When `@` someone, markdown render error

[kumfo]

Describe the bug

When I @someone in comment, the generated hyperlink is not parseable properly.

To Reproduce

the post data like:

[@someone](/u/someone)

but the result is:

<a>@someone</a>

Expected behavior

result must be:

<a href="/u/someone">@someone</a>

Screenshots

[sy-records]

Can you assign this to me?