diff --git a/mindspore/lite/tools/common/storage.cc b/mindspore/lite/tools/common/storage.cc
index 549df88f2d..f8b2430a77 100644
--- a/mindspore/lite/tools/common/storage.cc
+++ b/mindspore/lite/tools/common/storage.cc
@@ -34,7 +34,7 @@ int Storage::Save(const schema::MetaGraphT &graph, const std::string &outputPath
 
   std::ofstream output(outputPath + ".ms", std::ofstream::binary);
   if (!output.is_open()) {
-    MS_LOG(ERROR) << "ofstream open failed";
+    MS_LOG(ERROR) << "Output file path is error";
     return RET_ERROR;
   }
 
diff --git a/mindspore/lite/tools/converter/converter_flags.cc b/mindspore/lite/tools/converter/converter_flags.cc
index 7095675789..09f0406ee2 100644
--- a/mindspore/lite/tools/converter/converter_flags.cc
+++ b/mindspore/lite/tools/converter/converter_flags.cc
@@ -30,9 +30,8 @@ Flags::Flags() {
   AddFlag(&Flags::weightFile, "weightFile",
           "Input model weight file path. Needed when fmk is CAFFE. CAFFE: *.caffemodel", "");
   AddFlag(&Flags::inferenceTypeIn, "inferenceType",
-          "Real data type saved in output file, reserved param, NOT used for now. FLOAT | INT8", "FLOAT");
+          "Real data type saved in output file, reserved param, NOT used for now. SAME | FLOAT | INT8", "FLOAT");
   AddFlag(&Flags::quantTypeIn, "quantType", "Quantization Type. AwareTraining | PostTraining | WeightQuant", "");
-  AddFlag(&Flags::inputInferenceTypeIn, "inputInferenceType", "Input inference data type. FLOAT | INT8", "FLOAT");
   AddFlag(&Flags::stdDev, "stdDev", "Standard deviation value for aware-quantization", "128");
   AddFlag(&Flags::mean, "mean", "Mean value for aware-quantization", "-0.5");
   AddFlag(&Flags::bitNum, "bitNum", "Weight quantization bitNum", "8");
@@ -41,8 +40,10 @@ Flags::Flags() {
           "16");
   AddFlag(&Flags::configFile, "config_file", "Configuration for post-training.", "");
   AddFlag(&Flags::formatTrans, "formatTrans", "whether transform format. true | false", "true");
-  AddFlag(&Flags::trainModelIn, "trainModel", "whether the model is going to be trained on device."
-                                 " true | false", "false");
+  AddFlag(&Flags::trainModelIn, "trainModel",
+          "whether the model is going to be trained on device."
+          " true | false",
+          "false");
 }
 
 int Flags::Init(int argc, const char **argv) {
@@ -80,22 +81,15 @@ int Flags::Init(int argc, const char **argv) {
     std::cerr << "INPUT MISSING: fmk is necessary";
     return RET_INPUT_PARAM_LACK;
   }
-  if (this->inputInferenceTypeIn == "FLOAT") {
-    this->inputInferenceType = TypeId::kNumberTypeFloat;
-  } else if (this->inputInferenceTypeIn == "INT8") {
-    this->inputInferenceType = TypeId::kNumberTypeInt8;
-  } else {
-    std::cerr << "INPUT INVALID: inputInferenceType is invalid: %s, supported inputInferenceType: FLOAT | INT8",
-      this->inputInferenceTypeIn.c_str();
-    return RET_INPUT_PARAM_INVALID;
-  }
 
   if (this->inferenceTypeIn == "FLOAT") {
     this->inferenceType = TypeId::kNumberTypeFloat;
   } else if (this->inferenceTypeIn == "INT8") {
     this->inferenceType = TypeId::kNumberTypeInt8;
+  } else if (this->inferenceTypeIn == "SAME") {
+    this->inferenceType = TypeId::kTypeUnknown;
   } else {
-    std::cerr << "INPUT INVALID: inferenceType is invalid: %s, supported inferenceType: FLOAT | INT8",
+    std::cerr << "INPUT INVALID: inferenceType is invalid: %s, supported inferenceType: FLOAT | INT8 | SAME",
       this->inferenceTypeIn.c_str();
     return RET_INPUT_PARAM_INVALID;
   }
@@ -130,7 +124,6 @@ int Flags::Init(int argc, const char **argv) {
     return RET_INPUT_PARAM_INVALID;
   }
 
