突然想到一个问题，2.5 flash image叫nb，3flash image叫nb pro 
那3.1flash image甚至3.5 4.0的呢 
nb pro plus? 
nb ultra? 
nb max? 
nb super? 
nb extra? 
nb ultimate? 
NanoBanana -SUPER ULTIMATE AMAZING AWESOME PRO MAX EXTRA VERSION-