From 1b4b287a1cb37f1eb65f634af4592488e0bf38a3 Mon Sep 17 00:00:00 2001
From: xuanyue <xuanyue@huawei.com>
Date: Mon, 14 Sep 2020 17:12:53 +0800
Subject: [PATCH] errorcode return and add reduce parser for
 caffe,lsh_projection for tflite,fix some bugs

---
 build.sh                                      |  1 -
 mindspore/lite/schema/model.fbs               |  1 +
 mindspore/lite/schema/ops.fbs                 | 15 +++-
 .../lite/tools/anf_exporter/anf_exporter.cc   | 44 ++++++----
 .../lite/tools/anf_exporter/anf_exporter.h    |  3 +-
 .../anf_importer/import_from_meta_graphT.cc   | 22 ++---
 .../anf_importer/import_from_protobuf.cc      | 67 ++++++++-------
 .../tools/anf_importer/import_from_protobuf.h | 10 +--
 .../lite/tools/converter/anf_transform.cc     | 10 ++-
 .../lite/tools/converter/anf_transform.h      |  1 +
 mindspore/lite/tools/converter/converter.cc   | 23 ++++--
 mindspore/lite/tools/converter/converter.h    |  1 +
 .../tools/converter/graphdef_transform.cc     |  7 +-
 .../legacy_optimizer/graph/infershape_pass.cc |  7 ++
 mindspore/lite/tools/converter/model_parser.h | 15 ++--
 mindspore/lite/tools/converter/optimizer.cc   |  4 +-
 .../converter/parser/caffe/CMakeLists.txt     |  1 +
 .../parser/caffe/caffe_argmax_parser.cc       | 15 ++--
 .../parser/caffe/caffe_model_parser.cc        | 41 +++++++---
 .../parser/caffe/caffe_reduce_parser.cc       | 81 +++++++++++++++++++
 .../parser/caffe/caffe_reduce_parser.h        | 39 +++++++++
 .../onnx/onnx_arithmetic_operation_parser.cc  | 11 ++-
 .../parser/onnx/onnx_model_parser.cc          | 26 ++++--
 .../parser/onnx/onnx_reshape_parser.cc        | 28 +++++--
 .../parser/tflite/tflite_l2norm_parser.cc     | 24 +-----
 .../tflite/tflite_lsh_projection_parser.cc    | 74 +++++++++++++++++
 .../tflite/tflite_lsh_projection_parser.h     | 44 ++++++++++
 .../parser/tflite/tflite_model_parser.cc      | 47 ++++++++---
 mindspore/lite/tools/converter/return_code.h  | 47 +++++++++++
 .../optimizer/fusion/conv_biasadd_fusion.cc   | 15 +++-
 .../optimizer/fusion/conv_biasadd_fusion.h    |  1 +
 31 files changed, 575 insertions(+), 150 deletions(-)
 create mode 100644 mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.cc
 create mode 100644 mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.h
 create mode 100644 mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc
 create mode 100644 mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h
 create mode 100644 mindspore/lite/tools/converter/return_code.h

diff --git a/build.sh b/build.sh
index b8b7b34fa88..89bd2c9826a 100755
--- a/build.sh
+++ b/build.sh
@@ -699,7 +699,6 @@ build_lite()
 
 if [[ "X$COMPILE_LITE" = "Xon" ]]; then
     build_lite
-    exit
 else
     build_mindspore
 fi
diff --git a/mindspore/lite/schema/model.fbs b/mindspore/lite/schema/model.fbs
index 8ff085b1435..52a6b779621 100644
--- a/mindspore/lite/schema/model.fbs
+++ b/mindspore/lite/schema/model.fbs
@@ -202,6 +202,7 @@ union PrimitiveType {
     NegGrad,
     LogGrad,
     BatchToSpaceND,
+    LshProjection,
 }
 
 enum QuantType: int {
diff --git a/mindspore/lite/schema/ops.fbs b/mindspore/lite/schema/ops.fbs
index 09883b6503e..b32aebb8560 100644
--- a/mindspore/lite/schema/ops.fbs
+++ b/mindspore/lite/schema/ops.fbs
@@ -120,6 +120,12 @@ enum PaddingMode : byte {
     MODE_RESERVED = 3
 }
 
+enum LshProjectionType : byte {
+    UNKNOWN = 0,
+    SPARSE = 1,
+    DENSE = 2
+}
+
 table Pad {
     paddings: [int];
     paddingMode: PaddingMode;
@@ -661,7 +667,8 @@ enum ReduceMode : byte {
     ReduceMin = 2,
     ReduceProd = 3,
     ReduceSum = 4,
-    ReduceSumSquare = 5
+    ReduceSumSquare = 5,
+    ReduceASum = 6
 }
 
 table Reduce {
@@ -785,7 +792,7 @@ table FloorMod {
 table L2Norm {
     axis: [int];
     epsilon: float;
-    activationType: ActivationType;
+    activationType: ActivationType = 0;
 }
 
 table LogicalAnd {
@@ -937,3 +944,7 @@ table BlackBox {
     size : int;
     address : [ubyte];
 }
+
+table LshProjection {
+    type : LshProjectionType;
+}
diff --git a/mindspore/lite/tools/anf_exporter/anf_exporter.cc b/mindspore/lite/tools/anf_exporter/anf_exporter.cc
index 6deca609070..7814efc21a0 100644
--- a/mindspore/lite/tools/anf_exporter/anf_exporter.cc
+++ b/mindspore/lite/tools/anf_exporter/anf_exporter.cc
@@ -106,7 +106,7 @@ int AnfExporter::ConvertQuantParam(const std::unique_ptr<schema::MetaGraphT> &me
     if (i >= dst_node->inputIndex.size()) {
       MS_LOG(ERROR) << "node: " << dst_node->name << " input has " << input_quant_params.size()
                     << " quant_params; but only " << dst_node->inputIndex.size() << " input";
-      break;
+      return RET_PARAM_INVALID;
     }
     auto activate_index = dst_node->inputIndex[i];
     auto tensor_input = meta_graph->allTensors[activate_index].get();
@@ -170,7 +170,7 @@ void AnfExporter::SetGraphInputIndex(const std::unique_ptr<schema::MetaGraphT> &
   }
 }
 
-void AnfExporter::SetGraphoutputIndex(const CNodePtr &cnode, const std::unique_ptr<schema::MetaGraphT> &meta_graphT,
+int AnfExporter::SetGraphoutputIndex(const CNodePtr &cnode, const std::unique_ptr<schema::MetaGraphT> &meta_graphT,
                                       schema::CNodeT *return_node) {
   MS_ASSERT(nullptr != meta_graph);
   MS_ASSERT(nullptr != return_node);
@@ -178,31 +178,34 @@ void AnfExporter::SetGraphoutputIndex(const CNodePtr &cnode, const std::unique_p
     auto input_node = cnode->input(i);
     if (input_node == nullptr) {
       MS_LOG(ERROR) << "output node is nullptr";
-      return;
+      return RET_NULL_PTR;
     } else if (input_node->isa<CNode>()) {
       auto ret = ConvertInputCNode(input_node, return_node);
       if (ret != RET_OK) {
         MS_LOG(ERROR) << "obtain outputs failed";
-        return;
+        return ret;
       }
     } else {
       MS_LOG(ERROR) << "the node " << input_node->fullname_with_scope().c_str() << "is not output node";
-      return;
+      return RET_ERROR;
     }
   }
   for (size_t i = 0; i < return_node->inputIndex.size(); ++i) {
     meta_graphT->outputIndex.push_back(return_node->inputIndex[i]);
   }
+  return RET_OK;
 }
 
