diff --git a/x2paddle/decoder/caffe_decoder.py b/x2paddle/decoder/caffe_decoder.py
index 28bc6ce38b8139eabbcde536d66673c28d319a11..99f3853a4d8aefc41035523141983c234fa7f000 100644
--- a/x2paddle/decoder/caffe_decoder.py
+++ b/x2paddle/decoder/caffe_decoder.py
@@ -18,6 +18,7 @@ from google.protobuf import text_format
 import numpy as np
 from x2paddle.core.graph import GraphNode, Graph
 from x2paddle.core.fluid_code import FluidCode
+from x2paddle.decoder import caffe_shape_inference
 
 
 class CaffeResolver(object):
@@ -59,6 +60,28 @@ class CaffeGraphNode(GraphNode):
 
     def set_params(self, params):
         self.data = params
+        
+    @property
+    def name(self):
+        if hasattr(self, 'index'):
+            return "{}_p{}".format(self.layer_name, self.index)
+        return self.layer_name
+    
+    @property
+    def out_shapes(self):
+        return self._out_shapes
+
+    @out_shapes.setter
+    def out_shapes(self, value):
+        self._out_shapes = value
+        
+    @property
+    def in_shapes(self):
+        return self._in_shapes
+
+    @in_shapes.setter
+    def in_shapes(self, value):
+        self._in_shapes = value
 
 
 class CaffeGraph(Graph):
@@ -226,8 +249,11 @@ class CaffeGraph(Graph):
                        layer_name)
 
         super(CaffeGraph, self).build()
+        for i, node_name in enumerate(self.topo_sort):
+            node = self.get_node(node_name)
+            self.set_node_shape(node)
 
-    def get_bottom_node(self, node, idx=0, copy=False):
+    def get_input_node(self, node, idx=0, copy=False):
         input_node_name = node.inputs[idx]
         assert input_node_name in self.node_map, 'The {} isn\'t a valid node'.format(
             name)
@@ -238,6 +264,19 @@ class CaffeGraph(Graph):
         else:
             name = input_node_name
         return self.get_node(name, copy=copy)
+    
+    def set_node_shape(self, node):
+        inputs = node.inputs
+        input_shape = []
+        for i, nm in enumerate(inputs):
+            last_node = self.get_node(nm)
+            tmp = node.layer.bottom[i]
+            idx = list(last_node.layer.top).index(tmp)
+            input_shape.append(last_node.out_shapes[idx])
+        node.in_shapes = input_shape
+        func_name = 'shape_' + node.layer_type.lower()
+        node.out_shapes = getattr(caffe_shape_inference, func_name)(node.layer,
+                                                                    input_shape)
 
 
 class CaffeDecoder(object):
diff --git a/x2paddle/op_mapper/dygraph/caffe2paddle/caffe_shape.py b/x2paddle/decoder/caffe_shape_inference.py
similarity index 99%
rename from x2paddle/op_mapper/dygraph/caffe2paddle/caffe_shape.py
rename to x2paddle/decoder/caffe_shape_inference.py
index 5368b2864879864c2e66e47d6ddf89d39d8293a6..2996233454ba71309e8854652135eb6dae0fbecc 100644
--- a/x2paddle/op_mapper/dygraph/caffe2paddle/caffe_shape.py
+++ b/x2paddle/decoder/caffe_shape_inference.py
@@ -83,6 +83,10 @@ def shape_convolution(layer, input_shape):
     return get_strided_kernel_output_shape(params, input_shape[0], math.floor)
 
 
+def shape_depthwiseconvolution(layer, input_shape):
+    return shape_convolution(layer, input_shape)
+
+
 def shape_deconvolution(layer, input_shape):
 
     h_i = input_shape[0][2]
diff --git a/x2paddle/decoder/onnx_decoder.py b/x2paddle/decoder/onnx_decoder.py
index 5aa52dc03f719c3db27c3426b5552fdefc5703fc..954b4c2da238bda94134a3cbb46f9405107c01a2 100644
--- a/x2paddle/decoder/onnx_decoder.py
+++ b/x2paddle/decoder/onnx_decoder.py
@@ -64,6 +64,12 @@ class ONNXGraphNode(GraphNode):
         if 'value' not in self.attr_map:
             return None
         return self.attr_map['value']
+    
+    @property
+    def name(self):
+        if hasattr(self, 'index'):
+            return "{}_p{}".format(self.layer_name, self.index)
+        return self.layer_name
 
     def get_attribute_value(self, attr):
         """
@@ -118,6 +124,10 @@ class ONNXGraphDataNode(GraphNode):
             out_shapes = list()
             out_shapes.append(values)
             return out_shapes
+        
+    @property
+    def name(self):
+        return self.layer_name
 
     @property
     def dtype(self):
@@ -308,6 +318,7 @@ class ONNXGraph(Graph):
             if ipt_node.layer_name in node.which_child:
                 ipt_node.index = node.which_child[ipt_node.layer_name]
             return ipt_node
+        
 
     def graph_weights(self):
         """
diff --git a/x2paddle/decoder/tf_decoder.py b/x2paddle/decoder/tf_decoder.py
index 3b017f137ebcbadb91af9fc912a02bec7b734d44..6e1486ffc30230c055fa2cd428bd2eb6eb8a9e7b 100644
--- a/x2paddle/decoder/tf_decoder.py
+++ b/x2paddle/decoder/tf_decoder.py
@@ -189,6 +189,10 @@ class TFGraph(Graph):
         if len(items) == 1 and node.layer_type in self.multi_out_ops:
             node.index = 0
         return node
+    
+    def get_input_node(self, node, idx=0, copy=False):
+        input_node_name = node.layer.input[idx]
+        return self.get_node(input_node_name, copy)
 
     def remove_node(self, node_name):
         if node_name not in self.node_map:
@@ -316,7 +320,7 @@ class TFDecoder(object):
             self.sess = tf.compat.v1.Session()
         except:
             self.sess = tf.Session()
-        self.input_info = dict()
+        self.inputs_info = dict()
         self.define_input_shape = define_input_shape
         with open(pb_model, 'rb') as f:
             try:
@@ -426,50 +430,40 @@ class TFDecoder(object):
                 input_map["{}:0".format(layer.name)] = x2paddle_input
                 if shape.count(None) > 0:
                     shape[shape.index(None)] = -1
-                self.input_info["x2paddle_{}".format(layer.name)] = (shape,
+                self.inputs_info["x2paddle_{}".format(layer.name)] = (shape,
                                                                      dtype)
             else:
                 value = graph_node.layer.attr["shape"].shape
                 shape = [dim.size for dim in value.dim]
-                self.input_info[layer.name] = (shape, dtype)
+                self.inputs_info[layer.name] = (shape, dtype)
 
         return input_map
 
     # trick method
     # should be removed after PaddlePaddle V1.6 been released
-    def infer_tensor(self, graph_node):
+    def infer_tensor(self, graph_node, out_shape=None, use_diff_inputs=True):
         if hasattr(graph_node, "index"):
             tensor_name = graph_node.layer.name + ":{}".format(graph_node.index)
         else:
             tensor_name = graph_node.layer.name + ":0"
         feed = dict()
-        for input_name, info in self.input_info.items():
-            (shape, dtype) = cp.deepcopy(info)
-            input_tensor = self.sess.graph.get_tensor_by_name(input_name + ":0")
-            if shape.count(-1) > 0:
-                shape[shape.index(-1)] = 2
-            feed[input_tensor] = numpy.random.random_sample(shape)
-        output_tensor = self.sess.graph.get_tensor_by_name(tensor_name)
-        return self.sess.run([output_tensor], feed)[0]
-
-    def infer_shape_tensor(self, graph_node, out_shape=None):
-        if hasattr(graph_node, "index"):
-            tensor_name = graph_node.layer.name + ":{}".format(graph_node.index)
+        if use_diff_inputs:
+            batch_size = [2, 3, 5]
         else:
-            tensor_name = graph_node.layer.name + ":0"
-        feed = dict()
-        batch_size = [2, 3, 5]
+            batch_size = [2]
         results = list()
         for b in batch_size:
-            for input_name, info in self.input_info.items():
+            for input_name, info in self.inputs_info.items():
                 (shape, dtype) = cp.deepcopy(info)
-                input_tensor = self.sess.graph.get_tensor_by_name(input_name +
-                                                                  ":0")
+                input_tensor = self.sess.graph.get_tensor_by_name(input_name + ":0")
                 if shape.count(-1) > 0:
                     shape[shape.index(-1)] = b
                 feed[input_tensor] = numpy.random.random_sample(shape)
             output_tensor = self.sess.graph.get_tensor_by_name(tensor_name)
-            results.append(self.sess.run([output_tensor], feed)[0].flatten())
+            if use_diff_inputs:
+                results.append(self.sess.run([output_tensor], feed)[0].flatten())
+            else:
+                return self.sess.run([output_tensor], feed)[0]
 
         compare01 = (results[0] == results[1])
         compare12 = (results[1] == results[2])
@@ -494,38 +488,4 @@ class TFDecoder(object):
             return results[0].tolist()
         else:
             raise Exception("Couldn't infer a stable shape shape tensor value")
-
-    def infer_tensor_shape(self, graph_node):
-        if hasattr(graph_node, "index"):
-            tensor_name = graph_node.layer.name + ":{}".format(graph_node.index)
-        else:
-            tensor_name = graph_node.layer.name + ":0"
-        feed = dict()
-        batch_size = [2, 3, 5]
-        shapes = list()
-        for b in batch_size:
-            for input_name, info in self.input_info.items():
-                (shape, dtype) = cp.deepcopy(info)
-                input_tensor = self.sess.graph.get_tensor_by_name(input_name +
-                                                                  ":0")
-                if shape.count(-1) > 0:
-                    shape[shape.index(-1)] = b
-                feed[input_tensor] = numpy.random.random_sample(shape)
-            output_tensor = self.sess.graph.get_tensor_by_name(tensor_name)
-            shape = self.sess.run([output_tensor], feed)[0].shape
-            shapes.append(numpy.array(shape))
-
-        compare01 = (shapes[0] == shapes[1])
-        compare12 = (shapes[1] == shapes[2])
-
-        if compare01.all() and compare12.all():
-            return shape[0].tolist()
-
-        if (compare01 == compare12).all():
-            index = numpy.argwhere(compare01 == False).flatten()
-            if index.shape[0] != 1:
-                raise Exception("There's not only one unstable dimension")
-            if index[0] != 0:
-                raise Exception("Batch size not in the first dimension")
-            shapes[0][0] = -1
-            return shapes[0].tolist()
+            
\ No newline at end of file
diff --git a/x2paddle/op_mapper/dygraph/caffe2paddle/caffe_op_mapper.py b/x2paddle/op_mapper/dygraph/caffe2paddle/caffe_op_mapper.py
index 98d18a453efa5cc9c48f00aec0c5b2b29aa345a9..4b9d135dafd32a644f42d2d56343c4f25483b1d0 100644
--- a/x2paddle/op_mapper/dygraph/caffe2paddle/caffe_op_mapper.py
+++ b/x2paddle/op_mapper/dygraph/caffe2paddle/caffe_op_mapper.py
@@ -12,45 +12,141 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import sys
 import numbers
 import numpy as np
 from x2paddle.core.op_mapper import OpMapper
 from x2paddle.core.util import *
-from x2paddle.op_mapper.dygraph.caffe2paddle import caffe_shape
 from x2paddle.core.program import PaddleGraph 
+from x2paddle.decoder.caffe_decoder import CaffeGraphNode
+
+
+def _adjust_parameters(node):
+    data = node.data
+    # When using the protobuf-backend, each parameter initially has four dimensions.
+    # In certain cases (like FC layers), we want to eliminate the singleton dimensions.
+    # This implementation takes care of the common cases. However, it does leave the
+    # potential for future issues.
+    # The Caffe-backend does not suffer from this problem.
+    data = list(data)
+
+    squeeze_indices = [1]  # Squeeze biases.
+    if node.layer_type == 'InnerProduct':
+        squeeze_indices.append(0)  # Squeeze FC.
+
+    for idx in squeeze_indices:
+        if idx >= len(data):
+            continue
+
+        d = data[idx]
+        assert len(
+            d.shape
+        ) == 4, 'invalid shape[%s] from caffe when adjust_parameters' % (
+            str(d.shape))
+
+        shape_old = d.shape
+        sq_axis = None
+        if idx == 0:
+            sq_axis = (0, 1)
+        elif idx == 1:
+            sq_axis = (0, 1, 2)
+        else:
+            continue
+
+        data[idx] = np.squeeze(d, axis=sq_axis)
+        shape_new = data[idx].shape
+    return data
+
+def _get_kernel_parameters(kind, params):
+    assert kind in ["Convolution", "Pooling", "Deconvolution", "ConvolutionDepthwise"]
+    [k_h, k_w] = [1, 1]
+    if isinstance(params.kernel_size, numbers.Number):
+        [k_h, k_w] = [params.kernel_size] * 2
+    elif len(params.kernel_size) > 0:
+        k_h = params.kernel_h if params.kernel_h > 0 else params.kernel_size[
+            0]
+        k_w = params.kernel_w if params.kernel_w > 0 else params.kernel_size[
+            len(params.kernel_size) - 1]
+    elif params.kernel_h > 0 or params.kernel_w > 0:
+        k_h = params.kernel_h
+        k_w = params.kernel_w
+    [s_h, s_w] = [1, 1]
+    if isinstance(params.stride, numbers.Number):
+        [s_h, s_w] = [params.stride] * 2
+    elif len(params.stride) > 0:
+        s_h = params.stride_h if params.stride_h > 0 else params.stride[0]
+        s_w = params.stride_w if params.stride_w > 0 else params.stride[len(
+            params.stride) - 1]
+    elif params.stride_h > 0 or params.stride_w > 0:
+        s_h = params.stride_h
+        s_w = params.stride_w
+    [p_h, p_w] = [0, 0]
+    if isinstance(params.pad, numbers.Number):
+        [p_h, p_w] = [params.pad] * 2
+    elif len(params.pad) > 0:
+        p_h = params.pad_h if params.pad_h > 0 else params.pad[0]
+        p_w = params.pad_w if params.pad_w > 0 else params.pad[len(
+            params.pad) - 1]
+    elif params.pad_h > 0 or params.pad_w > 0:
+        p_h = params.pad_h
+        p_w = params.pad_w
+    dila_h = dila_w = 1
+    group = 1
+    c_o = 1
+    if kind in ["Convolution", "Deconvolution", "ConvolutionDepthwise"]:
+        if kind in ["Convolution", "Deconvolution"]:
+            c_o = params.num_output
+        dila_len = len(params.dilation)
+        if dila_len == 2:
+            dila_h = params.dilation[0]
+            dila_w = params.dilation[1]
+        elif dila_len == 1:
+            dila_h = dila_w = params.dilation[0]
+        else:
+            assert dila_len == 0, "invalid length[%s] of dilation in convolution" % (
+                dila_len)
+    if kind in ['Convolution', 'Deconvolution']:
+        group = params.group
+    kernel = [k_h, k_w]
+    stride = [s_h, s_w]
+    pad = [p_h, p_w]
+    dilation = [dila_h, dila_w]
+    return c_o, kernel, stride, pad, dilation, group
 
 
 class CaffeOpMapper(OpMapper):
     directly_map_ops = {
-        'Sigmoid': 'paddle.nn.layer.Sigmoid',
-        'TanH': 'paddle.nn.Tanh',
+        'Sigmoid': ['paddle.nn.layer.Sigmoid'],
+        'TanH': ['paddle.nn.Tanh'],
     }
 
     def __init__(self, decoder):
         super(CaffeOpMapper, self).__init__()
         self.graph = decoder.caffe_graph
+        if not self.op_checker():
+            raise Exception("Model is not supported yet.")
         self.params = dict()
         self.paddle_graph = PaddleGraph(parent_layer=None, graph_type="dygraph", source_type="caffe")
         self.paddle_graph.outputs = self.graph.output_nodes
         self.input_index = 0 
         self.inputs_info = {}
         self.nn_name2id = {}
-        print("Total nodes: {}".format(len(self.graph.topo_sort)))
-        for node_name in self.graph.topo_sort:
+        print("Total nodes: {}".format(
+            sum([
+                isinstance(node, CaffeGraphNode)
+                for name, node in self.graph.node_map.items()
+            ])))
+        print("Nodes converting ...")
+        for i, node_name in enumerate(self.graph.topo_sort):
+            sys.stderr.write("\rConverting node {} ...     ".format(i + 1))
             node = self.graph.get_node(node_name)
-            if node.layer_type == 'DepthwiseConvolution':
-                node.layer_type = 'ConvolutionDepthwise'
             op = node.layer_type
             if hasattr(self, op):
-                self.set_node_shape(node)
                 func = getattr(self, op)
                 func(node)
             elif op in self.directly_map_ops:
-                self.set_node_shape(node)
                 self.directly_map(node)
-            else:
-                raise Exception(
-                    "The op {} in model is not supported yet.".format(op))
+        print("\nNodes converted.")
         self.paddle_graph.set_name(self.graph.graph_name)
         self.paddle_graph.set_parameters(self.params)
         self.paddle_graph.set_inputs_info(self.inputs_info)
@@ -60,129 +156,38 @@ class CaffeOpMapper(OpMapper):
         for node_name in self.graph.topo_sort:
             node = self.graph.get_node(node_name)
             op = node.layer_type
-            if not hasattr(self, op) and op not in custom_layers:
+            if not hasattr(self, op) and op not in self.directly_map_ops:
                 unsupported_ops.add(op)
         if len(unsupported_ops) == 0:
             return True
         else:
-            print("There are {} ops not supported yet, list as below".format(
-                len(unsupported_ops)))
+            if len(unsupported_ops) > 0:
+                print("\n========= {} OPs are not supported yet ===========".format(
+                    len(unsupported_ops)))
             for op in unsupported_ops:
-                print(op)
+                print("========== {} ============".format(op))
             return False
-
-    def set_node_shape(self, node):
-        inputs = node.inputs
-        input_shape = []
-        for i, nm in enumerate(inputs):
-            last_node = self.graph.get_node(nm)
-            tmp = node.layer.bottom[i]
-            idx = list(last_node.layer.top).index(tmp)
-            input_shape.append(last_node.output_shape[idx])
-
-        node.input_shape = input_shape
-
-        func_name = 'shape_' + node.layer_type.lower()
-        node.output_shape = getattr(caffe_shape, func_name)(node.layer,
-                                                            input_shape)
-
-    def adjust_parameters(self, node):
-        data = node.data
-        # When using the protobuf-backend, each parameter initially has four dimensions.
-        # In certain cases (like FC layers), we want to eliminate the singleton dimensions.
-        # This implementation takes care of the common cases. However, it does leave the
-        # potential for future issues.
-        # The Caffe-backend does not suffer from this problem.
-        data = list(data)
-
-        squeeze_indices = [1]  # Squeeze biases.
-        if node.layer_type == 'InnerProduct':
-            squeeze_indices.append(0)  # Squeeze FC.
-
-        for idx in squeeze_indices:
-            if idx >= len(data):
-                continue
-
-            d = data[idx]
-            assert len(
-                d.shape
-            ) == 4, 'invalid shape[%s] from caffe when adjust_parameters' % (
-                str(d.shape))
-
-            shape_old = d.shape
-            sq_axis = None
-            if idx == 0:
-                sq_axis = (0, 1)
-            elif idx == 1:
-                sq_axis = (0, 1, 2)
-            else:
-                continue
-
-            data[idx] = np.squeeze(d, axis=sq_axis)
-            shape_new = data[idx].shape
-        return data
-
-    def get_kernel_parameters(self, kind, params):
-        assert kind in ["Convolution", "Pooling", "Deconvolution", "ConvolutionDepthwise"]
-        [k_h, k_w] = [1, 1]
-        if isinstance(params.kernel_size, numbers.Number):
-            [k_h, k_w] = [params.kernel_size] * 2
-        elif len(params.kernel_size) > 0:
-            k_h = params.kernel_h if params.kernel_h > 0 else params.kernel_size[
-                0]
-            k_w = params.kernel_w if params.kernel_w > 0 else params.kernel_size[
-                len(params.kernel_size) - 1]
-        elif params.kernel_h > 0 or params.kernel_w > 0:
-            k_h = params.kernel_h
-            k_w = params.kernel_w
-        [s_h, s_w] = [1, 1]
-        if isinstance(params.stride, numbers.Number):
-            [s_h, s_w] = [params.stride] * 2
-        elif len(params.stride) > 0:
-            s_h = params.stride_h if params.stride_h > 0 else params.stride[0]
-            s_w = params.stride_w if params.stride_w > 0 else params.stride[len(
-                params.stride) - 1]
-        elif params.stride_h > 0 or params.stride_w > 0:
-            s_h = params.stride_h
-            s_w = params.stride_w
-        [p_h, p_w] = [0, 0]
-        if isinstance(params.pad, numbers.Number):
-            [p_h, p_w] = [params.pad] * 2
-        elif len(params.pad) > 0:
-            p_h = params.pad_h if params.pad_h > 0 else params.pad[0]
-            p_w = params.pad_w if params.pad_w > 0 else params.pad[len(
-                params.pad) - 1]
-        elif params.pad_h > 0 or params.pad_w > 0:
-            p_h = params.pad_h
-            p_w = params.pad_w
-        dila_h = dila_w = 1
-        group = 1
-        c_o = 1
-        if kind in ["Convolution", "Deconvolution", "ConvolutionDepthwise"]:
-            if kind in ["Convolution", "Deconvolution"]:
-                c_o = params.num_output
-            dila_len = len(params.dilation)
-            if dila_len == 2:
-                dila_h = params.dilation[0]
-                dila_w = params.dilation[1]
-            elif dila_len == 1:
-                dila_h = dila_w = params.dilation[0]
-            else:
-                assert dila_len == 0, "invalid length[%s] of dilation in convolution" % (
-                    dila_len)
-        if kind in ['Convolution', 'Deconvolution']:
-            group = params.group
-        kernel = [k_h, k_w]
-        stride = [s_h, s_w]
-        pad = [p_h, p_w]
-        dilation = [dila_h, dila_w]
-        return c_o, kernel, stride, pad, dilation, group
-
-    def get_input_name(self, node):
-        if hasattr(node, "index"):
-            return "{}_{}".format(node.layer_name, node.index)
+        
+    def directly_map(self, node):
+        inputs = node.layer.input
+        assert len(inputs) == 1, 'directly_map error with multi inputs'
+        op_info = self.directly_map_ops[node.layer_type]
+        input = self.graph.get_input_node(node, 0)
+        paddle_op = op_info[0]
+        if paddle_op.startswith("paddle.nn"):
+            op_name = paddle_op[10:].lower()
+            op_name = name_generator(op_name, self.nn_name2id)
+            output_name = node.name
+            layer_outputs = [op_name, output_name]
+            self.paddle_graph.add_layer(
+                kernel=paddle_op,
+                inputs={"x": input.name},
+                outputs=layer_outputs)
         else:
-            return node.layer_name
+            self.paddle_graph.add_layer(
+                kernel=paddle_op,
+                inputs={"x": input.name},
+                outputs=[node.name])
 
