关于Unity3d 5.0 打包的问题（求解）

哪位大神unity打包的时候有没有遇到过这个问题
Error building Player: CommandInvokationFailure: Unable to convert classes into dex format. See the Console for details.
C:/Program Files/Java2/jdk1.8.0_25\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="D:/Android/64/sdk\tools" -Dfile.encoding=UTF8 -jar "D:/unityproject/Unity/Editor/Data/BuildTargetTools/AndroidPlayer\sdktools.jar" -
stderr[
UNEXPECTED TOP-LEVEL EXCEPTION:
java.lang.IllegalArgumentException: already added: Lcom/winnergame/xkts/R$attr;
at com.android.dx.dex.file.ClassDefsSection.add(ClassDefsSection.java:122)
at com.android.dx.dex.file.DexFile.add(DexFile.java:161)
at com.android.dx.command.dexer.Main.processClass(Main.java:732)
at com.android.dx.command.dexer.Main.processFileBytes(Main.java:673)
at com.android.dx.command.dexer.Main.access$300(Main.java:83)
at com.android.dx.command.dexer.Main$1.processFileBytes(Main.java:602)
at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284)
at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)
at com.android.dx.cf.direct.ClassPathOpener.processDirectory(ClassPathOpener.java:229)
at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:158)
at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)
at com.android.dx.command.dexer.Main.processOne(Main.java:632)
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:510)
at com.android.dx.command.dexer.Main.runMonoDex(Main.java:280)
at com.android.dx.command.dexer.Main.run(Main.java:246)
at com.android.dx.command.dexer.Main.main(Main.java:215)
at com.android.dx.command.Main.main(Main.java:106)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at SDKMain.main(SDKMain.java:129)
1 error; aborting
]
stdout[
processing archive bin\classes.jar...
processing com/unity3d/player/a$1.class...
processing com/unity3d/player/a$2.class...
processing com/unity3d/player/a$a.class...
processing com/unity3d/player/a.class...
processing com/unity3d/player/b$1.class...
processing com/unity3d/player/b$2.class...
processing com/unity3d/player/b.class...
processing com/unity3d/player/c.class...
processing com/unity3d/player/d$1.class...
processing com/unity3d/player/d$2.class...
processing com/unity3d/player/d.class...
processing com/unity3d/player/e.class...
processing com/unity3d/player/f.class...
processing com/unity3d/player/g.class...
processing com/unity3d/player/h.class...
processing com/unity3d/player/i.class...
processing com/unity3d/player/j$1.class...
processing com/unity3d/player/j$2$1$1.class...
processing com/unity3d/player/j$2$1.class...
processing com/unity3d/player/j$2.class...
processing com/unity3d/player/j.class...
processing com/unity3d/player/k$1.class...
processing com/unity3d/player/k.class...
processing com/unity3d/player/l.class...
processing com/unity3d/player/m.class...
processing com/unity3d/player/n$1.class...
processing com/unity3d/player/n.class...
processing com/unity3d/player/NativeLoader.class...
processing com/unity3d/player/o.class...
processing com/unity3d/player/ReflectionHelper$1.class...
processing com/unity3d/player/ReflectionHelper$a.class...
processing com/unity3d/player/ReflectionHelper.class...
processing com/unity3d/player/p.class...
processing com/unity3d/player/q$1.class...
processing com/unity3d/player/q$2.class...
processing com/unity3d/player/q$3.class...
processing com/unity3d/player/q.class...
processing com/unity3d/player/r.class...
processing com/unity3d/player/s.class...
processing com/unity3d/player/UnityPlayer$1.class...
processing com/unity3d/player/UnityPlayer$2.class...
processing com/unity3d/player/UnityPlayer$3.class...
processing com/unity3d/player/UnityPlayer$4.class...
processing com/unity3d/player/UnityPlayer$5.class...
processing com/unity3d/player/UnityPlayer$6.class...
processing com/unity3d/player/UnityPlayer$7.class...
processing com/unity3d/player/UnityPlayer$8.class...
processing com/unity3d/player/UnityPlayer$9.class...
processing com/unity3d/player/UnityPlayer$10.class...
processing com/unity3d/player/UnityPlayer$11.class...
processing com/unity3d/player/UnityPlayer$12$1.class...
processing com/unity3d/player/UnityPlayer$12.class...
processing com/unity3d/player/UnityPlayer$13.class...
processing com/unity3d/player/UnityPlayer$14.class...
processing com/unity3d/player/UnityPlayer$15.class...
processing com/unity3d/player/UnityPlayer$16.class...
processing com/unity3d/player/UnityPlayer$17.class...
processing com/unity3d/player/UnityPlayer$18.class...
processing com/unity3d/player/UnityPlayer$a.class...
processing com/unity3d/player/UnityPlayer$b.class...
processing com/unity3d/player/UnityPlayer$c.class...
processing com/unity3d/player/UnityPlayer.class...
processing com/unity3d/player/UnityPlayerActivity.class...
processing com/unity3d/player/UnityPlayerNativeActivity.class...
processing com/unity3d/player/UnityPlayerProxyActivity.class...
processing com/unity3d/player/t.class...
processing com/unity3d/player/u$1.class...
processing com/unity3d/player/u.class...
processing com/unity3d/player/http://WWW.class...
processing org/fmod/FMODAudioDevice$a.class...
processing org/fmod/FMODAudioDevice.class...
processing org/fmod/a.class...
processing bitter/jnibridge/JNIBridge$a.class...
processing bitter/jnibridge/JNIBridge.class...
processing bin\classes\.\com\winnergame\xkts\R$attr.class...
processing bin\classes\.\com\winnergame\xkts\R$dimen.class...
processing bin\classes\.\com\winnergame\xkts\R$drawable.class...
processing bin\classes\.\com\winnergame\xkts\R$layout.class...
processing bin\classes\.\com\winnergame\xkts\R$string.class...
processing bin\classes\.\com\winnergame\xkts\R$style.class...
processing bin\classes\.\com\winnergame\xkts\R.class...
processing archive plugins\.\tsxk4.jar...
ignored resource META-INF/MANIFEST.MF
ignored resource bin/AndroidManifest.xml
ignored resource bin/R.txt
ignored resource bin/jarlist.cache
ignored resource bin/plugintest.jar
ignored resource bin/res/crunch/drawable-hdpi/ic_launcher.png
ignored resource bin/res/crunch/drawable-mdpi/ic_launcher.png
ignored resource bin/res/crunch/drawable-xhdpi/ic_launcher.png
ignored resource bin/res/crunch/drawable-xxhdpi/ic_launcher.png
ignored resource proguard-project.txt
ignored resource AndroidManifest.xml
ignored resource libs/android-support-v4.jar
ignored resource libs/classes.jar
processing com/winnergame/xkts/BuildConfig.class...
processing com/winnergame/xkts/R$attr.class...
]
试了好多种方法发现：在没有调用android的jar的时候是可以打包的，接入后就大不了包了，而且一直在报这个错误，
急求解决，