《明史·列传·卷一百七十六》
在调任考功员外郎期间，立 岁终考察群吏法 。他说 ：外官三年一察，京官六年一察，武官五年一察，无一例外。 
寻移考功员外郎，立岁终考察群吏法，言： 外官三岁一察，京官六岁，武官五岁，此曹安得独免？ 
During the transfer to yamen of the ministry of official, she established the method to examine the group of officials at the end of year. He said that foreign officials should be inspected every three years, Beijing officials every six years, and military officials every five years, without exception.