 In 782, with his losses mounting, his own officer Wang Wujun killed him and submitted to the imperial government.It is not known when Li Weiyue was born.He was not Li Baochen's oldest son — as his half-brother Li Weicheng (李惟誠) was older than he was — but as Li Weiyue was born of Li Baochen's wife and Li Weicheng was not, Li Weiyue was considered Li Baochen's proper heir.