《旧唐书·本纪·卷十九》
庞勋仗着他这次突然的胜利，派人向皇帝送上表章，语气很不恭敬。又送信给康承训指责朝政。
庞勋恃其骤胜，遣人上表，词语不恭，又与康承训书，指斥朝政。
Pang Xun was proud of his sudden victory and sent a memorial to the emperor in disrespectful language. He also sent a letter to Kang Chengxun criticizing the court's policies.