diff --git a/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc b/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc
index 557d4c1012..5acf6f9f28 100644
--- a/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc
+++ b/mindspore/lite/tools/converter/quantizer/post_training_quantizer.cc
@@ -289,24 +289,22 @@ std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *Calibrator::GetInp
   return &this->input_diverg_info_;
 }
 
-std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *Calibrator::GetOutputDivergInfo() {
-  return &this->output_diverg_info_;
+std::unordered_map<std::string, std::vector<std::unique_ptr<DivergInfo>>> *Calibrator::GetOutputDivergInfo() {
+  return &this->outputs_diverg_info_;
 }
 
-STATUS Calibrator::RecordMaxValue(const std::string &op_name, const vector<float> &data,
-                                  std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *diverg_info) {
-  auto got = (*diverg_info).find(op_name);
-  if (got != (*diverg_info).end()) {
-    ((*got).second)->RecordMaxValue(data);
-    ((*got).second)->RecordMaxValueArray(data);
-  }
+STATUS Calibrator::RecordMaxValue(const vector<float> &data, const std::unique_ptr<DivergInfo> &diverg_info) {
+  diverg_info->RecordMaxValue(data);
+  diverg_info->RecordMaxValueArray(data);
   return RET_OK;
 }
 
 STATUS Calibrator::ComputeThreshold() {
-  for (auto iter = this->output_diverg_info_.begin(); iter != this->output_diverg_info_.end(); iter++) {
-    DivergInfo *info = iter->second.get();
-    info->ComputeThreshold();
+  for (auto &kv : this->outputs_diverg_info_) {
+    auto &outputs_diverg_info = kv.second;
+    for (auto &diverg_info : outputs_diverg_info) {
+      diverg_info->ComputeThreshold();
+    }
   }
   // node A's input may be node B's output, no need to re-compute the node A's input quant param which is the same as
   for (auto iter = this->input_diverg_info_.begin(); iter != this->input_diverg_info_.end(); iter++) {
@@ -317,14 +315,21 @@ STATUS Calibrator::ComputeThreshold() {
     auto input = cnode->input(1);
     if (input->isa<mindspore::CNode>()) {
       auto input_cnode = std::dynamic_pointer_cast<mindspore::CNode>(input);
-      for (const auto &output_diverg_info : output_diverg_info_) {
-        auto output_diverg_cnode = output_diverg_info.second->cnode;
-        if (output_diverg_cnode == input_cnode) {
-          *info = *(output_diverg_info.second);
-          info->cnode = cnode;
-          already_computed = true;
+      for (const auto &outputs_diverg_info : outputs_diverg_info_) {
+        if (already_computed) {
           break;
         }
+        for (const auto &output_diverg_info : outputs_diverg_info.second) {
+          auto output_diverg_cnode = output_diverg_info->cnode;
+          if (output_diverg_cnode == input_cnode) {
+            if (NodePrimitiveType(input_cnode) != schema::PrimitiveType_TupleGetItem) {
+              *info = *output_diverg_info;
+              info->cnode = cnode;
+              already_computed = true;
+              break;
+            }
+          }
+        }
       }
     }
     if (!already_computed) {
@@ -334,6 +339,16 @@ STATUS Calibrator::ComputeThreshold() {
   return RET_OK;
 }
 
+STATUS Calibrator::UpdateOutputDivergInverval(
+  std::unordered_map<std::string, std::vector<std::unique_ptr<DivergInfo>>> *diverg_info) {
+  for (auto &kv : *diverg_info) {
+    for (auto &info : kv.second) {
+      info->UpdateInterval();
+    }
+  }
+  return RET_OK;
+}
+
 STATUS Calibrator::UpdateDivergInverval(std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *diverg_info) {
   for (auto iter = (*diverg_info).begin(); iter != (*diverg_info).end(); iter++) {
     DivergInfo *info = iter->second.get();
@@ -342,12 +357,8 @@ STATUS Calibrator::UpdateDivergInverval(std::unordered_map<std::string, std::uni
   return RET_OK;
 }
 
