《资治通鉴·汉纪·汉纪四十六》
匈奴、乌桓烧度辽将军门，引屯赤坑，烟火相望，兵众大恐，各欲亡去。
匈奴、乌桓烧度辽将军门，引屯赤阬，烟火相望。兵众大恐，各欲亡去。
The Xiongnu and Wuhuan burned the gate of the General Who Sweeps the Distant Lands, and led the encampment at Chikeng, the smoke and fire could be seen from a great distance, causing great fear amongst the soldiers who all wanted to flee and disperse.