diff --git a/mindspore/core/abstract/abstract_value.h b/mindspore/core/abstract/abstract_value.h
index 3bdbd4b5ee6d3173b17024f8f5f702c06a33adc4..fa768addc67f523de39f9533d9f23611acf86674 100644
--- a/mindspore/core/abstract/abstract_value.h
+++ b/mindspore/core/abstract/abstract_value.h
@@ -285,8 +285,6 @@ class AbstractTensor : public AbstractUndetermined {
   AbstractBasePtr Broaden(uint8_t config = 0) const override;
   AbstractBasePtr BroadenWithShape() const;
   AbstractBasePtr Join(const AbstractBasePtr &other) final;
-  int format() const { return this->format_; }
-  void set_format(int format) { this->format_ = format; }
 
   bool operator==(const AbstractTensor &other) const;
   bool operator==(const AbstractBase &other) const override;
@@ -303,9 +301,6 @@ class AbstractTensor : public AbstractUndetermined {
     }
     return hash_sum;
   }
-
- protected:
-  int format_ = 0;
 };
 using AbstractTensorPtr = std::shared_ptr<AbstractTensor>;
 using AbstractTensorPtrList = std::vector<AbstractTensorPtr>;
diff --git a/mindspore/lite/CMakeLists.txt b/mindspore/lite/CMakeLists.txt
index 2b2c26a0756a951a7eb36adb5211c555c2d303bf..d4fa0e62f6e259545e248033b9ede7b5bb75d324 100644
--- a/mindspore/lite/CMakeLists.txt
+++ b/mindspore/lite/CMakeLists.txt
@@ -60,6 +60,7 @@ add_compile_definitions(NO_DLIB)
 add_compile_options(-fPIC)
 if("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
     #set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
+    string(REPLACE "-g" " " CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 endif()
 
 if (BUILD_DEVICE)
diff --git a/mindspore/lite/src/CMakeLists.txt b/mindspore/lite/src/CMakeLists.txt
index b3e7f96f70bdfee2eaf633d8b50582bd6ecd0283..34751013b2efc84d3b0f419e43755969ca5c421c 100644
--- a/mindspore/lite/src/CMakeLists.txt
+++ b/mindspore/lite/src/CMakeLists.txt
@@ -1,37 +1,30 @@
 set(LITE_SRC
-    ${CMAKE_CURRENT_SOURCE_DIR}/common/graph_util.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/common/ms_tensor_utils.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/runtime/allocator.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/runtime/runtime_api.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/runtime/thread_pool.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/runtime/workspace_pool.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/ir/tensor.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/context.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/executor.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/kernel_registry.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/lite_kernel.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/populate_parameter.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/scheduler.cc
-    )
-
-if (SUPPORT_GPU)
-  list(APPEND LITE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/runtime/kernel/opencl/subgraph_opencl_kernel.cc)
-  list(APPEND LITE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/runtime/kernel/opencl/utils.cc)
-endif ()
-
-set(LITE_SRC
-    ${LITE_SRC}
-    ${CMAKE_CURRENT_SOURCE_DIR}/lite_session.cc
-    ${CMAKE_CURRENT_SOURCE_DIR}/model.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/common/graph_util.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/common/ms_tensor_utils.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/runtime/allocator.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/runtime/runtime_api.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/runtime/thread_pool.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/runtime/workspace_pool.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/ir/tensor.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/context.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/executor.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/kernel_registry.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/lite_kernel.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/populate_parameter.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/scheduler.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/lite_session.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/model.cc
     )
 
 if (SUPPORT_GPU)
   set(LITE_SRC
       ${LITE_SRC}
-      ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_executor.cc
-      ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_allocator.cc
-      ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_runtime.cc
-      ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_wrapper.cc
+          ${CMAKE_CURRENT_SOURCE_DIR}/runtime/kernel/opencl/subgraph_opencl_kernel.cc
+          ${CMAKE_CURRENT_SOURCE_DIR}/runtime/kernel/opencl/utils.cc
+          ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_executor.cc
+          ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_allocator.cc
+          ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_runtime.cc
+          ${CMAKE_CURRENT_SOURCE_DIR}/runtime/opencl/opencl_wrapper.cc
       )
 endif ()
 
