing royal family, and her grandfather was once a strong competitor for the throne. In the process of escaping, Si Lili's father died, and she and her brother were forced into exile. In the end, she settled down in Northern Qi and grew up with the Northern Qi Emperor and Haitang Duoduo. Si Lili's true identity was the granddaughter of the Qing Prince. For revenge, she had become a spy Northern Qi had placed in Jingdou. However, in the end, Si Lili was arrested. Fan Xian was one of the people closest to her. As for Si Lili's ending in the original novel, there was no clear answer in the information given.
In the original novel," Celebrating Years," Si Lili's ending was to marry the Northern Qi Emperor, Zhan Doudou, and become the Northern Qi Imperial Consort. She and the Northern Qi Emperor had a daughter named Red Bean Rice. In the movie, Si Lili experienced the entanglement of revenge and love. In the end, she chose to protect the interests of Zhan Doudou and Northern Qi and married Zhan Doudou.