diff --git a/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc b/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc
index f69a67f7c3..f95b7f40d6 100644
--- a/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc
+++ b/mindspore/ccsrc/backend/session/anf_runtime_algorithm.cc
@@ -444,14 +444,9 @@ KernelWithIndex AnfRuntimeAlgorithm::GetPrevNodeOutput(const AnfNodePtr &anf_nod
   if (!anf_node->isa<CNode>()) {
     MS_LOG(EXCEPTION) << anf_node->DebugString() << "anf_node is not CNode.";
   }
-  auto cnode = anf_node->cast<CNodePtr>();
-  MS_EXCEPTION_IF_NULL(cnode);
-  if (input_idx + 1 >= cnode->inputs().size()) {
-    MS_LOG(EXCEPTION) << "Input index " << input_idx << " is larger than input number " << GetInputTensorNum(cnode);
-  }
-  auto node = cnode->input(input_idx + 1);
-  MS_EXCEPTION_IF_NULL(node);
-  return VisitKernelWithReturnType(node, 0);
+  auto input_node = AnfAlgo::GetInputNode(anf_node->cast<CNodePtr>(), input_idx);
+  MS_EXCEPTION_IF_NULL(input_node);
+  return VisitKernelWithReturnType(input_node, 0);
 }
 
 std::string AnfRuntimeAlgorithm::GetPrevNodeOutputFormat(const AnfNodePtr &anf_node, size_t input_idx) {
@@ -975,7 +970,7 @@ bool AnfRuntimeAlgorithm::IsTupleOutput(const AnfNodePtr &anf) {
 AnfNodePtr AnfRuntimeAlgorithm::GetInputNode(const CNodePtr &node, size_t index) {
   MS_EXCEPTION_IF_NULL(node);
   auto get_input_index = index + 1;
-  if (index + 1 > node->inputs().size()) {
+  if (index + 1 >= node->inputs().size()) {
     MS_LOG(EXCEPTION) << "Input index size " << get_input_index << "but the node input size just"
                       << node->inputs().size();
   }
diff --git a/mindspore/ccsrc/backend/session/ascend_session.cc b/mindspore/ccsrc/backend/session/ascend_session.cc
index 29a0795afb..7f320d9564 100644
--- a/mindspore/ccsrc/backend/session/ascend_session.cc
+++ b/mindspore/ccsrc/backend/session/ascend_session.cc
@@ -1061,5 +1061,10 @@ void AscendSession::UpdateRefOutputMap(NotNull<KernelGraphPtr> graph,
     }
   }
 }
+
+GraphId AscendSession::CompileGraph(NotNull<FuncGraphPtr> func_graph, const vector<tensor::TensorPtr> &inputs) {
+  RunInfer(func_graph, inputs);
+  return CompileGraph(func_graph);
+}
 }  // namespace session
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/backend/session/ascend_session.h b/mindspore/ccsrc/backend/session/ascend_session.h
index 91a86e6d10..5ddf77354f 100755
--- a/mindspore/ccsrc/backend/session/ascend_session.h
+++ b/mindspore/ccsrc/backend/session/ascend_session.h
@@ -52,6 +52,7 @@ class AscendSession : public SessionBasic {
   }
   GraphId CompileGraph(const AnfNodePtrList &lst, const AnfNodePtrList &outputs) override;
   GraphId CompileGraph(NotNull<FuncGraphPtr> func_graph) override;
+  GraphId CompileGraph(NotNull<FuncGraphPtr> func_graph, const std::vector<tensor::TensorPtr> &inputs) override;
   void RunGraph(const GraphId &graph_id, const std::vector<tensor::TensorPtr> &inputs, VectorRef *outputs) override;
   void BuildGraph(GraphId) override;
   void BuildOp(const OpRunInfo &op_run_info, const GraphInfo &graph_info,
diff --git a/mindspore/ccsrc/backend/session/session_basic.cc b/mindspore/ccsrc/backend/session/session_basic.cc
index 865f7adc5d..945f037ec8 100644
--- a/mindspore/ccsrc/backend/session/session_basic.cc
+++ b/mindspore/ccsrc/backend/session/session_basic.cc
@@ -17,6 +17,7 @@
 #include <utility>
 #include <algorithm>
 #include <unordered_map>
+#include "c_ops/primitive_c.h"
 #include "pipeline/jit/parse/data_converter.h"
 #include "ir/manager.h"
 #include "ir/param_info.h"
@@ -1039,6 +1040,45 @@ void SessionBasic::RegisterSummaryCallBackFunc(const CallBackFunc &callback) {
 
 void SessionBasic::Reorder(std::vector<CNodePtr> *node_list) { AnfAlgo::ReorderExecList(NOT_NULL(node_list)); }
 