-STATUS Calibrator::UpdateDataFrequency(const std::string &op_name, const vector<float> &data,
-                                       std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *diverg_info) {
-  auto got = (*diverg_info).find(op_name);
-  if (got != (*diverg_info).end()) {
-    ((*got).second)->UpdateHistogram(data);
-  }
+STATUS Calibrator::UpdateDataFrequency(const vector<float> &data, const std::unique_ptr<DivergInfo> &diverg_info) {
+  diverg_info->UpdateHistogram(data);
   return RET_OK;
 }
 
@@ -362,8 +373,8 @@ STATUS Calibrator::AddQuantizedOp(CNodePtr node) {
   std::unique_ptr<DivergInfo> output_diverg = std::unique_ptr<DivergInfo>(
     new DivergInfo(node, kDefaultBinNumber, bit_num_, quant_max_, quant_min_, config_param_.method_x));
 
-  input_diverg_info_.insert(std::make_pair(string(node_name), std::move(input_diverg)));
-  output_diverg_info_.insert(std::make_pair(string(node_name), std::move(output_diverg)));
+  input_diverg_info_.insert(std::make_pair(node_name, std::move(input_diverg)));
+  outputs_diverg_info_[node_name].push_back(std::move(output_diverg));
   return RET_OK;
 }
 
@@ -377,7 +388,6 @@ void Calibrator::AddImage(const string &file, size_t index) {
     return stat(file.c_str(), &buf) == 0;
   };
   if (exist(file)) {
-    MS_LOG(INFO) << "load image: " << file;
     this->images_[index].push_back(file);
   } else {
     MS_LOG(WARNING) << "invalid image file path: " << file;
@@ -411,6 +421,7 @@ STATUS Calibrator::GenerateInputData(int input_index, int image_index, mindspore
 STATUS Calibrator::CollectImages() {
   this->images_.resize(config_param_.image_paths.size());
   auto input_i = 0;
+  bool multi_input = config_param_.image_paths.size() > 1;
   for (const auto &image_path : config_param_.image_paths) {
     DIR *root = opendir(image_path.c_str());
     if (root == nullptr) {
@@ -420,13 +431,14 @@ STATUS Calibrator::CollectImages() {
     struct dirent *image_dir = readdir(root);
     size_t count = 0;
     while (image_dir != nullptr) {
-      if (image_dir->d_name[0] != '.') {
-        const std::string file_name = image_path + "/" + image_dir->d_name;
-        if (config_param_.batch_count == 0) {
-          this->AddImage(file_name, input_i);
+      string file_name(image_dir->d_name);
+      if (file_name != "." && file_name != "..") {
+        const std::string file_path = image_path + "/" + file_name;
+        if (multi_input || config_param_.batch_count == 0) {
+          this->AddImage(file_path, input_i);
           count++;
         } else if (count < config_param_.batch_count) {
-          this->AddImage(file_name, input_i);
+          this->AddImage(file_path, input_i);
           count++;
         } else {
           break;
@@ -434,6 +446,10 @@ STATUS Calibrator::CollectImages() {
       }
       image_dir = readdir(root);
     }
+    std::sort(images_[input_i].begin(), images_[input_i].end());
+    if (config_param_.batch_count != 0 && config_param_.batch_count < images_[input_i].size()) {
+      images_[input_i].resize(config_param_.batch_count);
+    }
     closedir(root);
     input_i++;
   }
@@ -487,6 +503,7 @@ STATUS Calibrator::ReadConfig() {
         config_param_.image_paths.push_back(image_path);
         raw_image_paths = raw_image_paths.substr(ind + 1);
         Trim(&raw_image_paths);
+        ind = raw_image_paths.find(',');
       }
       config_param_.image_paths.push_back(raw_image_paths);
     } else if (key == "batch_count") {
@@ -550,7 +567,7 @@ PostTrainingQuantizer::PostTrainingQuantizer(FuncGraphPtr graph, string path, in
 STATUS PostTrainingQuantizer::DoQuantInput(double scale, int zeropoint, struct MaxMin *max_min,
                                            std::shared_ptr<PrimitiveC> lite_primitive) {
   if (!lite_primitive->GetInputQuantParams().empty()) {
-    return RET_OK;
+    MS_LOG(DEBUG) << "input quant params not empty";  // multi-input op: like concat
   }
   schema::QuantParamT quant_param;
   quant_param.scale = scale;
@@ -567,7 +584,7 @@ STATUS PostTrainingQuantizer::DoQuantInput(double scale, int zeropoint, struct M
 STATUS PostTrainingQuantizer::DoQuantOutput(double scale, int zeropoint, struct MaxMin *max_min,
                                             std::shared_ptr<PrimitiveC> lite_primitive) {
   if (!lite_primitive->GetOutputQuantParams().empty()) {
-    return RET_OK;
+    MS_LOG(DEBUG) << "output quant params not empty";  // multi-output op: like split
   }
   schema::QuantParamT quant_param;
   quant_param.scale = scale;
@@ -737,9 +754,7 @@ STATUS PostTrainingQuantizer::QuantNode() {
   auto input_scale = this->calibrator_->GetScale(this->calibrator_->GetInputDivergInfo());
   auto input_zero_point = this->calibrator_->GetZeropoint(this->calibrator_->GetInputDivergInfo());
 
