diff --git a/mindspore/lite/src/executor.cc b/mindspore/lite/src/executor.cc
index a1de30c098..904e67f26b 100644
--- a/mindspore/lite/src/executor.cc
+++ b/mindspore/lite/src/executor.cc
@@ -25,7 +25,7 @@ int Executor::CheckInputs(const std::vector<Tensor *> &in_tensors) {
       MS_LOG(ERROR) << "Graph input tensor is nullptr";
       return RET_ERROR;
     }
-    if (inTensor->data_c() == nullptr) {
+    if (inTensor->data_type() != kObjectTypeTensorType && inTensor->data_c() == nullptr) {
       MS_LOG(ERROR) << "Graph input tensor data is nullptr " << in_tensors;
       return RET_ERROR;
     }
diff --git a/mindspore/lite/src/lite_session.cc b/mindspore/lite/src/lite_session.cc
index 96c16b7c92..dca4d394ee 100644
--- a/mindspore/lite/src/lite_session.cc
+++ b/mindspore/lite/src/lite_session.cc
@@ -144,7 +144,7 @@ lite::Tensor *LiteSession::ConvertTensor(const schema::Tensor &src_tensor) {
   }
   lite::Tensor *dst_tensor = nullptr;
   if (TypeId(src_tensor.dataType()) == kObjectTypeTensorType) {
-    dst_tensor = new (std::nothrow) TensorList(shape, std::vector<int>());
+    dst_tensor = new (std::nothrow) TensorList(shape, std::vector<int>(), src_category);
   } else {
     dst_tensor = new (std::nothrow) Tensor(TypeId(src_tensor.dataType()), shape, src_tensor.format(), src_category);
   }
diff --git a/mindspore/lite/src/ops/tensorlist_fromtensor.cc b/mindspore/lite/src/ops/tensorlist_fromtensor.cc
index 8a389ce3dd..441250de03 100644
--- a/mindspore/lite/src/ops/tensorlist_fromtensor.cc
+++ b/mindspore/lite/src/ops/tensorlist_fromtensor.cc
@@ -112,6 +112,9 @@ Registry TensorListFromTensorRegistry(schema::PrimitiveType_TensorListFromTensor
 #endif
 
 int TensorListFromTensor::InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) {
+  if (!infer_flag()) {
+    return RET_INFER_INVALID;
+  }
   auto input0 = inputs_[0];
   MS_ASSERT(input0 != nullptr);
   std::vector<int> input0_shape = input0->shape();
diff --git a/mindspore/lite/src/ops/tensorlist_getitem.cc b/mindspore/lite/src/ops/tensorlist_getitem.cc
index 065c3e8e90..5e9f8627d2 100644
--- a/mindspore/lite/src/ops/tensorlist_getitem.cc
+++ b/mindspore/lite/src/ops/tensorlist_getitem.cc
@@ -117,6 +117,9 @@ int TensorListGetItem::MergeShape(const std::vector<int> &tmp) {
 }
 
 int TensorListGetItem::InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) {
+  if (!infer_flag()) {
+    return RET_INFER_INVALID;
+  }
   auto input0 = reinterpret_cast<TensorList *>(inputs_[0]);
   auto get_index = inputs_[1];
   MS_ASSERT(get_index != nullptr);
@@ -125,8 +128,8 @@ int TensorListGetItem::InferShape(std::vector<lite::Tensor *> inputs_, std::vect
     return RET_ERROR;
   }
   if (get_index->data_c() == nullptr) {
-    MS_LOG(ERROR) << "get_index->data_c() is nullptr";
-    return RET_NULL_PTR;
+    MS_LOG(DEBUG) << "get_index->data_c() is nullptr";
+    return RET_INFER_INVALID;
   }
   index_ = reinterpret_cast<int *>(get_index->data_c())[0];
   if (index_ < 0 || index_ > (input0->ElementsNum() - 1)) {
diff --git a/mindspore/lite/src/ops/tensorlist_stack.cc b/mindspore/lite/src/ops/tensorlist_stack.cc
index 5e91be6ee1..05d46578b9 100644
--- a/mindspore/lite/src/ops/tensorlist_stack.cc
+++ b/mindspore/lite/src/ops/tensorlist_stack.cc
@@ -117,6 +117,9 @@ bool TensorListStack::IsFullyDefined(const std::vector<int> &shape) const {
 }
 
