評分: 3 / 5 顆星

When I click "install in Thunderbird" nothing happens
No error, but no add-on in the installed list as well

此意見為舊版本 (3.5.1) 的附加元件。 

That sounds like an addons site problem, but I can maybe help pin it down if you email me. Please raise issues via github, though, and not the ratings mechanism, I don't always see these.