Version 2.5.4

new features

Grades
1. Date refinement function has been added.

functional improvement

Grades
1. The default results displayed in the results list screen has been changed from all results to one week's results.

Bug Fixes

Learn Contents
1.Solved the problem that the download materials can not be downloaded when using safari on iPhone/iPad.
2. Resolved the issue where all downloads would fail when downloading materials in succession.