 int TensorListStack::InferShape(std::vector<lite::Tensor *> inputs_, std::vector<lite::Tensor *> outputs_) {
+  if (!infer_flag()) {
+    return RET_INFER_INVALID;
+  }
   auto input0 = reinterpret_cast<TensorList *>(inputs_.front());
   MS_ASSERT(input0 != nullptr);
   if (input0->ElementsNum() == 0) {
@@ -130,7 +133,7 @@ int TensorListStack::InferShape(std::vector<lite::Tensor *> inputs_, std::vector
     return RET_NULL_PTR;
   }
   auto ele_shape_ptr = reinterpret_cast<int *>(ele_shape->data_c());
-  for (int i = 0; ele_shape->ElementsNum(); ++i) {
+  for (int i = 0; i < ele_shape->ElementsNum(); ++i) {
     output_shape_.push_back(ele_shape_ptr[i]);
   }
 
diff --git a/mindspore/lite/src/runtime/kernel/arm/base/merge.cc b/mindspore/lite/src/runtime/kernel/arm/base/merge.cc
index ad54decf62..a3b2c33f91 100644
--- a/mindspore/lite/src/runtime/kernel/arm/base/merge.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/base/merge.cc
@@ -17,6 +17,7 @@
 #include "src/runtime/kernel/arm/base/merge.h"
 #include "src/kernel_registry.h"
 #include "include/errorcode.h"
+#include "src/tensorlist.h"
 
 using mindspore::lite::KernelRegistrar;
 using mindspore::lite::RET_ERROR;
@@ -56,31 +57,72 @@ bool MergeCPUKernel::IsReady(const std::vector<lite::Tensor *> &scope_tensors) {
          std::all_of(this->in_tensors().begin() + in_tensors().size() / 2, this->in_tensors().end(),
                      [&](lite::Tensor *kernel_in_tensor) {
                        return kernel_in_tensor->IsConst() || kernel_in_tensor->IsGraphInput() ||
-                              kernel_in_tensor->ref_count() >= 1;
+                              kernel_in_tensor->ref_count() >= 1 ||
+                              (kernel_in_tensor->data_type() == kObjectTypeTensorType);
                      });
 }
 
 int MergeCPUKernel::Init() { return RET_OK; }
 
-int MergeCPUKernel::ReSize() { return RET_ERROR; }
+int MergeCPUKernel::ReSize() { return RET_OK; }
+
+bool MergeCPUKernel::PartialInputReady(int num_begin, int num_end) {
+  MS_ASSERT(in_tensors_.size() == 2 * out_tensors_.size());
+  bool result = (std::all_of(this->in_tensors().begin() + num_begin, this->in_tensors().begin() + num_end,
+                             [&](lite::Tensor *kernel_in_tensor) {
+                               return kernel_in_tensor->IsConst() || kernel_in_tensor->ref_count() >= 1 ||
+                                      kernel_in_tensor->IsGraphInput() ||
+                                      kernel_in_tensor->data_type() == kObjectTypeTensorType;
+                             })) &&
+                std::all_of(this->in_tensors_.begin() + num_begin, this->in_tensors_.begin() + num_end,
+                            [&](lite::Tensor *in_tensor) {
+                              if (in_tensor->data_type() != kObjectTypeTensorType) {
+                                return in_tensor->data_c() != nullptr;
+                              } else {
+                                return true;
+                              }
+                            });
+  return result;
+}
 
