v7.4

1.change api
2.fix bug

v6.10

change api

v7.3

fix bug

v7.1

fix bugs

v7.0

New reading experience.

v6.9

fix Compatibility

v6.8

1.Optimize login prompts.
2.Support for 2020.2+ provided JCEF.
3.fix submission.

v6.7

1.optimize solution view.
2.Added support for multiple submission ranges.
3.pin day question.

v6.6

1.Fix icon compatibility

v6.5

1.Change the icon
2.Add positioning function
3.Add running errors increase the print test case
4.Add current time function
5.Add show likes dislikes
6.Add screening criteria
7.Fix explore question