As Li Zi was Emperor Xuānzong's favorite son, Emperor Xuānzong repeatedly considered creating him crown prince, but as Li Zi was not the oldest son, he hesitated, and went throughout his reign without designating an heir.
After Emperor Yizong took the throne, the institution of having Zheng Zhang and Li Ye attend to Li Zi's studies was discontinued, although Li Zi appeared to have suffered no other reprisal.