《太平广记·卷十二·神仙十二》
就从太学回到家乡，专门侍奉蓟子训，为他扫庭院跑腿效劳，这样干了好几百天。
便归事子训，洒扫供侍左右数百日。
He left the Imperial University and returned to his hometown, where he dedicated himself to serving Ji Zitun, sweeping the courtyard and running errands for him. He did this for several hundred days.