diff --git a/paddle/framework/CMakeLists.txt b/paddle/framework/CMakeLists.txt
index 74937b2b710412ad3e4c45b5147474220cd9f771..d018ee50c0de446d81191384b2c5f74714554dc4 100644
--- a/paddle/framework/CMakeLists.txt
+++ b/paddle/framework/CMakeLists.txt
@@ -29,4 +29,4 @@ add_dependencies(framework_py_proto framework_py_proto_init)
 proto_library(net_proto SRCS net_proto.proto DEPS op_proto)
 # cc_library(net SRCS net.cc DEPS operator net_proto op_registry fc_op)
 cc_library(net SRCS net.cc DEPS operator net_proto op_registry)
-cc_test(net_op_test SRCS net_op_test.cc DEPS net)
+cc_test(net_op_test SRCS net_op_test.cc DEPS net my_fc_op)
diff --git a/paddle/framework/net.cc b/paddle/framework/net.cc
index 2abc5d341769a7f9c3acc570b8c5e01c37f1454c..bb02dcbcee03e29892a8c10c8127ca120e2eecc1 100644
--- a/paddle/framework/net.cc
+++ b/paddle/framework/net.cc
@@ -21,10 +21,9 @@ namespace paddle {
 namespace framework {
 
 std::shared_ptr<PlainNet> AddBackwardOp(std::shared_ptr<PlainNet> ForwardOps) {
-  // NetPtr->reset(new PlainNet);
-  // NetPtr grad_ops = new PlainNet;
-  std::shared_ptr<PlainNet> grad_ops;
-  grad_ops.reset(new PlainNet);
+  auto grad_ops = std::make_shared<PlainNet>();
+  // std::shared_ptr<PlainNet> grad_ops;
+  // grad_ops.reset(new PlainNet);
   for (auto& op : ForwardOps->ops_) {
     auto op_grad = OpRegistry::CreateGradOp(op);
     grad_ops->AddOp(op_grad);