     def Input(self, node):
         self.paddle_graph.add_layer(
@@ -200,7 +205,7 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [conv2d_name, output_name]
         data = node.data
         params = node.layer.convolution_param
-        out_channel, kernel, stride, pad, dilation, group = self.get_kernel_parameters(
+        out_channel, kernel, stride, pad, dilation, group = _get_kernel_parameters(
             node.layer_type, params)
         if data is None:
             data = []
@@ -208,19 +213,19 @@ class CaffeOpMapper(OpMapper):
                 "The parameter of {} (type is {}) is not set. So we set the parameters as 0"
                 .format(node.layer_name, node.layer_type))
             data.append(
-                np.zeros([out_channel, node.input_shape[0][1], kernel[0], kernel[1]]).astype(
+                np.zeros([out_channel, node.in_shapes[0][1], kernel[0], kernel[1]]).astype(
                     'float32'))
             data.append(np.zeros([out_channel, ]).astype('float32'))
         else:
-            data = self.adjust_parameters(node)
+            data = _adjust_parameters(node)
         self.params[conv2d_name + ".weight"] = data[0]
         if len(data) == 2:
             self.params[conv2d_name + ".bias"] = data[1]
         assert len(node.inputs
                    ) == 1, "The count of Convolution node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
-            "in_channels": node.input_shape[0][1],
+            "in_channels": node.in_shapes[0][1],
             "out_channels": out_channel,
             "kernel_size": kernel,
             "stride": stride,
@@ -232,9 +237,13 @@ class CaffeOpMapper(OpMapper):
             layer_attrs["bias_attr"] = False
         self.paddle_graph.add_layer(
             "paddle.nn.Conv2D",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=layer_outputs,
             **layer_attrs)
+        
+    def DepthwiseConvolution(self, node):
+        node.layer_type = "ConvolutionDepthwise"
+        self.ConvolutionDepthwise(node)
 
     def Deconvolution(self, node):
         conv2d_name = name_generator("conv", self.nn_name2id)
@@ -242,7 +251,7 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [conv2d_name, output_name]
         data = node.data
         params = node.layer.convolution_param
-        out_channel, kernel, stride, pad, dilation, group = self.get_kernel_parameters(
+        out_channel, kernel, stride, pad, dilation, group = _get_kernel_parameters(
             node.layer_type, params)
         if data is None:
             data = []
@@ -250,19 +259,19 @@ class CaffeOpMapper(OpMapper):
                 "The parameter of {} (type is {}) is not set. So we set the parameters as 0"
                 .format(node.layer_name, node.layer_type))
             data.append(
-                np.zeros([out_channel, node.input_shape[0][1], kernel[0], kernel[1]]).astype(
+                np.zeros([out_channel, node.in_shapes[0][1], kernel[0], kernel[1]]).astype(
                     'float32'))
             data.append(np.zeros([out_channel, ]).astype('float32'))
         else:
-            data = self.adjust_parameters(node)
+            data = _adjust_parameters(node)
         self.params[conv2d_name + ".weight"] = data[0]
         if len(data) == 2:
             self.params[conv2d_name + ".bias"] = data[1]
         assert len(node.inputs
                    ) == 1, "The count of Deconvolution node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
-            "in_channels": node.input_shape[0][1],
+            "in_channels": node.in_shapes[0][1],
             "out_channels": out_channel,
             "kernel_size": kernel,
             "stride": stride,
@@ -274,7 +283,7 @@ class CaffeOpMapper(OpMapper):
             layer_attrs["bias_attr"] = False
         self.paddle_graph.add_layer(
             "paddle.nn.Conv2DTranspose",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=layer_outputs,
             **layer_attrs)
         
@@ -284,10 +293,10 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [conv2d_name, output_name]
         data = node.data
         params = node.layer.convolution_param
-        out_channel, kernel, stride, pad, dilation, group = self.get_kernel_parameters(
+        out_channel, kernel, stride, pad, dilation, group = _get_kernel_parameters(
             node.layer_type, params)
-        out_channel = params.num_output if params.num_output is not None else node.input_shape[0][1]
-        in_channel = node.input_shape[0][1]
+        out_channel = params.num_output if params.num_output is not None else node.in_shapes[0][1]
+        in_channel = node.in_shapes[0][1]
         group = int(in_channel / (in_channel / out_channel)) if in_channel > out_channel else int(in_channel /
                                                                 (out_channel / in_channel))
         if data is None:
@@ -296,17 +305,17 @@ class CaffeOpMapper(OpMapper):
                 "The parameter of {} (type is {}) is not set. So we set the parameters as 0"
                 .format(node.layer_name, node.layer_type))
             data.append(
-                np.zeros([out_channel, node.input_shape[0][1], kernel[0], kernel[1]]).astype(
+                np.zeros([out_channel, node.in_shapes[0][1], kernel[0], kernel[1]]).astype(
                     'float32'))
             data.append(np.zeros([out_channel, ]).astype('float32'))
         else:
-            data = self.adjust_parameters(node)
+            data = _adjust_parameters(node)
         self.params[conv2d_name + ".weight"] = data[0]
         if len(data) == 2:
             self.params[conv2d_name + ".bias"] = data[1]
         assert len(node.inputs
                    ) == 1, "The count of Deconvolution node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
             "in_channels": in_channel,
             "out_channels": out_channel,
@@ -320,7 +329,7 @@ class CaffeOpMapper(OpMapper):
             layer_attrs["bias_attr"] = False
         self.paddle_graph.add_layer(
             "paddle.nn.Conv2D",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=layer_outputs,
             **layer_attrs)
 
@@ -332,7 +341,7 @@ class CaffeOpMapper(OpMapper):
         ceil_mode = getattr(params, "ceil_mod", True)
         global_pool = getattr(params, "global_pooling", False)
         kernel_default = [1, 1]
-        channel, kernel, stride, pad, dilation, group = self.get_kernel_parameters(
+        channel, kernel, stride, pad, dilation, group = _get_kernel_parameters(
             node.layer_type, params)
         if params.pool == 0:
             pool_type = "max"
@@ -340,20 +349,20 @@ class CaffeOpMapper(OpMapper):
             pool_type = "avg"
         assert len(
             node.inputs) == 1, "The count of Pooling node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         if global_pool:
             if kernel[0] == 0:
                 kernel = [1, 1]
             if params.pool == 0:
                 self.paddle_graph.add_layer(
                     "paddle.nn.AdaptiveMaxPool2D",
-                    inputs={"input": self.get_input_name(input)},
+                    inputs={"input": input.name},
                     outputs=layer_outputs,
                     output_size=kernel)
             else:
                 self.paddle_graph.add_layer(
                     "paddle.nn.AdaptiveAvgPool2D",
-                    inputs={"input": self.get_input_name(input)},
+                    inputs={"input": input.name},
                     outputs=layer_outputs,
                     output_size=kernel)
         else:
@@ -368,7 +377,7 @@ class CaffeOpMapper(OpMapper):
             }
             self.paddle_graph.add_layer(
                 "paddle.fluid.dygraph.Pool2D",
-                inputs={"input": self.get_input_name(input)},
+                inputs={"input": input.name},
                 outputs=layer_outputs,
                 **layer_attrs)
 #             layer_attrs = {
@@ -380,20 +389,20 @@ class CaffeOpMapper(OpMapper):
 #             if params.pool == 0:
 #                 self.paddle_graph.add_layer(
 #                     "paddle.nn.MaxPool2D",
-#                     inputs={"input": self.get_input_name(input)},
+#                     inputs={"input": input.name},
 #                     outputs=layer_outputs,
 #                     **layer_attrs)
 #             else:
 #                 layer_attrs["count_include_pad"] = True
 #                 self.paddle_graph.add_layer(
 #                     "paddle.nn.AvgPool2D",
-#                     inputs={"input": self.get_input_name(input)},
+#                     inputs={"input": input.name},
 #                     outputs=layer_outputs,
 #                     **layer_attrs)
 
     def LRN(self, node):
         assert len(node.inputs) == 1, "The count of LRN node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.lrn_param
         assert params.local_size % 2 == 1
         alpha = params.alpha / float(params.local_size)
@@ -405,7 +414,7 @@ class CaffeOpMapper(OpMapper):
         }
         self.paddle_graph.add_layer(
             "fluid.layers.lrn", 
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=[node.layer_name],
             **layer_attrs)
 
@@ -414,7 +423,7 @@ class CaffeOpMapper(OpMapper):
         output_name = node.layer_name
         layer_outputs = [linear_name, output_name]
         data = node.data
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.inner_product_param
         if data is None:
             print(
@@ -422,12 +431,12 @@ class CaffeOpMapper(OpMapper):
                 .format(node.layer_name, node.layer_type))
             data = []
             data.append(
-                np.zeros([node.input_shape[0][1], params.num_output]).astype("float32").astype(
+                np.zeros([node.in_shapes[0][1], params.num_output]).astype("float32").astype(
                     "float32"))
             data.append(
                 np.zeros([params.num_output]).astype("float32").astype("float32"))
         else:
-            data = self.adjust_parameters(node)
+            data = _adjust_parameters(node)
             # Reshape the parameters to Paddle's ordering
             transpose_order = (1, 0)
             w = data[0]
@@ -450,10 +459,10 @@ class CaffeOpMapper(OpMapper):
         }
         if len(data) == 1:
             layer_attrs["bias"] = False
-        if node.input_shape[0][-1] != data[0].shape[0]:
+        if node.in_shapes[0][-1] != data[0].shape[0]:
             self.paddle_graph.add_layer(
                 "paddle.reshape",
-                inputs={"x": self.get_input_name(input)},
+                inputs={"x": input.name},
                 outputs=[output_name],
                 shape=[-1, data[0].shape[0]])
             self.paddle_graph.add_layer(
@@ -464,7 +473,7 @@ class CaffeOpMapper(OpMapper):
         else:
             self.paddle_graph.add_layer(
                 "paddle.nn.Linear",
-                inputs={"input": self.get_input_name(input)},
+                inputs={"input": input.name},
                 outputs=layer_outputs,
                 **layer_attrs)
         
@@ -472,10 +481,10 @@ class CaffeOpMapper(OpMapper):
         assert len(
             node.inputs
         ) >= 1, "The count of AbsVal node\'s input is not more than 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         self.paddle_graph.add_layer(
             "paddle.abs",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=[node.layer_name])
 
     def Softmax(self, node):
@@ -484,42 +493,42 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [softmax_name, output_name]
         assert len(
             node.inputs) == 1, "The count of Softmax node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.softmax_param
         axis = params.axis
-        shape = node.input_shape[0]
+        shape = node.in_shapes[0]
         dims = len(shape)
         axis = axis + dims if axis < 0 else axis
         layer_attrs = {'axis': axis}
         self.paddle_graph.add_layer(
             "paddle.nn.Softmax",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=layer_outputs,
             **layer_attrs)
 
     def Slice(self, node):
         assert len(
             node.inputs) == 1, "The count of Slice node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         top_len = len(node.layer.top)
         params = node.layer.slice_param
         axis = params.axis
         slice_dim = params.slice_dim
         if slice_dim != 1 and axis == 1:
             axis = slice_dim
-        output_shape = node.output_shape
+        output_shape = node.out_shapes
         sections_list = list()
         outputs_list = list()
         for i, s in enumerate(output_shape):
             sections_list.append(s[axis])
-            outputs_list.append("{}_{}".format(node.layer_name, i))
+            outputs_list.append("{}_p{}".format(node.layer_name, i))
         layer_attrs = {
             'num_or_sections': sections_list,
             'axis': axis,
         }
         self.paddle_graph.add_layer(
             "paddle.split",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=outputs_list,
             **layer_attrs)
 
@@ -529,8 +538,8 @@ class CaffeOpMapper(OpMapper):
         ) >= 1, "The count of Concat node\'s input is not more than 1."
         inputs_list = list()
         for i in range(len(node.inputs)):
-            input = self.graph.get_bottom_node(node, idx=i, copy=True)
-            inputs_list.append(self.get_input_name(input))
+            input = self.graph.get_input_node(node, idx=i, copy=True)
+            inputs_list.append(input.name)
         params = node.layer.concat_param
         axis = params.axis
         layer_attrs = {'axis': axis}
@@ -546,7 +555,7 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [relu_name, output_name]
         assert len(
             node.inputs) == 1, "The count of RelU node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.relu_param
         if params.HasField('negative_slope') and params.negative_slope != 0:
             negative_slope = float(params.negative_slope)
@@ -554,13 +563,13 @@ class CaffeOpMapper(OpMapper):
             layer_attrs = {'alpha': negative_slope}
             self.paddle_graph.add_layer(
                 "paddle.nn.LeakyReLU",
-                inputs={"input": self.get_input_name(input)},
+                inputs={"input": input.name},
                 outputs=layer_outputs,
                 **layer_attrs)
         else:
             self.paddle_graph.add_layer(
                 "paddle.nn.ReLU",
-                inputs={"input": self.get_input_name(input)},
+                inputs={"input": input.name},
                 outputs=layer_outputs)
 
     def PReLU(self, node):
@@ -569,10 +578,10 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [prelu_name, output_name]
         assert len(
             node.inputs) == 1, "The count of PReLU node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.prelu_param
         mode_bool = params.channel_shared
-        output_shape = node.output_shape[0]
+        output_shape = node.out_shapes[0]
         if mode_bool:
             num_parameters = 1
         else:
@@ -583,7 +592,7 @@ class CaffeOpMapper(OpMapper):
             node.layer_name, node.layer_type)
         self.paddle_graph.add_layer(
             "paddle.nn.PReLU",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=layer_outputs,
             num_parameters=num_parameters)
 
@@ -593,10 +602,10 @@ class CaffeOpMapper(OpMapper):
         params = node.layer.eltwise_param
         mode = params.operation
         inputs = []
-        input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
-        input1 = self.graph.get_bottom_node(node, idx=1, copy=True)
-        input0_name = self.get_input_name(input0)
-        input1_name = self.get_input_name(input1)
+        input0 = self.graph.get_input_node(node, idx=0, copy=True)
+        input1 = self.graph.get_input_node(node, idx=1, copy=True)
+        input0_name = input0.name
+        input1_name = input1.name
         if mode == 0:
             inputs_dict = {}
             inputs_dict['x'] = input0_name
@@ -648,7 +657,7 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [batchnorm_name, output_name]
         assert len(
             node.inputs) == 1, "The count of BatchNorm node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.batch_norm_param
         if hasattr(params, "eps"):
             eps = params.eps
@@ -658,8 +667,8 @@ class CaffeOpMapper(OpMapper):
             print(
                 "The parameter of {} (type is {}) is not set. So we set the parameters as 0"
                 .format(node.layer_name, node.layer_type))
-            mean = np.zeros([node.input_shape[0][1], ]).astype("float32")
-            variance = np.zeros([node.input_shape[0][1], ]).astype("float32")
+            mean = np.zeros([node.in_shapes[0][1], ]).astype("float32")
+            variance = np.zeros([node.in_shapes[0][1], ]).astype("float32")
             scale = 0
         else:
 
@@ -672,14 +681,14 @@ class CaffeOpMapper(OpMapper):
         self.params[batchnorm_name + "._mean"] = mean
         self.params[batchnorm_name + '._variance'] = variance
         layer_attrs = {
-            "num_features": node.input_shape[0][1],
+            "num_features": node.in_shapes[0][1],
             "epsilon": eps,
             "weight_attr": False,
             "bias_attr": False,
         }
         self.paddle_graph.add_layer(
             "paddle.nn.BatchNorm2D",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=layer_outputs,
             **layer_attrs)
    