 schema::MetaGraphT *AnfExporter::Export(const FuncGraphPtr &func_graph, bool keep_graph) {
   auto cnodes = func_graph->GetOrderedCnodes();
   auto meta_graphT = std::make_unique<schema::MetaGraphT>();
+  int ret = RET_OK;
   for (const auto &cnode : cnodes) {
     auto primitive_c = GetValueNode<std::shared_ptr<PrimitiveC>>(cnode->input(0));
     if (primitive_c == nullptr) {
       MS_LOG(ERROR) << "primitive_c is nullptr";
-      return nullptr;
+      ret = RET_MEMORY_FAILED;
+      break;
     }
     if (primitive_c->Type() == schema::PrimitiveType_TupleGetItem ||
         primitive_c->Type() == schema::PrimitiveType_MakeTuple ||
@@ -216,32 +219,41 @@ schema::MetaGraphT *AnfExporter::Export(const FuncGraphPtr &func_graph, bool kee
     auto node = std::make_unique<schema::CNodeT>();
     if (node == nullptr) {
       MS_LOG(ERROR) << "object failed to be constructed";
-      return nullptr;
+      ret = RET_MEMORY_FAILED;
+      break;
     }
     if (primT->value.type == schema::PrimitiveType_Return) {
       node->name = "return_node";
-      SetGraphoutputIndex(cnode, meta_graphT, node.get());
+      ret = SetGraphoutputIndex(cnode, meta_graphT, node.get());
+      if (ret != RET_OK) {
+        MS_LOG(ERROR) << "SetOpOutputN failed";
+        break;
+      }
       continue;
     }
     node->nodeType = schema::NodeType_CNode;
     node->name = cnode->fullname_with_scope();
     node->primitive = std::unique_ptr<schema::PrimitiveT>(primT);
-    auto ret = SetOpInputNode(cnode, meta_graphT, node.get());
+    ret = SetOpInputNode(cnode, meta_graphT, node.get());
     if (ret != RET_OK) {
       MS_LOG(ERROR) << "SetOpInputNode failed";
-      return nullptr;
+      break;
     }
     SetOpOutputNode(cnode, meta_graphT, node.get());
     ret = ConvertQuantParam(meta_graphT, primitive_c, node);
     if (ret != RET_OK) {
       MS_LOG(ERROR) << "ConvertQuantParam failed";
-      return nullptr;
+      break;
     }
     if (!keep_graph) {
       primitive_c->ClearPrimitiveT();
     }
     meta_graphT->nodes.emplace_back(std::move(node));
   }
+  if (ret != RET_OK) {
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(ret);
+    return nullptr;
+  }
   // set graph input tensors
   SetGraphInputIndex(meta_graphT);
   return meta_graphT.release();
@@ -297,11 +309,11 @@ int AnfExporter::ConvertInputParameter(const std::shared_ptr<AnfNode> input_anod
   auto abstractBase = paramNode->abstract();
   if (abstractBase == nullptr) {
     MS_LOG(ERROR) << "Abstract of parameter is nullptr, " << paramNode->name();
-    return RET_ERROR;
+    return RET_PARAM_INVALID;
   }
   if (!utils::isa<abstract::AbstractTensorPtr>(abstractBase)) {
     MS_LOG(ERROR) << "Abstract of parameter should be anstract tensor, " << paramNode->name();
-    return RET_ERROR;
+    return RET_INPUT_TENSOR_ERROR;
   }
   auto abstractTensor = utils::cast<abstract::AbstractTensorPtr>(abstractBase);
   auto typePtr = abstractTensor->element()->GetTypeTrack();
@@ -309,7 +321,7 @@ int AnfExporter::ConvertInputParameter(const std::shared_ptr<AnfNode> input_anod
   paramTensor->dataType = typePtr->type_id();
   if (!utils::isa<abstract::ShapePtr>(abstractTensor->BuildShape())) {
     MS_LOG(ERROR) << "Shape of Abstract of parameter should be ShapePtr, " << paramNode->name();
-    return RET_ERROR;
+    return RET_PARAM_INVALID;
   }
   paramTensor->dims = utils::cast<abstract::ShapePtr>(abstractTensor->BuildShape())->shape();
   auto paramValue = std::dynamic_pointer_cast<ParamValueLite>(paramNode->default_param());
@@ -431,13 +443,13 @@ int AnfExporter::SetOpInputNode(const CNodePtr &cnode, const std::unique_ptr<sch
       auto ret = ConvertInputCNode(input_node, fb_node);
       if (ret != RET_OK) {
         MS_LOG(ERROR) << "ConvertInputCNode failed";
-        return RET_ERROR;
+        return ret;
       }
     } else if (input_node->isa<Parameter>()) {
       auto ret = ConvertInputParameter(input_node, meta_graphT, fb_node);
       if (ret != RET_OK) {
         MS_LOG(ERROR) << "ConvertInputParameter failed";
-        return RET_ERROR;
+        return ret;
       }
       if (!input_node->cast<ParameterPtr>()->has_default()) {
         is_graph_input = true;
diff --git a/mindspore/lite/tools/anf_exporter/anf_exporter.h b/mindspore/lite/tools/anf_exporter/anf_exporter.h
index 28cadf1cd8e..b9b92ffb416 100644
--- a/mindspore/lite/tools/anf_exporter/anf_exporter.h
+++ b/mindspore/lite/tools/anf_exporter/anf_exporter.h
@@ -24,6 +24,7 @@
 #include "schema/inner/model_generated.h"
 #include "src/ops/primitive_c.h"
 #include "ir/func_graph.h"
+#include "tools/converter/return_code.h"
 
 namespace mindspore::lite {
 class AnfExporter {
@@ -45,7 +46,7 @@ class AnfExporter {
   int ConvertInputValueNode(std::shared_ptr<AnfNode> input_anode,
                             const std::unique_ptr<schema::MetaGraphT> &meta_graphT, schema::CNodeT *output_cnode);
   void SetGraphInputIndex(const std::unique_ptr<schema::MetaGraphT> &meta_graphT);
-  void SetGraphoutputIndex(const CNodePtr &cnode, const std::unique_ptr<schema::MetaGraphT> &meta_graphT,
+  int SetGraphoutputIndex(const CNodePtr &cnode, const std::unique_ptr<schema::MetaGraphT> &meta_graphT,
                            schema::CNodeT *return_node);
   bool IsPrimitiveCNode(const AnfNodePtr &node, schema::PrimitiveType type);
   int ConvertQuantParam(const std::unique_ptr<schema::MetaGraphT> &meta_graph,
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 682122c142a..1258ad6ecfa 100644
--- a/mindspore/lite/tools/anf_importer/import_from_meta_graphT.cc
+++ b/mindspore/lite/tools/anf_importer/import_from_meta_graphT.cc
@@ -54,7 +54,7 @@ int AnfImporterFromMetaGraphT::ConverterConstTensor() {
       char *tensor_data = new (std::nothrow) char[size];
       if (tensor_data == nullptr) {
         MS_LOG(ERROR) << "new char[] failed";
-        return RET_ERROR;
+        return RET_MEMORY_FAILED;
       }
       std::memcpy(tensor_data, tensor->data.data(), size);
       param_value->set_tensor_addr(tensor_data);
@@ -128,7 +128,7 @@ int AnfImporterFromMetaGraphT::ConvertAbstract(const std::unique_ptr<schema::CNo
       auto tuple_get_item_prim_ptr = GetTupleGetItemPrim();
       if (tuple_get_item_prim_ptr == nullptr) {
         MS_LOG(ERROR) << "GetTupleGetItemPrim return nullptr";
-        return RET_ERROR;
+        return RET_NULL_PTR;
       }
       auto tuple_get_item_prim = NewValueNode(tuple_get_item_prim_ptr);
       auto get_item_value = NewValueNode(MakeValue<int>(i));
@@ -153,16 +153,16 @@ int AnfImporterFromMetaGraphT::ConverterCNode() {
       auto node = GetNode(j);
       if (nullptr == node) {
         MS_LOG(ERROR) << "Can't find input node.";
-        return RET_ERROR;
+        return RET_NOT_FIND_OP;
       }
       op_inputs.push_back(node);
     }
     auto new_cnode = func_graph_->NewCNode(op_inputs);
     new_cnode->set_fullname_with_scope(cNode->name);
-    auto ret = ConvertAbstract(cNode, new_cnode);
-    if (ret != RET_OK) {
+    auto status = ConvertAbstract(cNode, new_cnode);
+    if (status != RET_OK) {
       MS_LOG(ERROR) << "ConvertAbstract failed.";
-      return RET_ERROR;
+      return status;
     }
   }
   return RET_OK;
@@ -176,7 +176,7 @@ int AnfImporterFromMetaGraphT::AddReturnCNode() {
     auto make_tuple_prim_ptr = GetMakeTuplePrim();
     if (make_tuple_prim_ptr == nullptr) {
       MS_LOG(ERROR) << "GetMakeTuplePrim return nullptr";
-      return RET_ERROR;
+      return RET_NULL_PTR;
     }
     auto make_tuple_prim = NewValueNode(make_tuple_prim_ptr);
     make_tuple_inputs.emplace_back(make_tuple_prim);
@@ -184,7 +184,7 @@ int AnfImporterFromMetaGraphT::AddReturnCNode() {
       auto cNode = GetNode(tensor_id);
       if (nullptr == cNode) {
         MS_LOG(ERROR) << "Can't find input node.";
-        return RET_ERROR;
+        return RET_NOT_FIND_OP;
       }
       make_tuple_inputs.emplace_back(cNode);
     }
@@ -195,7 +195,7 @@ int AnfImporterFromMetaGraphT::AddReturnCNode() {
     auto return_prim_ptr = GetReturnPrim();
     if (return_prim_ptr == nullptr) {
       MS_LOG(ERROR) << "GetReturnPrim return nullptr";
-      return RET_ERROR;
+      return RET_NULL_PTR;
     }
     auto value_node = NewValueNode(return_prim_ptr);
     op_inputs.emplace_back(value_node);
@@ -207,14 +207,14 @@ int AnfImporterFromMetaGraphT::AddReturnCNode() {
     auto return_prim_ptr = GetReturnPrim();
     if (return_prim_ptr == nullptr) {
       MS_LOG(ERROR) << "GetReturnPrim return nullptr";
-      return RET_ERROR;
+      return RET_NULL_PTR;
     }
     auto value_node = NewValueNode(return_prim_ptr);
     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;
+      return RET_NOT_FIND_OP;
     }
     op_inputs.emplace_back(cnode);
     auto return_cnode = func_graph_->NewCNode(op_inputs);
diff --git a/mindspore/lite/tools/anf_importer/import_from_protobuf.cc b/mindspore/lite/tools/anf_importer/import_from_protobuf.cc
index 8ea0b017ee0..f1dc3853f24 100644
--- a/mindspore/lite/tools/anf_importer/import_from_protobuf.cc
+++ b/mindspore/lite/tools/anf_importer/import_from_protobuf.cc
@@ -201,23 +201,23 @@ PARSE_ONNXATTR_IN_SCALAR_FORM(int32, bool)
 PARSE_ONNXATTR_IN_SCALAR_FORM(int64, int64)
 PARSE_ONNXATTR_IN_SCALAR_FORM(uint64, uint64)
 
