markdown not render when file name contain chinese

Summary

markdown not render when file name contain chinese

Steps to reproduce

create a file, name it as 中文.md. commit it. when view it, it'll show "Error loading viewer"

Example Project

https://gitlab.com/abccbaandy/bug-report/blob/master/%E4%B8%AD%E6%96%87.md

What is the current bug behavior?

it can't render anything when file name contain chinese, it just keep show "loading" icon

What is the expected correct behavior?

it should render the markdown.

Output of checks

This bug happens on GitLab.com