How to update a podcast's RSS feed url?

The RSS feed is the single source of truth of a podcast. If you see a podcast has outdated contents or unplayable audios, it's likely that the RSS feed of this podcast is broken and you can fix it by simply adding the latest valid RSS feed.

First, search the podcast name on Listen Notes:

Second, go to the podcast page:

Then, go to the EDIT tab and put the new RSS feed url there: