《宋史·本纪·卷十五》
二十一日，郭连在富良江打败交趾军队，俘获交趾伪太子洪真，李乾德派人奉降表到军营投降，郭连于是班师。
癸卯，郭逵败交阯于富良江，获其伪太子洪真，李乾德遣人奉表诣军门降，逵遂班师。
On the 21st, Guo Lian defeated the Jiao Zhi troops at the Fuliang River and captured Hong Zhen, the fake crown prince of Jiaozhi. Li Qande sent someone to pay homage to the camp and surrender. Guo Lian then withdrew his troops.