《北史·列传·卷五十》
周文帝宇文泰统率贺拔岳的军队，宇文泰与他同为乡亲，从小关系亲密，见面后极为高兴，因而派他到洛阳请示朝廷。
属周文帝已统岳兵，与信乡里，少相友善，相见甚欢，因令信人洛请事。
The Emperor of Northern Zhou, Yu Wentai, led He Ba Yue’s troops, Yu Wentai and he were fellow countrymen, since young, their relationship had been close and intimate, after meeting, they were extremely happy, so he dispatched him to Luoyang to give updates to the emperor.