Kammala wannan jumlar: A cikin 1381, an nada Lan Yu a matsayin "Gwamnan Janar na Hagu Wanda Ya Ci Kudu" () kuma ya raka Fu Youde zuwa
kai hari Yunnan da kuma pacify yankin. An ba shi lada tare da "dan" 500 na hatsi kuma an ba 'yarsa taken "Princess Consort of Shu" (). A cikin 1387, Nahachu () na Arewacin Yuan ya mamaye Liaodong kuma Sarkin Hongwu ya aika da Feng Sheng, tare da Lan Yu da Fu Youde a matsayin mataimakansa na dama da na hagu, tare da rundunar mutane 200,000 don kai masa hari. Nahachu ya sha kashi kuma ya mika wuya. Lan Yu ya yi garkuwa da sojojin a Jizhou.