不好意思,是由于以下设置引起的 Rated 5 out of 5 stars

browser.tabs.remote.force-enable 为 true

This review is for a previous version of the add-on (1.2.7.2). 

在最新版的firefox 47 不能截图,请作者更新 Rated 5 out of 5 stars

选择 截取网页选定区域 后,用鼠标选好区域,不能截图,按任何快捷键也无效。

This review is for a previous version of the add-on (1.2.7.2). 

Can not be saved as image in firefox 36 Rated 5 out of 5 stars

Can not be saved as image in firefox 36.
Please update your extension.

This review is for a previous version of the add-on (1.2.3.1-signed). 

非常好的扩展!但问什么不能给FTP站点的网页截图呢? Rated 5 out of 5 stars

虽然很少会对FTP站点的网页进行截图,但没有这个功能应该也是个缺陷吧。

This review is for a previous version of the add-on (0.3.2.2.1-signed).