 int MergeCPUKernel::Run() {
   MS_ASSERT(in_tensors_.size() == 2 * out_tensors_.size());
   int in_tesnor_part_one = 0;
-  int in_tensor_part_two = out_tensors().size();
-  if (in_tensors_[in_tesnor_part_one]->data_c() != nullptr) {
+  int in_tensor_part_two = in_tensors_.size() / 2;
+  int in_tensor_part_three = in_tensors_.size();
+  if (PartialInputReady(in_tesnor_part_one, in_tensor_part_two)) {
     for (size_t i = 0; i < out_tensors().size(); i++) {
       auto out_data = out_tensors_[i]->data_c();
       auto in_data = in_tensors_[i]->data_c();
+      if (in_tensors_[i]->data_type() == kObjectTypeTensorType) {
+        auto in_tensor_list = reinterpret_cast<lite::TensorList *>(in_tensors_[i]);
+        auto out_tensor_list = reinterpret_cast<lite::TensorList *>(out_tensors_[i]);
+        if (std::any_of(in_tensor_list->tensors().begin(), in_tensor_list->tensors().end(),
+                        [&](lite::Tensor *tensor) { return tensor->data_c() == nullptr; })) {
+          continue;
+        }
+        *out_tensor_list = *in_tensor_list;
+        continue;
+      }
       MS_ASSERT(in_data != nullptr);
       MS_ASSERT(out_data != nullptr);
       memcpy(out_data, in_data, in_tensors_[i]->Size());
     }
   }
-  if (in_tensors_[in_tensor_part_two]->data_c() != nullptr) {
+  if (PartialInputReady(in_tensor_part_two, in_tensor_part_three)) {
     for (size_t i = 0; i < out_tensors().size(); i++) {
       auto out_data = out_tensors_[i]->data_c();
       auto in_data = in_tensors_[i + in_tensor_part_two]->data_c();
+      if (in_tensors_[i]->data_type() == kObjectTypeTensorType) {
+        auto in_tensor_list = reinterpret_cast<lite::TensorList *>(in_tensors_[i + in_tensor_part_two]);
+        auto out_tensor_list = reinterpret_cast<lite::TensorList *>(out_tensors_[i]);
+        if (std::any_of(in_tensor_list->tensors().begin(), in_tensor_list->tensors().end(),
+                        [&](lite::Tensor *tensor) { return tensor->data_c() == nullptr; })) {
+          continue;
+        }
+        *out_tensor_list = *in_tensor_list;
+        continue;
+      }
       MS_ASSERT(in_data != nullptr);
       MS_ASSERT(out_data != nullptr);
       memcpy(out_data, in_data, in_tensors_[i]->Size());
diff --git a/mindspore/lite/src/runtime/kernel/arm/base/merge.h b/mindspore/lite/src/runtime/kernel/arm/base/merge.h
index 726a3ae243..966d8a654e 100644
--- a/mindspore/lite/src/runtime/kernel/arm/base/merge.h
+++ b/mindspore/lite/src/runtime/kernel/arm/base/merge.h
@@ -39,6 +39,7 @@ class MergeCPUKernel : public LiteKernel {
   int Init() override;
   int ReSize() override;
   int Run() override;
+  bool PartialInputReady(int num_begin, int num_end);
 
  private:
   MergeParameter *merge_param_ = nullptr;
diff --git a/mindspore/lite/src/runtime/kernel/arm/base/switch.cc b/mindspore/lite/src/runtime/kernel/arm/base/switch.cc
index eb2c7933aa..e136f04f0e 100644
--- a/mindspore/lite/src/runtime/kernel/arm/base/switch.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/base/switch.cc
@@ -17,6 +17,7 @@
 #include "src/runtime/kernel/arm/base/switch.h"
 #include "src/kernel_registry.h"
 #include "include/errorcode.h"
+#include "src/tensorlist.h"
 
 using mindspore::lite::KernelRegistrar;
 using mindspore::lite::RET_ERROR;
@@ -28,8 +29,8 @@ int SwitchCPUKernel::PostProcess() {
   auto bool_tensor = in_tensors_.front();
   MS_ASSERT(bool_tensor != nullptr);
   MS_ASSERT(bool_tensor->data_type() == kNumberTypeBool);
-  MS_ASSERT(bool_tensor->shape().size() == 1);
-  MS_ASSERT(bool_tensor->shape().front() == 1);
+  MS_ASSERT(bool_tensor->Size() == 1);
+  MS_ASSERT(bool_tensor->Size() == 1);
   auto active = static_cast<bool *>(bool_tensor->data_c());
   if (active == nullptr) {
     MS_LOG(ERROR) << "data of bool tensor is nullptr";
@@ -47,7 +48,7 @@ int SwitchCPUKernel::PostProcess() {
 
 int SwitchCPUKernel::Init() { return RET_OK; }
 
-int SwitchCPUKernel::ReSize() { return RET_ERROR; }
+int SwitchCPUKernel::ReSize() { return RET_OK; }
 
