《明史·志·卷六十五》
当初，太祖攻取婺州，挑选有钱人家子弟充当值勤的卫士，称作御中军。
初，太祖取婺州，选富民子弟充宿卫，曰御中军。
In the beginning, when the first emperor captured Wuzhou, he selected children from wealthy families to serve as guards and called them the Imperial Central Army.