diff --git a/mindspore/lite/src/ir/tensor.h b/mindspore/lite/src/ir/tensor.h
index 74bf07ec9864df3d8d23e6f4c3e403186684bbcc..1fe6b9702e6a8ef6f51f256c22344a974f36516f 100644
--- a/mindspore/lite/src/ir/tensor.h
+++ b/mindspore/lite/src/ir/tensor.h
@@ -147,6 +147,7 @@ class Tensor : public mindspore::tensor::MetaTensor {
     }
     if (nullptr == allocator_) {
       free(this->data_);
+      this->data_ = nullptr;
     } else {
       allocator_->Free(this->data_);
       this->data_ = nullptr;
diff --git a/mindspore/lite/src/param_value_lite.h b/mindspore/lite/src/param_value_lite.h
index 907e70a2d0cb9f3c91bb45161b7c483202135c6c..72d027a338b9fa7360a7a99efc01d5c22e7df777 100644
--- a/mindspore/lite/src/param_value_lite.h
+++ b/mindspore/lite/src/param_value_lite.h
@@ -23,6 +23,7 @@
 #include <utility>
 
 #include "ir/dtype/type_id.h"
+#include "schema/inner/model_generated.h"
 
 namespace mindspore {
 class ParamValueLite : public Value {
@@ -50,18 +51,20 @@ class ParamValueLite : public Value {
     return size;
   }
 
-  bool operator==(const Value &other) const override {
-    return this == &other;
-  }
+  bool operator==(const Value &other) const override { return this == &other; }
+
+  int format() const { return this->format_; }
+
+  void set_format(int format) { this->format_ = format; }
 
  private:
-  void *tensor_addr_;
-  size_t tensor_size_;
-  std::vector<int> tensor_shape_;
-  TypeId type_id_;
+  void *tensor_addr_ = nullptr;
+  size_t tensor_size_ = 0;
+  int format_ = schema::Format_KCHW;
+  std::vector<int> tensor_shape_{};
+  TypeId type_id_ = TypeId::kNumberTypeFloat32;
 };
 
 using ParamValueLitePtr = std::shared_ptr<ParamValueLite>;
 }  // namespace mindspore
 #endif  // MINDSPORE_LITE_SRC_PARAM_VALUE_LITE_H_
-
diff --git a/mindspore/lite/tools/anf_exporter/anf_exporter.cc b/mindspore/lite/tools/anf_exporter/anf_exporter.cc
index faf717b7ef6b4b5eb19d57db8bb62782de1a201f..32a24792be77734cbe60fa5c86d8889bcea17e0e 100644
--- a/mindspore/lite/tools/anf_exporter/anf_exporter.cc
+++ b/mindspore/lite/tools/anf_exporter/anf_exporter.cc
@@ -35,12 +35,12 @@ void AnfExporter::RemoveIfMakeTuple(const CNodePtr &cnode) {
 
