What does it mean to punish the third prince of Dragon Palace?

Punish the Third Prince of Dragon Palace (Ao Lie) in time. According to the question and answer of Query 360, he set fire to the pearls given by the Jade Emperor, breaking the dogma. Later, he was spared the death penalty because of the appearance of Guanyin Bodhisattva in the South China Sea. He was exiled to Snake Mountain and waited for Tang Yan to study the scriptures. Later, I ate the white horse I rode by mistake, and was enlightened by the Bodhisattva and turned into white.