-  auto output_min_max = this->calibrator_->GetMinMax(this->calibrator_->GetOutputDivergInfo());
-  auto output_scale = this->calibrator_->GetScale(this->calibrator_->GetOutputDivergInfo());
-  auto output_zeropoint = this->calibrator_->GetZeropoint(this->calibrator_->GetOutputDivergInfo());
+  auto outputs_diverg_info = calibrator_->GetOutputDivergInfo();
 
   auto cnodes = funcGraph->GetOrderedCnodes();
   for (auto &cnode : cnodes) {
@@ -760,8 +775,35 @@ STATUS PostTrainingQuantizer::QuantNode() {
 
     auto op_type = (schema::PrimitiveType)primitive_c->Type();
     MS_LOG(DEBUG) << "OpName: " << op_name;
-    if (op_type != PrimitiveType_Conv2D && op_type != PrimitiveType_DepthwiseConv2D &&
-        op_type != PrimitiveType_FullConnection) {
+    if (op_type == PrimitiveType_TupleGetItem) {
+      auto index_node = cnode->input(2);
+      auto index_value_node = std::dynamic_pointer_cast<mindspore::ValueNode>(index_node);
+      if (index_value_node == nullptr) {
+        MS_LOG(WARNING) << "index value node is null";
+        continue;
+      }
+      size_t index = GetValue<int>(index_value_node->value());
+
+      auto input_node = cnode->input(1);
+      auto input_cnode = std::dynamic_pointer_cast<mindspore::CNode>(input_node);
+      auto input_cnode_primitive_c = GetValueNode<std::shared_ptr<PrimitiveC>>(input_cnode->input(0));
+      if (input_cnode_primitive_c == nullptr) {
+        MS_LOG(WARNING) << "input_cnode_primitive_c is null";
+        continue;
+      }
+      if (input_cnode_primitive_c->GetOutputQuantParams().size() > index) {
+        auto quant_param = input_cnode_primitive_c->GetOutputQuantParams()[index];
+        primitive_c->AddInputQuantParam(quant_param);
+        primitive_c->AddOutputQuantParam(quant_param);
+      } else {
+        MS_LOG(WARNING) << "this TupleGetItem node's input node: " << input_cnode->fullname_with_scope()
+                        << "'s output quant_params size: " << input_cnode_primitive_c->GetOutputQuantParams().size()
+                        << ", but index: " << index;
+      }
+      primitive_c->SetQuantType(schema::QuantType_PostTraining);
+      continue;
+    } else if (op_type != PrimitiveType_Conv2D && op_type != PrimitiveType_DepthwiseConv2D &&
+               op_type != PrimitiveType_FullConnection) {
       for (size_t i = 1; i < cnode->inputs().size(); i++) {
         auto input_node = cnode->input(i);
         if (!input_node->isa<mindspore::CNode>()) {
@@ -821,18 +863,25 @@ STATUS PostTrainingQuantizer::QuantNode() {
         DoBiasQuant(bias, primitive_c);
       }
     }
-    // do output quant
-    double OutputScale = output_scale[cnode];
-    int32_t OutputZeropoint = output_zeropoint[cnode];
-    DoQuantOutput(OutputScale, OutputZeropoint, &output_min_max[cnode], primitive_c);
-    primitive_c->SetQuantType(schema::QuantType_PostTraining);
+    // do output quant, there may multi-output
+    auto &infos = (*outputs_diverg_info)[op_name];
+    for (auto &info : infos) {
+      auto output_scale = info->GetScale().second;
+      auto output_zp = info->GetZeropoint().second;
+      struct MaxMin output_min_max {};
+      output_min_max.max = info->max;
+      output_min_max.min = info->min;
+
+      DoQuantOutput(output_scale, output_zp, &output_min_max, primitive_c);
+      primitive_c->SetQuantType(schema::QuantType_PostTraining);
+    }
   }
   return RET_OK;
 }
 