@@ -689,10 +698,10 @@ class CaffeOpMapper(OpMapper):
                 "The parameter of {} (type is {}) is not set. So we set the parameters as 0"
                 .format(node.layer_name, node.layer_type))
             self.params[node.layer_name + "_cparam1"] = np.zeros([
-                node.input_shape[0][1],
+                node.in_shapes[0][1],
             ]).astype("float32")
             self.params[node.layer_name + "_cparam2"] = np.zeros([
-                node.input_shape[0][1],
+                node.in_shapes[0][1],
             ]).astype("float32")
         else:
             self.params[node.layer_name + "_cparam1"] = np.squeeze(node.data[
@@ -703,10 +712,10 @@ class CaffeOpMapper(OpMapper):
         axis = params.axis
         inputs = []
         if len(node.inputs) == 2:
-            input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
-            input1 = self.graph.get_bottom_node(node, idx=1, copy=True)
-            input0_name = self.get_input_name(input0)
-            input1_name = self.get_input_name(input1)
+            input0 = self.graph.get_input_node(node, idx=0, copy=True)
+            input1 = self.graph.get_input_node(node, idx=1, copy=True)
+            input0_name = input0.name
+            input1_name = input1.name
             inputs_dict = {}
             inputs_dict['x'] = input0_name
             inputs_dict['y'] = input1_name
@@ -722,8 +731,8 @@ class CaffeOpMapper(OpMapper):
                 outputs=[node.layer_name + "_cparam1"],
                 shape=self.params[node.layer_name + "_cparam1"].shape,
                 attr=string(node.layer_name + "_cparam1"))
-            input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
-            input0_name = self.get_input_name(input0)
+            input0 = self.graph.get_input_node(node, idx=0, copy=True)
+            input0_name = input0.name
             inputs_dict = {}
             inputs_dict['x'] = input0_name
             inputs_dict['y'] = node.layer_name + "_cparam1"
@@ -741,7 +750,7 @@ class CaffeOpMapper(OpMapper):
         inputs_dict = {}
         inputs_dict['x'] = node.layer_name + "_mul"
         inputs_dict['y'] = node.layer_name + "_cparam2"
-        output_shape = node.output_shape[0]
+        output_shape = node.out_shapes[0]
         if axis == -1:
             self.paddle_graph.add_layer(
                 "paddle.add",
@@ -765,11 +774,11 @@ class CaffeOpMapper(OpMapper):
                 outputs=[node.layer_name])
             
     def Reshape(self, node):
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
-        output_shape = node.output_shape[0]
+        input = self.graph.get_input_node(node, idx=0, copy=True)
+        output_shape = node.out_shapes[0]
         self.paddle_graph.add_layer(
             "paddle.reshape",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=[node.layer_name],
             shape=output_shape)
 
@@ -778,8 +787,8 @@ class CaffeOpMapper(OpMapper):
         assert len(node.inputs) == 1 and len(
             node.outputs
         ) == 1, "The count of ArgMax node\'s input and output is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
-        input_shape = node.input_shape[0]
+        input = self.graph.get_input_node(node, idx=0, copy=True)
+        input_shape = node.in_shapes[0]
         params = node.layer.argmax_param
         out_max_val = params.out_max_val if hasattr(params,
                                                     out_max_val) else False
@@ -790,7 +799,7 @@ class CaffeOpMapper(OpMapper):
         if out_max_val is True:
             self.paddle_graph.add_layer(
                 "paddle.topk",
-                inputs={"x": self.get_input_name(input)},
+                inputs={"x": input.name},
                 outputs=[node.layer_name + "_topk_var", node.layer_name + "_index_var"],
                 k=top_k)
             self.paddle_graph.add_layer(
@@ -806,7 +815,7 @@ class CaffeOpMapper(OpMapper):
         else:
             self.paddle_graph.add_layer(
                 "paddle.topk",
-                inputs={"x": self.get_input_name(input)},
+                inputs={"x": input.name},
                 outputs=["_", node.layer_name],
                 k=top_k)
             
@@ -814,14 +823,14 @@ class CaffeOpMapper(OpMapper):
         assert len(node.inputs) == 1 and len(
             node.outputs
         ) == 1, "The count of Axpy node\'s input and output is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.axpy_param
-        input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
-        input1 = self.graph.get_bottom_node(node, idx=1, copy=True)
-        input2 = self.graph.get_bottom_node(node, idx=2, copy=True)
-        input0_name = self.get_input_name(input0)
-        input1_name = self.get_input_name(input1)
-        input2_name = self.get_input_name(input2)
+        input0 = self.graph.get_input_node(node, idx=0, copy=True)
+        input1 = self.graph.get_input_node(node, idx=1, copy=True)
+        input2 = self.graph.get_input_node(node, idx=2, copy=True)
+        input0_name = input0.name
+        input1_name = input1.name
+        input2_name = input2.name
         inputs_dict = {}
         inputs_dict['x'] = input1_name
         inputs_dict['y'] = input0_name
@@ -842,11 +851,11 @@ class CaffeOpMapper(OpMapper):
     def Crop(self, node):
         assert len(
             node.inputs) == 2, "The count of Crop node\'s input is not 2."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
-        example = self.graph.get_bottom_node(node, idx=1, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
+        example = self.graph.get_input_node(node, idx=1, copy=True)
         params = node.layer.crop_param
         axis = params.axis
-        input_shape = node.input_shape[0]
+        input_shape = node.in_shapes[0]
         if axis < 0:
             axis += len(input_shape)
         offset_real = [0] * len(input_shape)
@@ -858,26 +867,26 @@ class CaffeOpMapper(OpMapper):
             offset_real = [0] * axis + offset
         self.paddle_graph.add_layer(
                 "paddle.crop",
-                inputs={"x": self.get_input_name(input)},
+                inputs={"x": input.name},
                 outputs=[node.layer_name],
-                shape=node.input_shape[1],
+                shape=node.in_shapes[1],
                 offsets=list(offset_real))
 
     def Flatten(self, node):
         assert len(
             node.
             inputs) == 1, "The count of DetectionOutput node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         self.paddle_graph.add_layer(
             "paddle.reshape",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=[node.layer_name],
-            shape=node.output_shape[0])
+            shape=node.out_shapes[0])
 
     def Power(self, node):
         assert len(
             node.inputs) == 1, "The count of Permute node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.power_param
         layer_attrs = {
             'scale': params.scale,
@@ -886,7 +895,7 @@ class CaffeOpMapper(OpMapper):
         }
         self.paddle_graph.add_layer(
             "paddle.scale",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=[node.layer_name],
             **layer_attrs)
         self.paddle_graph.add_layer(
@@ -898,14 +907,14 @@ class CaffeOpMapper(OpMapper):
     def Reduction(self, node):
         assert len(
             node.inputs) == 1, "The count of Reduction node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.reduction_param
         operation = params.operation
         axis = params.axis
         coeff = params.coeff
         assert operation >= 1 and operation <= 4, "reduction reduction [%s] error" % (
             operation)
-        input_len = len(node.input_shape[0])
+        input_len = len(node.in_shapes[0])
         if axis < 0:
             axis += input_len + 1
         dim = list(range(input_len))
@@ -917,14 +926,14 @@ class CaffeOpMapper(OpMapper):
             }
             self.paddle_graph.add_layer(
                 "paddle.sum",
-                inputs={"input": self.get_input_name(input)},
+                inputs={"input": input.name},
                 outputs=[node.layer_name],
                 **layer_attrs)
         # operation = ASUM
         elif operation == 2:  
             self.paddle_graph.add_layer(
                 "paddle.abs",
-                inputs={"x": self.get_input_name(input)},
+                inputs={"x": input.name},
                 outputs=[node.layer_name])
             layer_attrs = {
                 "dim": dim[axis:],
@@ -939,7 +948,7 @@ class CaffeOpMapper(OpMapper):
         elif operation == 3: 
             self.paddle_graph.add_layer(
                 "paddle.pow",
-                inputs={"x": self.get_input_name(input)},
+                inputs={"x": input.name},
                 outputs=[node.layer_name],
                 exponent=2.0)
             layer_attrs = {
@@ -959,7 +968,7 @@ class CaffeOpMapper(OpMapper):
             }
             self.paddle_graph.add_layer(
                 "paddle.mean",
-                inputs={"input": self.get_input_name(input)},
+                inputs={"input": input.name},
                 outputs=[node.layer_name],
                 **layer_attrs)
         self.paddle_graph.add_layer(
@@ -976,16 +985,16 @@ class CaffeOpMapper(OpMapper):
             node.inputs) == 3, "The count of DetectionOutput node\'s input is not 3."
         inputs_dict = dict()
         for i in range(len(node.inputs)):
-            input = self.graph.get_bottom_node(node, idx=i, copy=True)
+            input = self.graph.get_input_node(node, idx=i, copy=True)
             if i == 1:
-                input = self.graph.get_bottom_node(node, idx=i, copy=True)
+                input = self.graph.get_input_node(node, idx=i, copy=True)
                 while input is not None \
                       and input.layer_type != 'Softmax' \
                       and input.layer_type != 'Sigmoid':
-                    input = self.graph.get_bottom_node(input, idx=0, copy=True)
+                    input = self.graph.get_input_node(input, idx=0, copy=True)
                 assert input is not None, 'This kind of DetectionOutput is not supported!'
-                input = self.graph.get_bottom_node(input, idx=0, copy=True)
-            inputs_dict["x{}".format(i)] = self.get_input_name(input)
+                input = self.graph.get_input_node(input, idx=0, copy=True)
+            inputs_dict["x{}".format(i)] = input.name
         params = node.layer.detection_output_param
         nms_param = params.nms_param
         nms_param_dict = dict()
@@ -1018,16 +1027,16 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [normalize_name, output_name]
         assert len(
             node.inputs) == 1, "The count of Normalize node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.norm_param
         if node.data is None or len(node.data) != 1:
             print(
                 "The parameter of {} (type is {}) is not set. So we set the parameters as 0"
                 .format(node.layer_name, node.layer_type))
             self.parmas[node.layer_name + ".scale"] = \
-                np.zeros([1] if params.channel_shared else [1, 1, 1, node.input_shape[0][1]]).astype("float32")
+                np.zeros([1] if params.channel_shared else [1, 1, 1, node.in_shapes[0][1]]).astype("float32")
         else:
-            self.parmas[node.layer_name + ".scale"] = self.adjust_parameters(node)[0]
+            self.parmas[node.layer_name + ".scale"] = _adjust_parameters(node)[0]
         
         layer_attrs = {
             "axis": -1 if params.channel_shared else 1,
@@ -1035,19 +1044,19 @@ class CaffeOpMapper(OpMapper):
             "param_shape": self.parmas[node.layer_name + ".scale"].shape}
         self.pd_pdgraph.add_layer(
             "custom_layer:Normalize",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=layer_outputs,
             **layer_attrs)
         
     def Permute(self, node):
         assert len(
             node.inputs) == 1, "The count of Permute node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.permute_param
         order = list(params.order)    
         self.paddle_graph.add_layer(
             "paddle.transpose",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=[node.layer_name],
             perm=order)
         
@@ -1057,11 +1066,11 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [priorbox_name, output_name]
         assert len(
             node.inputs) == 2, "The count of PriorBox node\'s input is not 2."
-        input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
-        input1 = self.graph.get_bottom_node(node, idx=1, copy=True)
+        input0 = self.graph.get_input_node(node, idx=0, copy=True)
+        input1 = self.graph.get_input_node(node, idx=1, copy=True)
         inputs_dict = {}
-        inputs_dict["x0"] = self.get_input_name(input0)
-        inputs_dict["x1"] = self.get_input_name(input1)
+        inputs_dict["x0"] = input0.name
+        inputs_dict["x1"] = input1.name
         params = node.layer.prior_box_param
         steps = tuple(params.step) if type(params.step) \
                 is list or type(params.step) is tuple \
@@ -1092,10 +1101,10 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [relu6_name, output_name]
         assert len(
             node.inputs) == 1, "The count of RelU6 node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         self.paddle_graph.add_layer(
             "paddle.nn.ReLU6",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=layer_outputs)
         
     def ROIPooling(self, node):
@@ -1104,11 +1113,11 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [roipooling_name, output_name]
         assert len(
             node.inputs) == 2, "The count of ROIPooling node\'s input is not 2."
-        input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
-        input1 = self.graph.get_bottom_node(node, idx=1, copy=True)
+        input0 = self.graph.get_input_node(node, idx=0, copy=True)
+        input1 = self.graph.get_input_node(node, idx=1, copy=True)
         inputs_dict = {}
-        inputs_dict["x0"] = self.get_input_name(input0)
-        inputs_dict["x1"] = self.get_input_name(input1)
+        inputs_dict["x0"] = input0.name
+        inputs_dict["x1"] = input1.name
         params = node.layer.roi_pooling_param
         layer_attrs = {
             "pooled_height": params.pooled_h,
@@ -1123,18 +1132,18 @@ class CaffeOpMapper(OpMapper):
     def ShuffleChannel(self, node):
         assert len(
             node.inputs) == 1, "The count of ShuffleChannel node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.shuffle_channel_param
         self.paddle_graph.add_layer(
             "fluid.layers.shuffle_channel",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=[node.layer_name],
             group=params.group)
         
     def Upsample(self, node):
         assert len(
             node.inputs) == 1, "The count of Upsample node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.upsample_param
         layer_attrs = {
             "align_corners": False,
@@ -1142,7 +1151,7 @@ class CaffeOpMapper(OpMapper):
             "mode": "nearest"}
         self.paddle_graph.add_layer(
             "paddle.nn.functioanl.interpolate",
-            inputs={"input": self.get_input_name(input)},
+            inputs={"input": input.name},
             outputs=[node.layer_name],
             **layer_attrs)
     
@@ -1152,8 +1161,8 @@ class CaffeOpMapper(OpMapper):
         layer_outputs = [select_name, output_name]
         assert len(
             node.inputs) == 1, "The count of Select node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
-        input_shape = node.input_shape[0]
+        input = self.graph.get_input_node(node, idx=0, copy=True)
+        input_shape = node.in_shapes[0]
         params = node.layer.select_param
         layer_attrs = {
             "input_shape": input_shape,
@@ -1161,28 +1170,10 @@ class CaffeOpMapper(OpMapper):
             "axis": params.axis}
         self.paddle_graph.add_layer(
             "custom_layer:Select",
-            inputs={"x": self.get_input_name(input)},
+            inputs={"x": input.name},
             outputs=layer_outputs,
             **layer_attrs)
         
 
-    def directly_map(self, node):
-        assert node.layer_type in self.directly_map_ops
-        op_info = self.directly_map_ops[node.layer_type]
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
-        prefix_name = node.layer_type.lower()
-        if prefix_name in self.nn_name2id:
-            self.nn_name2id[prefix_name] += 1
-        else:
-            self.nn_name2id[prefix_name] = 0
-        first_output_name = prefix_name + str(self.nn_name2id[prefix_name])
-        output_name = node.layer_name
-        layer_outputs = [relu_name, output_name]
-        assert len(
-            node.inputs) == 1, "The count of Activate node\'s input is not 1."
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
-        self.paddle_graph.add_layer(
-            op_info,
-            inputs={"input": self.get_input_name(input)},
-            outputs=layer_outputs)
+    
 
diff --git a/x2paddle/op_mapper/dygraph/onnx2paddle/onnx_op_mapper.py b/x2paddle/op_mapper/dygraph/onnx2paddle/onnx_op_mapper.py
index 937747596194f6b229b2f025d18738a036a1ea3f..3eef57a169f5f39af208d1da6aa682d36fc8a54f 100644
--- a/x2paddle/op_mapper/dygraph/onnx2paddle/onnx_op_mapper.py
+++ b/x2paddle/op_mapper/dygraph/onnx2paddle/onnx_op_mapper.py
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import sys
 from x2paddle.op_mapper.dygraph.onnx2paddle.opset9 import OpSet9
 from x2paddle.core.op_mapper import OpMapper
 from x2paddle.decoder.onnx_decoder import ONNXGraphNode
@@ -25,34 +26,33 @@ class ONNXOpMapper(OpMapper):
         self.default_op_set = 9
         self.graph = decoder.graph
         self.paddle_graph = PaddleGraph(parent_layer=None, graph_type="dygraph", source_type="onnx")
+        self.paddle_graph.outputs = self.graph.output_nodes
         self.opset = self.create_opset(decoder)
         if not self.op_checker():
-            raise Exception("Model are not supported yet.")
-        #mapping op
+            raise Exception("Model is not supported yet.")
+        
         print("Total nodes: {}".format(
             sum([
                 isinstance(node, ONNXGraphNode)
                 for name, node in self.graph.node_map.items()
             ])))
-
         print("Nodes converting ...")
-        for node_name in self.graph.topo_sort:
+        for i, node_name in enumerate(self.graph.topo_sort):
+            sys.stderr.write("\rConverting node {} ...     ".format(i + 1))
             node = self.graph.get_node(node_name)
             op = node.layer_type
             if hasattr(self.opset, op):
                 func = getattr(self.opset, op)
                 func(node)
-            elif op in self.opset.default_op_mapping:
+            elif op in self.opset.directly_map_ops:
                 self.opset.directly_map(node)
             elif op in self.opset.elementwise_ops:
                 self.opset.elementwise_map(node)
-        print("Nodes converted.")
-        self.weights = self.opset.weights
-        self.inputs_info = self.opset.inputs_info
+        print("\nNodes converted.")
         self.paddle_graph.set_name(self.graph.graph_name)
-        self.paddle_graph.set_parameters(self.weights)
-        self.paddle_graph.set_inputs_info(self.inputs_info)
-        self.paddle_graph.outputs = self.graph.output_nodes
+        self.paddle_graph.set_parameters(self.opset.weights)
+        self.paddle_graph.set_inputs_info(self.opset.inputs_info)
+        
 
     def op_checker(self):
         unsupported_ops = set()
@@ -60,16 +60,17 @@ class ONNXOpMapper(OpMapper):
             node = self.graph.get_node(node_name)
             op = node.layer_type
             if not hasattr(self.opset, op) and \
-                op not in self.opset.default_op_mapping and \
+                op not in self.opset.directly_map_ops and \
                 op not in self.opset.elementwise_ops:
                 unsupported_ops.add(op)
         if len(unsupported_ops) == 0:
             return True
         else:
-            print("There are {} ops not supported yet, list as below".format(
-                len(unsupported_ops)))
+            if len(unsupported_ops) > 0:
+                print("\n========= {} OPs are not supported yet ===========".format(
+                    len(unsupported_ops)))
             for op in unsupported_ops:
-                print(op)
+                print("========== {} ============".format(op))
             return False
 
     def create_opset(self, decoder):
diff --git a/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py b/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py
index d68fc826af011dfe1ac50f8f914fc67cf16518ca..996740354770ff005e8d93f0da726eed6e59ca14 100644
--- a/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py
+++ b/x2paddle/op_mapper/dygraph/onnx2paddle/opset9/opset.py
@@ -40,7 +40,7 @@ def _const_weight_or_none(node, necessary=False):
         return node.weight
     if necessary:
         assert '{} should be an initializer or Constant operator.'.format(
-            node.layer_name)
+            node.name)
     return None
 
 
@@ -74,7 +74,7 @@ def print_mapping_info(func):
             res = func(*args, **kwargs)
         except:
             print("convert failed node:{}, op_type is {}".format(
-                node.layer_name[9:], node.layer_type))
+                node.name[9:], node.layer_type))
             raise
         else:
             return res
@@ -91,50 +91,46 @@ class OpSet9():
         'Pow': 'paddle.pow',
     }
 