 // inputs: bool*1 data*n
 // output: true-data*n, false-data*n
@@ -56,8 +57,8 @@ int SwitchCPUKernel::Run() {
   auto bool_tensor = in_tensors_.front();
   MS_ASSERT(bool_tensor != nullptr);
   MS_ASSERT(bool_tensor->data_type() == kNumberTypeBool);
-  MS_ASSERT(bool_tensor->shape().size() == 1);
-  MS_ASSERT(bool_tensor->shape().front() == 1);
+  MS_ASSERT(bool_tensor->Size() == 1);
+  MS_ASSERT(bool_tensor->Size() == 1);
   auto active = static_cast<bool *>(bool_tensor->data_c());
   if (active == nullptr) {
     MS_LOG(ERROR) << "data of bool tensor is nullptr";
@@ -68,6 +69,14 @@ int SwitchCPUKernel::Run() {
   while (in_index < in_tensors_.size()) {
     auto in_tensor = in_tensors_.at(in_index++);
     auto out_tensor = out_tensors_.at(out_index++);
+    // copy for tensorlist
+    if (in_tensor->data_type() == kObjectTypeTensorType) {
+      auto in_tensor_list = reinterpret_cast<lite::TensorList *>(in_tensor);
+      auto out_tensor_list = reinterpret_cast<lite::TensorList *>(out_tensor);
+      *out_tensor_list = *in_tensor_list;
+      continue;
+    }
+    // copy for tensor
     MS_ASSERT(in_tensor != nullptr);
     MS_ASSERT(out_tensor != nullptr);
     auto input = in_tensor->data_c();
@@ -111,4 +120,5 @@ kernel::LiteKernel *CpuSwitchKernelCreator(const std::vector<lite::Tensor *> &in
 
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_Switch, CpuSwitchKernelCreator)
 REG_KERNEL(kCPU, kNumberTypeBool, PrimitiveType_Switch, CpuSwitchKernelCreator)
+REG_KERNEL(kCPU, kNumberTypeInt32, PrimitiveType_Switch, CpuSwitchKernelCreator)
 }  // namespace mindspore::kernel
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_fp32.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_fp32.cc
index 6db337e0dd..cbab0cfb22 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_fp32.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_fp32.cc
@@ -554,6 +554,7 @@ REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_Mod, CpuArithmeticFp32KernelC
 REG_KERNEL(kCPU, kNumberTypeInt32, PrimitiveType_Mod, CpuArithmeticFp32KernelCreator)
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_LogicalAnd, CpuArithmeticFp32KernelCreator)
 REG_KERNEL(kCPU, kNumberTypeBool, PrimitiveType_LogicalAnd, CpuArithmeticFp32KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeInt32, PrimitiveType_LogicalAnd, CpuArithmeticFp32KernelCreator)
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_LogicalOr, CpuArithmeticFp32KernelCreator)
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_Maximum, CpuArithmeticFp32KernelCreator)
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_Minimum, CpuArithmeticFp32KernelCreator)
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_fromtensor_fp32.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_fromtensor_fp32.cc
index a2ffd8f78d..0c1f6ac174 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_fromtensor_fp32.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_fromtensor_fp32.cc
@@ -59,9 +59,19 @@ int TensorListFromTensorCPUKernel::Init() {
   return IsCompatibleShape();
 }
 
-int TensorListFromTensorCPUKernel::ReSize() { return RET_OK; }
+int TensorListFromTensorCPUKernel::ReSize() {
+  auto ret = this->Init();
+  if (ret != RET_OK) {
+    MS_LOG(ERROR) << "Init kernel failed!";
+    return ret;
+  }
+  return RET_OK;
+}
 
 int TensorListFromTensorCPUKernel::Run() {
+  input0_ = in_tensors_[0];  // row tensor
+  input1_ = in_tensors_[1];  // element_shape tensor
+  output0_ = out_tensors_[0];
   if (input0_->shape().size() == 0) {
     MS_LOG(ERROR) << "input0_->shape().size():" << input0_->shape().size() << " must be greater than 0";
   }
@@ -114,13 +124,6 @@ kernel::LiteKernel *CpuTensorListFromTensorFp32KernelCreator(const std::vector<l
     free(op_parameter);
     return nullptr;
   }
-  auto ret = kernel->Init();
-  if (ret != RET_OK) {
-    MS_LOG(ERROR) << "Init kernel failed! name: " << op_parameter->name_ << ", type: "
-                  << schema::EnumNamePrimitiveType(static_cast<schema::PrimitiveType>(op_parameter->type_));
-    delete kernel;
-    return nullptr;
-  }
   return kernel;
 }
 
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_getitem_fp32.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_getitem_fp32.cc
index affa8f7545..7018bbed11 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_getitem_fp32.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_getitem_fp32.cc
@@ -70,7 +70,14 @@ int TensorListGetItemCPUKernel::Run() {
   return RET_OK;
 }
 
