diff --git a/include/infer_tensor.h b/include/infer_tensor.h
index 7aed3e9a474..bdbf2704bd0 100644
--- a/include/infer_tensor.h
+++ b/include/infer_tensor.h
@@ -107,6 +107,7 @@ class InferTensor : public InferTensorBase {
 
  public:
   InferTensor() = default;
+  ~InferTensor() = default;
   InferTensor(DataType type, std::vector<int64_t> shape, const void *data, size_t data_len) {
     set_data_type(type);
     set_shape(shape);
@@ -131,6 +132,8 @@ class InferTensor : public InferTensorBase {
 
 class InferImagesBase {
  public:
+  InferImagesBase() = default;
+  virtual ~InferImagesBase() = default;
   virtual size_t batch_size() const = 0;
   virtual bool get(size_t index, const void *&pic_buffer, uint32_t &pic_size) const = 0;
   virtual size_t input_index() const = 0;  // the index of images as input in model
@@ -138,18 +141,24 @@ class InferImagesBase {
 
 class RequestBase {
  public:
+  RequestBase() = default;
+  virtual ~RequestBase() = default;
   virtual size_t size() const = 0;
   virtual const InferTensorBase *operator[](size_t index) const = 0;
 };
 
 class ImagesRequestBase {
  public:
+  ImagesRequestBase() = default;
+  virtual ~ImagesRequestBase() = default;
   virtual size_t size() const = 0;
   virtual const InferImagesBase *operator[](size_t index) const = 0;
 };
 
 class ReplyBase {
  public:
+  ReplyBase() = default;
+  virtual ~ReplyBase() = default;
   virtual size_t size() const = 0;
   virtual InferTensorBase *operator[](size_t index) = 0;
   virtual const InferTensorBase *operator[](size_t index) const = 0;
@@ -160,6 +169,7 @@ class ReplyBase {
 class VectorInferTensorWrapReply : public ReplyBase {
  public:
   explicit VectorInferTensorWrapReply(std::vector<InferTensor> &tensor_list) : tensor_list_(tensor_list) {}
+  ~VectorInferTensorWrapReply() = default;
 
   size_t size() const { return tensor_list_.size(); }
   InferTensorBase *operator[](size_t index) {
@@ -187,6 +197,7 @@ class VectorInferTensorWrapReply : public ReplyBase {
 class VectorInferTensorWrapRequest : public RequestBase {
  public:
   explicit VectorInferTensorWrapRequest(const std::vector<InferTensor> &tensor_list) : tensor_list_(tensor_list) {}
+  ~VectorInferTensorWrapRequest() = default;
 
   size_t size() const { return tensor_list_.size(); }
   const InferTensorBase *operator[](size_t index) const {
diff --git a/include/inference.h b/include/inference.h
index c66d6555709..a72ec0b81ce 100644
--- a/include/inference.h
+++ b/include/inference.h
@@ -33,6 +33,8 @@ class Status {
   Status() : status_code_(FAILED) {}
   Status(enum StatusCode status_code, const std::string &status_msg = "")
       : status_code_(status_code), status_msg_(status_msg) {}
+  ~Status() = default;
+
   bool IsSuccess() const { return status_code_ == SUCCESS; }
   enum StatusCode StatusCode() const { return status_code_; }
   std::string StatusMessage() const { return status_msg_; }
diff --git a/serving/acl/dvpp_process.cc b/serving/acl/dvpp_process.cc
index 8a65d94b197..10530ad4917 100644
--- a/serving/acl/dvpp_process.cc
+++ b/serving/acl/dvpp_process.cc
@@ -233,7 +233,7 @@ Status DvppProcess::InputInputBuffer(const void *pic_buffer, size_t pic_buffer_s
 }
 
 static void JpegErrorExitCustom(j_common_ptr cinfo) {
-  char jpeg_last_error_msg[JMSG_LENGTH_MAX];
+  char jpeg_last_error_msg[JMSG_LENGTH_MAX] = {0};
   if (cinfo != nullptr && cinfo->err != nullptr && cinfo->err->format_message != nullptr) {
     (*(cinfo->err->format_message))(cinfo, jpeg_last_error_msg);
   }
diff --git a/serving/core/http_process.cc b/serving/core/http_process.cc
index e0b302574a7..efc9b34cd31 100644
--- a/serving/core/http_process.cc
+++ b/serving/core/http_process.cc
@@ -42,7 +42,7 @@ enum HTTP_DATA_TYPE { HTTP_DATA_NONE, HTTP_DATA_INT, HTTP_DATA_FLOAT };
 static const std::map<inference::DataType, HTTP_DATA_TYPE> infer_type2_http_type{
   {inference::DataType::kMSI_Int32, HTTP_DATA_INT}, {inference::DataType::kMSI_Float32, HTTP_DATA_FLOAT}};
 
