《晋书·帝纪·第八章》
秋七月，苻坚军援将领张平率领并州人马投降，便任命张平为并州刺史。
秋七月，苻坚将张平以并州降，遂以为并州刺史。
In the seventh month of autumn, Zhang Ping, a general who had aided the army of Fu Jian, surrendered with his troops from Bingzhou, and was appointed the Assistant Prefect of Bingzhou.