 STATUS PostTrainingQuantizer::UpdateDivergInverval() {
   this->calibrator_->UpdateDivergInverval(this->calibrator_->GetInputDivergInfo());
-  this->calibrator_->UpdateDivergInverval(this->calibrator_->GetOutputDivergInfo());
+  this->calibrator_->UpdateOutputDivergInverval(this->calibrator_->GetOutputDivergInfo());
   return RET_OK;
 }
 
@@ -869,7 +918,6 @@ STATUS PostTrainingQuantizer::PreProcess() {
   for (auto &cnode : cnodes) {
     AnfNodePtr anf = std::dynamic_pointer_cast<AnfNode>(cnode);
     if (strategy.CanOpPostQuantized(anf)) {
-      MS_LOG(INFO) << "node: " << cnode->fullname_with_scope() << " will be quantized";
       calibrator_->AddQuantizedOp(cnode);
     }
   }
@@ -917,6 +965,10 @@ STATUS PostTrainingQuantizer::DoInference() {
     KernelCallBack beforeCallBack = [&](const std::vector<mindspore::tensor::MSTensor *> &beforeInputs,
                                         const std::vector<mindspore::tensor::MSTensor *> &beforeOutputs,
                                         const CallBackParam &callParam) -> bool {
+      auto diverg_info_map = calibrator_->GetInputDivergInfo();
+      if (diverg_info_map->find(callParam.node_name) == diverg_info_map->end()) {
+        return true;
+      }
       if (PostTrainingQuantizer::CheckFp32TensorVec(callParam.node_name, beforeInputs) != RET_OK) {
         return false;
       }
@@ -924,21 +976,35 @@ STATUS PostTrainingQuantizer::DoInference() {
       const float *tData = static_cast<const float *>(tensor->MutableData());
       size_t elem_count = tensor->ElementsNum();
       vector<float> data(tData, tData + elem_count);
-      this->calibrator_->RecordMaxValue(callParam.node_name, data, this->calibrator_->GetInputDivergInfo());
+      this->calibrator_->RecordMaxValue(data, (*diverg_info_map)[callParam.node_name]);
       return true;
     };
     // func
     KernelCallBack afterCallBack = [&](const std::vector<mindspore::tensor::MSTensor *> &afterInputs,
                                        const std::vector<mindspore::tensor::MSTensor *> &afterOutputs,
                                        const CallBackParam &callParam) -> bool {
+      auto diverg_info_map = calibrator_->GetOutputDivergInfo();
+      if (diverg_info_map->find(callParam.node_name) == diverg_info_map->end()) {
+        return true;
+      }
       if (PostTrainingQuantizer::CheckFp32TensorVec(callParam.node_name, afterOutputs) != RET_OK) {
         return false;
       }
-      auto tensor = afterOutputs[0];
-      const float *tensor_data = static_cast<const float *>(tensor->MutableData());
-      size_t elem_count = tensor->ElementsNum();
-      vector<float> data(tensor_data, tensor_data + elem_count);
-      this->calibrator_->RecordMaxValue(callParam.node_name, data, this->calibrator_->GetOutputDivergInfo());
+      if (afterOutputs.size() > 1) {
+        auto output_diverg = std::make_unique<DivergInfo>();
+        *output_diverg = *((*diverg_info_map)[callParam.node_name][0]);
+        for (size_t i = 1; i < afterOutputs.size(); i++) {
+          (*diverg_info_map)[callParam.node_name].push_back(std::move(output_diverg));
+        }
+      }
+      size_t output_i = 0;
+      for (const auto &tensor : afterOutputs) {
+        const float *tensor_data = static_cast<const float *>(tensor->MutableData());
+        size_t elem_count = tensor->ElementsNum();
+        vector<float> data(tensor_data, tensor_data + elem_count);
+        this->calibrator_->RecordMaxValue(data, (*diverg_info_map)[callParam.node_name][output_i]);
+        output_i++;
+      }
       return true;
     };
     auto status = fp32_session_->RunGraph(beforeCallBack, afterCallBack);
@@ -1317,6 +1383,10 @@ STATUS PostTrainingQuantizer::CollectDataFrequency() {
     KernelCallBack beforeCallBack = [&](const std::vector<mindspore::tensor::MSTensor *> &beforeInputs,
                                         const std::vector<mindspore::tensor::MSTensor *> &beforeOutputs,
                                         const CallBackParam &callParam) {
+      auto diverg_info_map = calibrator_->GetInputDivergInfo();
+      if (diverg_info_map->find(callParam.node_name) == diverg_info_map->end()) {
+        return true;
+      }
       if (PostTrainingQuantizer::CheckFp32TensorVec(callParam.node_name, beforeInputs) != RET_OK) {
         return false;
       }
@@ -1324,21 +1394,28 @@ STATUS PostTrainingQuantizer::CollectDataFrequency() {
       const float *tensor_data = static_cast<const float *>(tensor->MutableData());
       size_t shape_size = tensor->ElementsNum();
       vector<float> data(tensor_data, tensor_data + shape_size);
-      this->calibrator_->UpdateDataFrequency(callParam.node_name, data, this->calibrator_->GetInputDivergInfo());
+      this->calibrator_->UpdateDataFrequency(data, (*diverg_info_map)[callParam.node_name]);
       return true;
     };
 