-
   if (this->trainModelIn == "true") {
     this->trainModel = true;
   } else if (this->trainModelIn == "false") {
diff --git a/mindspore/lite/tools/converter/converter_flags.h b/mindspore/lite/tools/converter/converter_flags.h
index 7e1b822466..6a3bd36bfa 100644
--- a/mindspore/lite/tools/converter/converter_flags.h
+++ b/mindspore/lite/tools/converter/converter_flags.h
@@ -56,10 +56,8 @@ class Flags : public virtual mindspore::lite::FlagParser {
   std::string quantTypeIn;
   QuantType quantType;
   std::string inferenceTypeIn;
-  TypeId inferenceType = TypeId::kNumberTypeFloat;
   // used for parse aware trainning
-  std::string inputInferenceTypeIn;
-  TypeId inputInferenceType = TypeId::kNumberTypeFloat;
+  TypeId inferenceType = TypeId::kNumberTypeFloat;
   std::string stdDev;
   std::string mean;
   // used for post-trainning-weight
diff --git a/mindspore/lite/tools/converter/graphdef_transform.cc b/mindspore/lite/tools/converter/graphdef_transform.cc
index 82188fff45..920947d7ac 100644
--- a/mindspore/lite/tools/converter/graphdef_transform.cc
+++ b/mindspore/lite/tools/converter/graphdef_transform.cc
@@ -51,7 +51,7 @@ void GraphDefTransform::CreateQuantizer(const converter::Flags *flags) {
     case QuantType::QuantType_AwareTraining: {
       MS_LOG(INFO) << "create AwareTrainingQuantizer!";
       fbQuantizer =
-        std::make_unique<quant::AwareQuantizer>(graphDefT, flags->inputInferenceTypeIn, flags->stdDev, flags->mean);
+        std::make_unique<quant::AwareQuantizer>(graphDefT, flags->inferenceType, flags->stdDev, flags->mean);
       break;
     }
     default:
@@ -194,11 +194,7 @@ int GraphDefTransform::Transform(const converter::Flags &ctx) {
   if (ctx.quantType == QuantType_AwareTraining) {
     Optimizer quantNodeOptimizer;
     auto dTypeTransPass = new (std::nothrow) DTypeTransPass();
-    if (dTypeTransPass == nullptr) {
-      MS_LOG(ERROR) << "new dTypeTransPass failed";
-      return RET_MEMORY_FAILED;
-    }
-    dTypeTransPass->SetInputDataDType(ctx.inputInferenceType);
+    dTypeTransPass->SetInputDataDType(ctx.inferenceType);
     dTypeTransPass->SetOutputDataDType(ctx.inferenceType);
     quantNodeOptimizer.AddPass(dTypeTransPass);
     quantNodeOptimizer.AddPass(new (std::nothrow) QuantCastFusionPass());
diff --git a/mindspore/lite/tools/converter/quantizer/aware_quantizer.cc b/mindspore/lite/tools/converter/quantizer/aware_quantizer.cc
index 8e64886cb8..21f16e4ba8 100644
--- a/mindspore/lite/tools/converter/quantizer/aware_quantizer.cc
+++ b/mindspore/lite/tools/converter/quantizer/aware_quantizer.cc
@@ -71,7 +71,7 @@ STATUS InputArray::SetInputArrayQP(schema::MetaGraphT *graph, size_t inputTensor
   return RET_OK;
 }
 
