《明史·列传·卷一百六十》
九月，承畴、变蛟等率领所有的骑兵和步兵想突围出去，失败而回。
九月，承畴、变蛟等尽出城中马步兵，欲突围出，败还。
In September, Chéng Chóu and Biàn Jiāo, and many others led their entire cavalry and infantry to try to break out of the siege, but failed and returned.