《资治通鉴·汉纪·汉纪四十六》
单匡害怕河南尹杨秉穷追这件事的来龙去脉，秘密命令任方等越狱逃跑。
匡虑杨秉穷竟其事，密令方等突狱亡走。
Shan Kuang was afraid that Governor of Henan Yang Bing would pursue the ins and outs of this matter, so he secretly ordered Ren Fang and others to escape from prison.