Caffe compile error

[nerddd]

In file included from src/caffe/layers/cudnn_bn_layer.cpp:8:0:
./include/caffe/layers/cudnn_bn_layer.hpp:21:36: error: expected template-name before ‘<’ token
 class CuDNNBNLayer : public BNLayer<Dtype> {
                                    ^
./include/caffe/layers/cudnn_bn_layer.hpp:21:36: error: expected ‘{’ before ‘<’ token
./include/caffe/layers/cudnn_bn_layer.hpp:21:36: error: expected unqualified-id before ‘<’ token
src/caffe/layers/cudnn_bn_layer.cpp:16:38: error: invalid use of incomplete type ‘class caffe::CuDNNBNLayer<Dtype>’
       const vector<Blob<Dtype>*>& top) {
                                      ^
In file included from src/caffe/layers/cudnn_bn_layer.cpp:8:0:
./include/caffe/layers/cudnn_bn_layer.hpp:21:7: error: declaration of ‘class caffe::CuDNNBNLayer<Dtype>’
 class CuDNNBNLayer : public BNLayer<Dtype> {
       ^
src/caffe/layers/cudnn_bn_layer.cpp:33:38: error: invalid use of incomplete type ‘class caffe::CuDNNBNLayer<Dtype>’
       const vector<Blob<Dtype>*>& top) {
                                      ^
In file included from src/caffe/layers/cudnn_bn_layer.cpp:8:0:
./include/caffe/layers/cudnn_bn_layer.hpp:21:7: error: declaration of ‘class caffe::CuDNNBNLayer<Dtype>’
 class CuDNNBNLayer : public BNLayer<Dtype> {
       ^
src/caffe/layers/cudnn_bn_layer.cpp:67:36: error: invalid use of incomplete type ‘class caffe::CuDNNBNLayer<Dtype>’
 CuDNNBNLayer<Dtype>::~CuDNNBNLayer() {
                                    ^
In file included from src/caffe/layers/cudnn_bn_layer.cpp:8:0:
./include/caffe/layers/cudnn_bn_layer.hpp:21:7: error: declaration of ‘class caffe::CuDNNBNLayer<Dtype>’
 class CuDNNBNLayer : public BNLayer<Dtype> {
       ^
In file included from ./include/caffe/blob.hpp:8:0,
                 from ./include/caffe/layers/cudnn_bn_layer.hpp:6,
                 from src/caffe/layers/cudnn_bn_layer.cpp:8:
src/caffe/layers/cudnn_bn_layer.cpp:77:19: error: explicit instantiation of ‘class caffe::CuDNNBNLayer<float>’ before definition of template
 INSTANTIATE_CLASS(CuDNNBNLayer);
                   ^
./include/caffe/common.hpp:43:18: note: in definition of macro ‘INSTANTIATE_CLASS’
   template class classname<float>; \
                  ^
src/caffe/layers/cudnn_bn_layer.cpp:77:19: error: explicit instantiation of ‘class caffe::CuDNNBNLayer<double>’ before definition of template
 INSTANTIATE_CLASS(CuDNNBNLayer);
                   ^
./include/caffe/common.hpp:44:18: note: in definition of macro ‘INSTANTIATE_CLASS’
   template class classname<double>
                  ^
make: *** [.build_release/src/caffe/layers/cudnn_bn_layer.o] 错误 1