《金史·列传·卷五十》
恒山公的一支军队被三千突骑所冲击，兵士们拼死作战，北军的骑兵退去，金兵去追击奔跑之时，忽然大雾满天，两行省命令收军。
恒山一军为突骑三千所冲，军殊死斗，北骑退走。追奔之际，忽大雾四塞，两省命收军。
An army of Hengshan Gong was attacked by 3,000 cavalry. The soldiers fought desperately. The northern cavalry retreated. When the Jin soldiers pursued and ran, a thick fog suddenly filled the sky, and the two provinces ordered the troops to withdraw.