Non-Latin Character Slug Not showing correctly

Hi,

I wonder if anyone has had similar problem.
My site is multilingual and supports Russian, Chinese, Japanese besides English.
And the problem is that if a page or post or buddypress group (or perhaps anything) has a slug that ‘s written in any of the above non English languages. e.g.
https://my-domain.com/cn/中文链接/
The URL can not be refreshed in chrome/firefox, meaning
If you copy and paste this link to chrome/firefox , it will not work. However , if you copy it to IE, it will be converted to something like the following:
https://my-domain/cn/%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D1%8B/
and start working.
And in the database table, the link is also stored in the same form as the above.

I know it’s something with the browser, but is there anyway to handle it so that the link will work in all those browsers.

Thanks a lot!