     KernelCallBack afterCallBack = [&](const std::vector<mindspore::tensor::MSTensor *> &after_inputs,
                                        const std::vector<mindspore::tensor::MSTensor *> &after_outputs,
                                        const CallBackParam &call_param) {
+      auto diverg_info_map = calibrator_->GetOutputDivergInfo();
+      if (diverg_info_map->find(call_param.node_name) == diverg_info_map->end()) {
+        return true;
+      }
       if (PostTrainingQuantizer::CheckFp32TensorVec(call_param.node_name, after_outputs) != RET_OK) {
         return false;
       }
-      auto tensor = after_outputs[0];
-      const float *tenosr_data = static_cast<const float *>(tensor->MutableData());
-      size_t shape_size = tensor->ElementsNum();
-      vector<float> data(tenosr_data, tenosr_data + shape_size);
-      this->calibrator_->UpdateDataFrequency(call_param.node_name, data, this->calibrator_->GetOutputDivergInfo());
+      int output_i = 0;
+      for (const auto &tensor : after_outputs) {
+        const float *tensor_data = static_cast<const float *>(tensor->MutableData());
+        size_t elem_count = tensor->ElementsNum();
+        vector<float> data(tensor_data, tensor_data + elem_count);
+        this->calibrator_->UpdateDataFrequency(data, (*diverg_info_map)[call_param.node_name][output_i]);
+        output_i++;
+      }
       return true;
     };
     auto status = fp32_session_->RunGraph(beforeCallBack, afterCallBack);
diff --git a/mindspore/lite/tools/converter/quantizer/post_training_quantizer.h b/mindspore/lite/tools/converter/quantizer/post_training_quantizer.h
index 6ef6a98d0d..23c4df7696 100644
--- a/mindspore/lite/tools/converter/quantizer/post_training_quantizer.h
+++ b/mindspore/lite/tools/converter/quantizer/post_training_quantizer.h
@@ -132,7 +132,7 @@ struct DivergInfo {
   std::vector<float> max_datas;
   std::pair<float, float> percent_result{0.0, 0.0};
   float scale_tmp = 0;
-
+  DivergInfo() = default;
   DivergInfo(CNodePtr cnode, int bins, size_t bits, int quant_max, int quant_min, const std::string &method_x) {
     this->method_x = method_x;
     this->cnode = cnode;
@@ -187,13 +187,14 @@ class Calibrator {
 
