No Sidebar Rated 2 out of 5 stars

Sidebar is empty in version 2.8.1 (no contents / no index).

This review is for a previous version of the add-on (2.8.1). 

Fixed in 2.9

Fixed in 2.9 which currently in the process of reviewing and could be found here https://addons.mozilla.org/zh-cn/firefox/addon/chmfox/versions/