-int TensorListGetItemCPUKernel::ReSize() { return RET_OK; }
+int TensorListGetItemCPUKernel::ReSize() {
+  auto ret = this->Init();
+  if (ret != RET_OK) {
+    MS_LOG(ERROR) << "Init kernel failed!";
+    return ret;
+  }
+  return RET_OK;
+}
 
 kernel::LiteKernel *CpuTensorListGetItemFp32KernelCreator(const std::vector<lite::Tensor *> &inputs,
                                                           const std::vector<lite::Tensor *> &outputs,
@@ -93,15 +100,9 @@ kernel::LiteKernel *CpuTensorListGetItemFp32KernelCreator(const std::vector<lite
     free(op_parameter);
     return nullptr;
   }
-  auto ret = kernel->Init();
-  if (ret != RET_OK) {
-    MS_LOG(ERROR) << "Init kernel failed! name: " << op_parameter->name_ << ", type: "
-                  << schema::EnumNamePrimitiveType(static_cast<schema::PrimitiveType>(op_parameter->type_));
-    delete kernel;
-    return nullptr;
-  }
   return kernel;
 }
 
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_TensorListGetItem, CpuTensorListGetItemFp32KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeInt32, PrimitiveType_TensorListGetItem, CpuTensorListGetItemFp32KernelCreator)
 }  // namespace mindspore::kernel
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_setitem_fp32.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_setitem_fp32.cc
index 7ce204a95d..74c325d301 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_setitem_fp32.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_setitem_fp32.cc
@@ -116,4 +116,5 @@ kernel::LiteKernel *CpuTensorListSetItemFp32KernelCreator(const std::vector<lite
 }
 
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_TensorListSetItem, CpuTensorListSetItemFp32KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeInt32, PrimitiveType_TensorListSetItem, CpuTensorListSetItemFp32KernelCreator)
 }  // namespace mindspore::kernel
diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_stack_fp32.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_stack_fp32.cc
index 1f7453616a..614d67ba30 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_stack_fp32.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/tensorlist_stack_fp32.cc
@@ -198,4 +198,5 @@ kernel::LiteKernel *CpuTensorListStackFp32KernelCreator(const std::vector<lite::
 }
 
 REG_KERNEL(kCPU, kNumberTypeFloat32, PrimitiveType_TensorListStack, CpuTensorListStackFp32KernelCreator)
+REG_KERNEL(kCPU, kNumberTypeInt32, PrimitiveType_TensorListStack, CpuTensorListStackFp32KernelCreator)
 }  // namespace mindspore::kernel
diff --git a/mindspore/lite/src/scheduler.cc b/mindspore/lite/src/scheduler.cc
index d52fd701ad..63539d7484 100644
--- a/mindspore/lite/src/scheduler.cc
+++ b/mindspore/lite/src/scheduler.cc
@@ -19,6 +19,7 @@
 #include <queue>
 #include <string>
 #include <vector>
+#include <algorithm>
 #include "src/tensorlist.h"
 #include "src/ops/partial.h"
 #include "include/errorcode.h"
@@ -59,7 +60,7 @@ int Scheduler::Schedule(std::vector<kernel::LiteKernel *> *dst_kernels) {
     MS_LOG(ERROR) << "op infer shape failed.";
     return ret;
   }
-  ret = ScheduleSubGraphToKernels(kMainSubGraphIndex, dst_kernels);
+  ret = ScheduleSubGraphToKernels(kMainSubGraphIndex, dst_kernels, nullptr, nullptr);
   if (ret != RET_OK) {
     MS_LOG(ERROR) << "Schedule main subgraph to kernels failed.";
     return ret;
@@ -115,6 +116,10 @@ int Scheduler::InferNodeShape(const lite::Model::Node *node, bool *infer_shape_i
   }
   primitive->set_infer_flag(!(*infer_shape_interrupt));
   auto ret = primitive->InferShape(inputs, outputs);
+  if (ret == RET_INFER_INVALID) {
+    primitive->set_infer_flag(false);
+    *infer_shape_interrupt = true;
+  }
   if (ret == RET_OK) {
     for (auto &output : outputs) {
       if (output->ElementsNum() >= MAX_MALLOC_SIZE / static_cast<int>(sizeof(int64_t))) {
@@ -236,15 +241,15 @@ kernel::LiteKernel *Scheduler::SchedulePartialToKernel(const lite::Model::Node *
   auto partial_primitive = reinterpret_cast<lite::Partial *>(primitive);
   auto sub_graph_index = partial_primitive->GetSubGraphIndex();
   std::vector<kernel::LiteKernel *> sub_kernels;
-  auto ret = ScheduleSubGraphToKernels(sub_graph_index, &sub_kernels);
+  std::vector<lite::Tensor *> in_tensors;
+  std::vector<lite::Tensor *> out_tensors;
+  auto ret = ScheduleSubGraphToKernels(sub_graph_index, &sub_kernels, &in_tensors, &out_tensors);
   if (ret != RET_OK) {
     MS_LOG(ERROR) << "Schedule partial failed, name: " << src_node->name_;
     return nullptr;
   }
   auto cur_sub_graph_type = mindspore::lite::Scheduler::GetKernelSubGraphType(sub_kernels.front());
-  // for kernel::LiteKernelUtil::SubgraphInputTensors in CreateSubGraphKernel
-  FindAllInoutKernels(sub_kernels);
-  auto subgraph = CreateSubGraphKernel(sub_kernels, cur_sub_graph_type);
+  auto subgraph = CreateSubGraphKernel(sub_kernels, &in_tensors, &out_tensors, cur_sub_graph_type);
   subgraph->set_name("subgraph_" + src_node->name_);
   return subgraph;
 }
@@ -266,7 +271,9 @@ kernel::LiteKernel *Scheduler::ScheduleNodeToKernel(const lite::Model::Node *src
   return kernel;
 }
 
