评分3星,满分5星

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

这个评论是针对附加组件的一个早期版本的(3.5.1)。 

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.