-Status GetPostMessage(struct evhttp_request *req, std::string *buf) {
+Status GetPostMessage(struct evhttp_request *const req, std::string *const buf) {
   Status status(SUCCESS);
   size_t post_size = evbuffer_get_length(req->input_buffer);
   if (post_size == 0) {
@@ -57,7 +57,8 @@ Status GetPostMessage(struct evhttp_request *req, std::string *buf) {
     return status;
   }
 }
-Status CheckRequestValid(struct evhttp_request *http_request) {
+
+Status CheckRequestValid(struct evhttp_request *const http_request) {
   Status status(SUCCESS);
   switch (evhttp_request_get_command(http_request)) {
     case EVHTTP_REQ_POST:
@@ -68,7 +69,7 @@ Status CheckRequestValid(struct evhttp_request *http_request) {
   }
 }
 
-void ErrorMessage(struct evhttp_request *req, Status status) {
+void ErrorMessage(struct evhttp_request *const req, Status status) {
   json error_json = {{"error_message", status.StatusMessage()}};
   std::string out_error_str = error_json.dump();
   struct evbuffer *retbuff = evbuffer_new();
@@ -77,7 +78,7 @@ void ErrorMessage(struct evhttp_request *req, Status status) {
   evbuffer_free(retbuff);
 }
 
-Status CheckMessageValid(const json &message_info, HTTP_TYPE *type) {
+Status CheckMessageValid(const json &message_info, HTTP_TYPE *const type) {
   Status status(SUCCESS);
   int count = 0;
   if (message_info.find(HTTP_DATA) != message_info.end()) {
@@ -95,7 +96,7 @@ Status CheckMessageValid(const json &message_info, HTTP_TYPE *type) {
   return status;
 }
 
-Status GetDataFromJson(const json &json_data_array, ServingTensor *request_tensor, size_t data_index,
+Status GetDataFromJson(const json &json_data_array, ServingTensor *const request_tensor, size_t data_index,
                        HTTP_DATA_TYPE type) {
   Status status(SUCCESS);
   auto type_name = [](const json &json_data) -> std::string {
@@ -133,7 +134,7 @@ Status GetDataFromJson(const json &json_data_array, ServingTensor *request_tenso
   return SUCCESS;
 }
 
-Status RecusiveGetTensor(const json &json_data, size_t depth, ServingTensor *request_tensor, size_t data_index,
+Status RecusiveGetTensor(const json &json_data, size_t depth, ServingTensor *const request_tensor, size_t data_index,
                          HTTP_DATA_TYPE type) {
   Status status(SUCCESS);
   std::vector<int64_t> required_shape = request_tensor->shape();
@@ -185,7 +186,7 @@ std::vector<int64_t> GetJsonArrayShape(const json &json_array) {
   return json_shape;
 }
 
-Status TransDataToPredictRequest(const json &message_info, PredictRequest *request) {
+Status TransDataToPredictRequest(const json &message_info, PredictRequest *const request) {
   Status status = SUCCESS;
   auto tensors = message_info.find(HTTP_DATA);
   if (tensors == message_info.end()) {
@@ -241,7 +242,7 @@ Status TransDataToPredictRequest(const json &message_info, PredictRequest *reque
   return SUCCESS;
 }
 
-Status TransTensorToPredictRequest(const json &message_info, PredictRequest *request) {
+Status TransTensorToPredictRequest(const json &message_info, PredictRequest *const request) {
   Status status(SUCCESS);
   auto tensors = message_info.find(HTTP_TENSOR);
   if (tensors == message_info.end()) {
@@ -291,7 +292,8 @@ Status TransTensorToPredictRequest(const json &message_info, PredictRequest *req
   return status;
 }
 
