diff --git a/mindspore/lite/tools/converter/parser/onnx/onnx_given_tensor_fill_parser.cc b/mindspore/lite/tools/converter/parser/onnx/onnx_given_tensor_fill_parser.cc
index 0617397876..ec51aeef93 100644
--- a/mindspore/lite/tools/converter/parser/onnx/onnx_given_tensor_fill_parser.cc
+++ b/mindspore/lite/tools/converter/parser/onnx/onnx_given_tensor_fill_parser.cc
@@ -45,6 +45,7 @@ STATUS OnnxGivenTensorFillParser::ParseInt8GivenIntTensorFill(const onnx::NodePr
   }
   if (iter->ints().data() == nullptr) {
     MS_LOG(ERROR) << "origin ints data in onnx is nullptr";
+    delete[] param_data;
     return RET_NULL_PTR;
   }
   if (memcpy_s(param_data, data_size, iter->ints().data(), data_size) != EOK) {
diff --git a/mindspore/lite/tools/converter/parser/tf/tf_argmax_parser.cc b/mindspore/lite/tools/converter/parser/tf/tf_argmax_parser.cc
new file mode 100644
index 0000000000..5c9480c2f6
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tf/tf_argmax_parser.cc
@@ -0,0 +1,68 @@
+/**
+ * Copyright 2021 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/tf/tf_argmax_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFArgMaxParser::Parse(const tensorflow::NodeDef &tf_op,
+                             const std::map<string, const tensorflow::NodeDef *> &tf_node_map, PrimitiveC **primitiveC,
+                             std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(DEBUG) << "TF ArgMaxParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::ArgMaxT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+  tensorflow::AttrValue attr_value;
+  auto axis_node = tf_node_map.at(tf_op.input(tf_op.input_size() - 1));
+  if (!TensorFlowUtils::FindAttrValue(*axis_node, "value", &attr_value)) {
+    MS_LOG(ERROR) << "The attr value should be specified.";
+    return RET_ERROR;
+  }
+  auto &axis_tensor = attr_value.tensor();
+  attr->axis = axis_tensor.int_val(0);
+  attr->outMaxValue = false;
+  primitive->value.type = schema::PrimitiveType_ArgMax;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    return status;
+  }
+  return RET_OK;
+}
+TFNodeRegistrar g_tfArgMaxParser("ArgMax", new TFArgMaxParser());
+}  // namespace lite
+}  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tf/tf_argmax_parser.h b/mindspore/lite/tools/converter/parser/tf/tf_argmax_parser.h
new file mode 100644
index 0000000000..a85e05f475
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tf/tf_argmax_parser.h
@@ -0,0 +1,36 @@
+/**
+ * Copyright 2021 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_TF_TF_ARGMAX_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_ARGMAX_PARSER_H_
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFArgMaxParser : public TFNodeParser {
+ public:
+  TFArgMaxParser() = default;
+  ~TFArgMaxParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_ARGMAX_PARSER_H_
diff --git a/mindspore/lite/tools/converter/parser/tf/tf_argmin_parser.cc b/mindspore/lite/tools/converter/parser/tf/tf_argmin_parser.cc
new file mode 100644
index 0000000000..31dea2fbc2
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tf/tf_argmin_parser.cc
@@ -0,0 +1,68 @@
+/**
+ * Copyright 2021 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/tf/tf_argmin_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFArgMinParser::Parse(const tensorflow::NodeDef &tf_op,
+                             const std::map<string, const tensorflow::NodeDef *> &tf_node_map, PrimitiveC **primitiveC,
+                             std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(DEBUG) << "TF ArgMinParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::ArgMinT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+  tensorflow::AttrValue attr_value;
+  auto axis_node = tf_node_map.at(tf_op.input(tf_op.input_size() - 1));
+  if (!TensorFlowUtils::FindAttrValue(*axis_node, "value", &attr_value)) {
+    MS_LOG(ERROR) << "The attr value should be specified.";
+    return RET_ERROR;
+  }
+  auto &axis_tensor = attr_value.tensor();
+  attr->axis = axis_tensor.int_val(0);
+  attr->outMaxValue = false;
+  primitive->value.type = schema::PrimitiveType_ArgMin;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+  *output_size = 1;
+  auto status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    return status;
+  }
+  return RET_OK;
+}
+TFNodeRegistrar g_tfArgMinParser("ArgMin", new TFArgMinParser());
+}  // namespace lite
+}  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tf/tf_argmin_parser.h b/mindspore/lite/tools/converter/parser/tf/tf_argmin_parser.h
