diff --git a/mindspore/ccsrc/pipeline/pipeline.cc b/mindspore/ccsrc/pipeline/pipeline.cc
index 5b5cae4044589aa93f41d69a166c296d9c5cc69d..fca105d13c1e60cb54d54a080a65de9a149df338 100644
--- a/mindspore/ccsrc/pipeline/pipeline.cc
+++ b/mindspore/ccsrc/pipeline/pipeline.cc
@@ -584,7 +584,7 @@ void ExecutorPy::ProcessVmArg(const py::tuple &args, const std::string &phase, V
     if (ms_context->backend_policy() == kMsConvert && py::isinstance<py::array>(arg)) {
       MS_LOG(EXCEPTION) << "Args[" << i << "] is numpy array, not tensor";
     }
-    (*arg_list).push_back(arg);
+    arg_list->push_back(arg);
   }
 
   ResourcePtr res = GetResource(phase);
diff --git a/mindspore/ccsrc/pipeline/pipeline_ge.cc b/mindspore/ccsrc/pipeline/pipeline_ge.cc
index e3b10b73b0aed15a4ba9e89ef0d7792588cc24f8..1da85b56995e191cc426d2414a423cb61bbbf726 100644
--- a/mindspore/ccsrc/pipeline/pipeline_ge.cc
+++ b/mindspore/ccsrc/pipeline/pipeline_ge.cc
@@ -462,7 +462,7 @@ void ProcessGeArg(const std::map<std::string, ExecutorInfoPtr> &info, const py::
         MS_LOG(EXCEPTION) << "Args convert error";
       }
       if (converted->isa<tensor::Tensor>()) {
-        (*inputs).push_back(converted->cast<tensor::TensorPtr>());
+        inputs->push_back(converted->cast<tensor::TensorPtr>());
       } else {
         MS_LOG(EXCEPTION) << "Args " << converted->ToString() << " is not tensor";
       }
diff --git a/mindspore/ccsrc/utils/contract.h b/mindspore/ccsrc/utils/contract.h
index fc257b3e242397d29b6cc615ac56129f825af9d6..6ef99282418ed16413eb78438b4540fc3ccb069d 100644
--- a/mindspore/ccsrc/utils/contract.h
+++ b/mindspore/ccsrc/utils/contract.h
@@ -28,6 +28,7 @@ class ContractError : public std::logic_error {
  public:
   explicit ContractError(const std::string &msg) : std::logic_error(msg) {}
   explicit ContractError(const char *msg) : std::logic_error(msg) {}
+  ~ContractError() override = default;
 };
 
 struct Signatory {
@@ -60,6 +61,7 @@ class Ensures : public EnsuresAccess<T, R> {
   }
   template <class O, typename = std::enable_if_t<std::is_convertible_v<O, T>>>
   Ensures(const Ensures<O, R> &other) : value_(other.get()) {}
+  ~Ensures() = default;
 
   T get() const { return value_; }
   T &get() { return value_; }
diff --git a/mindspore/ccsrc/utils/profile.cc b/mindspore/ccsrc/utils/profile.cc
index 997cc1b56da522767b7adeb6e9538c38bc18b723..e9e7920e0ca541fc5dafda804dcfb0d41f6c3c20 100644
--- a/mindspore/ccsrc/utils/profile.cc
+++ b/mindspore/ccsrc/utils/profile.cc
@@ -38,26 +38,32 @@ void PrintProfile(std::ostringstream &oss, const TimeInfo &time_info, int indent
 
 void PrintTimeInfoMap(std::ostringstream &oss, const TimeInfoMap &dict, int indent = 0,
                       std::map<std::string, double> *sums = nullptr, const std::string &prefix = "") {
-  for (auto iter = dict.begin(); iter != dict.end(); ++iter) {
-    if (iter->second == nullptr) {
+  size_t count = 0;
+  for (const auto &iter : dict) {
+    count++;
+    if (iter.second == nullptr) {
       continue;
     }
     // indent by multiples of 4 spaces.
-    auto name = iter->first.substr(TIME_INFO_PREFIX_NUM_LEN);
+    if (iter.first.size() < TIME_INFO_PREFIX_NUM_LEN) {
+      MS_LOG(EXCEPTION) << "In TimeInfoMap, the " << count << "th string key is " << iter.first
+                        << ", but the length is less than " << TIME_INFO_PREFIX_NUM_LEN;
+    }
+    auto name = iter.first.substr(TIME_INFO_PREFIX_NUM_LEN);
     oss << std::setw(indent * 4) << ""
-        << "[" << name << "]: " << iter->second->time_;
-    if (iter->second->dict_ != nullptr) {
-      oss << ", [" << iter->second->dict_->size() << "]";
+        << "[" << name << "]: " << iter.second->time_;
+    if (iter.second->dict_ != nullptr) {
+      oss << ", [" << iter.second->dict_->size() << "]";
     }
     oss << "\n";
 
     std::string newPrefix = prefix;
-    if (iter->first.find("Cycle ") == std::string::npos) {
-      newPrefix = prefix.empty() ? iter->first : prefix + "." + iter->first;
+    if (iter.first.find("Cycle ") == std::string::npos) {
+      newPrefix = prefix.empty() ? iter.first : prefix + "." + iter.first;
     }
-    PrintProfile(oss, *iter->second, indent + 1, sums, newPrefix);
-    if (iter->second->dict_ == nullptr) {
-      (*sums)[newPrefix] += iter->second->time_;
+    PrintProfile(oss, *iter.second, indent + 1, sums, newPrefix);
+    if (iter.second->dict_ == nullptr) {
+      (*sums)[newPrefix] += iter.second->time_;
     }
   }
 }