Pedzisa mutsara unotevera: Muna 1381, Lan Yu akagadzwa kuva "Mutevedzeri Wemasimba Ose Anokunda Maodzanyemba" () uye akaperekedza Fu Youde ku
kurwisa Yunnan uye kunyaradza nharaunda yacho. Akapiwa "dan" 500 dzezviyo uye mwanasikana wake akapiwa zita rokuti "Mwanasikana Wamambo waShu" (). Muna 1387, Nahachu () weNorthern Yuan akapinda muLiaodong uye Hongwu Emperor akatumira Feng Sheng, naLan Yu naFu Youde sevamiriri vake vekurudyi nekuruboshwe, pamwe neuto revarume zviuru mazana maviri kuti vamurwise. Nahachu akakurirwa uye akazviisa pasi. Lan Yu akaisa varwi paJizhou ().