new file mode 100644
index 0000000000..64f09ec74c
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tf/tf_argmin_parser.h
@@ -0,0 +1,36 @@
+/**
+ * Copyright 2021 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_TF_TF_ARGMIN_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_ARGMIN_PARSER_H_
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser.h"
+
+namespace mindspore {
+namespace lite {
+class TFArgMinParser : public TFNodeParser {
+ public:
+  TFArgMinParser() = default;
+  ~TFArgMinParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_ARGMIN_PARSER_H_
diff --git a/mindspore/lite/tools/converter/parser/tf/tf_conv_depthwise_parser.cc b/mindspore/lite/tools/converter/parser/tf/tf_conv_depthwise_parser.cc
new file mode 100644
index 0000000000..01fcf51e09
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tf/tf_conv_depthwise_parser.cc
@@ -0,0 +1,110 @@
+/**
+ * Copyright 2021 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/tf/tf_conv_depthwise_parser.h"
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_node_parser_registry.h"
+#include "tools/converter/parser/tf/tf_util.h"
+
+namespace mindspore {
+namespace lite {
+STATUS TFConvDepthwiseParser::Parse(const tensorflow::NodeDef &tf_op,
+                                    const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+                                    PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) {
+  MS_LOG(DEBUG) << "TF ConvDepthwiseParser";
+  if (primitiveC == nullptr || output_size == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_NULL_PTR;
+  }
+
+  auto primitive = std::make_unique<schema::PrimitiveT>();
+  if (primitive == nullptr) {
+    MS_LOG(ERROR) << "New PrimitiveT failed";
+    return RET_NULL_PTR;
+  }
+  auto attr = std::make_unique<schema::DepthwiseConv2DT>();
+  if (attr == nullptr) {
+    MS_LOG(ERROR) << "new attr failed";
+    return RET_NULL_PTR;
+  }
+
+  attr->format = TensorFlowUtils::ParseNodeFormat(tf_op);
+  if (attr->format == schema::Format_NCHW) {
+    MS_LOG(ERROR) << "TF Conv2D with data_format=NCHW is not supported now";
+    return RET_ERROR;
+  }
+
+  std::vector<int64_t> dilations(2);
+  auto status = ParseDilations(tf_op, attr->format, &dilations);
+  if (status != RET_OK) {
+    return status;
+  }
+  attr->dilateH = dilations[0];
+  attr->dilateW = dilations[1];
+
+  std::vector<int64_t> strides(2);
+  status = ParseStrides(tf_op, attr->format, &strides);
+  if (status != RET_OK) {
+    return status;
+  }
+  attr->strideH = strides[0];
+  attr->strideW = strides[1];
+
+  auto weight_node = GetConstInputNode(tf_node_map, tf_op.input(1));
+  if (weight_node != nullptr) {
+    std::vector<int64_t> kernels(4);
+    status = ParseKernels(*weight_node, attr->format, &kernels);
+    if (status != RET_OK) {
+      return status;
+    }
+    attr->kernelH = kernels[0];
+    attr->kernelW = kernels[1];
+    attr->channelIn = kernels[2];
+    attr->channelMultiplier = kernels[3];
+  } else {
+    attr->kernelH = -1;
+    attr->kernelW = -1;
+    attr->channelIn = -1;
+    attr->channelMultiplier = -1;
+    MS_LOG(WARNING) << "parsing of kernelH/W channelIn/Out is delayed";
+  }
+
+  status = ParsePadMode(tf_op, &attr->padMode);
+  if (status != RET_OK) {
+    return status;
+  }
+
+  primitive->value.type = schema::PrimitiveType_DepthwiseConv2D;
+  primitive->value.value = attr.release();
+  *primitiveC = PrimitiveC::Create(primitive.release());
+  if (*primitiveC == nullptr) {
+    MS_LOG(ERROR) << "primitiveC is nullptr";
+    return RET_ERROR;
+  }
+
+  *output_size = 1;
+  status = AddOpInput(tf_op, 0, inputs);
+  if (status != RET_OK) {
+    return status;
+  }
+  status = AddOpInput(tf_op, 1, inputs);  // weights
+  return status;
+}
+TFNodeRegistrar g_tfConvDepthwiseParser("DepthwiseConv2dNative", new TFConvDepthwiseParser());
+}  // namespace lite
+}  // namespace mindspore
diff --git a/mindspore/lite/tools/converter/parser/tf/tf_conv_depthwise_parser.h b/mindspore/lite/tools/converter/parser/tf/tf_conv_depthwise_parser.h
new file mode 100644
index 0000000000..d9fc3a428e
--- /dev/null
+++ b/mindspore/lite/tools/converter/parser/tf/tf_conv_depthwise_parser.h
@@ -0,0 +1,36 @@
+/**
+ * Copyright 2021 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_TF_TF_CONV_DEPTHWISE_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_CONV_DEPTHWISE_PARSER_H_
+
+#include <string>
+#include <memory>
+#include <map>
+#include <vector>
+#include "tools/converter/parser/tf/tf_conv_base_parser.h"
