《三国志·蜀书·刘彭廖李刘魏杨传》
建兴三年，丞相诸葛亮任用他为参军，主管相府事宜，准备南征。
建兴三年，丞相亮以为参军，署府事，将南行。
In the third year of Jianxing, Prime Minister Zhuge Liang appointed him as a strategist to oversee the affairs of the palace and prepare for the southern expedition.