-    default_op_mapping_field_values = OrderedDict()
-    default_op_mapping_field_values['PADDLE_OP'] = ''
-    default_op_mapping_field_values['PADDLE_INPUT_ARGS'] = None
-    default_op_mapping_field_values['ATTR_MAPPING'] = dict()
-    default_op_mapping_field_values['DEFAULTS'] = dict()
-
-    default_op_mapping = {
-        'Shape': ['paddle.shape', ['input']],
-        'Ceil': ['paddle.ceil', ['x']],
-        'ReduceMean': [
-            'paddle.mean', ['x'], dict(
-                axes='axis', keepdims='keepdim'), dict(keepdim=1)
-        ],
-        'ReduceSum': [
-            'paddle.sum', ['x'], dict(
-                axes='axis', keepdims='keepdim'), dict(keepdim=1)
-        ],
-        'ReduceMin': [
-            'paddle.min', ['x'], dict(
-                axes='axis', keepdims='keepdim'), dict(keepdim=1)
-        ],
-        'ReduceMax': [
-            'paddle.max', ['x'], dict(
-                axes='axis', keepdims='keepdim'), dict(keepdim=1)
-        ],
-        #active function
-        'Relu': ['paddle.nn.ReLU', ['x']],
-        'LeakyRelu': ['paddle.nn.LeakyReLU', ['x'], dict(alpha='negative_slope'), 
+    directly_map_ops = {
+        'Ceil': ['paddle.ceil'],
+        # reduce function
+        'ReduceMean': ['paddle.mean',
+                       dict(axes='axis', keepdims='keepdim'), 
+                       dict(keepdims=1)],
+        'ReduceSum': ['paddle.sum', 
+                      dict(axes='axis', keepdims='keepdim'), 
+                      dict(keepdims=1)],
+        'ReduceMin': ['paddle.min', 
+                      dict(axes='axis', keepdims='keepdim'), 
+                      dict(keepdim=1)],
+        'ReduceMax': ['paddle.max', 
+                      dict(axes='axis', keepdims='keepdim'), 
+                      dict(keepdim=1)],
+        # active function
+        'Relu': ['paddle.nn.ReLU'],
+        'LeakyRelu': ['paddle.nn.LeakyReLU', 
+                      dict(alpha='negative_slope'), 
                       dict(negative_slope=.01)],
-        'Elu': ['paddle.nn.functional.elu', ['x'], dict(), dict(alpha=1.)],
-        'ThresholdedRelu': [
-            'paddle.nn.functional.thresholded_relu', ['x'], dict(alpha='threshold'),
-            dict(alpha=1.)
-        ],
-        'Tanh': ['paddle.nn.Tanh', ['x']],
-        'Sigmoid': ['paddle.nn.Sigmoid', ['x']],
-        'Softsign': ['paddle.nn.Softsign', ['x']],
-        'Softplus': ['paddle.nn.Softplus', ['x'], dict(), dict(threshold=float(sys.maxsize))],
-        'Exp': ['paddle.exp', ['x']],
-        'Softmax': ['paddle.nn.Softmax', ['x'], dict(), dict(axis=1)],
-        'Sqrt': ['paddle.sqrt', ['x']],
-        'Floor': ['paddle.floor', ['x']],
-        'Abs': ['paddle.abs', ['x']],
-        'Erf': ['paddle.erf', ['x']],
+        'Elu': ['paddle.nn.functional.elu', 
+                dict(alpha='alpha'), 
+                dict(alpha=1.)],
+        'ThresholdedRelu': ['paddle.nn.functional.thresholded_relu', 
+                            dict(alpha='threshold'),
+                            dict(alpha=1.)],
+        'Tanh': ['paddle.nn.Tanh'],
+        'Sigmoid': ['paddle.nn.Sigmoid'],
+        'Softsign': ['paddle.nn.Softsign'],
+        'Softplus': ['paddle.nn.Softplus', 
+                     dict(threshold='threshold'), 
+                     dict(threshold=float(sys.maxsize))],
+        'Exp': ['paddle.exp'],
+        'Softmax': ['paddle.nn.Softmax', 
+                    dict(axis='axis'), 
+                    dict(axis=1)],
+        'Sqrt': ['paddle.sqrt'],
+        'Floor': ['paddle.floor'],
+        'Abs': ['paddle.abs'],
+        'Erf': ['paddle.erf'],
     }
 
     def __init__(self, decoder, paddle_graph):
@@ -145,72 +141,56 @@ class OpSet9():
         self.inputs_info = dict()
         self.weights = dict()
         self.nn_name2id = dict()
-        
-    def get_node_name(self, node):
-        if hasattr(node, "index"):
-            return "{}_{}".format(node.layer_name, node.index)
-        else:
-            return node.layer_name
 
     @print_mapping_info
     def directly_map(self, node, *args, **kwargs):
         inputs = node.layer.input
-        op_type = node.layer_type
-        attrs = node.attr_map
-        info = self.default_op_mapping[op_type]
-        info.extend(
-            list(self.default_op_mapping_field_values.values())[len(info):])
-        (paddle_op,
-        paddle_input_args,
-        attr_mapping,
-        default_attrs) = info
-        mapped_attrs = {
-            attr_mapping.get(key, key): value
-            for key, value in attrs.items()
-        }
-        if '' in mapped_attrs:
-            mapped_attrs.pop('')
-        if '_' in mapped_attrs:
-            mapped_attrs.pop('_')
-        layer_attrs = default_attrs.copy()
-        layer_attrs.update(mapped_attrs)
         assert len(inputs) == 1, 'directly_map error with multi inputs'
         input = self.graph.get_input_node(node, idx=0, copy=True)
+        onnx_attrs = node.attr_map
+        if '' in onnx_attrs:
+            onnx_attrs.pop('')
+        if '_' in onnx_attrs:
+            onnx_attrs.pop('_')
+        op_info = self.directly_map_ops[node.layer_type]
+        paddle_op = op_info[0]
+        layer_attrs = dict()
+        if len(op_info) > 1:
+            attrs_name_map_dict = op_info[1]
+            for onnx_attr_name, pd_attr_name in attrs_name_map_dict.items():
+                if onnx_attr_name in onnx_attrs:
+                    layer_attrs[pd_attr_name] = onnx_attrs[onnx_attr_name]
+                else:
+                    layer_attrs[pd_attr_name] = op_info[2][onnx_attr_name]
         if paddle_op.startswith("paddle.nn"):
             op_name = paddle_op[10:].lower()
             op_name = name_generator(op_name, self.nn_name2id)
-            output_name = node.layer_name
+            output_name = node.name
             layer_outputs = [op_name, output_name]
             self.paddle_graph.add_layer(
                 kernel=paddle_op,
-                inputs={paddle_input_args[0]: self.get_node_name(input)},
+                inputs={"x": input.name},
                 outputs=layer_outputs,
                 **layer_attrs)
         else:
             self.paddle_graph.add_layer(
                 kernel=paddle_op,
-                inputs={paddle_input_args[0]: self.get_node_name(input)},
-                outputs=[node.layer_name],
+                inputs={"x": input.name},
+                outputs=[node.name],
                 **layer_attrs)        
-        if paddle_op == 'paddle.shape':
-            self.paddle_graph.add_layer(
-                'paddle.cast',
-                inputs={"x": node.layer_name},
-                outputs=[node.layer_name],
-                dtype=string('int64'))
+       
             
     @print_mapping_info
     def elementwise_map(self, node):
-        assert node.layer_type in self.elementwise_ops
         op_type = self.elementwise_ops[node.layer_type]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_y = self.graph.get_input_node(node, idx=1, copy=True)
-        inputs_dict = {'x': self.get_node_name(val_x), 
-                       'y': self.get_node_name(val_y)}
+        inputs_dict = {'x': val_x.name, 
+                       'y': val_y.name}
         self.paddle_graph.add_layer(
             op_type, 
             inputs=inputs_dict, 
-            outputs=[node.layer_name])
+            outputs=[node.name])
 
     @print_mapping_info
     def place_holder(self, node):
@@ -223,7 +203,7 @@ class OpSet9():
         self.paddle_graph.add_layer(
             kernel="paddle.to_tensor",
             inputs={},
-            outputs=[node.layer_name],
+            outputs=[node.name],
             data="x{}".format(self.input_index))
         self.inputs_info["x{}".format(self.input_index)] = [shape, node.dtype]
         self.input_index += 1
@@ -238,18 +218,18 @@ class OpSet9():
             self.paddle_graph.add_layer(
                 "paddle.full", 
                 inputs={}, 
-                outputs=[node.layer_name],
+                outputs=[node.name],
                 dtype=string(dtype),
                 shape=[1],
                 fill_value=node.weight)
         else:
-            self.weights[node.layer_name] = node.weight
+            self.weights[node.name] = node.weight
             self.paddle_graph.add_layer(
                 "self.create_parameter",
                 inputs={},
-                outputs=[node.layer_name],
+                outputs=[node.name],
                 shape=shape,
-                attr=string(node.layer_name),
+                attr=string(node.name),
                 dtype=string(dtype),
                 default_initializer="paddle.nn.initializer.Constant(value=0.0)")
         
@@ -269,23 +249,23 @@ class OpSet9():
 
     def _interpolate(self, node):
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
-        inputs = {'x': self.get_node_name(val_x)}
+        inputs = {'x': val_x.name}
         if node.layer_type == 'Resize':
             if len(node.layer.input) == 2:
                 # opset 10
                 val_scales = self.graph.get_input_node(node, idx=1, copy=True)
-                inputs['scale_factor'] = self.get_node_name(val_scales)
+                inputs['scale_factor'] = val_scales.name
             elif len(node.layer.input) == 3:
                 # opset 11
                 val_scales = self.graph.get_input_node(node, idx=2, copy=True)
-                inputs['scale_factor'] = self.get_node_name(val_scales)
+                inputs['scale_factor'] = val_scales.name
             elif len(node.layer.input) == 4:
                 # opset 11
                 val_sizes = self.graph.get_input_node(node, idx=3, copy=True)
-                var_nc, var_hw = val_sizes.layer_name + '_nc', val_sizes.layer_name + '_hw'
+                var_nc, var_hw = val_sizes.name + '_nc', val_sizes.name + '_hw'
                 self.paddle_graph.add_layer(
                     'paddle.split',
-                    inputs={"x": self.get_node_name(val_sizes)},
+                    inputs={"x": val_sizes.name},
                     outputs=[var_nc, var_hw],
                     num_or_sections=[2, 2],
                     axis=0)
@@ -305,7 +285,7 @@ class OpSet9():
                 self.paddle_graph.add_layer(
                     kernel="fluid.layers.resize_nearest",
                     inputs=inputs,
-                    outputs=[node.layer_name],
+                    outputs=[node.name],
                     **attrs)
                 return
         elif node.layer_type == 'Upsample':
@@ -319,7 +299,7 @@ class OpSet9():
         self.paddle_graph.add_layer(
             kernel="paddle.nn.functional.interpolate",
             inputs=inputs,
-            outputs=[node.layer_name],
+            outputs=[node.name],
             **attrs)
         
     @print_mapping_info
@@ -329,16 +309,29 @@ class OpSet9():
         beta = node.get_attr('beta', 0.5)
         self.paddle_graph.add_layer(
             kernel="paddle.scale",
-            inputs={"x": self.get_node_name(val_x)},
-            outputs=[node.layer_name + "_val"],
+            inputs={"x": val_x.name},
+            outputs=[node.name + "_val"],
             scale=alpha,
             bias=beta)
         self.paddle_graph.add_layer(
             kernel="paddle.clip",
-            inputs={"x": node.layer_name + "_val"},
-            outputs=[node.layer_name],
+            inputs={"x": node.name + "_val"},
+            outputs=[node.name],
             min=0.0,
-            max=1.0)        
+            max=1.0)  
+        
+    @print_mapping_info
+    def Shape(self, node):
+        val_x = self.graph.get_input_node(node, idx=0, copy=True)
+        self.paddle_graph.add_layer(
+            kernel="paddle.shape",
+            inputs={"input": val_x.name},
+            outputs=[node.name])
+        self.paddle_graph.add_layer(
+                'paddle.cast',
+                inputs={"x": node.name},
+                outputs=[node.name],
+                dtype=string('int64'))   
 
     @print_mapping_info
     def RoiAlign(self, node):
@@ -357,9 +350,9 @@ class OpSet9():
         }
         self.paddle_graph.add_layer(
             'fluid.layers.roi_align',
-            inputs={'input': self.get_node_name(val_x),
-                    'rois': self.get_node_name(val_rois)},
-            outputs=[node.layer_name],
+            inputs={'input': val_x.name,
+                    'rois': val_rois.name},
+            outputs=[node.name],
             **layer_attrs)
                        
 
@@ -377,9 +370,9 @@ class OpSet9():
         }
         self.paddle_graph.add_layer(
             'fluid.layers.roi_pool',
-            inputs={'input': self.get_node_name(val_x),
-                    'rois': self.get_node_name(val_rois)},
-            outputs=[node.layer_name],
+            inputs={'input': val_x.name,
+                    'rois': val_rois.name},
+            outputs=[node.name],
             **layer_attrs)
 
     @print_mapping_info
@@ -432,17 +425,17 @@ class OpSet9():
         if op_independent:
             self.paddle_graph.add_layer(
                 paddle_op, 
-                inputs={'x': self.get_node_name(val_x)}, 
-                outputs=[nn_op_name, node.layer_name] if paddle_op == 'paddle.nn.Pad2D' else [node.layer_name], 
+                inputs={'x': val_x.name}, 
+                outputs=[nn_op_name, node.name] if paddle_op == 'paddle.nn.Pad2D' else [node.name], 
                 **layer_attrs)
         else:
             self.paddle_graph.add_layer(
                 paddle_op,
-                inputs={'x': self.get_node_name(val_x)},
-                outputs=[nn_op_name, node.layer_name + '_paded'] if paddle_op == 'paddle.nn.Pad2D' \
-                    else [node.layer_name + '_paded'],
+                inputs={'x': val_x.name},
+                outputs=[nn_op_name, node.name + '_paded'] if paddle_op == 'paddle.nn.Pad2D' \
+                    else [node.name + '_paded'],
                 **layer_attrs)
-            return node.layer_name + '_paded'
+            return node.name + '_paded'
 
     @print_mapping_info
     def Unsqueeze(self, node):
@@ -450,17 +443,17 @@ class OpSet9():
         axes = node.get_attr('axes')
         layer_attrs = {'axis': axes}
         if len(val_x.out_shapes[0]) == 0:
-            if node.layer_name:
+            if node.name:
                 self.paddle_graph.add_layer(
                     'paddle.reshape',
-                    inputs={"x": self.get_node_name(val_x)},
-                    outputs=[node.layer_name],
+                    inputs={"x": val_x.name},
+                    outputs=[node.name],
                     shape=[1])
         else:
             self.paddle_graph.add_layer(
                 'paddle.unsqueeze', 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[node.layer_name],
+                inputs={"x": val_x.name}, 
+                outputs=[node.name],
                 **layer_attrs)
 
     @print_mapping_info
@@ -471,8 +464,8 @@ class OpSet9():
         assert bias == 0.0, 'not support bias!=0'
         self.paddle_graph.add_layer(
             'paddle.nn.functional.hardshrink', 
-            inputs={"x": self.get_node_name(val_x)}, 
-            outputs=[node.layer_name], 
+            inputs={"x": val_x.name}, 
+            outputs=[node.name], 
             threshold=lambd)
 
     @print_mapping_info
@@ -494,26 +487,26 @@ class OpSet9():
             _logger.warning('in (Constant -> %s): '
                             'attribute "shape" of %s not inferred, '
                             'using value as 1-D tensor may lead to fails',
-                            val_output.layer_name, val_output.layer_name)
+                            val_output.name, val_output.name)
         if len(value) == 1:
             value = value.tolist()
             value = value[0]
             self.paddle_graph.add_layer(
                 "paddle.full", 
                 inputs={}, 
-                outputs=[node.layer_name],
+                outputs=[node.name],
                 dtype=string(dtype),
                 shape=[1],
                 fill_value=value)
         else:
             value = np.reshape(value, shape)
-            self.weights[node.layer_name] = value
+            self.weights[node.name] = value
             self.paddle_graph.add_layer(
                 "self.create_parameter",
                 inputs={},
-                outputs=[node.layer_name],
+                outputs=[node.name],
                 shape=shape,
-                attr=string(node.layer_name),
+                attr=string(node.name),
                 dtype=string(dtype),
                 default_initializer="paddle.nn.initializer.Constant(value=0.0)")
 
@@ -528,7 +521,7 @@ class OpSet9():
     @print_mapping_info
     def InstanceNormalization(self, node):
         op_name = name_generator("instanse_norm", self.nn_name2id)
-        output_name = node.layer_name
+        output_name = node.name
         layer_outputs = [op_name, output_name]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_scale = self.graph.get_input_node(node, idx=1, copy=True)
@@ -537,8 +530,8 @@ class OpSet9():
         layer_attrs = {
             'num_features': node.out_shapes[0][1],
             'epsilon': epsilon,
-            'weight_attr': string(self.get_node_name(val_scale)),
-            'bias_attr': string(self.get_node_name(val_b))
+            'weight_attr': string(val_scale.name),
+            'bias_attr': string(val_b.name)
         }
         dim = len(val_x.out_shapes[0])
         if dim == 2 or dim == 3:
@@ -551,7 +544,7 @@ class OpSet9():
             raise Exception("The paddle only support 2D, 3D, 4D or 5D input in InstanceNormalization.")
         self.paddle_graph.add_layer(
             paddle_op, 
-            inputs={"x": self.get_node_name(val_x)}, 
+            inputs={"x": val_x.name}, 
             outputs=layer_outputs, 
             **layer_attrs)
 
@@ -560,9 +553,9 @@ class OpSet9():
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_shape = self.graph.get_input_node(node, idx=1, copy=True)
         val_x_dtype = val_x.dtype
-        name_ones = node.layer_name + '_ones'
+        name_ones = node.name + '_ones'
         attr_ones = {
-            'shape': val_shape.layer_name,
+            'shape': val_shape.name,
             'dtype': string(val_x_dtype),
             'fill_value': 1
         }
@@ -572,11 +565,11 @@ class OpSet9():
             outputs=[name_ones],
             **attr_ones)
         inputs_dict = {'x': name_ones, 
-                       'y': self.get_node_name(val_x)}
+                       'y': val_x.name}
         self.paddle_graph.add_layer(
             'paddle.multiply',
             inputs=inputs_dict,
-            outputs=[node.layer_name])
+            outputs=[node.name])
 