   inputs.emplace_back(cnode->input(0));
   for (size_t i = 1; i < cnode->inputs().size(); ++i) {
-    AnfNodePtr inputNode = cnode->input(i);
-    if (!inputNode->isa<CNode>()) {
+    AnfNodePtr input_node = cnode->input(i);
+    if (!input_node->isa<CNode>()) {
       inputs.emplace_back(cnode->input(i));
       continue;
     }
-    auto make_tuple_node = utils::cast<CNodePtr>(inputNode);
+    auto make_tuple_node = utils::cast<CNodePtr>(input_node);
     if (IsPrimitiveCNode(make_tuple_node, schema::PrimitiveType_MakeTuple)) {
       has_make_tuple = true;
       for (size_t j = 1; j < make_tuple_node->inputs().size(); ++j) {
@@ -62,12 +62,12 @@ bool AnfExporter::RemoveIfTupleGetItem(const CNodePtr &cnode) {
   inputs.clear();
   inputs.emplace_back(cnode->input(0));
   for (size_t i = 1; i < cnode->inputs().size(); ++i) {
-    AnfNodePtr inputNode = cnode->input(i);
-    if (!inputNode->isa<CNode>()) {
+    AnfNodePtr input_node = cnode->input(i);
+    if (!input_node->isa<CNode>()) {
       inputs.emplace_back(cnode->input(i));
       continue;
     }
-    auto tuple_get_item_node = utils::cast<CNodePtr>(inputNode);
+    auto tuple_get_item_node = utils::cast<CNodePtr>(input_node);
     if (IsPrimitiveCNode(tuple_get_item_node, schema::PrimitiveType_TupleGetItem)) {
       has_tuple_get_item = true;
       inputs.emplace_back(tuple_get_item_node->input(1));
@@ -76,7 +76,7 @@ bool AnfExporter::RemoveIfTupleGetItem(const CNodePtr &cnode) {
         MS_LOG(ERROR) << "TupleGetItem's input 2 is not valuenode";
         return false;
       }
-      ValueNodePtr value_node = utils::cast<ValueNodePtr>(indexNode);
+      auto value_node = utils::cast<ValueNodePtr>(indexNode);
       map_remove_get_item_[tuple_get_item_node->input(1)->fullname_with_scope()] = GetValue<int>(value_node->value());
     } else {
       inputs.emplace_back(cnode->input(i));
@@ -92,15 +92,20 @@ bool AnfExporter::AddOutPutIfReturn(const std::unique_ptr<schema::MetaGraphT> &m
   MS_ASSERT(meta_graphT != nullptr);
   MS_ASSERT(cnode != nullptr);
   for (size_t i = 1; i < cnode->inputs().size(); ++i) {
-    auto inputNode = cnode->input(i);
-    if (!inputNode->isa<CNode>()) {
+    auto input_anode = cnode->input(i);
+    if (!input_anode->isa<CNode>()) {
       MS_LOG(ERROR) << "Node of Return's input is not CNode";
       return false;
     }
-    auto inputCNode = utils::cast<CNodePtr>(inputNode);
-    std::string inputName = inputNode->fullname_with_scope();
-    auto graphOutput = node_id_map_[inputName];
-    meta_graphT->outputIndex.emplace_back(graphOutput);
+    auto input_cnode = utils::cast<CNodePtr>(input_anode);
+    std::string input_name = input_anode->fullname_with_scope();
+    auto iter = node_id_map_.find(input_name);
+    if (iter == node_id_map_.end()) {
+      MS_LOG(ERROR) << "Could not find output node";
+      return false;
+    }
+    auto graph_output = iter->second;
+    meta_graphT->outputIndex.emplace_back(graph_output);
   }
   return true;
 }
@@ -198,10 +203,10 @@ schema::MetaGraphT *AnfExporter::Export(const FuncGraphPtr &func_graph) {
     }
     map_remove_get_item_.clear();
     RemoveIfMakeTuple(cnode);
-    if (!RemoveIfTupleGetItem(cnode)) {
-      MS_LOG(ERROR) << "RemoveIfTupleGetItem failed";
-      return nullptr;
-    }
+    //    if (!RemoveIfTupleGetItem(cnode)) {
+    //      MS_LOG(ERROR) << "RemoveIfTupleGetItem failed";
+    //      return nullptr;
+    //    }
 
     if (primT->value.type == schema::PrimitiveType_Return) {
       AddOutPutIfReturn(meta_graphT, cnode);
@@ -234,33 +239,54 @@ schema::MetaGraphT *AnfExporter::Export(const FuncGraphPtr &func_graph) {
   return meta_graphT.release();
 }
 
-void AnfExporter::ConvertInputCNode(const std::shared_ptr<AnfNode> input_anode, schema::CNodeT *output_cnode) {
+int AnfExporter::ConvertInputCNode(const std::shared_ptr<AnfNode> input_anode, schema::CNodeT *output_cnode) {
   std::string input_name = input_anode->fullname_with_scope();
-  if (!map_remove_get_item_.empty()) {
-    for (auto name : map_remove_get_item_) {
-      if (name.first == input_name) {
-        input_name = input_name + "_o:" + std::to_string(name.second);
-      }
+  auto input_cnode = utils::cast<CNodePtr>(input_anode);
+  if (!IsPrimitiveCNode(input_cnode, schema::PrimitiveType_TupleGetItem)) {
+    if (node_id_map_.find(input_name) != node_id_map_.end()) {
+      output_cnode->inputIndex.emplace_back(node_id_map_[input_name]);
     }
+  } else {
+    auto inputs = input_cnode->inputs();
+    if (inputs.size() != 3) {
+      MS_LOG(ERROR) << "TupleGetItem should have 3 inputs, got " << inputs.size();
+      return RET_ERROR;
+    }
+    auto get_item_input_cnode = inputs.at(1);
+    auto index_vnode = inputs.at(2);
+    if (!utils::isa<ValueNode>(index_vnode)) {
+      MS_LOG(ERROR) << "TupleGetItem's input 2 is not valuenode";
+      return RET_ERROR;
+    }
+    auto value_node = utils::cast<ValueNodePtr>(index_vnode);
+    if (value_node == nullptr) {
+      MS_LOG(ERROR) << "cast to ValueNode failed";
+      return RET_ERROR;
+    }
+    auto input_index_key =
+      get_item_input_cnode->fullname_with_scope() + "_o:" + std::to_string(GetValue<int>(value_node->value()));
+    auto iter = node_id_map_.find(input_index_key);
+    if (iter == node_id_map_.end()) {
+      MS_LOG(ERROR) << "Can not find get_item output tensor";
+      return RET_ERROR;
+    }
+    output_cnode->inputIndex.emplace_back(iter->second);
   }
-  if (node_id_map_.find(input_name) != node_id_map_.end()) {
-    output_cnode->inputIndex.emplace_back(node_id_map_[input_name]);
-  }
+  return RET_OK;
 }
 
