《北史·列传·卷八十六》
被发觉，大那等人来投北魏，让大那做冠军将军、西平侯，悦代做越骑校尉、易阳子。
发觉，大那等来奔，以大那为冠军将军、西平侯，悦代为越骑校尉、易阳子。
It was discovered, and Da Na and others came to surrender to Northern Wei, making Da Na the Champion General and Marquis of Xiping, and Yue Dai the Cavalier Captain and Viscount of Yuyang.