     @print_mapping_info
     def Gather(self, node):
@@ -590,87 +583,87 @@ class OpSet9():
             if len(val_x.out_shapes[0]) <= 1:
                 self.paddle_graph.add_layer(
                     'paddle.gather',
-                    inputs={'x': self.get_node_name(val_x),
-                            'index': self.get_node_name(indices)},
-                    outputs=[node.layer_name])
+                    inputs={'x': val_x.name,
+                            'index': indices.name},
+                    outputs=[node.name])
             elif len(val_x.out_shapes[0]) > 1:
                 if len(indices_shape) == 0:
-                    gather_ = node.layer_name + '_1'
+                    gather_ = node.name + '_1'
                     self.paddle_graph.add_layer(
                         'paddle.gather',
-                        inputs={'x': self.get_node_name(val_x),
-                                'index': self.get_node_name(indices)},
+                        inputs={'x': val_x.name,
+                                'index': indices.name},
                         outputs=[gather_])
                     self.paddle_graph.add_layer(
                         'paddle.squeeze',
                         inputs={'x': gather_},
-                        outputs=[node.layer_name],
+                        outputs=[node.name],
                         axis=[0])
                 else:
                     self.paddle_graph.add_layer(
                         'paddle.gather',
-                        inputs={'x': self.get_node_name(val_x),
-                                'index': self.get_node_name(indices)},
-                        outputs=[node.layer_name])
+                        inputs={'x': val_x.name,
+                                'index': indices.name},
+                        outputs=[node.name])
         elif axis > 0 and len(indices_shape) <= 1:
             perm = list(range(len(val_x.out_shapes[0])))
             perm = [axis] + perm[:axis] + perm[axis + 1:]
-            name_trans = val_x.layer_name + '_trans'
+            name_trans = val_x.name + '_trans'
             self.paddle_graph.add_layer(
                 'paddle.transpose',
-                inputs={"x": self.get_node_name(val_x)},
+                inputs={"x": val_x.name},
                 outputs=[name_trans],
                 perm=perm)
             self.paddle_graph.add_layer(
                 'paddle.gather',
                 inputs={'x': name_trans,
-                        'index': self.get_node_name(indices)},
-                outputs=[node.layer_name])
+                        'index': indices.name},
+                outputs=[node.name])
             self.paddle_graph.add_layer(
                 'paddle.transpose', 
-                inputs={"x": node.layer_name}, 
-                outputs=[node.layer_name], 
+                inputs={"x": node.name}, 
+                outputs=[node.name], 
                 perm=perm)
             if len(indices_shape) < 1:
                 self.paddle_graph.add_layer(
                     'paddle.squeeze',
-                    inputs={'x': node.layer_name},
-                    outputs=[node.layer_name],
+                    inputs={'x': node.name},
+                    outputs=[node.name],
                     axis=[axis])
         elif axis == 0 and len(indices_shape) > 1:
             if val_x.out_shapes[0] is not None and isinstance(
                     val_x, ONNXGraphDataNode):
-                indices_cast = indices.layer_name + '_cast'
+                indices_cast = indices.name + '_cast'
                 self.paddle_graph.add_layer(
                     'paddle.cast',
-                    inputs={"x": self.get_node_name(indices)},
+                    inputs={"x": indices.name},
                     outputs=indices_cast,
                     dtype=string('int64'))
                 op_name = name_generator("embedding", self.nn_name2id)
-                output_name = node.layer_name
+                output_name = node.name
                 layer_outputs = [op_name, output_name]
                 self.paddle_graph.add_layer(
                     'paddle.nn.Embedding',
                     inputs={"x": indices_cast},
                     outputs=layer_outputs,
-                    param_attr=string(val_x.layer_name),
+                    param_attr=string(val_x.name),
                     size=val_x.out_shapes[0])
             else:
                 from functools import reduce
                 reshape_shape = reduce(lambda x, y: x * y, indices_shape)
-                indices_reshape = indices.layer_name + '_shape'
+                indices_reshape = indices.name + '_shape'
                 self.paddle_graph.add_layer(
                     'paddle.reshape',
-                    inputs={"x": self.get_node_name(indices)},
+                    inputs={"x": indices.name},
                     outputs=[indices_reshape],
                     shape=[reshape_shape, ])
 
                 perm = list(range(len(val_x.out_shapes[0])))
                 self.paddle_graph.add_layer(
                     'paddle.gather',
-                    inputs={'x': self.get_node_name(val_x),
+                    inputs={'x': val_x.name,
                             'index': indices_reshape},
-                    outputs=[node.layer_name])
+                    outputs=[node.name])
                 val_x_shape = val_x.out_shapes[0]
                 reshaped_shape = []
                 for i in perm:
@@ -679,36 +672,36 @@ class OpSet9():
                     reshaped_shape.append(i)
                 self.paddle_graph.add_layer(
                     'paddle.reshape',
-                    inputs={"x": node.layer_name},
-                    outputs=[node.layer_name],
+                    inputs={"x": node.name},
+                    outputs=[node.name],
                     shape=reshaped_shape)
         elif axis > 0 and len(indices_shape) > 1:
             from functools import reduce
             reshape_shape = reduce(lambda x, y: x * y, indices_shape)
-            indices_reshape = indices.layer_name + '_shape'
+            indices_reshape = indices.name + '_shape'
             self.paddle_graph.add_layer(
                 'paddle.reshape',
-                inputs={"x": self.get_node_name(indices)},
+                inputs={"x": indices.name},
                 outputs=[indices_reshape],
                 shape=[reshape_shape, ])
 
             perm = list(range(len(val_x.out_shapes[0])))
             perm = [axis] + perm[:axis] + perm[axis + 1:]
-            name_trans = val_x.layer_name + '_transpose'
+            name_trans = val_x.name + '_transpose'
             self.paddle_graph.add_layer(
                 'paddle.transpose',
-                inputs={"x": self.get_node_name(val_x)},
+                inputs={"x": val_x.name},
                 outputs=[name_trans],
                 perm=perm)
             self.paddle_graph.add_layer(
                 'paddle.gather',
                 inputs={'x': name_trans,
                         'index': indices_reshape},
-                outputs=[node.layer_name])
-            input_transpose = node.layer_name + '_transpose'
+                outputs=[node.name])
+            input_transpose = node.name + '_transpose'
             self.paddle_graph.add_layer(
                 'paddle.transpose',
-                inputs={"x": node.layer_name},
+                inputs={"x": node.name},
                 outputs=[input_transpose],
                 perm=perm)
             val_x_shape = val_x.out_shapes[0]
@@ -720,7 +713,7 @@ class OpSet9():
             self.paddle_graph.add_layer(
                 'paddle.reshape',
                 inputs={"x": input_transpose},
-                outputs=[node.layer_name],
+                outputs=[node.name],
                 shape=reshaped_shape)
 
     @print_mapping_info
@@ -731,38 +724,38 @@ class OpSet9():
         if len(indices.out_shapes[0]) == 1:
             self.paddle_graph.add_layer(
                 'paddle.scatter',
-                inputs={'x': self.get_node_name(val_x),
-                        'index': self.get_node_name(indices),
-                        'updates': self.get_node_name(updates)},
-                outputs=[node.layer_name])
+                inputs={'x': val_x.name,
+                        'index': indices.name,
+                        'updates': updates.name},
+                outputs=[node.name])
         else:
-            input_inner_indices = node.layer_name + '_input_inner_indices'
+            input_inner_indices = node.name + '_input_inner_indices'
             shape = val_x.out_shapes[0]
             self.paddle_graph.add_layer(
                 'paddle.reshape',
-                inputs={"x": self.get_node_name(indices)},
-                outputs=[self.get_node_name(indices)],
+                inputs={"x": indices.name},
+                outputs=[indices.name],
                 shape=indices.out_shapes[0])
 
-            zeros_like_val_x = val_x.layer_name + '_zeros'
+            zeros_like_val_x = val_x.name + '_zeros'
             self.paddle_graph.add_layer(
                 'paddle.zeros_like',
-                inputs={"x": self.get_node_name(val_x)},
+                inputs={"x": val_x.name},
                 outputs=[zeros_like_val_x])
             self.paddle_graph.add_layer(
                 'paddle.scatter_nd_add',
                 inputs={
                     'x': zeros_like_val_x,
-                    'index': self.get_node_name(indices),
-                    'updates': self.get_node_name(updates)
+                    'index': indices.name,
+                    'updates': updates.name
                 },
                 outputs=[input_inner_indices])
-            indices_mask = node.layer_name + '_indices_mask'
-            constant_minus_one = node.layer_name + '_constant_minus_one'
+            indices_mask = node.name + '_indices_mask'
+            constant_minus_one = node.name + '_constant_minus_one'
             # full_like support create tensor shape like input tensor
             self.paddle_graph.add_layer(
                 'paddle.full_like',
-                inputs={"x": self.get_node_name(updates)},
+                inputs={"x": updates.name},
                 outputs=[constant_minus_one],
                 dtype=string(updates.dtype),
                 fill_value=-1)
@@ -770,29 +763,29 @@ class OpSet9():
                 'paddle.scatter_nd_add',
                 inputs={
                     'x': zeros_like_val_x,
-                    'index': self.get_node_name(indices),
+                    'index': indices.name,
                     'updates': constant_minus_one
                 },
                 outputs=[indices_mask])
-            constant_one = node.layer_name + '_constant_1'
+            constant_one = node.name + '_constant_1'
             # full_like support create tensor shape like input tensor
             self.paddle_graph.add_layer(
                 'paddle.full_like',
-                inputs={"x": self.get_node_name(val_x)},
+                inputs={"x": val_x.name},
                 outputs=[constant_one],
                 dtype=string(val_x.dtype),
                 fill_value=1)
-            input_out_indices_mask = node.layer_name + '_input_out_indices_mask'
+            input_out_indices_mask = node.name + '_input_out_indices_mask'
             self.paddle_graph.add_layer(
                 "paddle.add",
                 inputs={"x": indices_mask,
                         "y": constant_one},
                 outputs=[input_out_indices_mask])
 
-            input_out_indices = node.layer_name + '_input_out_indices'
+            input_out_indices = node.name + '_input_out_indices'
             self.paddle_graph.add_layer(
                 "paddle.multiply",
-                inputs={"x": self.get_node_name(val_x),
+                inputs={"x": val_x.name,
                         "y": input_out_indices_mask},
                 outputs=[input_out_indices])
 
@@ -800,7 +793,7 @@ class OpSet9():
                 "paddle.add",
                 inputs={"x": input_inner_indices,
                         "y": input_out_indices},
-                outputs=[node.layer_name])
+                outputs=[node.name])
 
     @print_mapping_info
     def Range(self, node):
@@ -808,13 +801,13 @@ class OpSet9():
         val_limit = self.graph.get_input_node(node, idx=1, copy=True)
         val_delta = self.graph.get_input_node(node, idx=2, copy=True)
         dtype = val_start.dtype
-        inputs = {'start': self.get_node_name(val_start), 
-                  'end': self.get_node_name(val_limit), 
-                  'step': self.get_node_name(val_delta)}
+        inputs = {'start': val_start.name, 
+                  'end': val_limit.name, 
+                  'step': val_delta.name}
         self.paddle_graph.add_layer(
             'paddle.arange',
             inputs=inputs,
-            outputs=[node.layer_name],
+            outputs=[node.name],
             dtype=string(dtype))
 
     @print_mapping_info
@@ -836,8 +829,8 @@ class OpSet9():
                 steps = _const_weight_or_none(steps)
             layer_attrs = {
                 "axes": axes,
-                "starts": starts.layer_name,
-                "ends": ends.layer_name
+                "starts": starts.name,
+                "ends": ends.name
             }
             if starts_value is not None and ends_value is not None:
                 starts_value = starts_value.copy()
@@ -860,18 +853,18 @@ class OpSet9():
                 }
             else:
                 if starts.dtype != 'int32':
-                    starts_cast = starts.layer_name + '_cast'
+                    starts_cast = starts.name + '_cast'
                     self.paddle_graph.add_layer(
                         'paddle.cast',
-                        inputs={"x": self.get_node_name(starts)},
+                        inputs={"x": starts.name},
                         outputs=[starts_cast],
                         dtype=string('int32'))
                     layer_attrs['starts'] = starts_cast
                 if ends.dtype != 'int32':
-                    ends_cast = ends.layer_name + '_cast'
+                    ends_cast = ends.name + '_cast'
                 self.paddle_graph.add_layer(
                     'paddle.cast',
-                    inputs={"x": self.get_node_name(ends)},
+                    inputs={"x": ends.name},
                     outputs=[ends_cast],
                     dtype=string('int32'))
                 layer_attrs['ends'] = ends_cast
@@ -888,14 +881,14 @@ class OpSet9():
             layer_attrs['strides'] = steps
             self.paddle_graph.add_layer(
                 'paddle.strided_slice', 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[node.layer_name], 
+                inputs={"x": val_x.name}, 
+                outputs=[node.name], 
                 **layer_attrs)
         else:
             self.paddle_graph.add_layer(
                 'paddle.slice', 
-                inputs={"input": self.get_node_name(val_x)}, 
-                outputs=[node.layer_name],  
+                inputs={"input": val_x.name}, 
+                outputs=[node.name],  
                 **layer_attrs)
 
     @print_mapping_info
@@ -911,14 +904,14 @@ class OpSet9():
         if len(value) == 1:
             value = value[0]
             layer_attrs = {
-                'shape': val_shape.layer_name,
+                'shape': val_shape.name,
                 'dtype': string(dtype),
                 'fill_value': value
             }
             self.paddle_graph.add_layer(
                 "paddle.full", 
                 inputs={}, 
-                outputs=[node.layer_name],
+                outputs=[node.name],
                 **layer_attrs)
 
     @print_mapping_info
@@ -935,8 +928,8 @@ class OpSet9():
             }
             self.paddle_graph.add_layer(
                 'paddle.clip', 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[node.layer_name], 
+                inputs={"x": val_x.name}, 
+                outputs=[node.name], 
                 **layer_attrs)
         else:
             max_ipt = self.graph.get_input_node(node, idx=1, copy=True)
@@ -951,8 +944,8 @@ class OpSet9():
             layer_attrs = {'max': max_value, 'min': min_value}
             self.paddle_graph.add_layer(
                 'paddle.clip', 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[node.layer_name], 
+                inputs={"x": val_x.name}, 
+                outputs=[node.name], 
                 **layer_attrs)
         else:
             raise
@@ -960,7 +953,6 @@ class OpSet9():
     @print_mapping_info
     def Split(self, node):
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
-
         paddle_op = 'split'
         split = node.get_attr('split')
         axis = node.get_attr('axis', 0)
@@ -970,14 +962,13 @@ class OpSet9():
         }
         outputs_list = list()
         if isinstance(split, list) or isinstance(split, tuple):
-            for i, s in enumerate(split):
-                outputs_list.append("{}_{}".format(node.layer_name, i))
+            for i in range(len(split)):
+                outputs_list.append("{}_p{}".format(node.layer_name, i))
         else:
-            outputs_list.append(node.layer_name)
-
+            outputs_list.append(node.name)
         self.paddle_graph.add_layer(
             'paddle.split', 
-            inputs={"x": self.get_node_name(val_x)}, 
+            inputs={"x": val_x.name}, 
             outputs=outputs_list, 
             **layer_attrs)
 
@@ -992,28 +983,28 @@ class OpSet9():
         if shape_value is not None:
             self.paddle_graph.add_layer(
                 'paddle.reshape',
-                inputs={'x': self.get_node_name(val_x)},
-                outputs=[node.layer_name],
+                inputs={'x': val_x.name},
+                outputs=[node.name],
                 shape=shape_value.tolist())
         elif len(node.out_shapes[0]) > 0 and _is_static_shape(node.out_shapes[
                 0]):
             self.paddle_graph.add_layer(
                 'paddle.reshape',
-                inputs={'x': self.get_node_name(val_x)},
-                outputs=[node.layer_name],
+                inputs={'x': val_x.name},
+                outputs=[node.name],
                 shape=node.out_shapes[0])
         else:
             # shape may be [], come form Gather by scalar indices
             if len(val_shape.out_shapes[0]) > 0:
                 self.paddle_graph.add_layer(
                     'paddle.reshape',
-                    inputs={'x': self.get_node_name(val_shape)},
-                    outputs=[self.get_node_name(val_shape)],
+                    inputs={'x': val_shape.name},
+                    outputs=[val_shape.name],
                     shape=val_shape.out_shapes[0])
             self.paddle_graph.add_layer(
                 'paddle.reshape',
-                inputs={'x': self.get_node_name(val_x),
-                        'shape': self.get_node_name(val_shape)},
+                inputs={'x': val_x.name,
+                        'shape': val_shape.name},
                 outputs=node)
 
     @print_mapping_info
@@ -1030,16 +1021,16 @@ class OpSet9():
             assert dtype == output_dtype, 'dtype of to unmatches output'
         self.paddle_graph.add_layer(
             'paddle.cast', 
-            inputs={'x': self.get_node_name(val_input)}, 
-            outputs=[node.layer_name], 
+            inputs={'x': val_input.name}, 
+            outputs=[node.name], 
             dtype=string(dtype))
 
     @print_mapping_info
     def Not(self, node):
         val_input = self.graph.get_input_node(node, idx=0, copy=True)
         self.paddle_graph.add_layer('paddle.logical_not', 
-                                    inputs={'x': self.get_node_name(val_input)}, 
-                                    outputs=[node.layer_name])
+                                    inputs={'x': val_input.name}, 
+                                    outputs=[node.name])
 
     @print_mapping_info
     def AveragePool(self, node):
@@ -1072,16 +1063,16 @@ class OpSet9():
             "pool_padding": paddings,
             "ceil_mode": ceil_mode,
             "exclusive": 'True',
-            "name": string(node.layer_name)
+            "name": string(node.name)
         }
         self.paddle_graph.add_layer(
             paddle_op, 
-            inputs={'input': val_x if isinstance(val_x, str) else self.get_node_name(val_x)}, 
-            outputs=[node.layer_name], 
+            inputs={'input': val_x if isinstance(val_x, str) else val_x.name}, 
+            outputs=[node.name], 
             **layer_attrs)
         # TODO(syf): op has diff
 #         op_name = name_generator("pool", self.nn_name2id)
-#         output_name = node.layer_name
+#         output_name = node.name
 #         layer_outputs = [op_name, output_name]
 #         paddle_op = 'paddle.nn.Pool{}D'.format(poolnd)
 #         assert 1 <= poolnd <= 3, 'only Pool1D, Pool2D and Pool3D are supported'
@@ -1094,7 +1085,7 @@ class OpSet9():
 #         }
 #         self.paddle_graph.add_layer(
 #             paddle_op, 
-#             inputs={'x': self.get_node_name(val_x)}, 
+#             inputs={'x': val_x.name}, 
 #             outputs=layer_outputs, 
 #             **layer_attrs)
 
@@ -1104,7 +1095,7 @@ class OpSet9():
         dtypes = set()
         for i in range(len(node.layer.input)):
             ipt = self.graph.get_input_node(node, idx=i, copy=True)
-            inputs_list.append(self.get_node_name(ipt))
+            inputs_list.append(ipt.name)
             dtypes.add(ipt.dtype)
         if len(dtypes) > 1:
             assert 'Unspported situation happened, please create issue on https://github.com/PaddlePaddle/X2Paddle/issues.'
@@ -1112,7 +1103,7 @@ class OpSet9():
         self.paddle_graph.add_layer(
             'paddle.concat', 
             inputs={"x": inputs_list}, 
-            outputs=[node.layer_name], 
+            outputs=[node.name], 
             axis=axis)
 
     @print_mapping_info
@@ -1131,8 +1122,8 @@ class OpSet9():
                 shape_list[1] *= s
         self.paddle_graph.add_layer(
             'paddle.reshape', 
-            inputs={"x": self.get_node_name(val_x)}, 
-            outputs=[node.layer_name],
+            inputs={"x": val_x.name}, 
+            outputs=[node.name],
             shape=shape_list)
 
     @print_mapping_info
@@ -1145,9 +1136,9 @@ class OpSet9():
         beta = node.get_attr('beta', 1.)  # optional
         trans_a = bool(node.get_attr('transA', 0))  # optional
         trans_b = bool(node.get_attr('transB', 0))  # optional
-        val_mm = node.layer_name + '_mm'
-        matmul_inputs = {"x": self.get_node_name(val_a), 
-                         "y": self.get_node_name(val_b)}
+        val_mm = node.name + '_mm'
+        matmul_inputs = {"x": val_a.name, 
+                         "y": val_b.name}
         attr_matmul = {
             "transpose_x": trans_a,
             "transpose_y": trans_b,
@@ -1166,49 +1157,47 @@ class OpSet9():
         if beta != 0:
             if beta == 1.:
                 add_inputs = {"x": val_mm, 
-                              "y": self.get_node_name(val_c)}
+                              "y": val_c.name}
                 self.paddle_graph.add_layer(
                     "paddle.add",
                     inputs=add_inputs,
-                    outputs=[node.layer_name])
+                    outputs=[node.name])
             else:
-                var_beta = node.layer_name + '_beta'
+                var_beta = node.name + '_beta'
                 self.paddle_graph.add_layer(
                     "paddle.scale",
-                    inputs={"x": self.get_node_name(val_c)},
+                    inputs={"x": val_c.name},
                     outputs=[var_beta],
                     scale=beta)
                 add_inputs = {"x": val_mm, "y": var_beta}
                 self.paddle_graph.add_layer(
                     "paddle.add",
                     inputs=add_inputs,
-                    outputs=[node.layer_name])
+                    outputs=[node.name])
 