-int AnfExporter::ConvertInputParameter(const std::shared_ptr<AnfNode> input_anode, size_t anode_index,
+int AnfExporter::ConvertInputParameter(const std::shared_ptr<AnfNode> input_anode,
                                        const std::unique_ptr<schema::MetaGraphT> &meta_graphT,
                                        schema::CNodeT *output_cnode) {
-  std::string input_name = input_anode->fullname_with_scope();
   auto paramNode = input_anode->cast<ParameterPtr>();
-  if (paramNode->name().empty()) {
-    paramNode->set_name(input_name + "_i:" + std::to_string(anode_index - 1));
-  }
-  if (node_id_map_.find(paramNode->name()) != node_id_map_.end()) {
+  std::string input_name = paramNode->fullname_with_scope();
+  if (node_id_map_.find(input_name) != node_id_map_.end()) {
     output_cnode->inputIndex.emplace_back(node_id_map_[paramNode->name()]);
     return RET_OK;
   }
   auto paramTensor = std::make_unique<schema::TensorT>();
+  paramTensor->nodeType = schema::NodeType_ValueNode;
+  paramTensor->format = schema::Format_NHWC;
   auto abstractBase = paramNode->abstract();
   if (abstractBase == nullptr) {
     MS_LOG(ERROR) << "Abstract of parameter is nullptr, " << paramNode->name();
@@ -274,7 +300,6 @@ int AnfExporter::ConvertInputParameter(const std::shared_ptr<AnfNode> input_anod
   auto typePtr = abstractTensor->element()->GetTypeTrack();
   MS_ASSERT(typePtr != nullptr);
   paramTensor->dataType = typePtr->type_id();
-  paramTensor->format = schema::Format(abstractTensor->format());
   if (!utils::isa<abstract::ShapePtr>(abstractTensor->BuildShape())) {
     MS_LOG(ERROR) << "Shape of Abstract of parameter should be ShapePtr, " << paramNode->name();
     return RET_ERROR;
@@ -282,11 +307,11 @@ int AnfExporter::ConvertInputParameter(const std::shared_ptr<AnfNode> input_anod
   paramTensor->dims = utils::cast<abstract::ShapePtr>(abstractTensor->BuildShape())->shape();
   auto paramValue = std::dynamic_pointer_cast<ParamValueLite>(paramNode->default_param());
   if (paramValue != nullptr) {
-    paramTensor->nodeType = schema::NodeType_ValueNode;
     paramTensor->data.resize(paramValue->tensor_size());
+    paramTensor->format = schema::Format(paramValue->format());
     memcpy(paramTensor->data.data(), paramValue->tensor_addr(), paramValue->tensor_size());
   }
-  node_id_map_[paramNode->fullname_with_scope()] = meta_graphT->allTensors.size();
+  node_id_map_[input_name] = meta_graphT->allTensors.size();
   output_cnode->inputIndex.emplace_back(meta_graphT->allTensors.size());
   meta_graphT->allTensors.emplace_back(std::move(paramTensor));
   return RET_OK;
@@ -345,9 +370,13 @@ int AnfExporter::SetOpInputNode(const CNodePtr &cnode, const std::unique_ptr<sch
     auto input_node = cnode->input(i);
     if (input_node->isa<CNode>()) {
       is_graph_input = false;
-      ConvertInputCNode(input_node, fb_node);
+      auto ret = ConvertInputCNode(input_node, fb_node);
+      if (ret != RET_OK) {
+        MS_LOG(ERROR) << "ConvertInputCNode failed";
+        return RET_ERROR;
+      }
     } else if (input_node->isa<Parameter>()) {
-      auto ret = ConvertInputParameter(input_node, i, meta_graphT, fb_node);
+      auto ret = ConvertInputParameter(input_node, meta_graphT, fb_node);
       if (ret != RET_OK) {
         MS_LOG(ERROR) << "ConvertInputParameter failed";
         return RET_ERROR;
diff --git a/mindspore/lite/tools/anf_exporter/anf_exporter.h b/mindspore/lite/tools/anf_exporter/anf_exporter.h
index cb05852232bb7bdb768326d23ad946301e28ce6f..6fe0d1067cf8bb5ac4824e9ec703c49a62b0ba1f 100644
--- a/mindspore/lite/tools/anf_exporter/anf_exporter.h
+++ b/mindspore/lite/tools/anf_exporter/anf_exporter.h
@@ -1,7 +1,5 @@
 /**
- * This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
- *
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 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.
@@ -42,8 +40,8 @@ class AnfExporter {
   bool AddOutPutIfReturn(const std::unique_ptr<schema::MetaGraphT> &meta_graphT, const CNodePtr &cnode);
 