-bool AnfImporterFromProtobuf::BuildParameterForFuncGraph(const ParameterPtr &node,
+int AnfImporterFromProtobuf::BuildParameterForFuncGraph(const ParameterPtr &node,
                                                          const onnx::ValueInfoProto &value_proto) {
   MS_EXCEPTION_IF_NULL(node);
   if (!value_proto.has_type() || !value_proto.has_name()) {
     MS_LOG(ERROR) << "onnx ValueInfoProto has no type or name! ";
-    return false;
+    return RET_PARAM_INVALID;
   }
   node->set_name(value_proto.name());
   const auto &type_proto = value_proto.type();
   if (!type_proto.has_tensor_type()) {
     MS_LOG(ERROR) << "onnx TypeProto has no tesor_type! ";
-    return false;
+    return RET_PARAM_INVALID;
   }
   const onnx::TypeProto_Tensor &tensor_typeproto = type_proto.tensor_type();
   if (!tensor_typeproto.has_elem_type() || !tensor_typeproto.has_shape()) {
     MS_LOG(ERROR) << "onnx TypeProto_Tensor has no elem_type or shape! ";
-    return false;
+    return RET_INPUT_TENSOR_ERROR;
   }
   const onnx::TensorShapeProto &tensor_shape = tensor_typeproto.shape();
   std::vector<int> shape;
@@ -227,7 +227,7 @@ bool AnfImporterFromProtobuf::BuildParameterForFuncGraph(const ParameterPtr &nod
 
   if (kDefaultValueSwitchMap.find(tensor_typeproto.elem_type()) == kDefaultValueSwitchMap.end()) {
     MS_LOG(ERROR) << "onnx TypeProto_Tensor  elem_type is not support yet!";
-    return false;
+    return RET_PARAM_INVALID;
   }
 
   auto type_ptr = TypeIdToType(kDefaultValueSwitchMap[tensor_typeproto.elem_type()]);
@@ -248,7 +248,7 @@ bool AnfImporterFromProtobuf::BuildParameterForFuncGraph(const ParameterPtr &nod
       MS_LOG(ERROR) << "memcpy_s error";
       delete tensor_data_buf;
       delete tensor_info;
-      return false;
+      return RET_MEMORY_FAILED;
     }
 
     ParamValueLitePtr param_value = std::make_shared<ParamValueLite>();
@@ -261,10 +261,10 @@ bool AnfImporterFromProtobuf::BuildParameterForFuncGraph(const ParameterPtr &nod
     delete tensor_info;
   }
   anfnode_build_map_[value_proto.name()] = node;
-  return true;
+  return RET_OK;
 }
 
-bool AnfImporterFromProtobuf::ImportParametersForGraph(const FuncGraphPtr &outputFuncGraph,
+int AnfImporterFromProtobuf::ImportParametersForGraph(const FuncGraphPtr &outputFuncGraph,
                                                        const onnx::GraphProto &importProto) {
   MS_EXCEPTION_IF_NULL(outputFuncGraph);
   MS_LOG(INFO) << "Parameters had default paramerer size is: " << importProto.initializer_size();
@@ -273,20 +273,22 @@ bool AnfImporterFromProtobuf::ImportParametersForGraph(const FuncGraphPtr &outpu
     const onnx::TensorProto &initializer_proto = importProto.initializer(i);
     if (!initializer_proto.has_name()) {
       MS_LOG(ERROR) << "initializer vector of onnx GraphProto has no name at index: " << i;
-      return false;
+      return RET_PARAM_INVALID;
     }
     default_para_map_[initializer_proto.name()] = initializer_proto;
   }
 
+  int status = RET_OK;
   MS_LOG(INFO) << "all parameters size: " << importProto.input_size();
   for (int i = 0; i < importProto.input_size(); ++i) {
     const onnx::ValueInfoProto &input_proto = importProto.input(i);
-    if (!BuildParameterForFuncGraph(outputFuncGraph->add_parameter(), input_proto)) {
+    status = BuildParameterForFuncGraph(outputFuncGraph->add_parameter(), input_proto);
+    if (status != RET_OK) {
       MS_LOG(ERROR) << "Build parameter for funcgraph fail at index: " << i;
-      return false;
+      break;
     }
   }
-  return true;
+  return status;
 }
 
 bool AnfImporterFromProtobuf::ObtainCNodeAttrInTypeForm(const PrimitivePtr &prim, const std::string &attr_name,
@@ -662,7 +664,7 @@ bool AnfImporterFromProtobuf::BuildReturnForFuncGraph(const FuncGraphPtr &output
   return true;
 }
 
-bool AnfImporterFromProtobuf::ImportNodesForGraph(const FuncGraphPtr &outputFuncGraph,
+int AnfImporterFromProtobuf::ImportNodesForGraph(const FuncGraphPtr &outputFuncGraph,
                                                   const onnx::GraphProto &importProto,
                                                   const schema::QuantType &quantType) {
   MS_EXCEPTION_IF_NULL(outputFuncGraph);
@@ -674,22 +676,25 @@ bool AnfImporterFromProtobuf::ImportNodesForGraph(const FuncGraphPtr &outputFunc
     if (node_type == kConstantValueNode) {
       if (!BuildValueNodeForFuncGraph(node_proto)) {
         MS_LOG(ERROR) << "Build ValueNode for funcgraph fail at index: : " << i;
-        return false;
+        return RET_ERROR;
       }
       continue;
     }
     cnode_ptr = BuildCNodeForFuncGraph(outputFuncGraph, node_proto, quantType);
     if (cnode_ptr == nullptr) {
       MS_LOG(ERROR) << "Build CNode for funcgraph fail at index: : " << i;
-      return false;
+      return RET_NULL_PTR;
     }
   }
 
-  BuildReturnForFuncGraph(outputFuncGraph, importProto, cnode_ptr);
-  return true;
+  if (!BuildReturnForFuncGraph(outputFuncGraph, importProto, cnode_ptr)) {
+    MS_LOG(ERROR) << "Build ReturnNode for funcgraph failed";
+    return RET_ERROR;
+  }
+  return RET_OK;
 }
 
-bool AnfImporterFromProtobuf::BuildFuncGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto,
+int AnfImporterFromProtobuf::BuildFuncGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto,
                                              const schema::QuantType &quantType) {
   MS_EXCEPTION_IF_NULL(outputFuncGraph);
   GraphDebugInfoPtr debug_info_ptr = outputFuncGraph->debug_info();
@@ -697,47 +702,51 @@ bool AnfImporterFromProtobuf::BuildFuncGraph(const FuncGraphPtr &outputFuncGraph
   if (importProto.has_name()) {
     debug_info_ptr->set_name(importProto.name());
   } else {
-    MS_LOG(ERROR) << "FuncGraph under converting has not name!";
+    MS_LOG(INFO) << "FuncGraph under converting has not name!";
   }
 
-  if (!ImportParametersForGraph(outputFuncGraph, importProto)) {
-    return false;
+  auto status = ImportParametersForGraph(outputFuncGraph, importProto);
+  if (status != RET_OK) {
+    return status;
   }
   return ImportNodesForGraph(outputFuncGraph, importProto, quantType);
 }
 
-bool AnfImporterFromProtobuf::ParseModelConfigureInfo(const onnx::ModelProto &model_proto) {
+int AnfImporterFromProtobuf::ParseModelConfigureInfo(const onnx::ModelProto &model_proto) {
   if (!model_proto.has_producer_name()) {
     MS_LOG(ERROR) << "Parse model producer name from pb file failed!";
-    return false;
+    return RET_GRAPH_FILE_ERR;
   }
   producer_name_ = model_proto.producer_name();
 
   if (!model_proto.has_model_version()) {
     MS_LOG(ERROR) << "Parse model producer version from pb file failed!";
-    return false;
+    return RET_GRAPH_FILE_ERR;
   }
   model_version_ = model_proto.model_version();
 
   if (!model_proto.has_ir_version()) {
     MS_LOG(ERROR) << "Parse model version from pb file failed!";
-    return false;
+    return RET_GRAPH_FILE_ERR;
   }
   ir_version_ = model_proto.ir_version();
-  return true;
+  return RET_OK;
 }
 
 int AnfImporterFromProtobuf::Import(const schema::QuantType &quantType) {
   FuncGraphPtr dstGraph = std::make_shared<mindspore::FuncGraph>();
   MS_EXCEPTION_IF_NULL(dstGraph);
-  if (!ParseModelConfigureInfo(*onnx_model_)) {
+  int status = ParseModelConfigureInfo(*onnx_model_);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "Parse configuration info for pb file failed!";
+    return status;
   }
   const onnx::GraphProto &graphBuild = onnx_model_->graph();
-  if (!BuildFuncGraph(dstGraph, graphBuild, quantType)) {
+  status = BuildFuncGraph(dstGraph, graphBuild, quantType);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "Build funcgraph failed!";
     func_graph_ = nullptr;
-    return RET_ERROR;
+    return status;
   }
   func_graph_ = dstGraph;
   MS_LOG(INFO) << "Parse pb to build FuncGraph Success!";
diff --git a/mindspore/lite/tools/anf_importer/import_from_protobuf.h b/mindspore/lite/tools/anf_importer/import_from_protobuf.h
index 1af52451e23..84977c37121 100644
--- a/mindspore/lite/tools/anf_importer/import_from_protobuf.h
+++ b/mindspore/lite/tools/anf_importer/import_from_protobuf.h
@@ -45,13 +45,13 @@ class AnfImporterFromProtobuf : public AnfImporter {
   int ConverterConstTensor() override { return RET_ERROR; };
   int ConverterCNode() override { return RET_ERROR; };
   int AddReturnCNode() override { return RET_ERROR; };
-  bool ParseModelConfigureInfo(const onnx::ModelProto &model_proto);
-  bool BuildFuncGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto,
+  int ParseModelConfigureInfo(const onnx::ModelProto &model_proto);
+  int BuildFuncGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto,
                       const schema::QuantType &quantType);
-  bool ImportParametersForGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto);
-  bool ImportNodesForGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto,
+  int ImportParametersForGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto);
+  int ImportNodesForGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto,
                            const schema::QuantType &quantType);
-  bool BuildParameterForFuncGraph(const ParameterPtr &node, const onnx::ValueInfoProto &value_proto);
+  int BuildParameterForFuncGraph(const ParameterPtr &node, const onnx::ValueInfoProto &value_proto);
   CNodePtr BuildCNodeForFuncGraph(const FuncGraphPtr &outputFuncGraph, const onnx::NodeProto &node_proto,
                                   const schema::QuantType &quantType);
   bool BuildReturnForFuncGraph(const FuncGraphPtr &outputFuncGraph, const onnx::GraphProto &importProto,
diff --git a/mindspore/lite/tools/converter/anf_transform.cc b/mindspore/lite/tools/converter/anf_transform.cc
index 63f47a1718d..cc3298e8af6 100644
--- a/mindspore/lite/tools/converter/anf_transform.cc
+++ b/mindspore/lite/tools/converter/anf_transform.cc
@@ -61,25 +61,31 @@ FuncGraphPtr AnfTransform::Transform(const FuncGraphPtr &old_graph, const conver
   pm->AddPass(std::make_shared<opt::ConstFoldPass>());
   optimizer->AddPassManager(pm);
   FuncGraphPtr new_graph = optimizer->Optimize(old_graph);
-
+  if (new_graph == nullptr) {
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_NULL_PTR);
+    return nullptr;
+  }
   // quant
   if (config != nullptr) {
     if (config->quantType == schema::QuantType_PostTraining) {
       this->mQuantizer = std::make_unique<quant::PostTrainingQuantizer>(new_graph, config->configFile, 8);
       if (mQuantizer == nullptr) {
         MS_LOG(ERROR) << "New PostTrainingQuantizer failed";
+        ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_MEMORY_FAILED);
         return nullptr;
       }
     } else if (config->quantType == schema::QuantType_WeightQuant) {
       auto bitNum = static_cast<size_t>(std::stoull(config->bitNum));
       if (bitNum != quant::UINT8_QUANTIZATION) {
         MS_LOG(ERROR) << "Current Only Support 8 bit weight quant";
+        ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_ERROR);
         return nullptr;
       }
       this->mQuantizer = std::make_unique<quant::WeightQuantizer>(
         new_graph, config->quantSize, config->convWeightQuantChannelThreshold, config->bitNum);
       if (mQuantizer == nullptr) {
         MS_LOG(ERROR) << "New WeightQuantizer failed";
+        ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_MEMORY_FAILED);
         return nullptr;
       }
     }
@@ -89,6 +95,7 @@ FuncGraphPtr AnfTransform::Transform(const FuncGraphPtr &old_graph, const conver
     auto status = mQuantizer->DoQuantize(new_graph);
     if (status != RET_OK) {
       MS_LOG(ERROR) << "Quant failed " << status;
+      ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
       return nullptr;
     }
     if (config->quantType == schema::QuantType_PostTraining) {
@@ -97,6 +104,7 @@ FuncGraphPtr AnfTransform::Transform(const FuncGraphPtr &old_graph, const conver
       status = quant_cast.Run(new_graph);
       if (status != RET_OK) {
         MS_LOG(ERROR) << "add QuantCast error";
+        ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
         return nullptr;
       }
     }
diff --git a/mindspore/lite/tools/converter/anf_transform.h b/mindspore/lite/tools/converter/anf_transform.h
index 491450740da..597c9a69dd1 100644
--- a/mindspore/lite/tools/converter/anf_transform.h
+++ b/mindspore/lite/tools/converter/anf_transform.h
@@ -23,6 +23,7 @@
 #include "tools/converter/converter_flags.h"
 #include "ir/anf.h"
 #include "tools/converter/quantizer/quantizer.h"
+#include "tools/converter/return_code.h"
 
