diff --git a/mindspore/ccsrc/gvar/logging_level.cc b/mindspore/ccsrc/gvar/logging_level.cc
index 158c5c8ce0..688e6ddcb8 100644
--- a/mindspore/ccsrc/gvar/logging_level.cc
+++ b/mindspore/ccsrc/gvar/logging_level.cc
@@ -17,8 +17,6 @@
 #include "utils/log_adapter.h"
 
 namespace mindspore {
-
 // set default log level to WARNING for all sub modules
 int g_ms_submodule_log_levels[NUM_SUBMODUES] = {WARNING};
-
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/ir/anf_extends.cc b/mindspore/ccsrc/ir/anf_extends.cc
index 2dd1a6e2f4..51b4ed28e6 100644
--- a/mindspore/ccsrc/ir/anf_extends.cc
+++ b/mindspore/ccsrc/ir/anf_extends.cc
@@ -99,5 +99,4 @@ std::string CNode::fullname_with_scope() {
 void CNode::accept(AnfVisitor *v) { v->Visit(shared_from_base<CNode>()); }
 void ValueNode::accept(AnfVisitor *v) { v->Visit(shared_from_base<ValueNode>()); }
 void Parameter::accept(AnfVisitor *v) { v->Visit(shared_from_base<Parameter>()); }
-
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/optimizer/irpass/arithmetic_simplify.h b/mindspore/ccsrc/optimizer/irpass/arithmetic_simplify.h
index a12ba9128c..b33b4c613d 100644
--- a/mindspore/ccsrc/optimizer/irpass/arithmetic_simplify.h
+++ b/mindspore/ccsrc/optimizer/irpass/arithmetic_simplify.h
@@ -275,7 +275,6 @@ class AdjustAllReduceMulAdd : public AnfVisitor {
     // If has dynamic loss scale.
     auto &users_map = fg->manager()->node_users();
     auto it = users_map.find(mul_cnode_);
-
     if (it != users_map.end()) {
       auto users = it->second;
       for (auto &user_pair : users) {
diff --git a/mindspore/ccsrc/optimizer/opt.cc b/mindspore/ccsrc/optimizer/opt.cc
index 069c9d8ddd..96b9d28f9b 100644
--- a/mindspore/ccsrc/optimizer/opt.cc
+++ b/mindspore/ccsrc/optimizer/opt.cc
@@ -92,15 +92,12 @@ inline bool isTraversable(const AnfNodePtr &node) {
   if (node == nullptr) {
     return false;
   }
-
   if (node->isa<CNode>() || node->isa<Parameter>()) {
     return true;
   }
-
   if (IsValueNode<FuncGraph>(node) || IsValueNode<RefKey>(node)) {
     return true;
   }
-
   return false;
 }
 
diff --git a/mindspore/ccsrc/pipeline/action.cc b/mindspore/ccsrc/pipeline/action.cc
index 59a10afad4..75f9f76db4 100644
--- a/mindspore/ccsrc/pipeline/action.cc
+++ b/mindspore/ccsrc/pipeline/action.cc
@@ -287,7 +287,7 @@ static bool IsCtrlSink() {
     return false;
   }
 
-  char *enable_ctrl_sink = std::getenv("ENABLE_CTRL_SINK");
+  const char *enable_ctrl_sink = std::getenv("ENABLE_CTRL_SINK");
   if (enable_ctrl_sink == nullptr) {
     return false;
   }
diff --git a/mindspore/ccsrc/utils/contract.h b/mindspore/ccsrc/utils/contract.h
index bffcb06e89..2b0a93abec 100644
--- a/mindspore/ccsrc/utils/contract.h
+++ b/mindspore/ccsrc/utils/contract.h
@@ -63,12 +63,11 @@ class Ensures : public EnsuresAccess<T, R> {
   Ensures(const Ensures<O, R> &other) : value_(other.get()) {}
   ~Ensures() = default;
 
-  T get() const { return value_; }
+  const T get() const { return value_; }
   T &get() { return value_; }
 
-  operator T() const { return value_; }
+  operator const T() const { return value_; }
 
- private:
   T value_;
 };
 
diff --git a/mindspore/ccsrc/utils/tensorprint_utils.cc b/mindspore/ccsrc/utils/tensorprint_utils.cc
index 215f8f49ae..b34944cf21 100644
--- a/mindspore/ccsrc/utils/tensorprint_utils.cc
+++ b/mindspore/ccsrc/utils/tensorprint_utils.cc
@@ -86,7 +86,7 @@ bool PrintTensorToString(const char *str_data_ptr, mindspore::tensor::Tensor *co
 }
 
 template <typename T>
-void PrintScalarToString(const char *str_data_ptr, const string &tensor_type, std::ostringstream *buf) {
+void PrintScalarToString(const char *str_data_ptr, const string &tensor_type, std::ostringstream *const buf) {
   MS_EXCEPTION_IF_NULL(str_data_ptr);
   MS_EXCEPTION_IF_NULL(buf);
   const T *data_ptr = reinterpret_cast<const T *>(str_data_ptr);
@@ -95,7 +95,7 @@ void PrintScalarToString(const char *str_data_ptr, const string &tensor_type, st
   *buf << *data_ptr << "\n";
 }
 
-void PrintScalarToBoolString(const char *str_data_ptr, const string &tensor_type, std::ostringstream *buf) {
+void PrintScalarToBoolString(const char *str_data_ptr, const string &tensor_type, std::ostringstream *const buf) {
   MS_EXCEPTION_IF_NULL(str_data_ptr);
   MS_EXCEPTION_IF_NULL(buf);
   const bool *data_ptr = reinterpret_cast<const bool *>(str_data_ptr);
@@ -108,7 +108,7 @@ void PrintScalarToBoolString(const char *str_data_ptr, const string &tensor_type
   }
 }
 
-void convertDataItem2Scalar(const char *str_data_ptr, const string &tensor_type, std::ostringstream *buf) {
+void convertDataItem2Scalar(const char *str_data_ptr, const string &tensor_type, std::ostringstream *const buf) {
   MS_EXCEPTION_IF_NULL(str_data_ptr);
   MS_EXCEPTION_IF_NULL(buf);
   auto type_iter = print_type_map.find(tensor_type);