-Status TransHTTPMsgToPredictRequest(struct evhttp_request *http_request, PredictRequest *request, HTTP_TYPE *type) {
+Status TransHTTPMsgToPredictRequest(struct evhttp_request *const http_request, PredictRequest *const request,
+                                    HTTP_TYPE *const type) {
   Status status = CheckRequestValid(http_request);
   if (status != SUCCESS) {
     return status;
@@ -352,7 +354,7 @@ Status TransHTTPMsgToPredictRequest(struct evhttp_request *http_request, Predict
   return status;
 }
 
-Status GetJsonFromTensor(const ms_serving::Tensor &tensor, int len, int *pos, json *out_json) {
+Status GetJsonFromTensor(const ms_serving::Tensor &tensor, int len, int *const pos, json *const out_json) {
   Status status(SUCCESS);
   switch (tensor.tensor_type()) {
     case ms_serving::MS_INT32: {
@@ -366,7 +368,7 @@ Status GetJsonFromTensor(const ms_serving::Tensor &tensor, int len, int *pos, js
     case ms_serving::MS_FLOAT32: {
       auto data = reinterpret_cast<const float *>(tensor.data().data()) + *pos;
       std::vector<float> result_tensor(len);
-      memcpy_s(result_tensor.data(), result_tensor.size() * sizeof(float), data, len * sizeof(float));
+      (void)memcpy_s(result_tensor.data(), result_tensor.size() * sizeof(float), data, len * sizeof(float));
       *out_json = std::move(result_tensor);
       *pos += len;
       break;
@@ -378,7 +380,7 @@ Status GetJsonFromTensor(const ms_serving::Tensor &tensor, int len, int *pos, js
   return status;
 }
 
-Status TransPredictReplyToData(const PredictReply &reply, json *out_json) {
+Status TransPredictReplyToData(const PredictReply &reply, json *const out_json) {
   Status status(SUCCESS);
   for (int i = 0; i < reply.result_size(); i++) {
     (*out_json)["data"].push_back(json());
@@ -396,7 +398,7 @@ Status TransPredictReplyToData(const PredictReply &reply, json *out_json) {
   return status;
 }
 
-Status RecusiveGetJson(const ms_serving::Tensor &tensor, int depth, int *pos, json *out_json) {
+Status RecusiveGetJson(const ms_serving::Tensor &tensor, int depth, int *const pos, json *const out_json) {
   Status status(SUCCESS);
   if (depth >= 10) {
     ERROR_INFER_STATUS(status, FAILED, "result tensor shape dims is larger than 10");
@@ -420,7 +422,7 @@ Status RecusiveGetJson(const ms_serving::Tensor &tensor, int depth, int *pos, js
   return status;
 }
 
-Status TransPredictReplyToTensor(const PredictReply &reply, json *out_json) {
+Status TransPredictReplyToTensor(const PredictReply &reply, json *const out_json) {
   Status status(SUCCESS);
   for (int i = 0; i < reply.result_size(); i++) {
     (*out_json)["tensor"].push_back(json());
@@ -434,7 +436,7 @@ Status TransPredictReplyToTensor(const PredictReply &reply, json *out_json) {
   return status;
 }
 
-Status TransPredictReplyToHTTPMsg(const PredictReply &reply, const HTTP_TYPE &type, struct evbuffer *buf) {
+Status TransPredictReplyToHTTPMsg(const PredictReply &reply, const HTTP_TYPE &type, struct evbuffer *const buf) {
   Status status(SUCCESS);
   json out_json;
   switch (type) {
@@ -454,7 +456,7 @@ Status TransPredictReplyToHTTPMsg(const PredictReply &reply, const HTTP_TYPE &ty
   return status;
 }
 
-Status HttpHandleMsgDetail(struct evhttp_request *req, void *arg, struct evbuffer *retbuff) {
+Status HttpHandleMsgDetail(struct evhttp_request *const req, void *const arg, struct evbuffer *const retbuff) {
   PredictRequest request;
   PredictReply reply;
   HTTP_TYPE type;
@@ -482,7 +484,7 @@ Status HttpHandleMsgDetail(struct evhttp_request *req, void *arg, struct evbuffe
   return SUCCESS;
 }
 
