Found broken `/preparation-for-study/app.comflowy.com` link. Please fix!

この issue には説明がありません。

Find the broken link '/preparation-for-study/app.comflowy.com' in the repository's documentation files, likely in MDX or markdown. Search for that URL path or similar references. Once located, correct the link to point to the intended destination, which may be a relative path or a different external URL. Verify the fix by checking the documentation locally or in a preview.

索引モデルが issue の本文から書いたものです。