     @print_mapping_info
     def Sum(self, node):
         val_inps = node.layer.input
         inputs_dict = {
-            "x": self.get_node_name(
-                self.graph.get_input_node(
-                node, idx=0, copy=True)),
-            "y": self.get_node_name(
-                self.graph.get_input_node(
-                node, idx=1, copy=True)),
+            "x": self.graph.get_input_node(
+                node, idx=0, copy=True).name,
+            "y": self.graph.get_input_node(
+                node, idx=1, copy=True).name,
         }
         self.paddle_graph.add_layer("paddle.add", 
                                     inputs=inputs_dict, 
-                                    outputs=[node.layer_name])
+                                    outputs=[node.name])
 
         for idx, ipt in enumerate(val_inps[2:]):
             y = self.graph.get_input_node(node, idx=idx, copy=True)
             inputs_dict = {
-                "x": node.layer_name,
-                "y": self.get_node_name(y),
+                "x": node.name,
+                "y": y.name,
             }
             self.paddle_graph.add_layer(
                 "paddle.add", 
                 inputs=inputs_dict, 
-                outputs=[node.layer_name])
+                outputs=[node.name])
 
     @print_mapping_info
     def MatMul(self, node):
@@ -1216,30 +1205,30 @@ class OpSet9():
         val_y = self.graph.get_input_node(node, idx=1, copy=True)
         x_shape = val_x.out_shapes[0]
         y_shape = val_y.out_shapes[0]
-        inputs_dict = {"x": self.get_node_name(val_x), 
-                       "y": self.get_node_name(val_y)}
+        inputs_dict = {"x": val_x.name, 
+                       "y": val_y.name}
         if y_shape[0] == 1 and x_shape[-1] != 1 and x_shape[0] != 1:
-            y_squeeze = val_y.layer_name + '_squeeze'
+            y_squeeze = val_y.name + '_squeeze'
             self.paddle_graph.add_layer(
                 "paddle.squeeze",
-                inputs={"x": self.get_node_name(val_y)},
+                inputs={"x": val_y.name},
                 outputs=[y_squeeze],
                 axis=[0])
             inputs_dict['y'] = y_squeeze
             self.paddle_graph.add_layer(
                 "paddle.matmul", 
                 inputs=inputs_dict, 
-                outputs=[node.layer_name])
+                outputs=[node.name])
         else:
             self.paddle_graph.add_layer(
                 "paddle.matmul", 
                 inputs=inputs_dict, 
-                outputs=[node.layer_name])
+                outputs=[node.name])
 
     @print_mapping_info
     def BatchNormalization(self, node):
         op_name = name_generator("batchnorm", self.nn_name2id)
-        output_name = node.layer_name
+        output_name = node.name
         layer_outputs = [op_name, output_name]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_scale = self.graph.get_input_node(node, idx=1, copy=True)
@@ -1258,15 +1247,15 @@ class OpSet9():
             "momentum": momentum,
             "epsilon": epsilon,
             "is_test": True,
-            "param_attr": string(self.get_node_name(val_scale)),
-            "bias_attr": string(self.get_node_name(val_b)),
-            "moving_mean_name": string(self.get_node_name(val_mean)),
-            "moving_variance_name": string(self.get_node_name(val_var)),
+            "param_attr": string(val_scale.name),
+            "bias_attr": string(val_b.name),
+            "moving_mean_name": string(val_mean.name),
+            "moving_variance_name": string(val_var.name),
             "use_global_stats": False,
         }
         self.paddle_graph.add_layer(
             "paddle.nn.BatchNorm", 
-            inputs={"x": self.get_node_name(val_x)}, 
+            inputs={"x": val_x.name}, 
             outputs=layer_outputs, 
             **layer_attrs)
 
@@ -1276,14 +1265,14 @@ class OpSet9():
         perm = node.get_attr('perm')
         self.paddle_graph.add_layer(
             "paddle.transpose", 
-            inputs={"x": self.get_node_name(val_x)},
-            outputs=[node.layer_name], 
+            inputs={"x": val_x.name},
+            outputs=[node.name], 
             perm=perm)
 
     @print_mapping_info
     def PRelu(self, node):
         op_name = name_generator("prelu", self.nn_name2id)
-        output_name = node.layer_name
+        output_name = node.name
         layer_outputs = [op_name, output_name]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_slope = self.graph.get_input_node(node, idx=1, copy=True)
@@ -1299,17 +1288,17 @@ class OpSet9():
             # paddle params shape need be [1, channel]
             slope_data = _const_weight_or_none(val_slope)
             slope_data = np.reshape(slope_data, [1] + shape_slope)
-            self.weights[val_slope.layer_name] = slope_data
+            self.weights[val_slope.name] = slope_data
             num_parameters = val_x.out_shapes[0][1]
         else:
             num_parameters = 1
 
         self.paddle_graph.add_layer(
             "paddle.nn.PReLU", 
-            inputs={"x": self.get_node_name(val_x)}, 
+            inputs={"x": val_x.name}, 
             outputs=layer_outputs, 
             num_parameters=num_parameters,
-            weight_attr=string(val_slope.layer_name))
+            weight_attr=string(val_slope.name))
 
     @print_mapping_info
     def Squeeze(self, node):
@@ -1318,14 +1307,14 @@ class OpSet9():
         if len(val_x.out_shapes[0]) == 1:
             self.paddle_graph.add_layer(
                 "paddle.cast",
-                inputs={"x": self.get_node_name(val_x)},
-                outputs=[node.layer_name],
+                inputs={"x": val_x.name},
+                outputs=[node.name],
                 dtype=string(val_x.dtype))
         else:
             self.paddle_graph.add_layer(
                 "paddle.squeeze", 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[node.layer_name], 
+                inputs={"x": val_x.name}, 
+                outputs=[node.name], 
                 axis=axes)
 
     @print_mapping_info
@@ -1334,9 +1323,9 @@ class OpSet9():
         val_y = self.graph.get_input_node(node, idx=1, copy=True)
         self.paddle_graph.add_layer(
             "paddle.equal",
-            inputs={'x': self.get_node_name(val_x),
-                    'y': self.get_node_name(val_y)},
-            outputs=[node.layer_name])
+            inputs={'x': val_x.name,
+                    'y': val_y.name},
+            outputs=[node.name])
 
     @print_mapping_info
     def Greater(self, node):
@@ -1344,8 +1333,8 @@ class OpSet9():
         val_y = self.graph.get_input_node(node, idx=1, copy=True)
         self.paddle_graph.add_layer(
             "paddle.greater_than",
-            inputs={'x': self.get_node_name(val_x),
-                    'y': self.get_node_name(val_y)},
+            inputs={'x': val_x.name,
+                    'y': val_y.name},
             outputs=node,
             param_attr=None)
 
@@ -1355,10 +1344,10 @@ class OpSet9():
         val_x = self.graph.get_input_node(node, idx=1, copy=True)
         val_y = self.graph.get_input_node(node, idx=2, copy=True)
 
-        not_condition = condition.layer_name + '_not'
+        not_condition = condition.name + '_not'
         self.paddle_graph.add_layer(
             "paddle.logical_not",
-            inputs={"x": self.get_node_name(condition)},
+            inputs={"x": condition.name},
             outputs=[not_condition])
         cast_not_condition = not_condition + '_cast'
         self.paddle_graph.add_layer(
@@ -1366,22 +1355,22 @@ class OpSet9():
             inputs={"x": not_condition},
             outputs=[cast_not_condition],
             dtype=string(val_x.dtype))
-        cast_condition = condition.layer_name + '_cast'
+        cast_condition = condition.name + '_cast'
         self.paddle_graph.add_layer(
             "paddle.cast",
-            inputs={"x": self.get_node_name(condition)},
+            inputs={"x": condition.name},
             outputs=[cast_condition],
             dtype=string(val_x.dtype))
-        mul_val_x = val_x.layer_name + '_mul'
+        mul_val_x = val_x.name + '_mul'
         self.paddle_graph.add_layer(
             "paddle.multiply",
-            inputs={'x': self.get_node_name(val_x),
+            inputs={'x': val_x.name,
                     'y': cast_condition},
             outputs=[mul_val_x])
-        mul_val_y = val_y.layer_name + '_mul'
+        mul_val_y = val_y.name + '_mul'
         self.paddle_graph.add_layer(
             "paddle.multiply",
-            inputs={'x': self.get_node_name(val_y),
+            inputs={'x': val_y.name,
                     'y': cast_not_condition},
             outputs=[mul_val_y])
 
@@ -1389,7 +1378,7 @@ class OpSet9():
             "paddle.add",
             inputs={'x': mul_val_x,
                     'y': mul_val_y},
-            outputs=[node.layer_name])
+            outputs=[node.name])
 
     @print_mapping_info
     def NonZero(self, node):
@@ -1398,36 +1387,36 @@ class OpSet9():
         if val_x_dim == 1:
             self.paddle_graph.add_layer(
                 "paddle.nonzero", 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[self.get_node_name(val_x)])
+                inputs={"x": val_x.name}, 
+                outputs=[val_x.name])
             self.paddle_graph.add_layer(
                 "paddle.transpose",
-                inputs={"x": self.get_node_name(val_x)},
+                inputs={"x": val_x.name},
                 outputs=[node.layer_naem],
                 perm=[1, 0])
         if val_x_dim > 1:
             self.paddle_graph.add_layer(
                 "paddle.nonzero", 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[self.get_node_name(val_x)])
+                inputs={"x": val_x.name}, 
+                outputs=[val_x.name])
             self.paddle_graph.add_layer(
                 "paddle.split",
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[self.get_node_name(val_x)],
+                inputs={"x": val_x.name}, 
+                outputs=[val_x.name],
                 num_or_sections=1,
                 axis=val_x_dim)
             self.paddle_graph.add_layer(
                 "paddle.concat", 
-                inputs={"x": self.get_node_name(val_x)}, 
-                outputs=[node.layer_name])
+                inputs={"x": val_x.name}, 
+                outputs=[node.name])
 
     @print_mapping_info
     def Identity(self, node):
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         self.paddle_graph.add_layer(
             "paddle.assign", 
-            inputs={"x": self.get_node_name(val_x)}, 
-            outputs=[node.layer_name])
+            inputs={"x": val_x.name}, 
+            outputs=[node.name])
 
     @print_mapping_info
     def Tile(self, node):
@@ -1436,7 +1425,7 @@ class OpSet9():
         repeats = _const_weight_or_none(val_repeats)
 
         if repeats is None:
-            repeats = val_repeats.layer_name
+            repeats = val_repeats.name
             if val_repeats.dtype != 'int32':
                 self.paddle_graph.add_layer(
                     "paddle.cast",
@@ -1450,18 +1439,18 @@ class OpSet9():
 
         attr = {
             'expand_times': repeats,
-            "name": string(node.layer_name),
+            "name": string(node.name),
         }
         self.paddle_graph.add_layer(
             "paddle.tile", 
-            inputs={"x": self.get_node_name(val_x)}, 
-                    outputs=[node.layer_name], 
+            inputs={"x": val_x.name}, 
+                    outputs=[node.name], 
                     repeat_times=repeats)
 
     @print_mapping_info
     def MaxPool(self, node):
         op_name = name_generator("pool", self.nn_name2id)
-        output_name = node.layer_name
+        output_name = node.name
         layer_outputs = [op_name, output_name]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         auto_pad = node.get_attr('auto_pad', 'NOTSET')
@@ -1495,14 +1484,14 @@ class OpSet9():
         }
         self.paddle_graph.add_layer(
             paddle_op, 
-            inputs={'x': val_x if isinstance(val_x, str) else self.get_node_name(val_x)}, 
+            inputs={'x': val_x if isinstance(val_x, str) else val_x.name}, 
             outputs=layer_outputs, 
             **layer_attrs)
 
     @print_mapping_info
     def GlobalMaxPool(self, node):
         op_name = name_generator("pool", self.nn_name2id)
-        output_name = node.layer_name
+        output_name = node.name
         layer_outputs = [op_name, output_name]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         input_shape = val_x.out_shapes[0]
@@ -1517,14 +1506,14 @@ class OpSet9():
         output_shape = node.out_shapes[0]
         self.paddle_graph.add_layer(
             paddle_op, 
-            inputs={'x': self.get_node_name(val_x)}, 
+            inputs={'x': val_x.name}, 
             outputs=layer_outputs, 
             output_size=output_shape[2:])
 
     @print_mapping_info
     def GlobalAveragePool(self, node):
         op_name = name_generator("pool", self.nn_name2id)
-        output_name = node.layer_name
+        output_name = node.name
         layer_outputs = [op_name, output_name]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         input_shape = val_x.out_shapes[0]
@@ -1539,14 +1528,14 @@ class OpSet9():
         output_shape = node.out_shapes[0]
         self.paddle_graph.add_layer(
             paddle_op, 
-            inputs={'x': self.get_node_name(val_x)}, 
+            inputs={'x': val_x.name}, 
             outputs=layer_outputs, 
             output_size=output_shape[2:])
 
     @print_mapping_info
     def Conv(self, node):
         op_name = name_generator("conv", self.nn_name2id)
-        output_name = node.layer_name
+        output_name = node.name
         layer_outputs = [op_name, output_name]
         val_x = self.graph.get_input_node(node, idx=0, copy=True)
         val_w = self.graph.get_input_node(node, idx=1, copy=True)
@@ -1586,15 +1575,15 @@ class OpSet9():
             "padding": paddings,
             "dilation": dilations,
             "groups": num_groups,
-            'weight_attr': string(val_w.layer_name),
+            'weight_attr': string(val_w.name),
         }
         if has_bias:
-            layer_attrs["bias_attr"] = string(val_b.layer_name)
+            layer_attrs["bias_attr"] = string(val_b.name)
         else:
             layer_attrs["bias_attr"] = False
         self.paddle_graph.add_layer(
             paddle_op, 
-            inputs={'x': val_x if isinstance(val_x, str) else self.get_node_name(val_x)}, 
+            inputs={'x': val_x if isinstance(val_x, str) else val_x.name}, 
             outputs=layer_outputs, 
             **layer_attrs)
 
@@ -1640,16 +1629,16 @@ class OpSet9():
 #             'stride': strides,
 #             'dilation': dilations,
 #             'groups': num_groups,
-#             'weight_attr': string(val_w.layer_name),
-#             'bias_attr': None if val_b is None else string(val_b.layer_name),
+#             'weight_attr': string(val_w.name),
+#             'bias_attr': None if val_b is None else string(val_b.name),
 #         }
 #         self.paddle_graph.add_layer(
 #             paddle_op, 
-#             inputs={"x": self.get_node_name(val_x)}, 
+#             inputs={"x": val_x.name}, 
 #             outputs=layer_outputs, 
 #             **layer_attrs)
-        inputs_dict = {'x': val_x if isinstance(val_x, str) else self.get_node_name(val_x),
-                       "weight": val_w.layer_name}
+        inputs_dict = {'x': val_x if isinstance(val_x, str) else val_x.name,
+                       "weight": val_w.name}
         layer_attrs = {
             "stride": strides,
             "dilation": dilations,
@@ -1657,11 +1646,11 @@ class OpSet9():
             "groups": num_groups,
             "output_size": node.out_shapes[0][2:]}
         if val_b is not None:
-            inputs_dict["bias"] = val_b.layer_name
+            inputs_dict["bias"] = val_b.name
         else:
             layer_attrs["bias"] = None
         self.paddle_graph.add_layer(
             kernel="paddle.nn.functional.conv2d_transpose",
             inputs=inputs_dict,
-            outputs=[node.layer_name],
+            outputs=[node.name],
             **layer_attrs)
diff --git a/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_op_mapper.py b/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_op_mapper.py
index cb210956b7804fd76fd9ec1bc54a8c43c0bf6dac..118790772565bc565115adeffd65af22cafb6adf 100644
--- a/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_op_mapper.py
+++ b/x2paddle/op_mapper/dygraph/pytorch2paddle/pytorch_op_mapper.py
@@ -38,28 +38,34 @@ class PyTorchOpMapper(OpMapper):
         self.scope_name2id = dict()
         self.inputs_info = dict()
         # 转换
-        self.check_op(decoder.graph)
+        if not self.op_checker(decoder.graph):
+            raise Exception("Model is not supported yet.")
         self.paddle_graph, _ = self.traverse(decoder.graph)
         self.paddle_graph.set_inputs_info(self.inputs_info)
 
-    def check_op(self, script_graph):
+    def op_checker(self, script_graph):
         def _update_op_list(graph):
             for node in graph.nodes():
                 op_list.append(node.kind())
                 for block in node.blocks():
                     _update_op_list(block)
-
         op_list = list()
         _update_op_list(script_graph)
         op_list = list(set(op_list))
-        unsupported_op_list = []
+        unsupported_ops = []
         for op in op_list:
             func_name = op.replace('::', '_')
             if not (hasattr(prim, func_name) or hasattr(aten, func_name)):
-                unsupported_op_list.append(op)
-        if len(unsupported_op_list) > 0:
-            raise Exception("The kind {} in model is not supported yet.".format(
-                unsupported_op_list))
+                unsupported_ops.append(op)
+        if len(unsupported_ops) == 0:
+            return True
+        else:
+            if len(unsupported_ops) > 0:
+                print("\n========= {} OPs are not supported yet ===========".format(
+                    len(unsupported_ops)))
+            for op in unsupported_ops:
+                print("========== {} ============".format(op))
+            return False 
 
     def traverse(self, script_graph, parent_layer=None):
         # 用于获取graph的输入
diff --git a/x2paddle/op_mapper/dygraph/tf2paddle/tf_op_mapper.py b/x2paddle/op_mapper/dygraph/tf2paddle/tf_op_mapper.py
index f495b2b5582a7f5e48ef148de648a046bbe0cf12..a326e8abf43df44c786d909f9480b7b920701514 100644
--- a/x2paddle/op_mapper/dygraph/tf2paddle/tf_op_mapper.py
+++ b/x2paddle/op_mapper/dygraph/tf2paddle/tf_op_mapper.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from x2paddle.decoder.tf_decoder import TFGraph
+from x2paddle.decoder.tf_decoder import TFGraph, TFGraphNode
 from x2paddle.core.program import PaddleGraph 
 from x2paddle.core.op_mapper import OpMapper
 from x2paddle.core.util import *
@@ -58,10 +58,9 @@ class TFOpMapper(OpMapper):
         'swish_f32': ['paddle.nn.Swish'],
         'Tanh': ['paddle.nn.Tanh'],
         'Softplus': ['paddle.nn.Softplus'],
-        'LeakyRelu': ['paddle.nn.LeakyReLU', {
-            'alpha': 'negative_slope'
-        }],
-        'Softmax': ['paddle.nn.Softmax', {'axis': 'axis'}],
+        'LeakyRelu': ['paddle.nn.LeakyReLU', 
+                      dict(alpha='negative_slope')],
+        'Softmax': ['paddle.nn.Softmax'],
         'Floor': ['paddle.floor'],
         'Erf': ['paddle.erf'],
         'Square': ['paddle.square']
@@ -83,12 +82,14 @@ class TFOpMapper(OpMapper):
         super(TFOpMapper, self).__init__()
         self.decoder = decoder
         self.graph = decoder.tf_graph
+        if not self.op_checker():
+            raise Exception("Model is not supported yet.")
         self.params = dict()
         self.nn_name2id = dict()
         self.input_index = 0
-        self.paddle_graph = PaddleGraph(parent_layer=None, graph_type="dygraph", source_type="tf")
-        self.used_custom_layers = dict()
         self.inputs_info = dict()
+        self.paddle_graph = PaddleGraph(parent_layer=None, graph_type="dygraph", source_type="tf")
+        self.paddle_graph.outputs = self.graph.output_nodes
 
