1.0.4
2022-07-26
1. Fixed bugs, updated the errata in the book, and improved performance;
2. Added backend support for new PDF books updating;
1.0.3
2022-07-20
1. Fixed bugs;
2. Add books in the list;
1.0.2
2021-07-18
1. Fixed bugs and updated content;
2. Add speech recognition features for Chinese language to test writing content in. oral;