+void SessionBasic::RunInfer(NotNull<FuncGraphPtr> func_graph, const std::vector<tensor::TensorPtr> &inputs) {
+  auto node_list = TopoSort(func_graph->get_return());
+  size_t tensor_index = 0;
+  for (const auto &node : node_list) {
+    MS_EXCEPTION_IF_NULL(node);
+    if (node->isa<CNode>()) {
+      AbstractBasePtrList input_abstracts;
+      for (size_t index = 0; index < AnfAlgo::GetInputTensorNum(node); ++index) {
+        auto input_node = AnfAlgo::GetInputNode(node->cast<CNodePtr>(), index);
+        MS_EXCEPTION_IF_NULL(input_node);
+        auto abstract = input_node->abstract();
+        MS_EXCEPTION_IF_NULL(abstract);
+        input_abstracts.emplace_back(abstract);
+      }
+      auto prim = AnfAlgo::GetCNodePrimitive(node);
+      if (prim->isa<PrimitiveC>()) {
+        auto prim_c = prim->cast<std::shared_ptr<PrimitiveC>>();
+        MS_EXCEPTION_IF_NULL(prim_c);
+        auto abstract = prim_c->Infer(input_abstracts);
+        node->set_abstract(abstract);
+      } else {
+        node->set_abstract(
+          std::make_shared<tensor::Tensor>(kNumberTypeFloat32, std::vector<int>{32, 64, 218, 218})->ToAbstract());
+      }
+    } else if (node->isa<Parameter>()) {
+      if (tensor_index > inputs.size()) {
+        MS_EXCEPTION(IndexError) << "Index " << tensor_index << "is out of " << inputs.size() << "tensor's size";
+      }
+      node->set_abstract(inputs[tensor_index++]->ToAbstract());
+    } else {
+      auto value_node = node->cast<ValueNodePtr>();
+      MS_EXCEPTION_IF_NULL(value_node);
+      auto value = value_node->value();
+      MS_EXCEPTION_IF_NULL(value);
+      value_node->set_abstract(value->ToAbstract());
+    }
+  }
+}
+
 void SessionBasic::SetSummaryNodes(KernelGraph *graph) {
   MS_LOG(DEBUG) << "Update summary Start";
   MS_EXCEPTION_IF_NULL(graph);
diff --git a/mindspore/ccsrc/backend/session/session_basic.h b/mindspore/ccsrc/backend/session/session_basic.h
index 863a222034..c0e0ed8d22 100644
--- a/mindspore/ccsrc/backend/session/session_basic.h
+++ b/mindspore/ccsrc/backend/session/session_basic.h
@@ -70,6 +70,9 @@ class SessionBasic : public std::enable_shared_from_this<SessionBasic> {
 
   virtual GraphId CompileGraph(const AnfNodePtrList &lst, const AnfNodePtrList &outputs) = 0;
   virtual GraphId CompileGraph(NotNull<FuncGraphPtr> func_graph) { return kInvalidGraphId; }
+  virtual GraphId CompileGraph(NotNull<FuncGraphPtr> func_graph, const std::vector<tensor::TensorPtr> &inputs) {
+    MS_EXCEPTION(NotExistsError) << "Call an empty function";
+  }
   // build graph, used to handle multiple child graphs
   virtual void BuildGraph(GraphId) {}
 
@@ -129,6 +132,7 @@ class SessionBasic : public std::enable_shared_from_this<SessionBasic> {
   void CreateCNodeInputs(const CNodePtr &cnode, KernelGraph *graph, std::vector<AnfNodePtr> *cnode_inputs);
 
  protected:
+  void RunInfer(NotNull<FuncGraphPtr> func_graph, const std::vector<tensor::TensorPtr> &inputs);
   // Get graph by graph id ,if not exist return null ptr
   KernelGraphPtr GetGraph(GraphId graph_id) const;
 