  protected:
-  void ConvertInputCNode(const std::shared_ptr<AnfNode> input_anode, schema::CNodeT *output_cnode);
-  int ConvertInputParameter(const std::shared_ptr<AnfNode> input_anode, size_t anode_index,
+  int ConvertInputCNode(const std::shared_ptr<AnfNode> input_anode, schema::CNodeT *output_cnode);
+  int ConvertInputParameter(const std::shared_ptr<AnfNode> input_anode,
                             const std::unique_ptr<schema::MetaGraphT> &meta_graphT, schema::CNodeT *output_cnode);
   int ConvertInputValueNode(std::shared_ptr<AnfNode> input_anode,
                             const std::unique_ptr<schema::MetaGraphT> &meta_graphT, schema::CNodeT *output_cnode);
diff --git a/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.cc b/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.cc
index 30f964cb1c70fb8340be530d71eb2d237b6d9ad0..0294865bd261f4bc440acf422ea197d355bfe4f0 100644
--- a/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.cc
+++ b/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.cc
@@ -1,6 +1,4 @@
 /**
- * This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
- *
  * Copyright 2020 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.h b/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.h
index c9af84fdadd1b74484c63e6a5dc2447d6f28340a..b10845bbfb74e412a1b9ccdf657c9705716dcac3 100644
--- a/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.h
+++ b/mindspore/lite/tools/anf_importer/anf_populater/anf_concat_populater.h
@@ -1,6 +1,4 @@
 /**
- * This is the C++ adaptation and derivative work of Myia (https://github.com/mila-iqia/myia/).
- *
  * Copyright 2020 Huawei Technologies Co., Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.cc b/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.cc
index 523c73501b51532fcefc392a3da33aae33ce8740..6e4a50e29c7002b86e931709d5dfff616b46cbd9 100644
--- a/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.cc
+++ b/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.cc
@@ -1,8 +1,5 @@
 /**
- * This is the C++ adaptation and derivative work of Myia
- * (https://github.com/mila-iqia/myia/).
- *
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 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.
@@ -22,14 +19,12 @@
 #include <vector>
 #include <memory>
 #include "tools/anf_importer/anf_populater/anf_node_populater_registry.h"
-#include "ir/func_graph.h"
-#include "src/ir/tensor.h"
 #include "tools/converter/quantizer/quantize_util.h"
 
 namespace mindspore::lite {
 void AnfConvPopulater::PopulaterConv2DMultiGroup(const PrimitivePtr &prim,
-                                                 const std::unique_ptr<schema::PrimitiveT> &primitive,
-                                                 const int &group, const std::vector<AnfNodePtr> &inputs) {
+                                                 const std::unique_ptr<schema::PrimitiveT> &primitive, const int &group,
+                                                 const std::vector<AnfNodePtr> &inputs) {
   auto attr = std::make_unique<schema::DepthwiseConv2DT>();
   auto format = GetValue<std::string>(prim->GetAttr("data_format"));
   if (format == "NCHW") {
@@ -73,19 +68,11 @@ void AnfConvPopulater::PopulaterConv2DMultiGroup(const PrimitivePtr &prim,
   attr->channelMultiplier = channel_mutiplier;
 
   MS_ASSERT(inputs.size() == kAnfPopulaterTwo);
-  auto inputNode = inputs[kAnfPopulaterOne];
-  MS_ASSERT(inputNode != nullptr);
-  if (inputNode->isa<Parameter>()) {
-    auto paramNode = inputNode->cast<ParameterPtr>();
-    auto abstractBase = paramNode->abstract();
-    MS_ASSERT(abstractBase != nullptr);
-    if (utils::isa<abstract::AbstractTensorPtr>(abstractBase)) {
-      auto abstractTensor = utils::cast<abstract::AbstractTensorPtr>(abstractBase);
-      MS_ASSERT(abstractTensor != nullptr);
-      if (abstractTensor->format() == schema::Format_NCHW) {
-        abstractTensor->set_format(schema::Format_KCHW);
-      }
-    }
+  auto input_node = inputs[kAnfPopulaterOne];
+  MS_ASSERT(input_node != nullptr);
+  if (input_node->isa<Parameter>()) {
+    auto param_node = input_node->cast<ParameterPtr>();
+    ConvertConvWeight<float>(param_node);
   }
 
   primitive->value.type = schema::PrimitiveType_DepthwiseConv2D;
@@ -144,10 +131,9 @@ void AnfConvPopulater::CalQuantParam(const double &mean, const double &stdDev, f
   *mMax = static_cast<float>((qmax - mean) / stdDev);
 }
 
