How long did Fan Ye stay in Zixing?

In the novel Covering the Sky, Fan Ye stayed in Zixing for thirty years. In order to strengthen my strength and rescue my mother, I came to Guxing, Wei Zi. Covering the Sun is a classic Xian Xia online novel created by writer Chen Dong, which was serialized at the beginning on 201010/4. This paper tells the story of nine dragon bodies holding a bronze coffin in the cold and dark depths of the universe captured by a space probe in the dead universe.