《旧唐书·列传·卷四》
窦建德却乘其不备返回平原县，收拾跟随高士达战死者的遗体，都掩埋好，还为高士达举行葬礼，全军穿起白色的丧服。
建德复还平原，收士达败兵之死者，悉收葬焉。为士达发丧，三军皆缟素。
However, Dou Jiande returned to Pingyuan County when he was not prepared, and he rearranged the remains of those who died with Gaoshi Da, all buried them, and he also held a funeral for Gaoshi Da. The entire army was dressed in white mourning attire.