-void http_handler_msg(struct evhttp_request *req, void *arg) {
+void http_handler_msg(struct evhttp_request *const req, void *const arg) {
   MSI_TIME_STAMP_START(TotalRestfulPredict)
   struct evbuffer *retbuff = evbuffer_new();
   if (retbuff == nullptr) {
diff --git a/serving/core/server.cc b/serving/core/server.cc
index ae667ade55c..c8639c8f694 100644
--- a/serving/core/server.cc
+++ b/serving/core/server.cc
@@ -44,6 +44,7 @@ namespace serving {
 namespace {
 static const uint32_t uint32max = 0x7FFFFFFF;
 std::promise<void> exit_requested;
+static const char kServerHttpIp[] = "0.0.0.0";
 
 void ClearEnv() { Session::Instance().Clear(); }
 void HandleSignal(int sig) { exit_requested.set_value(); }
@@ -195,7 +196,7 @@ Status Server::BuildAndStart() {
     return res;
   }
   auto option_args = Options::Instance().GetArgs();
-  std::string server_address = "0.0.0.0:" + std::to_string(option_args->grpc_port);
+  std::string server_address = std::string(kServerHttpIp) + ":" + std::to_string(option_args->grpc_port);
 
   auto http_server_new_ret = NewHttpServer();
   struct evhttp *http_server = http_server_new_ret.first;
@@ -211,7 +212,7 @@ Status Server::BuildAndStart() {
     event_base_free(eb);
   };
   int32_t http_port = option_args->rest_api_port;
-  std::string http_addr = "0.0.0.0";
+  std::string http_addr = kServerHttpIp;
 
   evhttp_set_timeout(http_server, 60);
   evhttp_set_gencb(http_server, http_handler_msg, nullptr);
diff --git a/serving/core/serving_tensor.h b/serving/core/serving_tensor.h
index b55112fd64f..a341046fef3 100644
--- a/serving/core/serving_tensor.h
+++ b/serving/core/serving_tensor.h
@@ -50,6 +50,7 @@ class MS_API ServingTensor : public inference::InferTensorBase {
 class ServingImages : public inference::InferImagesBase {
  public:
   explicit ServingImages(const ms_serving::Images &images);
+  ~ServingImages() = default;
 
   size_t batch_size() const override;
   bool get(size_t index, const void *&pic_buffer, uint32_t &pic_size) const override;
@@ -62,6 +63,7 @@ class ServingImages : public inference::InferImagesBase {
 class ServingRequest : public inference::RequestBase {
  public:
   explicit ServingRequest(const ms_serving::PredictRequest &request);
+  ~ServingRequest() = default;
 
   size_t size() const override;
   const inference::InferTensorBase *operator[](size_t index) const override;
@@ -74,6 +76,7 @@ class ServingRequest : public inference::RequestBase {
 class ServingReply : public inference::ReplyBase {
  public:
   explicit ServingReply(ms_serving::PredictReply &reply) : reply_(reply) {}
+  ~ServingReply() = default;
 
   size_t size() const override;
   inference::InferTensorBase *operator[](size_t index) override;
@@ -89,6 +92,7 @@ class ServingReply : public inference::ReplyBase {
 class ServingImagesRequest : public inference::ImagesRequestBase {
  public:
   explicit ServingImagesRequest(const ms_serving::PredictRequest &request);
+  ~ServingImagesRequest() = default;
 
   size_t size() const override;
   const inference::InferImagesBase *operator[](size_t index) const override;
diff --git a/serving/core/util/option_parser.cc b/serving/core/util/option_parser.cc
index b460ea7857b..83976655fa2 100644
--- a/serving/core/util/option_parser.cc
+++ b/serving/core/util/option_parser.cc
@@ -29,13 +29,13 @@ bool StartWith(const std::string &str, const std::string &expected) {
          (str.size() >= expected.size() && memcmp(str.data(), expected.data(), expected.size()) == 0);
 }
 
-bool RemovePrefix(std::string *str, const std::string &prefix) {
+bool RemovePrefix(std::string *const str, const std::string &prefix) {
   if (!StartWith(*str, prefix)) return false;
   str->replace(str->begin(), str->begin() + prefix.size(), "");
   return true;
 }
 
