diff --git a/mindspore/lite/src/common/prim_util.cc b/mindspore/lite/src/common/prim_util.cc
index e8cad919a6..4495648e87 100644
--- a/mindspore/lite/src/common/prim_util.cc
+++ b/mindspore/lite/src/common/prim_util.cc
@@ -24,6 +24,7 @@
 namespace mindspore {
 namespace lite {
 int GetPrimitiveType(const void *primitive) {
+  MS_ASSERT(primitive != nullptr);
   if (primitive == nullptr) {
     return -1;
   }
@@ -51,6 +52,7 @@ const char *PrimitiveCurVersionTypeName(int type) {
 int GenPrimVersionKey(int primitive_type, int schema_version) { return primitive_type * 1000 + schema_version; }
 
 bool IsPartialNode(const void *primitive) {
+  MS_ASSERT(primitive != nullptr);
   int schema_version = VersionManager::GetInstance()->GetSchemaVersion();
   if (schema_version == SCHEMA_CUR) {
     return reinterpret_cast<const schema::Primitive *>(primitive)->value_type() == schema::PrimitiveType_PartialFusion;
@@ -65,9 +67,11 @@ bool IsPartialNode(const void *primitive) {
 }
 
 int GetPartialGraphIndex(const void *primitive) {
+  MS_ASSERT(primitive != nullptr);
   int index = -1;
   int schema_version = VersionManager::GetInstance()->GetSchemaVersion();
   if (schema_version == SCHEMA_CUR) {
+    MS_ASSERT(static_cast<const schema::Primitive *>(primitive)->value_as_PartialFusion() != nullptr);
     index = static_cast<const schema::Primitive *>(primitive)->value_as_PartialFusion()->sub_graph_index();
   }
 #ifdef ENABLE_V0
@@ -79,6 +83,7 @@ int GetPartialGraphIndex(const void *primitive) {
 }
 
 bool IsWhileNode(const void *primitive) {
+  MS_ASSERT(primitive != nullptr);
   int schema_version = VersionManager::GetInstance()->GetSchemaVersion();
   if (schema_version == SCHEMA_CUR) {
     return reinterpret_cast<const schema::Primitive *>(primitive)->value_type() == schema::PrimitiveType_While;
@@ -92,13 +97,16 @@ bool IsWhileNode(const void *primitive) {
 }
 
 int GetWhileBodySubgraphIndex(const void *primitive) {
+  MS_ASSERT(primitive != nullptr);
   int index = -1;
   int schema_version = VersionManager::GetInstance()->GetSchemaVersion();
   if (schema_version == SCHEMA_CUR) {
+    MS_ASSERT(static_cast<const schema::Primitive *>(primitive)->value_as_While() != nullptr);
     index = reinterpret_cast<const schema::Primitive *>(primitive)->value_as_While()->body_subgraph_index();
   }
 #ifdef ENABLE_V0
   if (schema_version == SCHEMA_V0) {
+    MS_ASSERT(static_cast<const schema::Primitive *>(primitive)->value_as_While() != nullptr);
     index = reinterpret_cast<const schema::v0::Primitive *>(primitive)->value_as_While()->bodySubgraphIndex();
   }
 #endif
@@ -106,13 +114,16 @@ int GetWhileBodySubgraphIndex(const void *primitive) {
 }
 
 int GetWhileCondSubgraphIndex(const void *primitive) {
+  MS_ASSERT(primitive != nullptr);
   int index = -1;
   int schema_version = VersionManager::GetInstance()->GetSchemaVersion();
   if (schema_version == SCHEMA_CUR) {
+    MS_ASSERT(static_cast<const schema::Primitive *>(primitive)->value_as_While() != nullptr);
     index = reinterpret_cast<const schema::Primitive *>(primitive)->value_as_While()->cond_subgraph_index();
   }
 #ifdef ENABLE_V0
   if (schema_version == SCHEMA_V0) {
+    MS_ASSERT(static_cast<const schema::Primitive *>(primitive)->value_as_While() != nullptr);
     index = reinterpret_cast<const schema::v0::Primitive *>(primitive)->value_as_While()->condSubgraphIndex();
   }
 #endif
diff --git a/mindspore/lite/src/common/tensor_util.cc b/mindspore/lite/src/common/tensor_util.cc
index a747abec65..6ad369fac4 100644
--- a/mindspore/lite/src/common/tensor_util.cc
+++ b/mindspore/lite/src/common/tensor_util.cc
@@ -128,7 +128,7 @@ int TensorList2TensorListC(TensorList *src, TensorListC *dst) {
   return NNACL_OK;
 }
 
