《资治通鉴·晋纪·晋纪三十》
二月，平规率领博陵、武邑、长乐三个郡的部队在鲁口背叛了后燕。平规的侄儿冀州刺史平喜劝谏，平规不听。
二月，规以博陵、武邑、长乐三郡兵反于鲁口，其从子冀州刺史喜谏，不听。
In February, Pinggui led troops from the three counties of Boling, Wuyi, and Chang Le to rebel against After Yan in Lukou. Pinggui's nephew, Pingxi, the prefect of Jizhou, advised him, but Pinggui didn't listen.