Support Chinese title as page anchor.

[Flcwl]

Is your feature request related to a problem? Please describe.

Now only support [a-zA-Z0-9] match title as anchor. It's so bad performance in others languages, such as Chinese.

Describe the solution you'd like

I hope the id and the href in picture to be Chinese as same as title in page.

Describe alternatives you've considered

No response

Are you able to assist to bring the feature to reality?

yes, I can

Additional context

No response