-int Scheduler::ScheduleSubGraphToKernels(size_t subgraph_index, std::vector<kernel::LiteKernel *> *dst_kernels) {
+int Scheduler::ScheduleSubGraphToKernels(size_t subgraph_index, std::vector<kernel::LiteKernel *> *dst_kernels,
+                                         std::vector<lite::Tensor *> *in_tensors,
+                                         std::vector<lite::Tensor *> *out_tensors) {
   MS_ASSERT(src_model_ != nullptr);
   MS_ASSERT(!src_model_->sub_graphs_.empty());
   MS_ASSERT(src_model_->sub_graphs_.size() > subgraph_index);
@@ -292,6 +299,14 @@ int Scheduler::ScheduleSubGraphToKernels(size_t subgraph_index, std::vector<kern
     kernel->set_is_model_output(IsContain(graph_output_node_indexes_, size_t(node_index)));
     dst_kernels->emplace_back(kernel);
   }
+  if (in_tensors != nullptr) {
+    std::transform(subgraph->input_indices_.begin(), subgraph->input_indices_.end(), std::back_inserter(*in_tensors),
+                   [&](const uint32_t index) { return this->src_tensors_.at(index); });
+  }
+  if (out_tensors != nullptr) {
+    std::transform(subgraph->output_indices_.begin(), subgraph->output_indices_.end(), std::back_inserter(*out_tensors),
+                   [&](const uint32_t index) { return this->src_tensors_.at(index); });
+  }
   return RET_OK;
 }
 
@@ -368,7 +383,7 @@ int Scheduler::ConstructSubGraphs(std::vector<kernel::LiteKernel *> *kernels) {
     }
     auto cur_sub_graph_type = mindspore::lite::Scheduler::GetKernelSubGraphType(head_kernel);
     auto sub_kernels = FindAllSubGraphKernels(head_kernel, &is_kernel_finish);
-    auto subgraph = CreateSubGraphKernel(sub_kernels, cur_sub_graph_type);
+    auto subgraph = CreateSubGraphKernel(sub_kernels, nullptr, nullptr, cur_sub_graph_type);
     if (subgraph == nullptr) {
       MS_LOG(ERROR) << "Create SubGraphKernel failed";
       return RET_ERROR;
@@ -384,12 +399,14 @@ int Scheduler::ConstructSubGraphs(std::vector<kernel::LiteKernel *> *kernels) {
   }
   return RET_OK;
 }
+
 bool Scheduler::MergeOpIsReady(const kernel::LiteKernel *kernel,
                                std::map<const kernel::LiteKernel *, bool> is_kernel_finish) {
   std::map<const lite::Tensor *, bool> merge_in_tensors_map;
   for (auto merge_in_tensor : kernel->in_tensors()) {
     merge_in_tensors_map[merge_in_tensor] = false;
-    if (merge_in_tensor->category() == Tensor::CONST_TENSOR || merge_in_tensor->category() == Tensor::CONST_SCALAR) {
+    if (merge_in_tensor->category() == Tensor::CONST_TENSOR || merge_in_tensor->category() == Tensor::CONST_SCALAR ||
+        merge_in_tensor->category() == Tensor::GRAPH_INPUT) {
       merge_in_tensors_map[merge_in_tensor] = true;
     }
     for (auto merge_in_kernel : kernel->in_kernels()) {
@@ -408,12 +425,24 @@ bool Scheduler::MergeOpIsReady(const kernel::LiteKernel *kernel,
 }
 