   STATUS AddQuantizedOp(CNodePtr node);
 
-  STATUS RecordMaxValue(const std::string &op_name, const std::vector<float> &data,
-                        std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *diverg_info);
+  STATUS RecordMaxValue(const std::vector<float> &data, const std::unique_ptr<DivergInfo> &diverg_info);
 
   STATUS UpdateDivergInverval(std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *diverg_info);
 
-  STATUS UpdateDataFrequency(const std::string &op_name, const std::vector<float> &data,
-                             std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *diverg_info);
+  STATUS UpdateOutputDivergInverval(
+    std::unordered_map<std::string, std::vector<std::unique_ptr<DivergInfo>>> *diverg_info);
+
+  STATUS UpdateDataFrequency(const std::vector<float> &data, const std::unique_ptr<DivergInfo> &diverg_info);
   void Dump();
 
   STATUS ComputeThreshold();
@@ -208,7 +209,7 @@ class Calibrator {
 
   std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *GetInputDivergInfo();
 
-  std::unordered_map<std::string, std::unique_ptr<DivergInfo>> *GetOutputDivergInfo();
+  std::unordered_map<std::string, std::vector<std::unique_ptr<DivergInfo>>> *GetOutputDivergInfo();
 
  private:
   std::vector<std::vector<std::string>> images_;  // multi_input, echo input has multi input data
@@ -219,7 +220,7 @@ class Calibrator {
 
   std::unordered_map<std::string, std::unique_ptr<DivergInfo>> input_diverg_info_;
 
-  std::unordered_map<std::string, std::unique_ptr<DivergInfo>> output_diverg_info_;
+  std::unordered_map<std::string, std::vector<std::unique_ptr<DivergInfo>>> outputs_diverg_info_;
 
