《魏书·列传·卷七十》
又令常景出塞，经瓮山，临翰海，让他宣诏召大军回朝。
乃令景出塞，经瓫山，临瀚海，宣敕勒众而返。
The emperor also sent Chang Jing to go outside the frontier, pass through Weng Mountain, and come to Hanhai Lake, where he would proclaim the emperor's edict and summon the army back to the capital.