 namespace mindspore {
 namespace lite {
diff --git a/mindspore/lite/tools/converter/converter.cc b/mindspore/lite/tools/converter/converter.cc
index b744d7d63aa..1940bc3e28a 100644
--- a/mindspore/lite/tools/converter/converter.cc
+++ b/mindspore/lite/tools/converter/converter.cc
@@ -66,6 +66,8 @@ MetaGraphT *Converter::Convert(const converter::Flags *flag) {
   if (flag->fmk == converter::FmkType_MS) {
     MS_ASSERT(nullptr != modelImporter);
     modelImporter->Import(flag->quantType);
+    int status = modelImporter->Import(flag->quantType);
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     graph = modelImporter->GetResult();
   } else {
     MS_ASSERT(nullptr != modelParser);
@@ -94,8 +96,9 @@ MetaGraphT *Converter::Convert(const converter::Flags *flag) {
   transform->SetGraphDef(meta_graph);
   transform->CreateQuantizer(flag);
   auto status = transform->Transform(*flag);
-  if (status != 0) {
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "Transform meta graph failed " << status;
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
@@ -106,15 +109,16 @@ int RunConverter(int argc, const char **argv) {
   std::unique_ptr<converter::Flags> flags(new (std::nothrow) converter::Flags);
   if (flags == nullptr) {
     MS_LOG(ERROR) << "new flags error ";
-    return RET_ERROR;
+    return RET_MEMORY_FAILED;
   }
   auto status = flags->Init(argc, argv);
   if (status == RET_SUCCESS_EXIT) {
-    return 0;
+    return status;
   }
   if (status != 0) {
     MS_LOG(ERROR) << "converter::Flags Init failed: " << status;
-    return 1;
+    std::cout << "CONVERTER::FLAGS INIT FAILED" << std::endl;
+    return status;
   }
   // Load graph
   std::string modelName = flags->modelFile.substr(flags->modelFile.find_last_of(DELIM_SLASH) + 1);
@@ -147,9 +151,11 @@ int RunConverter(int argc, const char **argv) {
       return 1;
     }
   }
+  status = ReturnCode::GetSingleReturnCode()->GetReturnCode();
   if (fb_graph == nullptr) {
     MS_LOG(ERROR) << "Convert model return nullptr";
-    return 1;
+    std::cout << "CONVERT RESULT: FAILED!" << std::endl;
+    return status;
   }
 
   //   save graph to file
@@ -158,13 +164,14 @@ int RunConverter(int argc, const char **argv) {
   status = storage.Save(*fb_graph, flags->outputFile);
   if (status != 0) {
     MS_LOG(ERROR) << "Save graph failed";
-    return 1;
+    std::cout << "SAVE GRAPH FAILED!" << std::endl;
+    return RET_ERROR;
   }
 
   delete fb_graph;
   MS_LOG(INFO) << "CONVERT RESULT: SUCCESS!";
-
-  return 0;
+  std::cout << "CONVERT RESULT: SUCCESS!" << std::endl;
+  return RET_OK;
 }
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/converter.h b/mindspore/lite/tools/converter/converter.h
index 0952521d4b9..f8ef7632a14 100644
--- a/mindspore/lite/tools/converter/converter.h
+++ b/mindspore/lite/tools/converter/converter.h
@@ -25,6 +25,7 @@
 #include "tools/anf_importer/anf_importer.h"
 #include "tools/converter/converter_flags.h"
 #include "tools/converter/anf_transform.h"
+#include "tools/converter/return_code.h"
 
 namespace mindspore {
 namespace lite {
diff --git a/mindspore/lite/tools/converter/graphdef_transform.cc b/mindspore/lite/tools/converter/graphdef_transform.cc
index 7b7a8cc6552..280a46df03a 100644
--- a/mindspore/lite/tools/converter/graphdef_transform.cc
+++ b/mindspore/lite/tools/converter/graphdef_transform.cc
@@ -120,6 +120,7 @@ int GraphDefTransform::Transform(const converter::Flags &ctx) {
         status = mQuantizer->DetermineNodeQuantType();
         if (status != RET_OK) {
           MS_LOG(ERROR) << "DetermineNodeQuant failed";
+          return status;
         }
       }
     }
@@ -142,7 +143,7 @@ int GraphDefTransform::Transform(const converter::Flags &ctx) {
     auto formatTransPass = new (std::nothrow) FormatTransPass();
     if (formatTransPass == nullptr) {
       MS_LOG(ERROR) << "new formatTransPass failed";
-      return RET_ERROR;
+      return RET_MEMORY_FAILED;
     }
     formatTransPass->SetQuantType(ctx.quantType);
     formatTransPass->SetFmk(ctx.fmk);
@@ -154,7 +155,7 @@ int GraphDefTransform::Transform(const converter::Flags &ctx) {
     formatTransOptimizer.AddPass(new (std::nothrow) FormatTransFusionPass());
     formatTransOptimizer.AddPass(new (std::nothrow) IsolatedNodeRemovePass());
     status = formatTransOptimizer.Run(graphDefT);
-    if (status != RET_OK && status != RET_NO_CHANGE && status != RET_INFER_ERR) {
+    if (status != RET_OK && status != RET_NO_CHANGE && status != RET_INFER_INVALID) {
       MS_LOG(ERROR) << "Run formatTransOptimizer graphPasses Failed";
       return status;
     }
@@ -196,7 +197,7 @@ int GraphDefTransform::Transform(const converter::Flags &ctx) {
     auto dTypeTransPass = new (std::nothrow) DTypeTransPass();
     if (dTypeTransPass == nullptr) {
       MS_LOG(ERROR) << "new dTypeTransPass failed";
-      return RET_ERROR;
+      return RET_MEMORY_FAILED;
     }
     dTypeTransPass->SetInputDataDType(ctx.inputInferenceType);
     dTypeTransPass->SetOutputDataDType(ctx.inferenceType);
diff --git a/mindspore/lite/tools/converter/legacy_optimizer/graph/infershape_pass.cc b/mindspore/lite/tools/converter/legacy_optimizer/graph/infershape_pass.cc
index 93045c0156c..d355e9c1ad2 100644
--- a/mindspore/lite/tools/converter/legacy_optimizer/graph/infershape_pass.cc
+++ b/mindspore/lite/tools/converter/legacy_optimizer/graph/infershape_pass.cc
@@ -117,6 +117,13 @@ STATUS InferShapePass::Run(MetaGraphT *graph) {
     if (ret == RET_INFER_INVALID) {
       MS_LOG(INFO) << "InferShape shouldn't be done before runtime, name: " << node->name
                    << ", type: " << schema::EnumNamePrimitiveType(node->primitive->value.type) << "flag set to false.";
+      for (auto input_tensor : input_tensors) {
+        delete input_tensor;
+      }
+      for (auto output_tensor : output_tensors) {
+        delete output_tensor;
+      }
+      return RET_INFER_INVALID;
     } else if (ret != RET_OK) {
       MS_LOG(WARNING) << "InferShape failed, name: " << node->name
                       << ", type: " << schema::EnumNamePrimitiveType(node->primitive->value.type);
diff --git a/mindspore/lite/tools/converter/model_parser.h b/mindspore/lite/tools/converter/model_parser.h
index 2e8b4e67d9b..725becc5d92 100644
--- a/mindspore/lite/tools/converter/model_parser.h
+++ b/mindspore/lite/tools/converter/model_parser.h
@@ -22,7 +22,7 @@
 #include "schema/inner/model_generated.h"
 #include "tools/anf_importer/import_from_meta_graphT.h"
 #include "ir/anf.h"
-#include "include/errorcode.h"
+#include "tools/converter/return_code.h"
 
 namespace mindspore::lite {
 using namespace schema;
@@ -35,8 +35,12 @@ class ModelParser {
   FuncGraphPtr Parse(const std::string &modelFile, const std::string &weightFile,
                      const QuantType &quantType = QuantType_QUANT_NONE) {
     auto *meta_graph = ParseToFb(modelFile, weightFile, quantType);
+    if (meta_graph == nullptr) {
+      MS_LOG(ERROR) << "parse model to fb failed";
+      return nullptr;
+    }
     auto func_graph = this->Fb2Anf(meta_graph);
-    delete (meta_graph);
+    delete(meta_graph);
     return func_graph;
   }
 