diff --git a/mindspore/core/c_ops/conv2d.cc b/mindspore/core/c_ops/conv2d.cc
index c29bb1b1a9..92974731db 100644
--- a/mindspore/core/c_ops/conv2d.cc
+++ b/mindspore/core/c_ops/conv2d.cc
@@ -37,10 +37,10 @@ constexpr auto kPadList = "pad_list";
 constexpr auto kConv2DName = "Conv2D";
 abstract::ShapePtr Conv2dInferShape(const PrimitivePtr &primitive, const std::vector<AbstractBasePtr> &input_args) {
   MS_EXCEPTION_IF_NULL(primitive);
-  auto conv_prim = std::dynamic_pointer_cast<Conv2d>(primitive);
+  auto conv_prim = primitive->cast<PrimConv2dPtr>();
   MS_EXCEPTION_IF_NULL(conv_prim);
   auto prim_name = conv_prim->name();
-  CheckAndConvertUtils::CheckInRange("Conv2d Infer", input_args.size(), kIncludeLeft, {2, 3}, prim_name);
+  CheckAndConvertUtils::CheckInRange("Conv2d Infer", input_args.size(), kIncludeBoth, {2, 3}, prim_name);
   auto x_shape = CheckAndConvertUtils::ConvertShapePtrToShape("x_shape", input_args[0]->GetShapeTrack(), prim_name);
   auto w_shape = CheckAndConvertUtils::ConvertShapePtrToShape("w_shape", input_args[1]->GetShapeTrack(), prim_name);
 
@@ -99,7 +99,7 @@ abstract::ShapePtr Conv2dInferShape(const PrimitivePtr &primitive, const std::ve
 }
 
 TypePtr Conv2dInferType(const PrimitivePtr &prim, const std::vector<AbstractBasePtr> &input_args) {
-  CheckAndConvertUtils::CheckInRange("", input_args.size(), kIncludeLeft, {2, 3}, prim->name());
+  CheckAndConvertUtils::CheckInRange("", input_args.size(), kIncludeBoth, {2, 3}, prim->name());
   for (const auto &item : input_args) {
     MS_EXCEPTION_IF_NULL(item);
   }
diff --git a/mindspore/core/c_ops/conv2d.h b/mindspore/core/c_ops/conv2d.h
index ed637c5829..7e8412e2f5 100644
--- a/mindspore/core/c_ops/conv2d.h
+++ b/mindspore/core/c_ops/conv2d.h
@@ -29,6 +29,7 @@ class Conv2d : public PrimitiveC {
  public:
   Conv2d();
   ~Conv2d() = default;
+  MS_DECLARE_PARENT(Conv2d, PrimitiveC);
   void Init(int out_channel, const std::vector<int> &kernel_size, int mode = 1, const std::string &pad_mode = "valid",
             const std::vector<int> &pad = {0, 0, 0, 0}, const std::vector<int> &stride = {1, 1, 1, 1},
             const std::vector<int> &dilation = {1, 1, 1, 1}, int group = 1);
diff --git a/mindspore/core/c_ops/primitive_c.h b/mindspore/core/c_ops/primitive_c.h
index e0ff2df6b6..f85d4559f4 100644
--- a/mindspore/core/c_ops/primitive_c.h
+++ b/mindspore/core/c_ops/primitive_c.h
@@ -25,6 +25,7 @@ namespace mindspore {
 class PrimitiveC : public Primitive {
  public:
   explicit PrimitiveC(const std::string &name) : Primitive(name) {}
+  MS_DECLARE_PARENT(PrimitiveC, Primitive);
   ~PrimitiveC() = default;
   AbstractBasePtr Infer(const AbstractBasePtrList &abstract_list);
 
diff --git a/mindspore/core/ir/func_graph.cc b/mindspore/core/ir/func_graph.cc
index 9ec8a6e1c5..3a6808ca71 100644
--- a/mindspore/core/ir/func_graph.cc
+++ b/mindspore/core/ir/func_graph.cc
@@ -640,7 +640,7 @@ CNodePtr FuncGraph::NewCNode(const PrimitivePtr &primitive, const std::vector<An
   return NewCNode(input_node_list);
 }
 