-bool Option::ParseInt32(std::string *arg) {
+bool Option::ParseInt32(std::string *const arg) {
   if (RemovePrefix(arg, "--") && RemovePrefix(arg, name_) && RemovePrefix(arg, "=")) {
     int32_t parsed_value;
     try {
@@ -50,7 +50,7 @@ bool Option::ParseInt32(std::string *arg) {
   return false;
 }
 
-bool Option::ParseBool(std::string *arg) {
+bool Option::ParseBool(std::string *const arg) {
   if (RemovePrefix(arg, "--") && RemovePrefix(arg, name_) && RemovePrefix(arg, "=")) {
     if (*arg == "true") {
       *bool_default_ = true;
@@ -66,7 +66,7 @@ bool Option::ParseBool(std::string *arg) {
   return false;
 }
 
-bool Option::ParseString(std::string *arg) {
+bool Option::ParseString(std::string *const arg) {
   if (RemovePrefix(arg, "--") && RemovePrefix(arg, name_) && RemovePrefix(arg, "=")) {
     *string_default_ = *arg;
     return true;
@@ -74,7 +74,7 @@ bool Option::ParseString(std::string *arg) {
   return false;
 }
 
-bool Option::ParseFloat(std::string *arg) {
+bool Option::ParseFloat(std::string *const arg) {
   if (RemovePrefix(arg, "--") && RemovePrefix(arg, name_) && RemovePrefix(arg, "=")) {
     float parsed_value;
     try {
@@ -89,7 +89,7 @@ bool Option::ParseFloat(std::string *arg) {
   return false;
 }
 
-Option::Option(const std::string &name, int32_t *default_point, const std::string &usage)
+Option::Option(const std::string &name, int32_t *const default_point, const std::string &usage)
     : name_(name),
       type_(MS_TYPE_INT32),
       int32_default_(default_point),
@@ -98,7 +98,7 @@ Option::Option(const std::string &name, int32_t *default_point, const std::strin
       float_default_(nullptr),
       usage_(usage) {}
 
-Option::Option(const std::string &name, bool *default_point, const std::string &usage)
+Option::Option(const std::string &name, bool *const default_point, const std::string &usage)
     : name_(name),
       type_(MS_TYPE_BOOL),
       int32_default_(nullptr),
@@ -107,7 +107,7 @@ Option::Option(const std::string &name, bool *default_point, const std::string &
       float_default_(nullptr),
       usage_(usage) {}
 
-Option::Option(const std::string &name, std::string *default_point, const std::string &usage)
+Option::Option(const std::string &name, std::string *const default_point, const std::string &usage)
     : name_(name),
       type_(MS_TYPE_STRING),
       int32_default_(nullptr),
@@ -116,7 +116,7 @@ Option::Option(const std::string &name, std::string *default_point, const std::s
       float_default_(nullptr),
       usage_(usage) {}
 
-Option::Option(const std::string &name, float *default_point, const std::string &usage)
+Option::Option(const std::string &name, float *const default_point, const std::string &usage)
     : name_(name),
       type_(MS_TYPE_FLOAT),
       int32_default_(nullptr),
@@ -125,7 +125,7 @@ Option::Option(const std::string &name, float *default_point, const std::string
       float_default_(default_point),
       usage_(usage) {}
 
-bool Option::Parse(std::string *arg) {
+bool Option::Parse(std::string *const arg) {
   bool result = false;
   switch (type_) {
     case MS_TYPE_BOOL:
diff --git a/serving/example/cpp_client/ms_client.cc b/serving/example/cpp_client/ms_client.cc
index 8c82977008c..0154a2553c7 100644
--- a/serving/example/cpp_client/ms_client.cc
+++ b/serving/example/cpp_client/ms_client.cc
@@ -93,7 +93,7 @@ int main(int argc, char **argv) {
     size_t start_pos = arg_val.find(arg_target_str);
     if (start_pos != std::string::npos) {
       start_pos += arg_target_str.size();
-      if (arg_val[start_pos] == '=') {
+      if (start_pos < arg_val.size() && arg_val[start_pos] == '=') {
         target_str = arg_val.substr(start_pos + 1);
       } else {
         std::cout << "The only correct argument syntax is --target=" << std::endl;