   size_t bit_num_;
   int quant_max_;
diff --git a/mindspore/lite/tools/converter/quantizer/quant_cast.cc b/mindspore/lite/tools/converter/quantizer/quant_cast.cc
index 8752b9e50f..d6775146c0 100644
--- a/mindspore/lite/tools/converter/quantizer/quant_cast.cc
+++ b/mindspore/lite/tools/converter/quantizer/quant_cast.cc
@@ -85,7 +85,7 @@ STATUS QuantCast::Run(FuncGraphPtr graph) {
         if (curnode_quant_type == schema::QuantType_PostTraining &&
             input_cnode_quant_type == schema::QuantType_QUANT_NONE) {
           value_node =
-            NewQuantCastValueNode(kNumberTypeFloat32, kNumberTypeInt8, primitive_c->GetInputQuantParams().front());
+            NewQuantCastValueNode(kNumberTypeFloat32, kNumberTypeInt8, primitive_c->GetInputQuantParams()[i - 1]);
         } else if (curnode_quant_type == schema::QuantType_QUANT_NONE &&
                    input_cnode_quant_type == schema::QuantType_PostTraining) {
           value_node = NewQuantCastValueNode(kNumberTypeInt8, kNumberTypeFloat32,
diff --git a/mindspore/lite/tools/converter/quantizer/quantize_util.cc b/mindspore/lite/tools/converter/quantizer/quantize_util.cc
index 24993e95c5..8c622c3e17 100644
--- a/mindspore/lite/tools/converter/quantizer/quantize_util.cc
+++ b/mindspore/lite/tools/converter/quantizer/quantize_util.cc
@@ -90,22 +90,32 @@ bool QuantStrategy::CanOpPostQuantized(AnfNodePtr &node) const {
     return false;
   }
   auto cnode = std::dynamic_pointer_cast<CNode>(node);
-
-  auto primitive_c = GetValueNode<std::shared_ptr<PrimitiveC>>(cnode->input(0));
-  if (primitive_c == nullptr) {
-    MS_LOG(WARNING) << "primitive_c is nullptr: " << cnode->fullname_with_scope();
-    return false;
-  }
-
-  auto type = (schema::PrimitiveType)primitive_c->Type();
-  MS_LOG(INFO) << "Primitive type: " << type;
-  static const std::vector<schema::PrimitiveType> uint8OpList = {
-    schema::PrimitiveType_Nchw2Nhwc, schema::PrimitiveType_Nhwc2Nchw, schema::PrimitiveType_Conv2D,
-    schema::PrimitiveType_DepthwiseConv2D, schema::PrimitiveType_Add, schema::PrimitiveType_Pooling,
-    /*schema::PrimitiveType_Concat, schema::PrimitiveType_SoftMax,*/
-    schema::PrimitiveType_Reshape, schema::PrimitiveType_FullConnection, schema::PrimitiveType_MatMul,
-    schema::PrimitiveType_Activation};
-  return IsContain(uint8OpList, type);
+  auto type = NodePrimitiveType(cnode);
+  static const std::vector<schema::PrimitiveType> int8OpList = {
+    schema::PrimitiveType_Nchw2Nhwc,
+    schema::PrimitiveType_Nhwc2Nchw,
+    schema::PrimitiveType_Conv2D,
+    schema::PrimitiveType_DepthwiseConv2D,
+    schema::PrimitiveType_Add,
+    schema::PrimitiveType_Pooling,
+    schema::PrimitiveType_Concat,
+    schema::PrimitiveType_Split,
+    schema::PrimitiveType_TupleGetItem,
+    schema::PrimitiveType_Reshape,
+    schema::PrimitiveType_FullConnection,
+    schema::PrimitiveType_MatMul,
+    schema::PrimitiveType_Crop,
+    schema::PrimitiveType_DeDepthwiseConv2D,
+    schema::PrimitiveType_DeConv2D,
+    schema::PrimitiveType_Activation,
+    schema::PrimitiveType_TupleGetItem,
+  };
+  bool contain = IsContain(int8OpList, type);
+  if (!contain) {
+    MS_LOG(INFO) << "not quant, " << cnode->fullname_with_scope()
+                 << " of type: " << schema::EnumNamePrimitiveType(type);
+  }
+  return contain;
 }
 
 bool QuantStrategy::CanMulOpQuantized(const CNodePtr &node) const {
@@ -431,6 +441,19 @@ std::vector<int8_t> KMeans(float *data, size_t elem_count, size_t k, size_t epoc
   quantParam->clusters = clusters;
   return clusters_index;
 }
+
+schema::PrimitiveType NodePrimitiveType(CNodePtr cnode) {
+  if (cnode == nullptr) {
+    MS_LOG(ERROR) << "cnode is null";
+    return schema::PrimitiveType_NONE;
+  }
+  auto primitive_c = GetValueNode<std::shared_ptr<PrimitiveC>>(cnode->input(0));
+  if (primitive_c == nullptr) {
+    MS_LOG(ERROR) << "primitive_c is null";
+    return schema::PrimitiveType_NONE;
+  }
+  return (schema::PrimitiveType)primitive_c->Type();
+}
 }  // namespace quant
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/quantizer/quantize_util.h b/mindspore/lite/tools/converter/quantizer/quantize_util.h
index c751199cec..2492c7172f 100644
--- a/mindspore/lite/tools/converter/quantizer/quantize_util.h
+++ b/mindspore/lite/tools/converter/quantizer/quantize_util.h
@@ -287,6 +287,8 @@ STATUS QuantFilter(ParamValueLitePtr weight, std::shared_ptr<PrimitiveC> primiti
 }
 
 STATUS PostBitPack(float *weights, size_t shapeSize, size_t bitNum = UINT8_QUANTIZATION);
+
+schema::PrimitiveType NodePrimitiveType(CNodePtr cnode);
 }  // namespace quant
 }  // namespace lite
 }  // namespace mindspore