-void TensorListC2TensorList(TensorListC *src, TensorList *dst) {
+int TensorListC2TensorList(TensorListC *src, TensorList *dst) {
   dst->set_data_type(static_cast<TypeId>(src->data_type_));
   dst->set_format(static_cast<schema::Format>(src->format_));
   dst->set_shape(std::vector<int>(1, src->element_num_));
@@ -136,11 +136,17 @@ void TensorListC2TensorList(TensorListC *src, TensorList *dst) {
 
   // Set Tensors
   for (size_t i = 0; i < src->element_num_; i++) {
+    if (dst->GetTensor(i) == nullptr) {
+      MS_LOG(ERROR) << "Tensor i is null ptr";
+      return RET_NULL_PTR;
+    }
+
     TensorC2Tensor(&src->tensors_[i], dst->GetTensor(i));
   }
 
   dst->set_element_shape(std::vector<int>(src->element_shape_, src->element_shape_ + src->element_shape_size_));
   dst->set_max_elements_num(src->max_elements_num_);
+  return RET_OK;
 }
 
 int GenerateMergeSwitchOutTensorC(const std::vector<lite::Tensor *> &inputs, std::vector<lite::Tensor *> *outputs,
@@ -189,6 +195,7 @@ int GenerateInTensorC(const OpParameter *const parameter, const std::vector<lite
       memset(tensor_list_c, 0, sizeof(TensorListC));
       ret = TensorList2TensorListC(tensor_list, tensor_list_c);
       if (ret != RET_OK) {
+        free(tensor_list_c);
         return NNACL_ERR;
       }
       in_tensor_c->push_back(reinterpret_cast<TensorC *>(tensor_list_c));
diff --git a/mindspore/lite/src/common/tensor_util.h b/mindspore/lite/src/common/tensor_util.h
index 1519fb661c..db8f2ac16c 100644
--- a/mindspore/lite/src/common/tensor_util.h
+++ b/mindspore/lite/src/common/tensor_util.h
@@ -31,7 +31,7 @@ void FreeTensorListC(TensorListC *tensorListC);
 void Tensor2TensorC(Tensor *src, TensorC *dst);
 void TensorC2Tensor(TensorC *src, Tensor *dst);
 int TensorList2TensorListC(TensorList *src, TensorListC *dst);
-void TensorListC2TensorList(TensorListC *src, TensorList *dst);
+int TensorListC2TensorList(TensorListC *src, TensorList *dst);
 int GenerateMergeSwitchOutTensorC(const std::vector<lite::Tensor *> &inputs, std::vector<lite::Tensor *> *outputs,
                                   std::vector<TensorC *> *out_tensor_c);
 int GenerateInTensorC(const OpParameter *const parameter, const std::vector<lite::Tensor *> &inputs,
diff --git a/mindspore/lite/src/cxx_api/tensor/tensor_impl.h b/mindspore/lite/src/cxx_api/tensor/tensor_impl.h
index d7922a7d5b..b9b916ecdb 100644
--- a/mindspore/lite/src/cxx_api/tensor/tensor_impl.h
+++ b/mindspore/lite/src/cxx_api/tensor/tensor_impl.h
@@ -140,7 +140,7 @@ class MSTensor::Impl {
 
   virtual bool IsDevice() const { return false; }
 
-  tensor::MSTensor *lite_tensor() { return lite_tensor_; }
+  tensor::MSTensor *lite_tensor() const { return lite_tensor_; }
 
   Status set_lite_tensor(tensor::MSTensor *tensor) {
     if (tensor == nullptr) {
diff --git a/mindspore/lite/src/kernel_interface.h b/mindspore/lite/src/kernel_interface.h
index bda7b7c195..011d008cd2 100644
--- a/mindspore/lite/src/kernel_interface.h
+++ b/mindspore/lite/src/kernel_interface.h
@@ -48,6 +48,7 @@ class RegisterKernelInterface {
  public:
   static RegisterKernelInterface *Instance();
   int Reg(const std::string &vendor, const int op_type, KernelInterfaceCreator creator);
+  virtual ~RegisterKernelInterface() = default;
 
  private:
   RegisterKernelInterface() = default;
diff --git a/mindspore/lite/src/kernel_interface_registry.h b/mindspore/lite/src/kernel_interface_registry.h
index 9ca653b982..33ded2b833 100644
--- a/mindspore/lite/src/kernel_interface_registry.h
+++ b/mindspore/lite/src/kernel_interface_registry.h
@@ -31,6 +31,7 @@ class KernelInterfaceRegistry {
   }
 
   int Reg(const std::string &vendor, const int &op_type, kernel::KernelInterfaceCreator creator);
+  virtual ~KernelInterfaceRegistry() = default;
 
  private:
   KernelInterfaceRegistry() = default;
diff --git a/mindspore/lite/src/ops/schema_register.h b/mindspore/lite/src/ops/schema_register.h
index 6c993be9ee..955a8ae0b8 100644
--- a/mindspore/lite/src/ops/schema_register.h
+++ b/mindspore/lite/src/ops/schema_register.h
@@ -37,6 +37,8 @@ class SchemaRegisterImpl {
 
