Hi @Gosen Gao ,
I am not able to leave comments. I have no button to edit my original posts.
When trying to leave a comment, I get redirected to a "Page not found", "The page you were trying to reach was not found on this TeamHub server. If you feel you're seeing this page in error, please contact the site administrators.".
I tried different browsers, computers even few accounts - always the same.
I suspect I've encountered some bug as the UI also seems to be corrupted: