《资治通鉴·梁纪·梁纪十九》
当时正逢久雨成灾，从秋天到冬天，西魏军队中的战马死了不少，于是只好从蒲坂撤退。
会久雨，自秋及冬，魏军畜产多死，乃自蒲阪还。
At that time, there was a long drought that caused a disaster. From autumn to winter, many war horses in the Western Wei Dynasty died, so they had no choice but to retreat from Puban.