diff --git a/demo/image_classification/api_v2_train.py b/demo/image_classification/api_v2_train.py
index e6e430724205754577fcc2bc1857b59fb494efec..0b4dc4d92982680a06cd95a58d3af0975e25b690 100644
--- a/demo/image_classification/api_v2_train.py
+++ b/demo/image_classification/api_v2_train.py
@@ -12,8 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License
 
-from api_v2_vgg import resnet_cifar10
-from api_v2_resnet import vgg_bn_drop
+from api_v2_vgg import vgg_bn_drop
+from api_v2_resnet import resnet_cifar10
 import paddle.v2 as paddle
 
 
diff --git a/paddle/api/GradientMachine.cpp b/paddle/api/GradientMachine.cpp
index 538ca2999f8f05afc45ac2d2f526133c8024f066..dcb5fe086fdccf8ec62ee52cbaaac4b7dbbe2f9d 100644
--- a/paddle/api/GradientMachine.cpp
+++ b/paddle/api/GradientMachine.cpp
@@ -142,6 +142,20 @@ Parameter* GradientMachine::getParameter(size_t i) throw(RangeError) {
   }
 }
 
+size_t GradientMachine::getNonStaticParameterSize() const {
+  return m->machine->getNonStaticParameters().size();
+}
+
+Parameter* GradientMachine::getNonStaticParameter(size_t i) throw(RangeError) {
+  auto params = m->machine->getNonStaticParameters();
+  if (i < params.size()) {
+    return Parameter::createFromSharedPtr(
+        &m->machine->getNonStaticParameters()[i]);
+  } else {
+    throw RangeError();
+  }
+}
+
 void GradientMachine::randParameters() { m->machine->randParameters(); }
 
 Arguments* GradientMachine::getLayerOutput(const std::string& layerName) const
diff --git a/paddle/api/PaddleAPI.h b/paddle/api/PaddleAPI.h
index 1831b8e170087c909f77948f2d9077c946c72507..764946cf5341c41a904b4c2b26b0ec804f57a2f6 100644
--- a/paddle/api/PaddleAPI.h
+++ b/paddle/api/PaddleAPI.h
@@ -768,6 +768,9 @@ public:
   size_t getParameterSize() const;
   Parameter* getParameter(size_t i) throw(RangeError);
 
+  size_t getNonStaticParameterSize() const;
+  Parameter* getNonStaticParameter(size_t i) throw(RangeError);
+
   void randParameters();
 
   Arguments* getLayerOutput(const std::string& layerName) const
diff --git a/paddle/py_paddle/util.py b/paddle/py_paddle/util.py
index a708def1d2d7f6da2998a5905f9473accc6db969..fb337b8af378edee424cd5e8191eb66cbc16f010 100644
--- a/paddle/py_paddle/util.py
+++ b/paddle/py_paddle/util.py
@@ -195,6 +195,12 @@ def __monkeypatch_gradient_machine__():
 
     swig_paddle.GradientMachine.getParameters = getParameters
 
+    def getNonStaticParameters(self):
+        return (self.getNonStaticParameter(i)
+                for i in xrange(self.getNonStaticParameterSize()))
+
+    swig_paddle.GradientMachine.getParameters = getParameters
+
     def getLayerOutputs(self, layerNames):
         """
         getLayerOutputs. get outputs of layers and return a numpy matrix dict.