 kernel::SubGraphKernel *Scheduler::CreateSubGraphKernel(const std::vector<kernel::LiteKernel *> &kernels,
+                                                        const std::vector<lite::Tensor *> *in_tensors,
+                                                        const std::vector<lite::Tensor *> *out_tensors,
                                                         kernel::SubGraphType type) {
   if (type == kernel::kApuSubGraph) {
     return nullptr;
   }
-  std::vector<Tensor *> input_tensors = kernel::LiteKernelUtil::SubgraphInputTensors(kernels);
-  std::vector<Tensor *> output_tensors = kernel::LiteKernelUtil::SubgraphOutputTensors(kernels);
+  std::vector<Tensor *> input_tensors;
+  std::vector<Tensor *> output_tensors;
+  if (in_tensors != nullptr) {
+    input_tensors = *in_tensors;
+  } else {
+    input_tensors = kernel::LiteKernelUtil::SubgraphInputTensors(kernels);
+  }
+  if (out_tensors != nullptr) {
+    output_tensors = *out_tensors;
+  } else {
+    output_tensors = kernel::LiteKernelUtil::SubgraphOutputTensors(kernels);
+  }
   std::vector<kernel::LiteKernel *> input_kernels = kernel::LiteKernelUtil::SubgraphInputNodes(kernels);
   std::vector<kernel::LiteKernel *> output_kernels = kernel::LiteKernelUtil::SubgraphOutputNodes(kernels);
   if (type == kernel::kGpuSubGraph) {
@@ -468,7 +497,12 @@ TypeId Scheduler::GetFirstFp32Fp16OrInt8Type(const std::vector<Tensor *> &in_ten
     }
     if (dtype == kObjectTypeTensorType) {
       auto tensor_list = reinterpret_cast<TensorList *>(tensor);
-      return tensor_list->tensors_data_type();
+      auto tensor_list_dtype = tensor_list->data_type();
+      if (tensor_list_dtype == kNumberTypeFloat32 || tensor_list_dtype == kNumberTypeFloat16 ||
+          tensor_list_dtype == kNumberTypeInt8 || tensor_list_dtype == kNumberTypeInt32 ||
+          tensor_list_dtype == kNumberTypeBool) {
+        return tensor_list_dtype;
+      }
     }
     if (dtype == kNumberTypeFloat32 || dtype == kNumberTypeFloat16 || dtype == kNumberTypeInt8 ||
         dtype == kNumberTypeInt32 || dtype == kNumberTypeBool) {
diff --git a/mindspore/lite/src/scheduler.h b/mindspore/lite/src/scheduler.h
index 3f9accf6b1..eff071ddd6 100644
--- a/mindspore/lite/src/scheduler.h
+++ b/mindspore/lite/src/scheduler.h
@@ -53,7 +53,8 @@ class Scheduler {
   // schedule a node to a kernel
   kernel::LiteKernel *ScheduleNodeToKernel(const lite::Model::Node *src_node);
   // schedule a Model::SubGraph into a vector of kernel and subgraph_kernel
-  int ScheduleSubGraphToKernels(size_t subgraph_index, std::vector<kernel::LiteKernel *> *dst_kernels);
+  int ScheduleSubGraphToKernels(size_t subgraph_index, std::vector<kernel::LiteKernel *> *dst_kernels,
+                                std::vector<lite::Tensor *> *in_tensors, std::vector<lite::Tensor *> *out_tensors);
 
   // find in_kernels_ and out_kernels of kernel, sub_graph and nodes_ in sub_graph
   static void FindAllInoutKernels(const std::vector<kernel::LiteKernel *> &kernels);
@@ -63,6 +64,8 @@ class Scheduler {
 
   // create subgraph_kernel from a vector of kernel
   kernel::SubGraphKernel *CreateSubGraphKernel(const std::vector<kernel::LiteKernel *> &kernels,
+                                               const std::vector<lite::Tensor *> *in_tensors,
+                                               const std::vector<lite::Tensor *> *out_tensors,
                                                kernel::SubGraphType type);
 
   bool MergeOpIsReady(const kernel::LiteKernel *kernel, std::map<const kernel::LiteKernel *, bool> is_kernel_finish);
diff --git a/mindspore/lite/src/tensor.h b/mindspore/lite/src/tensor.h
index c146d04403..f945031e72 100644
--- a/mindspore/lite/src/tensor.h
+++ b/mindspore/lite/src/tensor.h
@@ -133,7 +133,7 @@ class Tensor : public mindspore::tensor::MSTensor {
 
   void set_quant_clusters(const std::vector<float> &clusters);
 