@@ -48,9 +52,10 @@ class ModelParser {
     MS_EXCEPTION_IF_NULL(meta_graph);
     auto func_graph = std::make_shared<FuncGraph>();
     AnfImporterFromMetaGraphT importer(meta_graph, func_graph);
-    auto ret = importer.Import();
-    if (RET_OK != ret) {
-      MS_LOG(ERROR) << "Import anf_graph from meta_graphT failed, ret: " << ret;
+    auto status = importer.Import();
+    if (RET_OK != status) {
+      MS_LOG(ERROR) << "Import anf_graph from meta_graphT failed, ret: " << status;
+      ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
       return nullptr;
     }
     return func_graph;
diff --git a/mindspore/lite/tools/converter/optimizer.cc b/mindspore/lite/tools/converter/optimizer.cc
index 6189d56c1ff..ac7d819319d 100644
--- a/mindspore/lite/tools/converter/optimizer.cc
+++ b/mindspore/lite/tools/converter/optimizer.cc
@@ -52,7 +52,7 @@ STATUS Optimizer::Run(schema::MetaGraphT *graphDefT) {
   for (auto &opDef : graphDefT->nodes) {
     for (auto pass : this->nodePasses) {
       status = pass->Run(new GraphNode(graphDefT, opDef.get()));
-      if (status != RET_OK && status != RET_NO_CHANGE && status != RET_INFER_ERR) {
+      if (status != RET_OK && status != RET_NO_CHANGE && status != RET_INFER_INVALID) {
         MS_LOG(ERROR) << "Run NodePass failed";
         return status;
       } else {
@@ -65,7 +65,7 @@ STATUS Optimizer::Run(schema::MetaGraphT *graphDefT) {
 
   for (auto pass : this->graphPasses) {
     status = pass->Run(graphDefT);
-    if (status != RET_OK && status != RET_NO_CHANGE && status != RET_INFER_ERR) {
+    if (status != RET_OK && status != RET_NO_CHANGE && status != RET_INFER_INVALID) {
       MS_LOG(ERROR) << "Run GraphPass failed";
       return status;
     } else {
diff --git a/mindspore/lite/tools/converter/parser/caffe/CMakeLists.txt b/mindspore/lite/tools/converter/parser/caffe/CMakeLists.txt
index d10837bdeef..0e46a92e103 100644
--- a/mindspore/lite/tools/converter/parser/caffe/CMakeLists.txt
+++ b/mindspore/lite/tools/converter/parser/caffe/CMakeLists.txt
@@ -31,4 +31,5 @@ add_library(caffe_parser_mid OBJECT
         ${CMAKE_CURRENT_SOURCE_DIR}/caffe_tanh_parser.cc
         ${CMAKE_CURRENT_SOURCE_DIR}/caffe_exp_parser.cc
         ${CMAKE_CURRENT_SOURCE_DIR}/caffe_slice_parser.cc
+        ${CMAKE_CURRENT_SOURCE_DIR}/caffe_reduce_parser.cc
     )
diff --git a/mindspore/lite/tools/converter/parser/caffe/caffe_argmax_parser.cc b/mindspore/lite/tools/converter/parser/caffe/caffe_argmax_parser.cc
index d0deccaa73c..b8693b08f76 100644
--- a/mindspore/lite/tools/converter/parser/caffe/caffe_argmax_parser.cc
+++ b/mindspore/lite/tools/converter/parser/caffe/caffe_argmax_parser.cc
@@ -38,7 +38,16 @@ STATUS CaffeArgMaxParser::Parse(const caffe::LayerParameter &proto, const caffe:
     return RET_NULL_PTR;
   }
 
+  // set default params
+  attr->outMaxValue = false;
+  attr->topK = 1;
   const caffe::ArgMaxParameter argmaxParam = proto.argmax_param();
+  if (argmaxParam.has_out_max_val()) {
+    attr->outMaxValue = argmaxParam.out_max_val();
+  }
+  if (argmaxParam.has_top_k()) {
+    attr->topK = argmaxParam.top_k();
+  }
   int32_t axisType;
   int32_t axis = 0;
   if (!argmaxParam.has_axis()) {
@@ -46,15 +55,9 @@ STATUS CaffeArgMaxParser::Parse(const caffe::LayerParameter &proto, const caffe:
   } else {
     axisType = 1;
     axis = (int64_t)argmaxParam.axis();
-    if (axis == -1) {
-      MS_LOG(ERROR) << "axis with -1 may lead to calculation errors when input less than 4 dims.";
-      return RET_ERROR;
-    }
   }
   attr->axis = axis;
   attr->axisType = axisType;
-  attr->outMaxValue = argmaxParam.out_max_val();
-  attr->topK = argmaxParam.top_k();
   attr->keepDims = true;
 
   op->name = proto.name();
diff --git a/mindspore/lite/tools/converter/parser/caffe/caffe_model_parser.cc b/mindspore/lite/tools/converter/parser/caffe/caffe_model_parser.cc
index 549167cf7ae..bd41b780722 100644
--- a/mindspore/lite/tools/converter/parser/caffe/caffe_model_parser.cc
+++ b/mindspore/lite/tools/converter/parser/caffe/caffe_model_parser.cc
@@ -33,18 +33,23 @@ const std::set<std::string> CaffeModelParser::skipedLayerType = {"Dropout"};
 
 schema::MetaGraphT *CaffeModelParser::ParseToFb(const std::string &modelFile, const std::string &weightFile,
                                                 const QuantType &quantType) {
-  if (ValidateFileStr(modelFile, ".prototxt") != RET_OK) {
+  int status = ValidateFileStr(modelFile, ".prototxt");
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "INPUT ILLEGAL: modelFile must be *.prototxt";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
   if (weightFile.empty()) {
     MS_LOG(ERROR) << "INPUT MISSING: weightFile is necessary";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_GRAPH_FILE_ERR);
     return nullptr;
   }
 
-  if (ValidateFileStr(weightFile, ".caffemodel") != RET_OK) {
+  status = ValidateFileStr(weightFile, ".caffemodel");
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "INPUT ILLEGAL: weightFile must be *.caffemodel";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
@@ -52,33 +57,40 @@ schema::MetaGraphT *CaffeModelParser::ParseToFb(const std::string &modelFile, co
   TensorCache tensorCache;
 
   caffe::NetParameter proto;
-  if (ReadProtoFromText((const char *)modelFile.c_str(), &proto) != RET_OK) {
+  status = ReadProtoFromText((const char *)modelFile.c_str(), &proto);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "Read prototxt file failed, model path: " << modelFile;
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
   metaGraph->name = proto.name();
 
   caffe::NetParameter weight;
-  if (ReadProtoFromBinaryFile((const char *)weightFile.c_str(), &weight) != RET_OK) {
+  status = ReadProtoFromBinaryFile((const char *)weightFile.c_str(), &weight);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "Read caffemodel file failed, model path: " << weightFile;
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
-  auto status = GetModelInput(proto, &tensorCache);
+  status = GetModelInput(proto, &tensorCache);
   if (status != RET_OK) {
     MS_LOG(ERROR) << "GetModelInput failed " << status;
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
   status = ParseLayer(proto, weight, &tensorCache, metaGraph.get());
   if (status != RET_OK) {
     MS_LOG(ERROR) << "ParseLayer failed " << status;
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
   status = SetGraphTensorIndex(proto, &tensorCache, metaGraph.get());
   if (status != RET_OK) {
     MS_LOG(ERROR) << "Set inputTensor index and outputTensor index for graph failed!";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
   metaGraph->name = GetModelName(modelFile);
@@ -148,7 +160,12 @@ STATUS CaffeModelParser::SetGraphTensorIndex(const caffe::NetParameter &proto, T
   }
 
   for (auto iter : caffeInspector.GetGraphOutput()) {
-    int index = tensorCache->FindTensor(iter);
+    int index = -1;
+    if (splitLayer.find(iter) != splitLayer.end()) {
+      index = tensorCache->FindTensor(splitLayer.find(iter)->second);
+    } else {
+      index = tensorCache->FindTensor(iter);
+    }
     if (index >= 0) {
       subGraphDef->outputIndex.emplace_back(index);
     } else {
@@ -199,26 +216,28 @@ STATUS CaffeModelParser::ParseLayer(const caffe::NetParameter &proto, const caff
       op->name = layer.name();
 
       if (layer.type() == "Split") {
-        splitLayer.emplace(layer.name(), layer.bottom(0));
+        for (int j = 0; j < layer.top_size(); ++j) {
+          splitLayer.emplace(layer.top(j), layer.bottom(0));
+        }
         continue;
       }
       auto status = SetOpInputIdx(layer, op.get(), tensorCache);
       if (status != RET_OK) {
         MS_LOG(ERROR) << "Set Op " << layer.name() << " Input Index Failed!";
-        return RET_ERROR;
+        return status;
       }
 
       auto nodeParser = CaffeNodeParserRegistry::GetInstance()->GetNodeParser(layer.type().c_str());
       if (nodeParser == nullptr) {
         MS_LOG(ERROR) << "Don't support type " << layer.type() << ". for caffe op " << layer.name();
-        return RET_ERROR;
+        return RET_NULL_PTR;
       }
 
       std::vector<schema::TensorT *> weightVec;
       status = nodeParser->Parse(layer, layerP, op.get(), &weightVec);
       if (status != RET_OK) {
         MS_LOG(ERROR) << "Parse weight for " << layer.name() << " Failed!";
-        return RET_ERROR;
+        return status;
       }
 
