Mezue ahịrịokwu na-esonụ: N'afọ 1381, a họpụtara Lan Yu ka ọ bụrụ "Onye isi oche aka ekpe nke meriri ndịda" () wee soro Fu Youde gaa
ịwakpo Yunnan ma mee ka udo dị n'ógbè ahụ. E ji ọka "dan" 500 kwụọ ya ụgwọ ma nye nwa ya nwanyị aha "Princess Consort of Shu" (). Na 1387, Nahachu () nke Northern Yuan wakporo Liaodong na Hongwu Emperor zigara Feng Sheng, ya na Lan Yu na Fu Youde dị ka ndị nnọchi anya aka nri ya na aka ekpe ya, yana ndị agha 200,000 iji wakpo ya. E meriri Nahachu ma nyefee ya onwe ya. Lan Yu debere ndị agha na Jizhou ().