Thank for the update, https://support.wix.com/en/article/2017-feature-updates-4th-quarter
Wix Blog: We just added nine new languages to the blog, supporting a grand total of 26 languages. New languages include: Traditional Chinese, Indonesian Bahasa, Malay, Thai, Tagalog, Romanian, Hungarian, Bulgarian and Greek.
I can see the Traditional Chinese log in page in the blog,
i suggest Chinese log in page in member system
especially for this function
Cause there are many member in hong kong and taiwan are using wix
hope it can be update as soon as possible