UTF-8 characters in links become invalid url-encode-like string after export

[jessefjxm]

I am trying site export with several chinese topic, and notice that chinese characters are mapped to some strange forms which results to invalid url. Here's what it looks like:

To the contrast, english topic works fine:

I'm using latest stable dokuwiki (Release 2020-07-29 "Hogfather", with mapache) with latest site-export (download through doku plugin manager). Running on Windows 10.

[jessefjxm]

Exported file names also works well. Only links are broken.