-void AnfConvPopulater::PopulaterQuantParam(
-    const PrimitivePtr &prim,
-    std::vector<std::vector<schema::QuantParamT>> *vecInputQuantParam,
-    std::vector<std::vector<schema::QuantParamT>> *vecOutputQuantParam) {
+void AnfConvPopulater::PopulaterQuantParam(const PrimitivePtr &prim,
+                                           std::vector<std::vector<schema::QuantParamT>> *vecInputQuantParam,
+                                           std::vector<std::vector<schema::QuantParamT>> *vecOutputQuantParam) {
   auto narrow_range = prim->GetAttr("narrow_range");
   bool narrowRangeQuantParam = GetValue<bool>(narrow_range);
   auto num_bits = prim->GetAttr("num_bits");
@@ -206,8 +192,7 @@ void AnfConvPopulater::PopulaterQuantParam(
     quantParam.max = 0.0;
     quantParam.zeroPoint = 0;
 
-    quantParam.scale =
-        vecInputQuantParam->at(0).at(0).scale * vecInputQuantParam->at(1).at(i).scale;
+    quantParam.scale = vecInputQuantParam->at(0).at(0).scale * vecInputQuantParam->at(1).at(i).scale;
     quants.emplace_back(quantParam);
   }
   vecInputQuantParam->emplace_back(quants);
diff --git a/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.h b/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.h
index 7386b24afe20eb74c3defaa08499d49cb4ec109f..3e32d013d2af4f03f3acbb7b32f4beb6f2439c95 100644
--- a/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.h
+++ b/mindspore/lite/tools/anf_importer/anf_populater/anf_conv_populater.h
@@ -1,8 +1,5 @@
 /**
- * This is the C++ adaptation and derivative work of Myia
- * (https://github.com/mila-iqia/myia/).
- *
- * Copyright 2019 Huawei Technologies Co., Ltd
+ * Copyright 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.
@@ -20,9 +17,13 @@
 #ifndef MINDSPORE_ANF_CONV_PARSER_H
 #define MINDSPORE_ANF_CONV_PARSER_H
 
+#include "tools/anf_importer/anf_populater/anf_node_populater.h"
 #include <memory>
 #include <vector>
-#include "tools/anf_importer/anf_populater/anf_node_populater.h"
+#include "base/base_ref.h"
+#include "abstract/abstract_value.h"
+#include "src/param_value_lite.h"
+#include "src/ir/tensor.h"
 
 namespace mindspore::lite {
 class AnfConvPopulater : public AnfNodePopulater {
@@ -33,18 +34,65 @@ class AnfConvPopulater : public AnfNodePopulater {
                const std::vector<AnfNodePtr> &inputs) override;
 