-ParameterPtr FuncGraph::add_parameter(const tensor::MetaTensorPtr &meta_tensor) {
+ParameterPtr FuncGraph::add_weight(const tensor::MetaTensorPtr &meta_tensor) {
   auto parameter = add_parameter();
   parameter->set_default_param(MakeValue(meta_tensor));
   parameter->set_abstract(meta_tensor->ToAbstract());
diff --git a/mindspore/core/ir/func_graph.h b/mindspore/core/ir/func_graph.h
index fe4ca7afa9..d813a958b6 100644
--- a/mindspore/core/ir/func_graph.h
+++ b/mindspore/core/ir/func_graph.h
@@ -173,7 +173,7 @@ class FuncGraph : public FuncGraphBase {
   CNodePtr NewCNodeWithScope(const std::vector<AnfNodePtr> &inputs, const ScopePtr &scope);
   virtual CNodePtr NewCNode(const PrimitivePtr &primitive, const std::vector<AnfNodePtr> &prim_inputs);
 
-  virtual ParameterPtr add_parameter(const tensor::MetaTensorPtr &meta_tensor);
+  virtual ParameterPtr add_weight(const tensor::MetaTensorPtr &meta_tensor);
   // Functions for handling variable argument, keyword-only arguments and variable keyword argument
   AnfNodePtr GetDefaultValueByName(const std::string &name);
   void set_param_default_value(const std::string &name, const AnfNodePtr &node) {
diff --git a/mindspore/core/utils/check_convert_utils.cc b/mindspore/core/utils/check_convert_utils.cc
index 1c7fe9abf9..5b7dd6faf1 100644
--- a/mindspore/core/utils/check_convert_utils.cc
+++ b/mindspore/core/utils/check_convert_utils.cc
@@ -64,23 +64,36 @@ std::vector<int> CheckAndConvertUtils::CheckPositiveVector(const std::string &ar
                                                            const std::vector<int> &arg_value,
                                                            const std::string &prim_name, bool allow_four,
                                                            bool ret_four) {
+  auto raise_message = [allow_four, prim_name, arg_value, arg_name]() -> void {
+    std::ostringstream buffer;
+    buffer << "For " << prim_name << " attr " << arg_name << " should be a positive vector of size two ";
+    if (allow_four) {
+      buffer << "or four ";
+    }
+    buffer << " positive int numbers , but got [";
+    for (auto item : arg_value) {
+      buffer << item << ",";
+    }
+    buffer << "]";
+    MS_EXCEPTION(ValueError) << buffer.str();
+  };
+  for (auto item : arg_value) {
+    if (item < 0) {
+      raise_message();
+    }
+  }
+  if (arg_value.size() == 1) {
+    return ret_four ? std::vector<int>{1, 1, arg_value[0], arg_value[0]} : std::vector<int>{arg_value[0], arg_value[0]};
+  }
   if (arg_value.size() == 2) {
     return ret_four ? std::vector<int>{1, 1, arg_value[0], arg_value[1]} : arg_value;
   } else if (arg_value.size() == 4 && allow_four) {
     return ret_four ? arg_value : std::vector<int>{arg_value[2], arg_value[3]};
   }
-  std::ostringstream buffer;
-  buffer << "For " << prim_name << " attr " << arg_name << " should be a positive vector of size two ";
-  if (allow_four) {
-    buffer << "or four ";
-  }
-  buffer << " positive int numbers , but got [";
-  for (auto item : arg_value) {
-    buffer << item << ",";
-  }
-  buffer << "]";
-  MS_EXCEPTION(ValueError) << buffer.str();
+  raise_message();
+  return arg_value;
 }
+
 std::string CheckAndConvertUtils::CheckString(const std::string &arg_name, const std::string &arg_value,
                                               const std::set<std::string> &check_list, const std::string &prim_name) {
   if (check_list.find(arg_value) != check_list.end()) {
@@ -131,6 +144,10 @@ void CheckAndConvertUtils::CheckInRange(const std::string &arg_name, int arg_val
   if (iter == kCompareRangeMap.end()) {
     MS_EXCEPTION(NotExistsError) << "compare_operator " << compare_operator << " cannot find in the compare map";
   }
+  if (range.first >= range.second) {
+    MS_EXCEPTION(ArgumentError) << "the check range left must be larger than right number bug got [ " << range.first