-AwareQuantizer::AwareQuantizer(schema::MetaGraphT *graph, const string &inputInferType, const string &stdValues,
+AwareQuantizer::AwareQuantizer(schema::MetaGraphT *graph, const TypeId &inferType, const string &stdValues,
                                const string &meanValues)
     : FbQuantizer(graph) {
   MS_ASSERT(graph != nullptr);
@@ -80,7 +80,7 @@ AwareQuantizer::AwareQuantizer(schema::MetaGraphT *graph, const string &inputInf
   sz = 0;
   const float mean = std::stof(meanValues, &sz);
   std::unique_ptr<InputArray> inArr = nullptr;
-  if (inputInferType == "FLOAT") {
+  if (inferType == kNumberTypeFloat) {
     inArr.reset(new (std::nothrow) InputArray(mean, stdValue));
   } else {
     inArr.reset(new (std::nothrow) InputArray(mean, stdValue, TypeId::kNumberTypeInt8));
diff --git a/mindspore/lite/tools/converter/quantizer/aware_quantizer.h b/mindspore/lite/tools/converter/quantizer/aware_quantizer.h
index 40b92f6ead..f7038b1126 100644
--- a/mindspore/lite/tools/converter/quantizer/aware_quantizer.h
+++ b/mindspore/lite/tools/converter/quantizer/aware_quantizer.h
@@ -48,7 +48,7 @@ struct InputArray {
 
 class AwareQuantizer : public FbQuantizer {
  public:
-  AwareQuantizer(schema::MetaGraphT *graph, const std::string &inputInferType, const std::string &stdValues,
+  AwareQuantizer(schema::MetaGraphT *graph, const TypeId &inferType, const std::string &stdValues,
                  const std::string &meanValues);
 
   ~AwareQuantizer() { delete (mInputArray); }
diff --git a/mindspore/lite/tools/converter/quantizer/calc_quant_param.cc b/mindspore/lite/tools/converter/quantizer/calc_quant_param.cc
index d04a7fb2b7..1c85cc5788 100644
--- a/mindspore/lite/tools/converter/quantizer/calc_quant_param.cc
+++ b/mindspore/lite/tools/converter/quantizer/calc_quant_param.cc
@@ -116,11 +116,11 @@ int CommonCalcer::Calc(MetaGraphT *subGraph, const CNodeT &node) {
     return status;
   }
   if (inputParamDone != node.inputIndex.size()) {
-    MS_LOG(ERROR) << "Can not determine inputTensor quantParam, node " << node.name;
+    MS_LOG(WARNING) << "Can not determine inputTensor quantParam, node " << node.name;
     return RET_ERROR;
   }
   if (outputParamDone != node.outputIndex.size()) {
-    MS_LOG(ERROR) << "Can not determine outputTensor quantParam, node " << node.name;
+    MS_LOG(WARNING) << "Can not determine outputTensor quantParam, node " << node.name;
     return RET_ERROR;
   }
   return RET_OK;
@@ -138,7 +138,7 @@ int LinearCalcer::Calc(MetaGraphT *graph, const CNodeT &node) {
     MS_ASSERT(outTensor != nullptr);
     auto outputQuantParam = GetTensorQuantParam(outTensor);
     MS_ASSERT(outputQuantParam != nullptr);
-    if (!outputQuantParam->inited) {
+    if (outputQuantParam == nullptr || !outputQuantParam->inited) {
       MS_LOG(WARNING) << "Can not determine inputTensor quantParam from outputTensor for node " << node.name;
       return RET_ERROR;
     }
@@ -204,8 +204,7 @@ class CalcConcat : public QuantParamCalcer {
         auto &inTensor = graph->allTensors.at(i);
         MS_ASSERT(inTensor != nullptr);
         auto inQuantParam = GetTensorQuantParam(inTensor);
-        MS_ASSERT(inQuantParam != nullptr);
-        if (!inQuantParam->inited) {
+        if (inQuantParam == nullptr || !inQuantParam->inited) {
           return RET_ERROR;
         }
         if (numBits == -1) {