Thanks.It is the difference of NCHW & NHWC that is related to this problem.But I wonder why it throws an error,rather than an exception.So now my problem solved.
Another problem is that I met problems on Android platform when I changed the version of nd4j ,datavec or dl4j to beta7,it throws UnsatifiedLinked error about c++shared.So I changed back the version to beta6.
Thanks.