Get Mystery Box with random crypto!

Credit: #takagen99 Commit: 401d9e2d7212ee4ca2d15b037874e0c3175 | 好软分享

Credit: #takagen99
Commit: 401d9e2d7212ee4ca2d15b037874e0c3175e3b06
Changelog:
add an experiment future, default enable, you can disable in setting
add if statement to avoid print exception
clarify jar load error toast