《明史·列传·卷二百一十七》
贼人于是逃走，又与瓦剌部互相攻打，因力量不敌瓦剌，便移文书给边关大臣向朝廷求和，彭泽等人便停止西征。
先后命指挥白全、都指挥桑斌等使其国。
The rebels then fled and fought against the Wala tribe. Because they were no match for the Wala tribe, they sent documents to the border officials asking the imperial court for peace. Peng Ze and the others then stopped their expedition to the west.