proguard混淆#unexpectedclass warning

新手,不知道什么错误

ProGuard, version 6.0.3
Reading program jar [F:\c.jar]
Warning: class [Test$Bomber.class] unexpectedly contains class [proguard.Test$Bomber]
Warning: class [Test$Flight.class] unexpectedly contains class [proguard.Test$Flight]
Warning: class [Test.class] unexpectedly contains class [proguard.Test]

Reading library jar [C:\Program Files\Java\jdk1.8.0_141\jre\lib\rt.jar]
Warning: there were 3 classes in incorrectly named files.
You should make sure all file names correspond to their class names.
The directory hierarchies must correspond to the package hierarchies.
(http://proguard.sourceforge.net/manual/troubleshooting.html#unexpectedclass)
If you don't mind the mentioned classes not being written out,
you could try your luck using the '-ignorewarnings' option.
Please correct the above warnings first.

https://blog.csdn.net/offbye/article/details/9310067