Which one is more difficult, the Green Cloud system or the WestSoft system?

It’s not more difficult than Opera. After all, it was developed by the Chinese and the localization is done very well.

Green Cloud is the R&D team that originally founded Xisoft and came out to re-develop the first cloud PMS in China after 2010. The logic of the basic functions is the same (it is originally a research and development team, and besides, it is all imitated according to Opera). Another point is that Opera's general agent in mainland China has been handed over to Luyun, which means that Luyun has two cards in hand, and can continue to steal Opera's example and achieve localization.