  private:
-  void PopulaterConv2DMultiGroup(
-      const PrimitivePtr &prim,
-      const std::unique_ptr<schema::PrimitiveT> &primitive, const int &group, const std::vector<AnfNodePtr> &inputs);
-  void PopulaterConv2DSingleGroup(
-      const PrimitivePtr &prim,
-      const std::unique_ptr<schema::PrimitiveT> &primitive, const int &group);
-  void PopulaterQuantParam(
-      const PrimitivePtr &prim,
-      std::vector<std::vector<schema::QuantParamT>> *vecInputQuantParam,
-      std::vector<std::vector<schema::QuantParamT>> *vecOutputQuantParam);
-  void CalQuantParam(const double &mean, const double &stdDev, float *mMin,
-                     float *mMax);
+  template <typename T>
+  void ConvertConvWeight(const ParameterPtr &param_node) {
+    MS_ASSERT(param_node != nullptr);
+    auto param = param_node->default_param();
+    auto weight = std::dynamic_pointer_cast<ParamValueLite>(param);
+    MS_ASSERT(weight != nullptr);
+
+    std::unique_ptr<T> buf(new (std::nothrow) T[weight->tensor_shape_size()]);
+    if (buf == nullptr) {
+      MS_LOG(ERROR) << "new buf failed";
+      return;
+    }
+
+    size_t filter_k = weight->tensor_shape()[0];
+    size_t filter_c = weight->tensor_shape()[1];
+    size_t filter_h = weight->tensor_shape()[2];
+    size_t filter_w = weight->tensor_shape()[3];
+    T *p1Buff = nullptr;
+    T *p2Buff = nullptr;
+    for (size_t k = 0; k < filter_k; ++k) {
+      for (size_t c = 0; c < filter_c; ++c) {
+        for (size_t h = 0; h < filter_h; ++h) {
+          for (size_t w = 0; w < filter_w; ++w) {
+            p1Buff = reinterpret_cast<float *>(weight->tensor_addr()) +
+                     ((k * filter_c * filter_h * filter_w) + (c * filter_h * filter_w) + (h * filter_w) + (w));
+            p2Buff =
+              buf.get() + ((c * filter_k * filter_h * filter_w) + (k * filter_h * filter_w) + (h * filter_w) + (w));
+            *p2Buff = *p1Buff;
+          }
+        }
+      }
+    }
+
+    auto ret = ::memcpy_s(weight->tensor_addr(), weight->tensor_shape_size() * sizeof(T), buf.get(),
+                          weight->tensor_shape_size() * sizeof(T));
+    if (ret != EOK) {
+      MS_LOG(ERROR) << "memcpy_s failed: " << ret;
+      return;
+    }
+
+    auto abstract_base = param_node->abstract();
+    MS_ASSERT(abstract_base != nullptr);
+    if (utils::isa<abstract::AbstractTensorPtr>(abstract_base)) {
+      auto abstract_tensor = utils::cast<abstract::AbstractTensorPtr>(abstract_base);
+      utils::cast<abstract::ShapePtr>(abstract_tensor->BuildShape())->shape()[0] = filter_c;
+      utils::cast<abstract::ShapePtr>(abstract_tensor->BuildShape())->shape()[1] = filter_k;
+      utils::cast<abstract::ShapePtr>(abstract_tensor->BuildShape())->shape()[2] = filter_h;
+      utils::cast<abstract::ShapePtr>(abstract_tensor->BuildShape())->shape()[3] = filter_w;
+    }
+    return;
+  }
+
+  void PopulaterConv2DMultiGroup(const PrimitivePtr &prim, const std::unique_ptr<schema::PrimitiveT> &primitive,
+                                 const int &group, const std::vector<AnfNodePtr> &inputs);
+  void PopulaterConv2DSingleGroup(const PrimitivePtr &prim, const std::unique_ptr<schema::PrimitiveT> &primitive,
+                                  const int &group);
+  void PopulaterQuantParam(const PrimitivePtr &prim, std::vector<std::vector<schema::QuantParamT>> *vecInputQuantParam,
+                           std::vector<std::vector<schema::QuantParamT>> *vecOutputQuantParam);
+  void CalQuantParam(const double &mean, const double &stdDev, float *mMin, float *mMax);
 };
 }  // namespace mindspore::lite
 
diff --git a/mindspore/lite/tools/anf_importer/import_from_meta_graphT.cc b/mindspore/lite/tools/anf_importer/import_from_meta_graphT.cc
index 39e6a3ab1eb78f97ccb7f4892b2fca505a223db7..3f2ec6fcd5a96f97b47e8044797c54a5e62fd0d1 100644
--- a/mindspore/lite/tools/anf_importer/import_from_meta_graphT.cc
+++ b/mindspore/lite/tools/anf_importer/import_from_meta_graphT.cc
@@ -42,14 +42,14 @@ int AnfImporterFromMetaGraphT::ConverterConstTensor() {
     auto type_id = static_cast<TypeId>(tensor->dataType);
     auto type_ptr = TypeIdToType(type_id);
     auto abstract_tensor = std::make_shared<abstract::AbstractTensor>(type_ptr, shape);
-    abstract_tensor->set_format(tensor->format);
     parameter->set_abstract(abstract_tensor);
-    parameter->set_name("const_" + std::to_string(i));
+    parameter->set_name("const_" + std::to_string(i) + "_parameter");
 