         not_placeholder = list()
         for name in self.graph.input_nodes:
@@ -100,82 +101,83 @@ class TFOpMapper(OpMapper):
                 not_placeholder.append(name)
         for name in not_placeholder:
             idx = self.graph.input_nodes.index(name)
-            del self.graph.input_nodes[idx]
-
-        self.paddle_graph.outputs = self.graph.output_nodes
-
-        unsupported_ops = set()
-        sys.stderr.write("Total nodes: {}\n".format(len(self.graph.topo_sort)))
+            del self.graph.input_nodes[idx]        
+
+        print("Total nodes: {}".format(
+            sum([
+                isinstance(node, TFGraphNode)
+                for name, node in self.graph.node_map.items()
+            ])))
+        print("Nodes converting ...")
         for i, node_name in enumerate(self.graph.topo_sort):
             sys.stderr.write("\rConverting node {} ...     ".format(i + 1))
             node = self.graph.get_node(node_name)
             op = node.layer_type
             if op in self.directly_map_ops:
-                if len(unsupported_ops) > 0:
-                    continue
                 self.directly_map(node)
             elif op in self.elementwise_ops:
-                if len(unsupported_ops) > 0:
-                    continue
                 self.elementwise_map(node)
             elif hasattr(self, op):
-                if len(unsupported_ops) > 0:
-                    continue
                 func = getattr(self, op)
-                try:
-                    func(node)
-                except Exception as e:
-                    unsupported_ops.add(op)
-                    print("\n{}\n".format(traceback.format_exc()))
-            else:
-                unsupported_ops.add(op)
-        if len(unsupported_ops) > 0:
-            print("\n========= {} OPs are not supported yet ===========".format(
-                len(unsupported_ops)))
-            for op in unsupported_ops:
-                print("========== {} ============".format(op))
-            sys.exit(-1)
-        sys.stderr.write("\nDone!\n")
+                func(node)
+        print("\nNodes converted.")
         self.paddle_graph.set_name(self.graph.graph_name)
         self.paddle_graph.set_parameters(self.params)
         self.paddle_graph.set_inputs_info(self.inputs_info)
+        
+    def op_checker(self):
+        unsupported_ops = set()
+        for node_name in self.graph.topo_sort:
+            node = self.graph.get_node(node_name)
+            op = node.layer_type
+            if not hasattr(self, op) and \
+                op not in self.directly_map_ops and \
+                op not in self.elementwise_ops:
+                unsupported_ops.add(op)
+        if len(unsupported_ops) == 0:
+            return True
+        else:
+            if len(unsupported_ops) > 0:
+                print("\n========= {} OPs are not supported yet ===========".format(
+                    len(unsupported_ops)))
+            for op in unsupported_ops:
+                print("========== {} ============".format(op))
+            return False 
 
     def directly_map(self, node):
-        assert node.layer_type in self.directly_map_ops
+        inputs = node.layer.input
+        assert len(inputs) == 1, 'directly_map error with multi inputs'
         op_info = self.directly_map_ops[node.layer_type]
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
+        paddle_op = op_info[0]
         layer_attrs = dict()
-        for param in op_info[1:]:
-            tf_param_name = list(param.keys())[0]
-            pd_param_name = list(param.values())[0]
-            tf_param = node.get_attr(tf_param_name)
-            layer_attrs[pd_param_name] = tf_param
-
-        if op_info[0].startswith("paddle.nn"):
-            op_name = op_info[0][10:].lower()
+        if len(op_info) > 1:
+            attrs_name_map_dict = op_info[1]
+            for tf_attr_name, pd_attr_name in attrs_name_map_dict.items():
+                layer_attrs[pd_attr_name] = node.get_attr(tf_attr_name)
+        if paddle_op.startswith("paddle.nn"):
+            op_name = paddle_op[10:].lower()
             op_name = name_generator(op_name, self.nn_name2id)
             output_name = node.name
             layer_outputs = [op_name, output_name]
             self.paddle_graph.add_layer(
-                kernel=op_info[0],
+                kernel=paddle_op,
                 inputs={"x": input.name},
                 outputs=layer_outputs,
                 **layer_attrs)
         else:
             self.paddle_graph.add_layer(
-                kernel=op_info[0],
+                kernel=paddle_op,
                 inputs={"x": input.name},
                 outputs=[node.name],
                 **layer_attrs)
 
     def elementwise_map(self, node):
-        assert node.layer_type in self.elementwise_ops
         op_type = self.elementwise_ops[node.layer_type]
-        x = self.graph.get_node(node.layer.input[0])
-        y = self.graph.get_node(node.layer.input[1])
+        x = self.graph.get_input_node(node, 0)
+        y = self.graph.get_input_node(node, 1)
         x_shape = x.out_shapes[0]
         y_shape = y.out_shapes[0]
-        
         layer_id = self.paddle_graph.add_layer(
             kernel=op_type,
             inputs={"x": x.name,
@@ -184,8 +186,8 @@ class TFOpMapper(OpMapper):
         self.paddle_graph.layers[layer_id].input_shapes = {"x": x_shape, "y": y_shape}
 
     def NotEqual(self, node):
-        x = self.graph.get_node(node.layer.input[0])
-        y = self.graph.get_node(node.layer.input[1])
+        x = self.graph.get_input_node(node, 0)
+        y = self.graph.get_input_node(node, 1)
         
         self.paddle_graph.add_layer(
             kernel="paddle.not_equal",
@@ -236,8 +238,8 @@ class TFOpMapper(OpMapper):
                 default_initializer="paddle.nn.initializer.Constant(value=0.0)")
       
     def Transpose(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        perm = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        perm = self.graph.get_input_node(node, 1)
         assert perm.layer_type == "Const", "Perm of transpose OP should be Const"
         perm = perm.value.tolist()
         
@@ -248,8 +250,8 @@ class TFOpMapper(OpMapper):
             perm=perm)
 
     def Fill(self, node):
-        dims = self.graph.get_node(node.layer.input[0])
-        input_value = self.graph.get_node(node.layer.input[1])
+        dims = self.graph.get_input_node(node, 0)
+        input_value = self.graph.get_input_node(node, 1)
         inputs = dict()
         layer_attrs = dict()
         assert input_value.layer_type == "Const", "Value of fill OP should be Const"
@@ -268,7 +270,7 @@ class TFOpMapper(OpMapper):
             **layer_attrs)
 
     def DepthToSpace(self, node):
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
 
         block_size = node.get_attr("block_size")
         data_format = node.get_attr("data_format").decode()
@@ -323,7 +325,7 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
 
     def MaxPool(self, node):
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
 
         k_size = node.get_attr("ksize")
         strides = node.get_attr("strides")
@@ -365,8 +367,8 @@ class TFOpMapper(OpMapper):
         op_name = name_generator("conv", self.nn_name2id)
         output_name = node.name
         layer_outputs = [op_name, output_name]
-        input = self.graph.get_node(node.layer.input[0])
-        kernel = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        kernel = self.graph.get_input_node(node, 1)
 
         k_size = kernel.out_shapes[0]
         strides = node.get_attr("strides")
@@ -381,7 +383,7 @@ class TFOpMapper(OpMapper):
         if kernel.layer_type == 'Const':
             kernel_value = kernel.value
         else:
-            kernel_value = self.decoder.infer_tensor(kernel)
+            kernel_value = self.decoder.infer_tensor(kernel, use_diff_inputs=False)
         kernel_weight_name = op_name + ".weight"
         self.params[kernel_weight_name] = numpy.transpose(kernel_value,
                                                           (3, 2, 0, 1))
@@ -428,8 +430,8 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
 
     def BiasAdd(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        bias = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        bias = self.graph.get_input_node(node, 1)
         self.paddle_graph.add_layer(
             kernel="paddle.add",
             inputs={"x": input.name,
@@ -440,12 +442,12 @@ class TFOpMapper(OpMapper):
         op_name = name_generator("bn", self.nn_name2id)
         output_name = node.name
         layer_outputs = [op_name, output_name]
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
 
-        gamma = self.graph.get_node(node.layer.input[1])
-        beta = self.graph.get_node(node.layer.input[2])
-        moving_mean = self.graph.get_node(node.layer.input[3])
-        moving_var = self.graph.get_node(node.layer.input[4])
+        gamma = self.graph.get_input_node(node, 1)
+        beta = self.graph.get_input_node(node, 2)
+        moving_mean = self.graph.get_input_node(node, 3)
+        moving_var = self.graph.get_input_node(node, 4)
         data_format = node.get_attr("data_format").decode()
 
         assert gamma.layer_type == "Const"
@@ -490,8 +492,8 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
 
     def Mean(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        reduce_idx = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        reduce_idx = self.graph.get_input_node(node, 1)
         assert reduce_idx.layer_type == "Const", "Only support Const parameter[reduce_idx]"
         dims = reduce_idx.value.tolist()
         keep_dims = node.get_attr("keep_dims")
@@ -504,8 +506,8 @@ class TFOpMapper(OpMapper):
             keepdim=keep_dims)
 
     def Reshape(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        param = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        param = self.graph.get_input_node(node, 1)
 
         input_name = input.name
 
@@ -533,8 +535,8 @@ class TFOpMapper(OpMapper):
                     shape=out_shape.tolist())
 
     def Pad(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        paddings = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        paddings = self.graph.get_input_node(node, 1)
         assert paddings.layer_type == "Const", "Padding should be Const"
         paddings = paddings.value.flatten().tolist()
 
@@ -566,7 +568,7 @@ class TFOpMapper(OpMapper):
             pad=paddings)
 
     def Squeeze(self, node):
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
         squeeze_dims = node.get_attr('squeeze_dims')
         self.paddle_graph.add_layer(
             kernel="paddle.squeeze",
@@ -575,7 +577,7 @@ class TFOpMapper(OpMapper):
             axis=squeeze_dims)
 
     def Shape(self, node):
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
         input_name = input.name
         self.paddle_graph.add_layer(
             kernel="paddle.shape",
@@ -583,8 +585,8 @@ class TFOpMapper(OpMapper):
             outputs=[node.name])
 
     def ArgMax(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        axis = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        axis = self.graph.get_input_node(node, 1)
         assert axis.layer_type == "Const", "ArgMax only support Const parameter"
         axis = axis.value
         self.paddle_graph.add_layer(
@@ -594,8 +596,8 @@ class TFOpMapper(OpMapper):
             axis=axis)
 
     def MatMul(self, node):
-        x = self.graph.get_node(node.layer.input[0])
-        y = self.graph.get_node(node.layer.input[1])
+        x = self.graph.get_input_node(node, 0)
+        y = self.graph.get_input_node(node, 1)
         transpose_a = node.get_attr('transpose_a')
         transpose_b = node.get_attr('transpose_b')
         if transpose_a is None:
@@ -620,8 +622,8 @@ class TFOpMapper(OpMapper):
         op_name = name_generator("conv", self.nn_name2id)
         output_name = node.name
         layer_outputs = [op_name, output_name]
-        input = self.graph.get_node(node.layer.input[0])
-        kernel = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        kernel = self.graph.get_input_node(node, 1)
         assert kernel.layer_type == "Const", "Kernel of DepthwiseConv2DNative should be Const"
 
         in_shape = input.out_shapes[0]
@@ -671,7 +673,7 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
 
     def AvgPool(self, node):
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
 
         k_size = node.get_attr("ksize")
         strides = node.get_attr("strides")
@@ -720,8 +722,10 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
 
     def Pack(self, node):
-        inputs = [self.graph.get_node(name) for name in node.layer.input]
-        input_names = [i.name for i in inputs]
+        inputs_list = list()
+        for i in range(len(node.inputs)):
+            inputs_list.append(self.graph.get_input_node(node, i))
+        input_names = [i.name for i in inputs_list]
         axis = node.get_attr("axis")
         self.paddle_graph.add_layer(
             kernel="paddle.stack",
@@ -736,7 +740,7 @@ class TFOpMapper(OpMapper):
                 shape=[-1])
 
     def Unpack(self, node):
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
         axis = node.get_attr("axis")
         num = node.get_attr("num")
         shape = input.out_shapes[0]
@@ -760,14 +764,17 @@ class TFOpMapper(OpMapper):
             num=num)
 
     def ConcatV2(self, node):
-        inputs = [self.graph.get_node(name) for name in node.layer.input[:-1]]
-        axis = self.graph.get_node(node.layer.input[-1])
+        inputs_list = list()
+        for i in range(len(node.inputs) - 1):
+            inputs_list.append(self.graph.get_input_node(node, i))
+#         inputs_list = [self.graph.get_node(name) for name in node.layer.input[:-1]]
+        axis = self.graph.get_input_node(node, -1)
         assert axis.layer_type == "Const", "axis for ConcatV2 must be type Const"
         axis = axis.value
         if axis < 0:
-            axis += len(inputs[0].out_shapes[0])
+            axis += len(inputs_list[0].out_shapes[0])
 
-        input_names = [i.name for i in inputs]
+        input_names = [i.name for i in inputs_list]
         self.paddle_graph.add_layer(
             kernel="paddle.concat",
             inputs={"x": input_names},
@@ -775,23 +782,23 @@ class TFOpMapper(OpMapper):
             axis=axis)
 
     def StridedSlice(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        begin = self.graph.get_node(node.layer.input[1])
-        end = self.graph.get_node(node.layer.input[2])
-        strides = self.graph.get_node(node.layer.input[3])
+        input = self.graph.get_input_node(node, 0)
+        begin = self.graph.get_input_node(node, 1)
+        end = self.graph.get_input_node(node, 2)
+        strides = self.graph.get_input_node(node, 3)
 
         if strides.layer_type == "Const":
             strides = strides.value.tolist()
         else:
-            strides = self.decoder.infer_shape_tensor(strides)
+            strides = self.decoder.infer_tensor(strides)
         if begin.layer_type == "Const":
             begin = begin.value.tolist()
         else:
-            begin = self.decoder.infer_shape_tensor(begin)
+            begin = self.decoder.infer_tensor(begin)
         if end.layer_type == "Const":
             end = end.value.tolist()
         else:
-            end = self.decoder.infer_shape_tensor(end)
+            end = self.decoder.infer_tensor(end)
 
         assert len(set(strides)) == 1 and strides[
             0] == 1, "Only support strides be 1 in StridedSlice OP"
@@ -840,6 +847,13 @@ class TFOpMapper(OpMapper):
                 new_end.append(999999)
             else:
                 new_end.append(end[i])
+            
+        if input.dtype == "bool":
+            self.paddle_graph.add_layer(
+                "paddle.cast",
+                inputs={"x": input.name},
+                outputs=[input.name],
+                dtype=string("int32"))
 
         self.paddle_graph.add_layer(
             kernel="paddle.slice",
@@ -848,6 +862,14 @@ class TFOpMapper(OpMapper):
             axes=[i for i in range(len(new_begin))],
             starts=new_begin,
             ends=new_end)
+        
+        if input.dtype == "bool":
+            self.paddle_graph.add_layer(
+                "paddle.cast",
+                inputs={"x": node.name},
+                outputs=[node.name],
+                dtype=string("bool"))
+
         if len(new_axes) > 0:
             self.paddle_graph.add_layer(
                 kernel="paddle.unsqueeze",
@@ -865,8 +887,8 @@ class TFOpMapper(OpMapper):
                     axis=shrink_axes)
 
     def Split(self, node):
-        dim = self.graph.get_node(node.layer.input[0])
-        input = self.graph.get_node(node.layer.input[1])
+        dim = self.graph.get_input_node(node, 0)
+        input = self.graph.get_input_node(node, 1)
         assert dim.layer_type == "Const"
         num_split = node.get_attr('num_split')
         dim = dim.value
@@ -881,9 +903,9 @@ class TFOpMapper(OpMapper):
             axis=dim)
 
     def Slice(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        begin = self.graph.get_node(node.layer.input[1])
-        size = self.graph.get_node(node.layer.input[2])
+        input = self.graph.get_input_node(node, 0)
+        begin = self.graph.get_input_node(node, 1)
+        size = self.graph.get_input_node(node, 2)
 
         inputs = {"x": input.name}
         attrs = {}
@@ -899,7 +921,7 @@ class TFOpMapper(OpMapper):
             #                 outputs=[reshape_name],
             #                 shape=shape)
             #             inputs['offsets'] = reshape_name
-            begin = self.decoder.infer_tensor(begin).tolist()
+            begin = self.decoder.infer_tensor(begin, use_diff_inputs=False).tolist()
             attrs['offsets'] = begin
         if size.layer_type == "Const":
             size = size.value.tolist()
@@ -920,8 +942,8 @@ class TFOpMapper(OpMapper):
             **attrs)
 
     def ResizeNearestNeighbor(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        resize_shape = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        resize_shape = self.graph.get_input_node(node, 1)
         data_format = "NHWC"
         inputs = {"x": input.name}
         attrs = {"align_corners": node.get_attr("align_corners"),
@@ -964,8 +986,8 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
             
     def ResizeBilinear(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        resize_shape = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        resize_shape = self.graph.get_input_node(node, 1)
         data_format = "NHWC"
         inputs = {"x": input.name}
         attrs = {"align_corners": node.get_attr("align_corners"),
@@ -1008,7 +1030,7 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
 
     def Cast(self, node):
-        input = self.graph.get_node(node.layer.input[0])
+        input = self.graph.get_input_node(node, 0)
         dtype = node.dtype
         self.paddle_graph.add_layer(
             kernel="paddle.cast",
@@ -1017,8 +1039,8 @@ class TFOpMapper(OpMapper):
             dtype=string(dtype))
 
     def Sum(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        reduce_idx = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        reduce_idx = self.graph.get_input_node(node, 1)
         assert reduce_idx.layer_type == "Const", "Only support Const parameter[reduce_idx]"
         keep_dims = node.get_attr("keep_dims")
         dim = reduce_idx.value.tolist()
@@ -1031,8 +1053,8 @@ class TFOpMapper(OpMapper):
             keepdim=keep_dims)
 
     def Max(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        reduce_idx = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        reduce_idx = self.graph.get_input_node(node, 1)
         assert reduce_idx.layer_type == "Const", "Only support Const parameter[reduce_idx]"
         keep_dims = node.get_attr("keep_dims")
         dim = reduce_idx.value.tolist()
@@ -1044,7 +1066,7 @@ class TFOpMapper(OpMapper):
             keepdim=keep_dims)
 
     def RandomUniform(self, node):
-        shape = self.graph.get_node(node.layer.input[0])
+        shape = self.graph.get_input_node(node, 0)
         if shape.layer_type == "Const":
             shape = shape.value.tolist()
             self.paddle_graph.add_layer(
@@ -1066,24 +1088,24 @@ class TFOpMapper(OpMapper):
         op_name = name_generator("conv", self.nn_name2id)
         output_name = node.name
         layer_outputs = [op_name, output_name]
-        out_shape = self.graph.get_node(node.layer.input[0])
-        kernel = self.graph.get_node(node.layer.input[1])
-        input = self.graph.get_node(node.layer.input[2])
+        out_shape = self.graph.get_input_node(node, 0)
+        kernel = self.graph.get_input_node(node, 1)
+        input = self.graph.get_input_node(node, 2)
 
         assert kernel.layer_type == "Const", "Kernel of Conv2DBackpropInput should be Const"
 
         if out_shape.layer_type == "Const":
             out_shape = out_shape.value.tolist()
         else:
-            out_shape = self.decoder.infer_shape_tensor(out_shape,
-                                                        node.out_shapes[0])
+            out_shape = self.decoder.infer_tensor(out_shape,
+                                                  out_shape=node.out_shapes[0])
 
         in_shape = input.out_shapes[0]
         if in_shape.count(-1) > 2:
-            in_shape = self.decoder.infer_tensor(input).shape
+            in_shape = self.decoder.infer_tensor(input, use_diff_inputs=False).shape
         k_size = kernel.out_shapes[0]
         if k_size.count(-1) > 2:
-            k_size = self.decoder.infer_tensor(kernel).shape
+            k_size = self.decoder.infer_tensor(kernel, use_diff_inputs=False).shape
 
         pad_mode = node.get_attr("padding").decode()
         strides = node.get_attr("strides")
@@ -1145,8 +1167,8 @@ class TFOpMapper(OpMapper):
                 perm=[0, 2, 3, 1])
 
     def Tile(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        expand_times = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        expand_times = self.graph.get_input_node(node, 1)
         inputs = {"x": input.name}
         attr = dict()
         in_shape = input.out_shapes[0]
@@ -1163,9 +1185,9 @@ class TFOpMapper(OpMapper):
             **attr)
 
     def Range(self, node):
-        start = self.graph.get_node(node.layer.input[0])
-        limit = self.graph.get_node(node.layer.input[1])
-        delta = self.graph.get_node(node.layer.input[2])
+        start = self.graph.get_input_node(node, 0)
+        limit = self.graph.get_input_node(node, 1)
+        delta = self.graph.get_input_node(node, 2)
         inputs = dict()
         attr = dict()
 