+namespace mindspore {
+namespace lite {
+class TFConvDepthwiseParser : public TFConvBaseParser {
+ public:
+  TFConvDepthwiseParser() = default;
+  ~TFConvDepthwiseParser() override = default;
+
+  STATUS Parse(const tensorflow::NodeDef &tf_op, const std::map<string, const tensorflow::NodeDef *> &tf_node_map,
+               PrimitiveC **primitiveC, std::vector<std::string> *inputs, int *output_size) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_TF_TF_CONV_DEPTHWISE_PARSER_H_
diff --git a/mindspore/lite/tools/optimizer/common/gllo_utils.cc b/mindspore/lite/tools/optimizer/common/gllo_utils.cc
index 6403dfa6cd..09d26c48c2 100644
--- a/mindspore/lite/tools/optimizer/common/gllo_utils.cc
+++ b/mindspore/lite/tools/optimizer/common/gllo_utils.cc
@@ -653,7 +653,7 @@ STATUS GetFilterDim(const std::vector<int32_t> &oriDims, kTransFilterType type,
     *filterW = oriDims.at(lite::HWCK_W);
     *filterC = oriDims.at(lite::HWCK_C);
     *filterK = oriDims.at(lite::HWCK_K);
-  } else if (type == kHWKC2KCHW || type == kHWKC2CKHW) {
+  } else if (type == kHWKC2KCHW || type == kHWKC2CKHW || type == kHWKC2KHWC) {
     *filterH = oriDims.at(lite::HWKC_H);
     *filterW = oriDims.at(lite::HWKC_W);
     *filterK = oriDims.at(lite::HWKC_K);
@@ -693,7 +693,8 @@ STATUS SetFilterDim(const ParamValueLitePtr &tensor, kTransFilterType type, int3
     tensor->set_tensor_shape({filterC, filterK, filterH, filterW});
   } else if (type == kKHWC2CHWK) {
     tensor->set_tensor_shape({filterC, filterH, filterW, filterK});
-  } else if (type == kKCHW2KHWC || type == kCKHW2KHWC || type == kCHWK2KHWC || type == kHWCK2KHWC) {
+  } else if (type == kKCHW2KHWC || type == kCKHW2KHWC || type == kCHWK2KHWC || type == kHWCK2KHWC ||
+             type == kHWKC2KHWC) {
     tensor->set_tensor_shape({filterK, filterH, filterW, filterC});
   } else {
     MS_LOG(ERROR) << "Unsupported transFilterType: " << type;
@@ -836,6 +837,7 @@ static STATUS TransFilterData(const ParamValueLitePtr &tensor, kTransFilterType
       }
     } break;
     case kHWKC2KCHW:
+    case kHWKC2KHWC:
     case kHWKC2CKHW: {
       for (int h = 0; h < filterH; ++h) {
         for (int w = 0; w < filterW; ++w) {
@@ -1009,6 +1011,20 @@ STATUS TransFilterFormat(const ParamValueLitePtr &tensor, schema::Format dst_for
             return RET_ERROR;
           }
           break;
+        case schema::Format::Format_HWKC:
+          if (data_type == kNumberTypeFloat32) {
+            status = TransFilterFormat<float>(tensor, kHWKC2KHWC);
+          } else if (data_type == kNumberTypeUInt8) {
+            status = TransFilterFormat<uint8_t>(tensor, kHWKC2KHWC);
+          } else if (data_type == kNumberTypeInt8) {
+            status = TransFilterFormat<int8_t>(tensor, kHWKC2KHWC);
+          } else if (data_type == kNumberTypeFloat16) {
+            status = TransFilterFormat<float16>(tensor, kHWKC2KHWC);
+          } else {
+            MS_LOG(ERROR) << "Unsupported data_type: " << data_type;
+            return RET_ERROR;
+          }
+          break;
         case schema::Format::Format_KHWC:
           return RET_OK;
         default:
diff --git a/mindspore/lite/tools/optimizer/common/gllo_utils.h b/mindspore/lite/tools/optimizer/common/gllo_utils.h
index 0dcf89b9ff..5ba4e6bf68 100644
--- a/mindspore/lite/tools/optimizer/common/gllo_utils.h
+++ b/mindspore/lite/tools/optimizer/common/gllo_utils.h
@@ -103,7 +103,8 @@ enum kTransFilterType {
   kCKHW2KCHW,
   kCHWK2KCHW,
   kKCHW2CKHW,  // 20
-  kHWCK2KHWC
+  kHWCK2KHWC,
+  kHWKC2KHWC
 };
 
 STATUS GetFilterDim(const std::vector<int32_t> &oriDims, kTransFilterType type, int32_t *filterK, int32_t *filterC,
diff --git a/mindspore/lite/tools/optimizer/graph/weight_format_hardcode_pass.cc b/mindspore/lite/tools/optimizer/graph/weight_format_hardcode_pass.cc
index e9c11634cb..0f38cc9fac 100644
--- a/mindspore/lite/tools/optimizer/graph/weight_format_hardcode_pass.cc
+++ b/mindspore/lite/tools/optimizer/graph/weight_format_hardcode_pass.cc
@@ -191,6 +191,8 @@ lite::STATUS WeightFormatHardCodePass::HardCodeTF(const AnfNodePtr &conv_node,
 
   if (op_type == schema::PrimitiveType_Conv2D) {
     param_value->set_format(schema::Format::Format_HWCK);
+  } else if (op_type == schema::PrimitiveType_DepthwiseConv2D) {
+    param_value->set_format(schema::Format::Format_HWKC);
   } else {
     MS_LOG(ERROR) << "Unsupported opType: " << EnumNamePrimitiveType(op_type)
                   << ", node: " << conv_node->fullname_with_scope();