+                                << "," << range.second;
+  }
   if (iter->second(arg_value, range)) {
     return;
   }
diff --git a/mindspore/core/utils/check_convert_utils.h b/mindspore/core/utils/check_convert_utils.h
index 77b78d2189..1085c4f135 100644
--- a/mindspore/core/utils/check_convert_utils.h
+++ b/mindspore/core/utils/check_convert_utils.h
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 
-#ifndef MINDSPORE_CORE_UTILS_CHECK_CONVERT_UTILS_H
-#define MINDSPORE_CORE_UTILS_CHECK_CONVERT_UTILS_H
+#ifndef MINDSPORE_CORE_UTILS_CHECK_CONVERT_UTILS_H_
+#define MINDSPORE_CORE_UTILS_CHECK_CONVERT_UTILS_H_
 #include <vector>
 #include <string>
 #include <map>
@@ -67,4 +67,4 @@ class CheckAndConvertUtils {
   static bool IsEqualVector(const std::vector<int> &vec_1, const std::vector<int> &vec_2);
 };
 }  // namespace mindspore
-#endif  // MINDSPORE_CORE_UTILS_CHECK_CONVERT_UTILS_H
+#endif  // MINDSPORE_CORE_UTILS_CHECK_CONVERT_UTILS_H_
diff --git a/mindspore/core/utils/tensor_construct_utils.cc b/mindspore/core/utils/tensor_construct_utils.cc
new file mode 100644
index 0000000000..66764bb463
--- /dev/null
+++ b/mindspore/core/utils/tensor_construct_utils.cc
@@ -0,0 +1,59 @@
+/**
+ * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "utils/tensor_construct_utils.h"
+#include <vector>
+#include <memory>
+namespace mindspore {
+namespace {
+template <typename T>
+void SetTensorData(void *data, float num, size_t data_length) {
+  MS_EXCEPTION_IF_NULL(data);
+  auto tensor_data = reinterpret_cast<T *>(data);
+  MS_EXCEPTION_IF_NULL(tensor_data);
+  for (size_t index = 0; index < data_length; ++index) {
+    *tensor_data = num;
+    ++tensor_data;
+  }
+}
+}  // namespace
+tensor::TensorPtr TensorConstructUtils::CreateZerosTensor(TypeId type, const std::vector<int> &shape) {
+  tensor::TensorPtr tensor = std::make_shared<tensor::Tensor>(type, shape);
+
+  size_t mem_size = GetTypeByte(tensor->type()) * IntToSize(tensor->ElementsNum());
+  auto tensor_data = tensor->data_c();
+  char *data = reinterpret_cast<char *>(tensor_data);
+  MS_EXCEPTION_IF_NULL(data);
+  (void)memset_s(data, mem_size, 0, mem_size);
+
+  return tensor;
+}
+
+tensor::TensorPtr TensorConstructUtils::CreateOnesTensor(TypeId type, const std::vector<int> &shape) {
+  tensor::TensorPtr tensor = std::make_shared<tensor::Tensor>(type, shape);
+  auto mem_size = IntToSize(tensor->ElementsNum());
+  if (tensor->data_type() == kNumberTypeFloat32) {
+    SetTensorData<float>(tensor->data_c(), 1.0, mem_size);
+  } else if (tensor->data_type() == kNumberTypeInt) {
+    SetTensorData<int>(tensor->data_c(), 1, mem_size);
+  }
+  return tensor;
+}
+
+tensor::TensorPtr TensorConstructUtils::CreateTensor(TypeId type, const std::vector<int> &shape, void *data) {
+  tensor::TensorPtr tensor = std::make_shared<tensor::Tensor>(type, shape, data, type);
+  return tensor;
+}
+}  // namespace mindspore
diff --git a/mindspore/core/utils/tensor_construct_utils.h b/mindspore/core/utils/tensor_construct_utils.h
new file mode 100644
index 0000000000..b4e48a2ff9
--- /dev/null
+++ b/mindspore/core/utils/tensor_construct_utils.h
@@ -0,0 +1,28 @@
+/**
+ * Copyright 2019-2020 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MINDSPORE_CORE_UTILS_TENSOR_CONSTRUCT_UTILS_H_
+#define MINDSPORE_CORE_UTILS_TENSOR_CONSTRUCT_UTILS_H_
+#include <vector>
+#include "ir/tensor.h"
+namespace mindspore {
+class TensorConstructUtils {
+ public:
+  static tensor::TensorPtr CreateZerosTensor(TypeId type, const std::vector<int> &shape);
+  static tensor::TensorPtr CreateOnesTensor(TypeId type, const std::vector<int> &shape);
+  static tensor::TensorPtr CreateTensor(TypeId type, const std::vector<int> &shape, void *data);
+};
+}  // namespace mindspore
+#endif  // MINDSPORE_CORE_UTILS_TENSOR_CONSTRUCT_UTILS_H_