@@ -1198,8 +1220,8 @@ class TFOpMapper(OpMapper):
             **attr)
 
     def SquaredDifference(self, node):
-        x = self.graph.get_node(node.layer.input[0])
-        y = self.graph.get_node(node.layer.input[1])
+        x = self.graph.get_input_node(node, 0)
+        y = self.graph.get_input_node(node, 1)
         inputs = {"x": x.name, "y": y.name}
         x_shape = x.out_shapes[0]
         y_shape = y.out_shapes[0]
@@ -1215,10 +1237,10 @@ class TFOpMapper(OpMapper):
         self.paddle_graph.layers[layer_id].input_shapes = {"x": x_shape, "y": y_shape}
 
     def OneHot(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        depth = self.graph.get_node(node.layer.input[1])
-        on_value = self.graph.get_node(node.layer.input[2])
-        off_value = self.graph.get_node(node.layer.input[3])
+        input = self.graph.get_input_node(node, 0)
+        depth = self.graph.get_input_node(node, 1)
+        on_value = self.graph.get_input_node(node, 2)
+        off_value = self.graph.get_input_node(node, 3)
         assert depth.layer_type == 'Const', 'Parameter depth should be Const in OneHot'
         assert on_value.layer_type == 'Const', 'Parameter on_value should be Const in OneHot'
         assert off_value.layer_type == 'Const', 'Parameter off_value should be Const in OneHot'
@@ -1238,8 +1260,8 @@ class TFOpMapper(OpMapper):
             num_classes=depth.value)
 
     def Pow(self, node):
-        x = self.graph.get_node(node.layer.input[0])
-        factor = self.graph.get_node(node.layer.input[1])
+        x = self.graph.get_input_node(node, 0)
+        factor = self.graph.get_input_node(node, 1)
         inputs = {"x": x.name}
         attr = dict()
         if factor.layer_type == 'Const':
@@ -1250,8 +1272,8 @@ class TFOpMapper(OpMapper):
             "paddle.pow", inputs=inputs, outputs=[node.name], **attr)
 
     def All(self, node):
-        input = self.graph.get_node(node.layer.input[0])
-        reduce_idx = self.graph.get_node(node.layer.input[1])
+        input = self.graph.get_input_node(node, 0)
+        reduce_idx = self.graph.get_input_node(node, 1)
         assert reduce_idx.layer_type == "Const", "Only support Const parameter[reduce_idx]"
         attr = dict()
         attr["axis"] = reduce_idx.value.tolist()
@@ -1274,9 +1296,9 @@ class TFOpMapper(OpMapper):
         node.layer.attr['dtype'].type = 10
 
     def GatherV2(self, node):
-        embeddings = self.graph.get_node(node.layer.input[0])
-        index = self.graph.get_node(node.layer.input[1])
-        axis = self.graph.get_node(node.layer.input[2])
+        embeddings = self.graph.get_input_node(node, 0)
+        index = self.graph.get_input_node(node, 1)
+        axis = self.graph.get_input_node(node, 2)
         assert axis.layer_type == 'Const', "Only support Const parameter[axis]"
         axis = axis.value.tolist()
         assert axis == 0, "Only support axis=0 in GatherV2 OP"
@@ -1303,8 +1325,8 @@ class TFOpMapper(OpMapper):
                 shape=out_shape)
 
     def ExpandDims(self, node):
-        x = self.graph.get_node(node.layer.input[0], copy=True)
-        y = self.graph.get_node(node.layer.input[1], copy=True)
+        x = self.graph.get_input_node(node, 0, copy=True)
+        y = self.graph.get_input_node(node, 1, copy=True)
         inputs = {"x": x.name}
         attr = dict()
         if y.layer_type == 'Const':
diff --git a/x2paddle/op_mapper/static/caffe2paddle/caffe_op_mapper.py b/x2paddle/op_mapper/static/caffe2paddle/caffe_op_mapper.py
index e77a1c39b52039ea6474120d32b975c1e0beca5a..23dcc18280f4d3824fc179d48f3bd5cbbd267392 100644
--- a/x2paddle/op_mapper/static/caffe2paddle/caffe_op_mapper.py
+++ b/x2paddle/op_mapper/static/caffe2paddle/caffe_op_mapper.py
@@ -231,7 +231,7 @@ class CaffeOpMapper(OpMapper):
             self.weights[node.layer_name + '_bias'] = data[1]
         assert len(node.inputs
                    ) == 1, 'The count of Convolution node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
             'filter_size': kernel,
             'num_filters': channel,
@@ -273,7 +273,7 @@ class CaffeOpMapper(OpMapper):
             self.weights[node.layer_name + '_bias'] = data[1]
         assert len(node.inputs
                    ) == 1, 'The count of Deconvolution node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
             'output_size': None,
             'filter_size': kernel,
@@ -306,7 +306,7 @@ class CaffeOpMapper(OpMapper):
             pool_type = 'avg'
         assert len(
             node.inputs) == 1, 'The count of Pooling node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
             'pool_size': kernel,
             'pool_stride': stride,
@@ -333,7 +333,7 @@ class CaffeOpMapper(OpMapper):
         # just scales by alpha (as does Krizhevsky's paper).
         # We'll account for that here.
         alpha = params.alpha / float(params.local_size)
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
             'n': params.local_size,
             'k': params.k,
@@ -381,7 +381,7 @@ class CaffeOpMapper(OpMapper):
         #params = node.layer.inner_product_param
         assert params.axis == 1
         assert params.bias_term == True
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         layer_attrs = {
             'size': params.num_output,
             'name': string(node.layer_name),
@@ -399,7 +399,7 @@ class CaffeOpMapper(OpMapper):
     def Softmax(self, node):
         assert len(
             node.inputs) == 1, 'The count of Softmax node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.softmax_param
         axis = params.axis
         shape = node.input_shape[0]
@@ -415,7 +415,7 @@ class CaffeOpMapper(OpMapper):
     def Slice(self, node):
         assert len(
             node.inputs) == 1, 'The count of Slice node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         top_len = len(node.layer.top)
         params = node.layer.slice_param
         axis = params.axis
@@ -445,7 +445,7 @@ class CaffeOpMapper(OpMapper):
         ) >= 1, 'The count of Concat node\'s input is not more than 1.'
         inputs_list = []
         for i in range(len(node.inputs)):
-            input = self.graph.get_bottom_node(node, idx=i, copy=True)
+            input = self.graph.get_input_node(node, idx=i, copy=True)
             inputs_list.append(self.get_input_name(input))
         params = node.layer.concat_param
         axis = params.axis
@@ -464,7 +464,7 @@ class CaffeOpMapper(OpMapper):
         """
         assert len(
             node.inputs) == 1, 'The count of ReLU node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
 
         params = node.layer.relu_param
         if params.HasField('negative_slope') and params.negative_slope != 0:
@@ -483,7 +483,7 @@ class CaffeOpMapper(OpMapper):
     def PReLU(self, node):
         assert len(
             node.inputs) == 1, 'The count of PReLU node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.prelu_param
         mode_bool = params.channel_shared
         if mode_bool:
@@ -511,10 +511,10 @@ class CaffeOpMapper(OpMapper):
         inputs_dict = dict()
         for i, shape in enumerate(node.input_shape):
             if shape[1] == 1:
-                input = self.graph.get_bottom_node(node, idx=i, copy=True)
+                input = self.graph.get_input_node(node, idx=i, copy=True)
                 inputs_dict["label"] = self.get_input_name(input)
             else:
-                input = self.graph.get_bottom_node(node, idx=i, copy=True)
+                input = self.graph.get_input_node(node, idx=i, copy=True)
                 inputs_dict["input"] = self.get_input_name(input)
         params = node.layer.accuracy_param
         top_k = params.top_k
@@ -534,9 +534,9 @@ class CaffeOpMapper(OpMapper):
         params = node.layer.eltwise_param
         mode = params.operation
         inputs = []
-        input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input0 = self.graph.get_input_node(node, idx=0, copy=True)
         inputs.append(input0)
-        input1 = self.graph.get_bottom_node(node, idx=1, copy=True)
+        input1 = self.graph.get_input_node(node, idx=1, copy=True)
         inputs.append(input1)
         if mode == 0:
             inputs_dict = {}
@@ -606,7 +606,7 @@ class CaffeOpMapper(OpMapper):
     def BatchNorm(self, node):
         assert len(
             node.inputs) == 1, 'The count of BatchNorm node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.batch_norm_param
         if hasattr(params, 'eps'):
             eps = params.eps
@@ -670,8 +670,8 @@ class CaffeOpMapper(OpMapper):
             # for two tensor, here resets axis to 1. Maybe there is a bug for unkown case.
             axis = 1
             bias_shape = node.input_shape[0][axis:axis + num_axes]
-            input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
-            input1 = self.graph.get_bottom_node(node, idx=1, copy=True)
+            input0 = self.graph.get_input_node(node, idx=0, copy=True)
+            input1 = self.graph.get_input_node(node, idx=1, copy=True)
             inputs_dict = {}
             inputs_dict['x'] = self.get_input_name(input0)
             inputs_dict['y'] = self.get_input_name(input1)
@@ -682,7 +682,7 @@ class CaffeOpMapper(OpMapper):
                 axis=axis)
         else:
             bias_shape = node.input_shape[0][axis:axis + num_axes]
-            input0 = self.graph.get_bottom_node(node, idx=0, copy=True)
+            input0 = self.graph.get_input_node(node, idx=0, copy=True)
             input0_name = self.get_input_name(input0)
             self.paddle_graph.add_layer(
                 kernel="fluid.ParamAttr",
@@ -739,7 +739,7 @@ class CaffeOpMapper(OpMapper):
         
 
     def Reshape(self, node):
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         top_count = len(input.layer.top)
         is_inplace = False if top_count == 1 else True
         output_shape = node.output_shape[0]
@@ -759,7 +759,7 @@ class CaffeOpMapper(OpMapper):
         assert len(node.inputs) == 1 and len(
             node.outputs
         ) == 1, 'The count of ArgMax node\'s input and output is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         input_shape = node.input_shape[0]
         params = node.layer.argmax_param
         out_max_val = params.out_max_val if hasattr(params,
@@ -796,8 +796,8 @@ class CaffeOpMapper(OpMapper):
     def Crop(self, node):
         assert len(
             node.inputs) == 2, 'The count of Crop node\'s input is not 2.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
-        example = self.graph.get_bottom_node(node, idx=1, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
+        example = self.graph.get_input_node(node, idx=1, copy=True)
         params = node.layer.crop_param
         axis = params.axis
         input_shape = node.input_shape[0]
@@ -822,7 +822,7 @@ class CaffeOpMapper(OpMapper):
         assert len(
             node.
             inputs) == 1, 'The count of DetectionOutput node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         self.paddle_graph.add_layer(
             kernel="fluid.layers.reshape",
             inputs={"x": self.get_input_name(input)},
@@ -832,7 +832,7 @@ class CaffeOpMapper(OpMapper):
     def Power(self, node):
         assert len(
             node.inputs) == 1, 'The count of Permute node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.power_param
         power = params.power
         scale = params.scale
@@ -857,7 +857,7 @@ class CaffeOpMapper(OpMapper):
     def Reduction(self, node):
         assert len(
             node.inputs) == 1, 'The count of Reduction node\'s input is not 1.'
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         params = node.layer.reduction_param
         operation = params.operation
         axis = params.axis
@@ -942,15 +942,15 @@ class CaffeOpMapper(OpMapper):
                 self.weights[weights_name[i]] = data[i]
         inputs_list = []
         for i in range(len(node.inputs)):
-            input = self.graph.get_bottom_node(node, idx=i, copy=True)
+            input = self.graph.get_input_node(node, idx=i, copy=True)
             if i == 1 and op == 'DetectionOutput':
-                input = self.graph.get_bottom_node(node, idx=i, copy=True)
+                input = self.graph.get_input_node(node, idx=i, copy=True)
                 while input is not None \
                       and input.layer_type != 'Softmax' \
                       and input.layer_type != 'Sigmoid':
-                    input = self.graph.get_bottom_node(input, idx=0, copy=True)
+                    input = self.graph.get_input_node(input, idx=0, copy=True)
                 assert input is not None, 'This kind of DetectionOutput is not supported!'
-                input = self.graph.get_bottom_node(input, idx=0, copy=True)
+                input = self.graph.get_input_node(input, idx=0, copy=True)
             inputs_list.append(self.get_input_name(input))
         kwargs_tmp = copy.deepcopy(kwargs)
         for k, v in kwargs_tmp.items():
@@ -970,7 +970,7 @@ class CaffeOpMapper(OpMapper):
     def directly_map(self, node):
         assert node.layer_type in self.directly_map_ops
         op_info = self.directly_map_ops[node.layer_type]
-        input = self.graph.get_bottom_node(node, idx=0, copy=True)
+        input = self.graph.get_input_node(node, idx=0, copy=True)
         self.paddle_graph.add_layer(
             kernel=op_info,
             inputs={"x": self.get_input_name(input)},
diff --git a/x2paddle/op_mapper/static/tf2paddle/tf_op_mapper.py b/x2paddle/op_mapper/static/tf2paddle/tf_op_mapper.py
index da294f8decb223fdc8afe089f385090a9d296455..851810e246ae2cbb476191e6ac06159eedc0a87f 100644
--- a/x2paddle/op_mapper/static/tf2paddle/tf_op_mapper.py
+++ b/x2paddle/op_mapper/static/tf2paddle/tf_op_mapper.py
@@ -359,7 +359,7 @@ class TFOpMapper(OpMapper):
             kernel_value = kernel.value
             kernel_weight_name = kernel.name.replace('/', '_')
         else:
-            kernel_value = self.decoder.infer_tensor(kernel)
+            kernel_value = self.decoder.infer_tensor(kernel, use_diff_inputs=False)
             if kernel.layer_type == 'Split':
                 kernel_weight_name = "{}_{}_kernel".format(node.name,
                                                            kernel.name)
@@ -781,15 +781,15 @@ class TFOpMapper(OpMapper):
         if strides.layer_type == "Const":
             strides = strides.value.tolist()
         else:
-            strides = self.decoder.infer_shape_tensor(strides)
+            strides = self.decoder.infer_tensor(strides)
         if begin.layer_type == "Const":
             begin = begin.value.tolist()
         else:
-            begin = self.decoder.infer_shape_tensor(begin)
+            begin = self.decoder.infer_tensor(begin)
         if end.layer_type == "Const":
             end = end.value.tolist()
         else:
-            end = self.decoder.infer_shape_tensor(end)
+            end = self.decoder.infer_tensor(end)
 
         assert len(set(strides)) == 1 and strides[
             0] == 1, "Only support strides be 1 in StridedSlice OP"
@@ -897,7 +897,7 @@ class TFOpMapper(OpMapper):
             #                 outputs=[reshape_name],
             #                 shape=shape)
             #             inputs['offsets'] = reshape_name
-            begin = self.decoder.infer_tensor(begin).tolist()
+            begin = self.decoder.infer_tensor(begin, use_diff_inputs=False).tolist()
             attrs['offsets'] = begin
         if size.layer_type == "Const":
             size = size.value.tolist()
@@ -1066,15 +1066,15 @@ class TFOpMapper(OpMapper):
         if out_shape.layer_type == "Const":
             out_shape = out_shape.value.tolist()
         else:
-            out_shape = self.decoder.infer_shape_tensor(out_shape,
-                                                        node.out_shapes[0])
+            out_shape = self.decoder.infer_tensor(out_shape,
+                                                  out_shape=node.out_shapes[0])
 
         in_shape = input.out_shapes[0]
         if in_shape.count(-1) > 2:
-            in_shape = self.decoder.infer_tensor(input).shape
+            in_shape = self.decoder.infer_tensor(input, use_diff_inputs=False).shape
         k_size = kernel.out_shapes[0]
         if k_size.count(-1) > 2:
-            k_size = self.decoder.infer_tensor(kernel).shape
+            k_size = self.decoder.infer_tensor(input, use_diff_inputs=False).shape
 
         pad_mode = node.get_attr("padding").decode()
         strides = node.get_attr("strides")
diff --git a/x2paddle/optimizer/code_optimizer/hierachical_tree.py b/x2paddle/optimizer/code_optimizer/hierachical_tree.py
index afe13045811d897b45a79a6c1cd610dd845aed02..c2aa31b03379c339b7212913183c5d7aa62e90d2 100644
--- a/x2paddle/optimizer/code_optimizer/hierachical_tree.py
+++ b/x2paddle/optimizer/code_optimizer/hierachical_tree.py
@@ -1,3 +1,4 @@
+# -*- coding:UTF-8 -*-
 #   Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"
diff --git a/x2paddle/optimizer/code_optimizer/layer_code_generator.py b/x2paddle/optimizer/code_optimizer/layer_code_generator.py
index 260e440aa97d6766fb9474f1a5c545de1f14ba7b..93a041d7c12df04dd19286f0026b00de851b5ab2 100644
--- a/x2paddle/optimizer/code_optimizer/layer_code_generator.py
+++ b/x2paddle/optimizer/code_optimizer/layer_code_generator.py
@@ -1,3 +1,4 @@
+# -*- coding:UTF-8 -*-
 #   Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"
diff --git a/x2paddle/optimizer/code_optimizer/parameter_tree.py b/x2paddle/optimizer/code_optimizer/parameter_tree.py
index 958a847fc2833d783aef261da9da0067f4205da7..ebca9ab02996e31fd94bb79f9f90f65433069dda 100644
--- a/x2paddle/optimizer/code_optimizer/parameter_tree.py
+++ b/x2paddle/optimizer/code_optimizer/parameter_tree.py
@@ -1,3 +1,4 @@
+# -*- coding:UTF-8 -*-
 #   Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"
diff --git a/x2paddle/optimizer/code_optimizer/subgraphs_union.py b/x2paddle/optimizer/code_optimizer/subgraphs_union.py
index 88c6a0900aba8cbad8177a91a468e8bc46691ed6..a1bde6ef8d3d5e26110d686f00bb9f6fd5e16bb1 100644
--- a/x2paddle/optimizer/code_optimizer/subgraphs_union.py
+++ b/x2paddle/optimizer/code_optimizer/subgraphs_union.py
@@ -1,3 +1,4 @@
+# -*- coding:UTF-8 -*-
 #   Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"
diff --git a/x2paddle/optimizer/pass_manager.py b/x2paddle/optimizer/pass_manager.py
index 8653f62b3a415c1a4db4a95d0a185a28028d75c9..4cbd2f0dacc3c8054e881fa48427f84ac49d6133 100644
--- a/x2paddle/optimizer/pass_manager.py
+++ b/x2paddle/optimizer/pass_manager.py
@@ -1,3 +1,4 @@
+# -*- coding:UTF-8 -*-
 #   Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"
diff --git a/x2paddle/optimizer/pattern_matcher.py b/x2paddle/optimizer/pattern_matcher.py
index 4561389fa51a07270d69849e242cdd014cd158ca..c92f83d0c75439b2027e3d3a265f2de555b48d04 100644
--- a/x2paddle/optimizer/pattern_matcher.py
+++ b/x2paddle/optimizer/pattern_matcher.py
@@ -1,3 +1,4 @@
+# -*- coding:UTF-8 -*-
 #   Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License"