Please do not use zh-cn

You do not appear to have read my reply to your request for access rights. Please read it.

Hello? Are you reading this? If not, I might have to block you for a few minutes to get your attention...

What should I use ? The zh-hans?

Please do. All but two of the translations you made so far are in there already :(. Sorry that I spotted it only after you made 100+ contributions.