When Emperor Wenzong requested the opinions of the chancellors, Li Jue opposed.
As a result, Emperor Wenzong decided to create Li Chengmei crown prince.
However, the powerful eunuchs Qiu Shiliang and Yu Hongzhi (魚弘志), who controlled the palace by that point, opposed Li Chengmei because they were not consulted before Emperor Wenzong created Li Chengmei crown prince.
[3] During the Qing dynasty, a scholar named Shen Bingzhen (沈炳震) cited some sentences from New Book of Tang that doubted whether Li Yan was the 19th son of Chengmei.
However, in the view of Shen, this was also under doubt, for it was too late for a grandson of Xuanzong to be created a prince.