[Exception Android 20] - Error:Execution failed for task ':app:processDebugResources'

Error:Execution failed for task ':app:processDebugResources'.
> com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process 'command 'D:\Android\adt-bundle-windows-x86_64-20140702\sdk\build-tools\22.0.1\aapt.exe'' finished with non-zero exit value 1

 将手机连上adb，clen，rebuild。改改相关文件。然后就好了