     ParamValueLitePtr param_value = std::make_shared<ParamValueLite>();
     MS_ASSERT(param_value != nullptr);
     param_value->set_tensor_shape(shape);
     param_value->set_tensor_type(type_id);
+    param_value->set_format(tensor->format);
     if (!tensor->data.empty()) {
       auto size = tensor->data.size();
       char *tensor_data = new (std::nothrow) char[size];
@@ -138,6 +138,7 @@ void AnfImporterFromMetaGraphT::ConvertAbstract(const std::unique_ptr<schema::CN
       auto get_item_value = NewValueNode(MakeValue<int>(i));
       std::vector<AnfNodePtr> inputs{tuple_get_item_prim, dst_cnode, get_item_value};
       CNodePtr get_item_cnode = func_graph_->NewCNode(inputs);
+      get_item_cnode->set_fullname_with_scope(src_cnode->name + "_getitem_" + std::to_string(i));
       AddNode(out_tensor_id, get_item_cnode);
     }
     dst_cnode->set_abstract(std::make_shared<abstract::AbstractTuple>(abstract_list));
@@ -170,27 +171,41 @@ int AnfImporterFromMetaGraphT::ConverterCNode() {
 int AnfImporterFromMetaGraphT::AddReturnCNode() {
   MS_EXCEPTION_IF_NULL(meta_graph_);
   MS_EXCEPTION_IF_NULL(func_graph_);
-  std::vector<AnfNodePtr> make_tuple_inputs;
-  auto make_tuple_prim = NewValueNode(GetMakeTuplePrim());
-  make_tuple_inputs.emplace_back(make_tuple_prim);
-  for (auto tensor_id : meta_graph_->outputIndex) {
-    auto cNode = GetNode(tensor_id);
-    if (nullptr == cNode) {
+  if (meta_graph_->outputIndex.size() > 1) {
+    std::vector<AnfNodePtr> make_tuple_inputs;
+    auto make_tuple_prim = NewValueNode(GetMakeTuplePrim());
+    make_tuple_inputs.emplace_back(make_tuple_prim);
+    for (auto tensor_id : meta_graph_->outputIndex) {
+      auto cNode = GetNode(tensor_id);
+      if (nullptr == cNode) {
+        MS_LOG(ERROR) << "Can't find input node.";
+        return RET_ERROR;
+      }
+      make_tuple_inputs.emplace_back(cNode);
+    }
+    auto make_tuple_cnode = func_graph_->NewCNode(make_tuple_inputs);
+    make_tuple_cnode->set_fullname_with_scope("return tuple");
+
+    std::vector<AnfNodePtr> op_inputs;
+    auto value_node = NewValueNode(GetReturnPrim());
+    op_inputs.emplace_back(value_node);
+    op_inputs.emplace_back(make_tuple_cnode);
+    auto cnode = func_graph_->NewCNode(op_inputs);
+    cnode->set_fullname_with_scope("return");
+    func_graph_->set_return(cnode);
+  } else {
+    auto value_node = NewValueNode(GetReturnPrim());
+    std::vector<AnfNodePtr> op_inputs{value_node};
+    auto cnode = GetNode(meta_graph_->outputIndex.front());
+    if (nullptr == cnode) {
       MS_LOG(ERROR) << "Can't find input node.";
       return RET_ERROR;
     }
-    make_tuple_inputs.emplace_back(cNode);
+    op_inputs.emplace_back(cnode);
+    auto return_cnode = func_graph_->NewCNode(op_inputs);
+    return_cnode->set_fullname_with_scope("return");
+    func_graph_->set_return(return_cnode);
   }
-  auto make_tuple_cnode = func_graph_->NewCNode(make_tuple_inputs);
-  make_tuple_cnode->set_fullname_with_scope("return tuple");
-
-  std::vector<AnfNodePtr> op_inputs;
-  auto value_node = NewValueNode(GetReturnPrim());
-  op_inputs.emplace_back(value_node);
-  op_inputs.emplace_back(make_tuple_cnode);
-  auto cnode = func_graph_->NewCNode(op_inputs);
-  cnode->set_fullname_with_scope("return");
-  func_graph_->set_return(cnode);
   return RET_OK;
 }
 
diff --git a/mindspore/lite/tools/converter/legacy_optimizer/graph/weight_format_hardcode_pass.cc b/mindspore/lite/tools/converter/legacy_optimizer/graph/weight_format_hardcode_pass.cc
index 5c25e73a6f5a1444375149c86ebe3d7b9e8a0c05..95c64a57069b01c104d291685f2be7e6e310bc62 100644
--- a/mindspore/lite/tools/converter/legacy_optimizer/graph/weight_format_hardcode_pass.cc
+++ b/mindspore/lite/tools/converter/legacy_optimizer/graph/weight_format_hardcode_pass.cc
@@ -167,9 +167,6 @@ STATUS WeightFormatHardCodePass::HardCodeMS(const std::unique_ptr<CNodeT> &node,
       if (opType == PrimitiveType_Conv2D) {
         weightTensor->format = Format_KCHW;
       } else if (opType == PrimitiveType_DepthwiseConv2D) {
-        if (weightTensor->format == Format_KCHW) {
-          TransFilterFormat<float>(weightTensor.get(), kKCHW2CKHW);
-        }
         weightTensor->format = Format_CKHW;
       } else {
         MS_LOG(ERROR) << "Unsupported opType: " << EnumNamePrimitiveType(opType) << ", node: " << node->name;