       SetWeightTensor(weightVec, op.get(), tensorCache);
@@ -226,7 +245,7 @@ STATUS CaffeModelParser::ParseLayer(const caffe::NetParameter &proto, const caff
       status = SetOpOutputIdx(layer, op.get(), tensorCache);
       if (status != RET_OK) {
         MS_LOG(ERROR) << "Set Op " << layer.name() << " Output Index Failed!";
-        return RET_ERROR;
+        return status;
       }
 
       // op->fmkType = FmkType_CAFFE;
diff --git a/mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.cc b/mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.cc
new file mode 100644
index 00000000000..4c41fd193b7
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.cc
@@ -0,0 +1,81 @@
+/**
+ * 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.
+ * 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 "tools/converter/parser/caffe/caffe_reduce_parser.h"
+#include <memory>
+#include <vector>
+
+namespace mindspore {
+namespace lite {
+STATUS CaffeReduceParser::Parse(const caffe::LayerParameter &proto,
+                                const caffe::LayerParameter &weight,
+                                schema::CNodeT *op,
+                                std::vector<schema::TensorT *> *weightVec) {
+  MS_LOG(DEBUG) << "parse CaffeReduceParser";
+  if (op == nullptr) {
+    MS_LOG(ERROR) << "op is null";
+    return RET_NULL_PTR;
+  }
+  op->primitive = std::make_unique<schema::PrimitiveT>();
+  if (op->primitive == nullptr) {
+    MS_LOG(ERROR) << "op->primitive is null";
+    return RET_NULL_PTR;
+  }
+
+  std::unique_ptr<schema::ReduceT> attr = std::make_unique<schema::ReduceT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new op failed";
+    return RET_NULL_PTR;
+  }
+
+  const caffe::ReductionParameter reduce_param = proto.reduction_param();
+  if (reduce_param.has_operation()) {
+    switch (reduce_param.operation()) {
+      case caffe::ReductionParameter_ReductionOp_MEAN:
+        attr->mode = schema::ReduceMode_ReduceMean;
+        break;
+      case caffe::ReductionParameter_ReductionOp_SUM:
+        attr->mode = schema::ReduceMode_ReduceSum;
+        break;
+      case caffe::ReductionParameter_ReductionOp_SUMSQ:
+        attr->mode = schema::ReduceMode_ReduceSumSquare;
+        break;
+      case caffe::ReductionParameter_ReductionOp_ASUM:
+        attr->mode = schema::ReduceMode_ReduceASum;
+      default:
+        MS_LOG(ERROR) << "reduce parse params fail, unsupported opration: " << reduce_param.operation();
+        return RET_ERROR;
+    }
+  } else {
+    attr->mode = schema::ReduceMode_ReduceSum;
+  }
+  if (reduce_param.has_axis()) {
+    attr->axes = std::vector(1, reduce_param.axis());
+  } else {
+    attr->axes = std::vector(1, 0);
+  }
+  attr->reduceToEnd = true;
+  attr->keepDims = false;
+  op->name = proto.name();
+  op->primitive->value.type = schema::PrimitiveType_Reduce;
+  op->primitive->value.value = attr.release();
+  return RET_OK;
+}
+
+CaffeNodeRegistrar g_caffeReduceParser("Reduction", new CaffeReduceParser());
+}  // namespace lite
+}  // namespace mindspore
+
diff --git a/mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.h b/mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.h
new file mode 100644
index 00000000000..c72f8e279cf
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/caffe/caffe_reduce_parser.h
@@ -0,0 +1,39 @@
+/**
+ * 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.
+ * 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_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_REDUCE_PARSER_H
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_REDUCE_PARSER_H
+
+#include <vector>
+#include "tools/converter/parser/caffe/caffe_node_parser.h"
+#include "tools/converter/parser/caffe/caffe_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+class CaffeReduceParser : public CaffeNodeParser {
+ public:
+    CaffeReduceParser() : CaffeNodeParser("reduce") {}
+
+  STATUS Parse(const caffe::LayerParameter &proto,
+               const caffe::LayerParameter &weight,
+               schema::CNodeT *op,
+               std::vector<schema::TensorT *> *weightVec) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_CAFFE_CAFFE_REDUCE_PARSER_H
+
diff --git a/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc b/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc
index 45722dd4705..6c66d07666c 100644
--- a/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc
+++ b/mindspore/lite/tools/converter/parser/onnx/onnx_arithmetic_operation_parser.cc
@@ -548,8 +548,15 @@ STATUS OnnxTanhParser::Parse(const onnx::GraphProto &onnx_graph, const onnx::Nod
     return RET_NULL_PTR;
   }
 
-  MS_LOG(ERROR) << "mslite don't support tanh now";
-  return RET_ERROR;
+  std::unique_ptr<schema::ActivationT> attr = std::make_unique<schema::ActivationT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new op failed";
+    return RET_NULL_PTR;
+  }
+  attr->type = schema::ActivationType_TANH;
+  op->primitive->value.type = schema::PrimitiveType_Activation;
+  op->primitive->value.value = attr.release();
+  return RET_OK;
 }
 
 OnnxNodeRegistrar g_onnxAddParser("Add", new OnnxAddParser());
diff --git a/mindspore/lite/tools/converter/parser/onnx/onnx_model_parser.cc b/mindspore/lite/tools/converter/parser/onnx/onnx_model_parser.cc
index dc4eb404ea5..4680d387f27 100644
--- a/mindspore/lite/tools/converter/parser/onnx/onnx_model_parser.cc
+++ b/mindspore/lite/tools/converter/parser/onnx/onnx_model_parser.cc
@@ -458,14 +458,18 @@ void OnnxModelParser::FindGraphInputAndConst(const onnx::GraphProto &onnx_graph)
 
 schema::MetaGraphT *OnnxModelParser::ParseToFb(const std::string &modelFile, const std::string &weightFile,
                                                const QuantType &quantType) {
-  if (ValidateFileStr(modelFile, ".onnx") != RET_OK) {
+  int status = ValidateFileStr(modelFile, ".onnx");
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "Input illegal: modelFile must be *.onnx";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
   onnx::ModelProto onnx_model;
-  if (ReadProtoFromBinaryFile((const char *)modelFile.c_str(), &onnx_model) != RET_OK) {
+  status = ReadProtoFromBinaryFile((const char *)modelFile.c_str(), &onnx_model);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "Read onnx model file failed, model path: " << modelFile;
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
   const onnx::GraphProto &onnx_graph = onnx_model.graph();
@@ -475,19 +479,25 @@ schema::MetaGraphT *OnnxModelParser::ParseToFb(const std::string &modelFile, con
   // find out input names and const names
   FindGraphInputAndConst(onnx_graph);
   // set const tensor
-  if (SetGraphConstTensor(onnx_graph, &tensor_cache)) {
+  status = SetGraphConstTensor(onnx_graph, &tensor_cache);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "SetGraphConstTensor failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
   auto dst_graph = std::make_unique<schema::MetaGraphT>();
   // init onnx model graph input tensor
-  if (SetGraphInputTensor(onnx_graph, dst_graph.get(), &tensor_cache)) {
+  status = SetGraphInputTensor(onnx_graph, dst_graph.get(), &tensor_cache);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "SetGraphInputTensor failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
   // init onnx model graph output tensor
-  if (SetGraphOutputTensor(onnx_graph, dst_graph.get(), &tensor_cache)) {
+  status = SetGraphOutputTensor(onnx_graph, dst_graph.get(), &tensor_cache);
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "SetGraphOutputTensor failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
   // init op node input/output tensor, and dst_op attr
@@ -499,9 +509,10 @@ schema::MetaGraphT *OnnxModelParser::ParseToFb(const std::string &modelFile, con
       ParseOnnxGemmNode(onnx_graph, onnx_node, dst_graph.get(), &tensor_cache);
       continue;
     } else if (onnx_node.op_type() == "Int8GivenIntTensorFill" || onnx_node.op_type() == "Int8GivenTensorFill") {
-      auto status = ParseOnnxGivenFillNode(onnx_node, &tensor_cache);
+      status = ParseOnnxGivenFillNode(onnx_node, &tensor_cache);
       if (status != RET_OK) {
         MS_LOG(ERROR) << "ParseOnnxGivenFillNode failed: " << status;
+        ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
         return nullptr;
       }
       continue;
@@ -509,9 +520,10 @@ schema::MetaGraphT *OnnxModelParser::ParseToFb(const std::string &modelFile, con
 