-  bool IsConst() const {
+  virtual bool IsConst() const {
     return (this->category_ == CONST_TENSOR || this->category_ == CONST_SCALAR) && this->data_ != nullptr;
   }
 
diff --git a/mindspore/lite/src/tensorlist.cc b/mindspore/lite/src/tensorlist.cc
index 688016285b..85dc1dbdc5 100644
--- a/mindspore/lite/src/tensorlist.cc
+++ b/mindspore/lite/src/tensorlist.cc
@@ -24,8 +24,8 @@
 namespace mindspore {
 namespace lite {
 
-TensorList::TensorList(std::vector<int> shape, std::vector<int> element_shape)
-    : Tensor(kObjectTypeTensorType, shape), element_shape_(element_shape) {}
+TensorList::TensorList(std::vector<int> shape, std::vector<int> element_shape, Category category)
+    : Tensor(kObjectTypeTensorType, shape, schema::Format::Format_NHWC, category), element_shape_(element_shape) {}
 
 TensorList::~TensorList() {
   if (!this->tensors_.empty()) {
@@ -66,6 +66,9 @@ int TensorList::CopyTensorList(const TensorList &src, bool copy_data) {
 }
 
 int TensorList::CopyTensorData(const TensorList &src) {
+  if (src.tensors_.empty()) {
+    return RET_OK;
+  }
   for (int i = 0; i < this->ElementsNum(); ++i) {
     if (src.tensors_[i] == nullptr) {
       MS_LOG(ERROR) << "src tensors_[" << i << "] is nullptr!";
@@ -115,8 +118,14 @@ int TensorList::MallocTensorListData(TypeId dtype, const std::vector<std::vector
 }
 
 int TensorList::MallocData(const mindspore::lite::Allocator *allocator) {
+  if (allocator != nullptr) {
+    allocator_ = const_cast<mindspore::lite::Allocator *>(allocator);
+  }
   // malloc data buf of each tensor in tensors_
   for (int i = 0; i < this->ElementsNum(); ++i) {
+    if (tensors_.empty()) {
+      return RET_OK;
+    }
     auto tensor_ptr = this->tensors_[i];
     if (tensor_ptr == nullptr) {
       MS_LOG(ERROR) << "tensors_[" << i << "] is nullptr!";
@@ -252,5 +261,8 @@ STATUS TensorList::Decode(const int *data) {
   }
   return RET_OK;
 }
+
+bool TensorList::IsConst() const { return this->category_ == CONST_TENSOR || this->category_ == CONST_SCALAR; }
+
 }  // namespace lite
 }  // namespace mindspore
diff --git a/mindspore/lite/src/tensorlist.h b/mindspore/lite/src/tensorlist.h
index 580b78bcbd..1291c3c80d 100644
--- a/mindspore/lite/src/tensorlist.h
+++ b/mindspore/lite/src/tensorlist.h
@@ -60,7 +60,7 @@ class TensorList : public Tensor {
  public:
   TensorList() = default;
 
-  TensorList(std::vector<int> shape, std::vector<int> element_shape);
+  TensorList(std::vector<int> shape, std::vector<int> element_shape, Category category = VAR);
 
   ~TensorList() override;
 
@@ -114,6 +114,8 @@ class TensorList : public Tensor {
 
   STATUS Decode(const int *data);
 
+  bool IsConst() const override;
+
  protected:
   // The following functions must be masked.
   void set_data(void *data) override { return; }
diff --git a/mindspore/lite/tools/converter/parser/tf/tf_util.cc b/mindspore/lite/tools/converter/parser/tf/tf_util.cc
index 145b9f5f89..e95b040724 100644
--- a/mindspore/lite/tools/converter/parser/tf/tf_util.cc
+++ b/mindspore/lite/tools/converter/parser/tf/tf_util.cc
@@ -125,7 +125,7 @@ std::string TensorFlowUtils::GetFlattenNodeName(const std::string &input_name) {
     if (input_splits[2] == "0") {
       ret = input_splits[0];
     } else {
-      ret = input_splits[0] + input_splits[2];  // multi output node
+      ret = input_splits[0] + ":" + input_splits[2];  // multi output node
     }
   }
   return ret;