《三国志·吴书·张顾诸葛步传》
刘备溃败后，零陵、桂阳等郡仍然扰动不安，处处行军遇阻，步騭辗转征讨，都平定了。
备既败绩，而零、桂诸郡犹相惊扰，处处阻兵；骘周旋征讨，皆平之。
After Liu Bei's defeat, the counties of Lingling, Guiyang, etc. were still disturbed, and every military operation encountered obstacles. Bu Zhi fought back and forth and pacified them all.