   GetSchemaDef GetPrimTypeGenFunc() const { return prim_type_gen_; }
 
+  virtual ~SchemaRegisterImpl() = default;
+
  private:
   std::vector<GetSchemaDef> op_def_funcs_;
   GetSchemaDef prim_type_gen_;
@@ -45,11 +47,13 @@ class SchemaRegisterImpl {
 class SchemaOpRegister {
  public:
   explicit SchemaOpRegister(GetSchemaDef func) { SchemaRegisterImpl::Instance()->OpPush(func); }
+  virtual ~SchemaOpRegister() = default;
 };
 
 class PrimitiveTypeRegister {
  public:
   explicit PrimitiveTypeRegister(GetSchemaDef func) { SchemaRegisterImpl::Instance()->SetPrimTypeGenFunc(func); }
+  virtual ~PrimitiveTypeRegister() = default;
 };
 }  // namespace mindspore::lite::ops
 
diff --git a/mindspore/lite/src/runtime/agent/npu/optimizer/npu_insert_transform_pass.h b/mindspore/lite/src/runtime/agent/npu/optimizer/npu_insert_transform_pass.h
index 1a76e68be3..4a97bea728 100644
--- a/mindspore/lite/src/runtime/agent/npu/optimizer/npu_insert_transform_pass.h
+++ b/mindspore/lite/src/runtime/agent/npu/optimizer/npu_insert_transform_pass.h
@@ -31,6 +31,7 @@ class NPUInsertTransformPass : public NPUBasePass {
     name_ = "NPUInsertTransformPass";
   }
 
+  virtual ~NPUInsertTransformPass() = default;
   int Run() override;
 
  private:
diff --git a/mindspore/lite/src/runtime/agent/npu/optimizer/npu_transform_pass.h b/mindspore/lite/src/runtime/agent/npu/optimizer/npu_transform_pass.h
index 696855b259..33d1d0689d 100644
--- a/mindspore/lite/src/runtime/agent/npu/optimizer/npu_transform_pass.h
+++ b/mindspore/lite/src/runtime/agent/npu/optimizer/npu_transform_pass.h
@@ -36,6 +36,8 @@ class NPUTransformPass : public NPUBasePass {
     name_ = "NPUTransformPass";
   }
 
+  virtual ~NPUTransformPass() = default;
+
  private:
   int InsertPreNodes(kernel::LiteKernel *kernel, std::vector<kernel::LiteKernel *> *trans_kernels);
 
diff --git a/mindspore/lite/tools/converter/graphdef_transform.h b/mindspore/lite/tools/converter/graphdef_transform.h
index b53507c3f6..eb794c618e 100644
--- a/mindspore/lite/tools/converter/graphdef_transform.h
+++ b/mindspore/lite/tools/converter/graphdef_transform.h
@@ -37,7 +37,7 @@ class GraphDefTransform {
   virtual ~GraphDefTransform();
   virtual int Transform(const converter::Flags &ctx);
   void SetGraphDef(schema::MetaGraphT *dst_def);
-  inline schema::MetaGraphT *GetOutput() { return graph_defT_; }
+  inline schema::MetaGraphT *GetOutput() const { return graph_defT_; }
 
  protected:
   std::vector<schema::CNodeT *> GetGraphNodes();
diff --git a/mindspore/lite/tools/optimizer/graph/primitive_adjust_pass.h b/mindspore/lite/tools/optimizer/graph/primitive_adjust_pass.h
index 729757d12f..927529ebf9 100644
--- a/mindspore/lite/tools/optimizer/graph/primitive_adjust_pass.h
+++ b/mindspore/lite/tools/optimizer/graph/primitive_adjust_pass.h
@@ -57,6 +57,7 @@ class RegistryPrimitiveAdjust {
   RegistryPrimitiveAdjust(const std::string &key, PrimitiveAdjustCreator creator) {
     PrimitiveAdjustRegistry::GetInstance()->InsertPrimitiveAdjustMap(key, creator);
   }
+  virtual ~RegistryPrimitiveAdjust() = default;
 };
 
 #define REGIST_PRIMITIVE_ADJUST(type, primitive_adjust_func) \