《明史·列传·卷九十三》
皇帝因京营事重，改协理为阅视，将京营交给懂得军事的大臣，遂以左都御史召还任职。
帝以京营事重，更协理为阅视，令付大臣知兵者，遂以左都御史召还，任之。
As the Beijing military affairs were of great importance, the emperor changed the coordination management to supervision and put the Beijing military affairs under the control of officials experienced in military affairs, so he recalled Cao Bangfu to hold this post.