应用在使用cocos run -p android 进行打包时报下面的错误,求解决啊

错误代码如下:
BUILD FAILED
D:\adt-bumdle-windows-x86_64-20140321\sdk\tools\ant\build.xml:892: The following error occurred while executing this line:
D:\adt-bumdle-windows-x86_64-20140321\sdk\tools\ant\build.xml:894: The following error occurred while executing this line:
D:\adt-bumdle-windows-x86_64-20140321\sdk\tools\ant\build.xml:906: The following error occurred while executing this line:
D:\adt-bumdle-windows-x86_64-20140321\sdk\tools\ant\build.xml:284: null returned: 2

Total time:10 seconds
Error running command,return code: 1

我直接创建一个新的lua项目也报这个错误,是不是要改什么地方才能打包,新人求赐教