     std::unique_ptr<schema::CNodeT> dst_op = std::make_unique<schema::CNodeT>();
     std::unique_ptr<schema::TensorT> dst_tensor = std::make_unique<schema::TensorT>();
-    auto status = ParseOnnxNodeToDstOp(onnx_graph, onnx_node, dst_op.get(), dst_tensor.get(), &tensor_cache);
+    status = ParseOnnxNodeToDstOp(onnx_graph, onnx_node, dst_op.get(), dst_tensor.get(), &tensor_cache);
     if (status != RET_OK) {
       MS_LOG(ERROR) << "parse node " << onnx_node.op_type() << " failed";
+      ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
       return nullptr;
     }
     dst_graph->nodes.emplace_back(std::move(dst_op));
diff --git a/mindspore/lite/tools/converter/parser/onnx/onnx_reshape_parser.cc b/mindspore/lite/tools/converter/parser/onnx/onnx_reshape_parser.cc
index b976fc474a5..f9fe53782ee 100644
--- a/mindspore/lite/tools/converter/parser/onnx/onnx_reshape_parser.cc
+++ b/mindspore/lite/tools/converter/parser/onnx/onnx_reshape_parser.cc
@@ -42,11 +42,29 @@ STATUS OnnxReshapeParser::Parse(const onnx::GraphProto &onnx_graph, const onnx::
   attr->format = schema::Format_NCHW;
   std::vector<int64_t> shape;
   shape.clear();
-  for (const auto &onnx_node_attr : onnx_node.attribute()) {
-    const auto &attribute_name = onnx_node_attr.name();
-    if (attribute_name == "shape") {
-      for (int i = 0; i < onnx_node_attr.ints_size(); ++i) {
-        shape.push_back(static_cast<int64_t>(onnx_node_attr.ints(i)));
+  if (onnx_node.input_size() != 2) {
+    for (const auto &onnx_node_attr : onnx_node.attribute()) {
+      const auto &attribute_name = onnx_node_attr.name();
+      if (attribute_name == "shape") {
+        for (int i = 0; i < onnx_node_attr.ints_size(); ++i) {
+          shape.push_back(static_cast<int64_t>(onnx_node_attr.ints(i)));
+        }
+      }
+    }
+  } else {
+    onnx::TensorProto input_shape;
+    const auto &shape_name = onnx_node.input(1);
+    for (const auto &it : onnx_graph.initializer()) {
+      if (it.name() == shape_name) {
+        input_shape = it;
+        break;
+      }
+    }
+    if (input_shape.int64_data_size() == 0) {
+      MS_LOG(WARNING) << "shape maybe from another op other than const initializer";
+    } else {
+      for (int i = 0; i < input_shape.int64_data_size(); ++i) {
+        shape.push_back(input_shape.int64_data(i));
       }
     }
   }
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc
index 39179be0525..1a158fbccbd 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_l2norm_parser.cc
@@ -43,26 +43,10 @@ STATUS TfliteL2NormParser::Parse(const std::unique_ptr<tflite::OperatorT> &tflit
     MS_LOG(ERROR) << "new op failed";
     return RET_NULL_PTR;
   }
-
-  if (tflite_op->inputs.empty()) {
-    MS_LOG(ERROR) << "the input is null";
-    return RET_NULL_PTR;
-  }
-  auto data_index = tflite_op->inputs[0];
-  const auto &data_tensor = tflite_tensors[data_index];
-  if (data_tensor == nullptr) {
-    MS_LOG(ERROR) << "the input tensor is null";
-    return RET_NULL_PTR;
-  }
-
-  auto ndim = data_tensor->shape.size();
-  std::vector<int32_t> axis;
-  axis.reserve(ndim);
-  for (size_t i = 0; i < ndim; i++) {
-    axis.emplace_back(i);
-  }
-  attr->axis = axis;
-  attr->epsilon = 0.0f;
+  const auto &tflite_attr = tflite_op->builtin_options.AsL2NormOptions();
+  attr->axis = {-1};
+  attr->epsilon = 1e-6f;
+  attr->activationType = GetActivationFunctionType(tflite_attr->fused_activation_function);
 
   op->primitive->value.type = schema::PrimitiveType_L2Norm;
   op->primitive->value.value = attr.release();
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc
new file mode 100644
index 00000000000..93eed2fd3e2
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.cc
@@ -0,0 +1,74 @@
+/**
+ * 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.
+ * 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 "tools/converter/parser/tflite/tflite_lsh_projection_parser.h"
+#include <vector>
+#include <memory>
+#include <map>
+
+namespace mindspore {
+namespace lite {
+STATUS TfliteLshProjectionParser::Parse(const std::unique_ptr<tflite::OperatorT> &tflite_op,
+                                        const std::vector<std::unique_ptr<tflite::TensorT>> &tflite_tensors,
+                                        const std::vector<std::unique_ptr<tflite::BufferT>> &tflite_model_buffer,
+                                        schema::CNodeT *op,
+                                        std::vector<int32_t> *tensors_id,
+                                        std::vector<schema::Format> *tensors_format,
+                                        std::map<int, int>  *tensors_id_map) {
+  MS_LOG(DEBUG) << "parse TfliteLshProjectionParser";
+  if (op == nullptr) {
+    MS_LOG(ERROR) << "op is null";
+    return RET_NULL_PTR;
+  }
+  op->primitive = std::make_unique<schema::PrimitiveT>();
+  if (op->primitive == nullptr) {
+    MS_LOG(ERROR) << "op->primitive is null";
+    return RET_NULL_PTR;
+  }
+
+  std::unique_ptr<schema::LshProjectionT> attr = std::make_unique<schema::LshProjectionT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new op failed";
+    return RET_NULL_PTR;
+  }
+
+  const auto &tflite_attr = tflite_op->builtin_options.AsLSHProjectionOptions();
+  switch (tflite_attr->type) {
+    case tflite::LSHProjectionType_SPARSE:
+      attr->type = schema::LshProjectionType_SPARSE;
+      break;
+    case tflite::LSHProjectionType_DENSE:
+      attr->type = schema::LshProjectionType_DENSE;
+      break;
+    default:
+      attr->type = schema::LshProjectionType_UNKNOWN;
+  }
+  op->primitive->value.type = schema::PrimitiveType_LshProjection;
+  op->primitive->value.value = attr.release();
+
+  for (size_t i = 0; i < tflite_op->inputs.size(); ++i) {
+    AddOpInput(op, tensors_id, tensors_format, tensors_id_map,
+               tflite_op->inputs[i], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
+  }
+  AddOpOutput(op, tensors_id, tensors_format, tensors_id_map,
+              tflite_op->outputs[0], tensors_id->size(), tflite_tensors.size(), schema::Format_NHWC);
+  return RET_OK;
+}
+
+TfliteNodeRegister g_tfliteLshProjectionParser("LshProjection", new TfliteLshProjectionParser());
+}  // namespace lite
+}  // namespace mindspore
+
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h
new file mode 100644
index 00000000000..145bf3da42c
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_lsh_projection_parser.h
@@ -0,0 +1,44 @@
+/**
+ * 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.
+ * 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_LITE_TOOLS_CONVERTER_PARSER_TFLITE_LSH_PROJECTION_PARSER_H
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_LSH_PROJECTION_PARSER_H
+
+#include <memory>
+#include <vector>
+#include <map>
+#include "tools/converter/parser/tflite/tflite_node_parser.h"
+#include "tools/converter/parser/tflite/tflite_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+class TfliteLshProjectionParser : public TfliteNodeParser {
+ public:
+  TfliteLshProjectionParser() : TfliteNodeParser("LshProjection") {}
+
+  STATUS Parse(const std::unique_ptr<tflite::OperatorT> &tflite_op,
+               const std::vector<std::unique_ptr<tflite::TensorT>> &tflite_tensors,
+               const std::vector<std::unique_ptr<tflite::BufferT>> &tflite_model_buffer,
+               schema::CNodeT *op,
+               std::vector<int32_t> *tensors_id,
+               std::vector<schema::Format> *tensors_format,
+               std::map<int, int>  *tensors_id_map) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TFLITE_LSH_PROJECTION_PARSER_H
+
diff --git a/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc b/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc
index 795fabd6e79..84324c36508 100644
--- a/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc
+++ b/mindspore/lite/tools/converter/parser/tflite/tflite_model_parser.cc
@@ -56,11 +56,11 @@ STATUS TfliteModelParser::CopyConstTensorData(const std::vector<std::unique_ptr<
     if (memcpy_s(tensor->data.data(), tensor->data.size(), tflite_model_buffer[buffer_idx]->data.data(),
                  tflite_model_buffer[buffer_idx]->data.size())) {
       MS_LOG(ERROR) << "memcpy tensor data failed";
-      return RET_ERROR;
+      return RET_MEMORY_FAILED;
     }
   } else {
     MS_LOG(ERROR) << "src tensor data is empty";
-    return RET_ERROR;
+    return RET_INPUT_TENSOR_ERROR;
   }
   return RET_OK;
 }
@@ -77,7 +77,8 @@ void TfliteModelParser::SetTensorQuantParam(const std::unique_ptr<tflite::Tensor
   }
 
   // change quant param min to 0 to fit ms-lite ops
-  if (tensor->dataType == TypeId::kNumberTypeInt8) {
+  if (GetTfliteDataType(tflite_tensor->type) == TypeId::kNumberTypeUInt8
+      && tensor->dataType == TypeId::kNumberTypeInt8) {
     quant_param->zeroPoint = quant_param->zeroPoint - 128;
   }
 
