Unable to unpack bundle

[zhuxianzhi]

When i use unity5.X ,BuildPipeline.BuildAssetBundles,unpack AssetBundle.

error

D:\disunity_v0.5.0>disunity bundle unpack battle.unity3d -o D:\disunity_v0.5.0\o
ut
[warning] BundleUnpack: Can't unpack asset bundle battle.unity3d, caused by info
.ata4.junity.bundle.BundleException: Invalid signature
at info.ata4.junity.bundle.BundleReader.read(BundleReader.java:50)
at info.ata4.disunity.cli.command.bundle.BundleUnpack.runFile(BundleUnpa
ck.java:64)
at java.util.ArrayList.forEach(Unknown Source)
at info.ata4.disunity.cli.command.FileCommand.run(FileCommand.java:32)
at info.ata4.disunity.cli.command.Command.run(Command.java:50)
at info.ata4.disunity.cli.command.Command.run(Command.java:50)
at info.ata4.disunity.cli.command.DisUnityRoot.run(DisUnityRoot.java:62)

    at info.ata4.disunity.cli.DisUnityCli.main(DisUnityCli.java:46)

Command:
D:\disunity_v0.5.0>disunity bundle unpack battle.unity3d -o D:\disunity_v0.5.0\o
ut