更新于2016年10月29日
Update 1.5.4 brings the brightest of Lighthouse.
The new Instant Answer brings you answers when you need them. The personalized quiz function helps you to test yourself with topics that might interest you, your strong topics and weaker ones. The newly redesigned MCQ page is beautiful and practical. Don't forget to check out the new notes format and the large numbers of new content.
And, it's still offline.