@@ -114,12 +115,13 @@ STATUS TfliteModelParser::ConvertOp(const std::unique_ptr<tflite::ModelT> &tflit
     auto node_parser = TfliteNodeParserRegistry::GetInstance()->GetNodeParser(op_type);
     if (node_parser == nullptr) {
       MS_LOG(ERROR) << "cannot find node parser, opType: " << op_type.c_str();
-      return RET_NULL_PTR;
+      return RET_NOT_FIND_OP;
     }
-    if (node_parser->Parse(tflite_op, tflite_subgraph->tensors, tflite_model->buffers, op.get(), &tensorsId,
-                           &tensorsFormat, &tensorsIdMap) != RET_OK) {
+    int status = node_parser->Parse(tflite_op, tflite_subgraph->tensors, tflite_model->buffers, op.get(), &tensorsId,
+                           &tensorsFormat, &tensorsIdMap);
+    if (status != RET_OK) {
       MS_LOG(ERROR) << "node " << op_type.c_str() << " parser failed";
-      return RET_ERROR;
+      return status;
     }
 
     sub_graph->nodes.emplace_back(op.release());
@@ -158,7 +160,11 @@ STATUS TfliteModelParser::ConvertTensor(const std::unique_ptr<tflite::SubGraphT>
     auto &tensor_buffer = tflite_model_buffer.at(tflite_tensor->buffer);
     auto isConst = (!tensor_buffer->data.empty());
     if (isConst) {
-      CopyConstTensorData(tflite_model_buffer, tflite_tensor.get(), tensor.get());
+      int status = CopyConstTensorData(tflite_model_buffer, tflite_tensor.get(), tensor.get());
+      if (status != RET_OK) {
+          MS_LOG(ERROR) << "obtain const tensor failed";
+          return status;
+      }
     } else if (quantType == QuantType_AwareTraining && tensor->dataType == TypeId::kNumberTypeUInt8) {
       // set in/out tensor to int8 to fit ms-lite op
       tensor->dataType = TypeId::kNumberTypeInt8;
@@ -204,6 +210,9 @@ STATUS TfliteModelParser::GetGraphInfo(const std::unique_ptr<tflite::SubGraphT>
     auto iter = tensorsIdMap.find(id);
     if (iter != tensorsIdMap.end()) {
       graph_inputs.push_back(iter->second);
+    } else {
+      MS_LOG(ERROR) << "get graph input failed";
+      return RET_INPUT_TENSOR_ERROR;
     }
   }
   sub_graph->inputIndex.assign(graph_inputs.begin(), graph_inputs.end());
@@ -220,6 +229,9 @@ STATUS TfliteModelParser::GetGraphInfo(const std::unique_ptr<tflite::SubGraphT>
     auto iter = tensorsIdMap.find(id);
     if (iter != tensorsIdMap.end()) {
       graph_outputs.push_back(iter->second);
+    } else {
+      MS_LOG(ERROR) << "get graph output failed";
+      return RET_INPUT_TENSOR_ERROR;
     }
   }
   sub_graph->outputIndex.assign(graph_outputs.begin(), graph_outputs.end());
@@ -306,11 +318,13 @@ schema::MetaGraphT *TfliteModelParser::ParseToFb(const std::string &model_file,
   auto tflite_model = ReadTfliteModel(model_file.c_str());
   if (tflite_model == nullptr) {
     MS_LOG(ERROR) << "read tflite model failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_GRAPH_FILE_ERR);
     return nullptr;
   }
 
   if (tflite_model->subgraphs.size() != 1) {
     MS_LOG(ERROR) << "read tflite model subgraphs failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_GRAPH_FILE_ERR);
     return nullptr;
   }
   const auto &tflite_subgraph = tflite_model->subgraphs[0];
@@ -318,31 +332,40 @@ schema::MetaGraphT *TfliteModelParser::ParseToFb(const std::string &model_file,
   auto meta_graph = std::make_unique<schema::MetaGraphT>();
   if (meta_graph == nullptr) {
     MS_LOG(ERROR) << "new meta graph failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(RET_MEMORY_FAILED);
     return nullptr;
   }
   meta_graph->name = "MS_model converted by TF-Lite";
   quantType = quant_type;
   // convert op
-  if (ConvertOp(tflite_model, tflite_subgraph, quant_type, meta_graph.get()) != RET_OK) {
+  int status = ConvertOp(tflite_model, tflite_subgraph, quant_type, meta_graph.get());
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "parse op failed.";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
   // convert tensor
-  if (ConvertTensor(tflite_subgraph, tflite_model->buffers, meta_graph.get()) != RET_OK) {
+  status = ConvertTensor(tflite_subgraph, tflite_model->buffers, meta_graph.get());
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "convert tensor failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
   // set graph input/output
-  if (GetGraphInfo(tflite_subgraph, meta_graph.get()) != RET_OK) {
+  status = GetGraphInfo(tflite_subgraph, meta_graph.get());
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "convert tensors failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
   // update for depthwiseConv
-  if (ConvertGroupDepthwiseOp(meta_graph.get()) != RET_OK) {
+  status = ConvertGroupDepthwiseOp(meta_graph.get());
+  if (status != RET_OK) {
     MS_LOG(ERROR) << "convert group depthwise conv failed";
+    ReturnCode::GetSingleReturnCode()->UpdateReturnCode(status);
     return nullptr;
   }
 
diff --git a/mindspore/lite/tools/converter/return_code.h b/mindspore/lite/tools/converter/return_code.h
new file mode 100644
index 00000000000..9a0fc87e9f6
--- /dev/null
+++ b/mindspore/lite/tools/converter/return_code.h
@@ -0,0 +1,47 @@
+/**
+ * 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.
+ * 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 LITE_RETURN_CODE_H
+#define LITE_RETURN_CODE_H
+
+#include "include/errorcode.h"
+
+namespace mindspore {
+namespace lite {
+class ReturnCode {
+ public:
+  ~ReturnCode() {}
+  static ReturnCode *GetSingleReturnCode() {
+    static ReturnCode returnCode;
+    return &returnCode;
+  }
+  void UpdateReturnCode(STATUS status) {
+    if (statusCode == RET_OK) {
+      statusCode = status;
+    }
+  }
+  STATUS GetReturnCode() {
+    return statusCode;
+  }
+ private:
+  ReturnCode() { statusCode = RET_OK; }
+  int statusCode;
+};
+}  // namespace lite
+}  // namespace mindspore
+
+#endif  // LITE_RETURN_CODE_H
+
diff --git a/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.cc b/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.cc
index 6ab182aef11..c477eb3ec3c 100644
--- a/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.cc
+++ b/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.cc
@@ -79,7 +79,7 @@ int Get_Kenrnel_nums(const CNodePtr &conv_node) {
     return 0;
   }
 }
-void GenConvNewBias(const FuncGraphPtr &func_graph, const CNodePtr &conv_node, const CNodePtr &bias_node) {
+int GenConvNewBias(const FuncGraphPtr &func_graph, const CNodePtr &conv_node, const CNodePtr &bias_node) {
   AnfNodePtr conv_bias_node = nullptr;
   AnfNodePtr conv_weight_node = nullptr;
   if (conv_node->inputs().size() == kConvNoBiasLen) {
@@ -93,11 +93,12 @@ void GenConvNewBias(const FuncGraphPtr &func_graph, const CNodePtr &conv_node, c
   auto kernel_nums = Get_Kenrnel_nums(conv_node);
   if (kernel_nums <= 0) {
     MS_LOG(EXCEPTION) << "kernel num less than 0";
+    return lite::RET_INVALID_OP_ATTR;
   }
   auto add_bias_data = new (std::nothrow) float[kernel_nums];
   if (add_bias_data == nullptr) {
     MS_LOG(ERROR) << "tensor_data is nullptr";
-    return;
+    return lite::RET_MEMORY_FAILED;
   }
   auto bias_add_weight = bias_node->input(kAddWEIGHTINDEX);
   CheckIfNodeIsParam(bias_add_weight);
@@ -112,6 +113,7 @@ void GenConvNewBias(const FuncGraphPtr &func_graph, const CNodePtr &conv_node, c
   } else {
     if (EOK != memcpy_s(add_bias_data, kernel_nums * sizeof(float), add_weight_data, kernel_nums * sizeof(float))) {
       MS_LOG(EXCEPTION) << "memset_s conv_bias_data failed";
+      return lite::RET_MEMORY_FAILED;
     }
   }
   if (conv_bias_node != nullptr) {
@@ -120,6 +122,7 @@ void GenConvNewBias(const FuncGraphPtr &func_graph, const CNodePtr &conv_node, c
     auto conv_bias_tensor = std::dynamic_pointer_cast<ParamValueLite>(conv_bias_param);
     if (conv_bias_tensor->tensor_shape().empty() || conv_bias_tensor->tensor_shape()[0] != kernel_nums) {
       MS_LOG(EXCEPTION) << "conv_bias_node shape error";
+      return lite::RET_INVALID_OP_ATTR;
     }
     auto conv_bias_data = reinterpret_cast<float *>(conv_bias_tensor->tensor_addr());
     for (int i = 0; i < kernel_nums; i++) {
@@ -133,6 +136,7 @@ void GenConvNewBias(const FuncGraphPtr &func_graph, const CNodePtr &conv_node, c
     conv_new_bias->set_name(conv_node->fullname_with_scope() + "_bias");
     conv_node->add_input(conv_new_bias);
   }
+  return lite::RET_OK;
 }
 }  // namespace
 const BaseRef ConvBiasaddFusion::DefinePattern() const {
@@ -159,7 +163,11 @@ const AnfNodePtr ConvBiasaddFusion::Process(const FuncGraphPtr &func_graph, cons
   }
   auto conv_node = conv_node_anf->cast<CNodePtr>();
   CheckIfCNodeIsNull(conv_node);
-  GenConvNewBias(func_graph, conv_node, add_node);
+  int ret = GenConvNewBias(func_graph, conv_node, add_node);
+  if (ret != lite::RET_OK) {
+    lite::ReturnCode::GetSingleReturnCode()->UpdateReturnCode(ret);
+    return nullptr;
+  }
   auto primitive_c = GetValueNode<std::shared_ptr<lite::PrimitiveC>>(conv_node->input(0));
   MS_ASSERT(primitive_c != nullptr);
   auto type = primitive_c->Type();
@@ -180,6 +188,7 @@ const AnfNodePtr ConvBiasaddFusion::Process(const FuncGraphPtr &func_graph, cons
     primc->SetHasBias(true);
   } else {
     MS_LOG(ERROR) << "Unsupported opType, " << type;
+    lite::ReturnCode::GetSingleReturnCode()->UpdateReturnCode(ret);
     return nullptr;
   }
   return conv_node;
diff --git a/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.h b/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.h
index 47f78118a78..7f95c4cc109 100644
--- a/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.h
+++ b/mindspore/lite/tools/optimizer/fusion/conv_biasadd_fusion.h
@@ -18,6 +18,7 @@
 #define MINDSPORE_LITE_SRC_PASS_FUSION_CONV_BIASADD_FUSION_H_
 
 #include "backend/optimizer/common/optimizer.h"
+#include "tools/converter/return_code.h"
 
 namespace mindspore {
 namespace opt {