《智囊(选录)·兵智部·吴玠 吴磷》
如果有人受伤，就要更代，以鼓声为信号进行更代，这时两翼的骑兵都要上前掩护。
伤则更代之，遇更代则以鼓为节。
If someone is injured, they must be replaced, with the sound of drums as the signal for replacement, and at this time the cavalry on both wings must step forward to cover.