diff --git a/mindspore/ccsrc/common/debug/anf_ir_dump.cc b/mindspore/ccsrc/common/debug/anf_ir_dump.cc
index be52819da59..5c0b7093d92 100644
--- a/mindspore/ccsrc/common/debug/anf_ir_dump.cc
+++ b/mindspore/ccsrc/common/debug/anf_ir_dump.cc
@@ -218,7 +218,6 @@ void DumpOperator(const AnfNodePtr &node, const std::shared_ptr<SubGraphIRInfo>
   auto cnode = dyn_cast<CNode>(node);
   if (cnode == nullptr) {
     MS_LOG(EXCEPTION) << "Parameter \'node\' should be a CNode";
-    return;
   }
   AnfNodePtr op = cnode->input(0);
   MS_EXCEPTION_IF_NULL(op);
diff --git a/mindspore/ccsrc/cxx_api/graph/ascend/ascend_graph_impl.cc b/mindspore/ccsrc/cxx_api/graph/ascend/ascend_graph_impl.cc
index 61245523d29..2545aa22ca7 100644
--- a/mindspore/ccsrc/cxx_api/graph/ascend/ascend_graph_impl.cc
+++ b/mindspore/ccsrc/cxx_api/graph/ascend/ascend_graph_impl.cc
@@ -33,8 +33,8 @@ namespace mindspore {
 namespace {
 API_FACTORY_REG(GraphCell::GraphImpl, AscendGraphImpl);
 
-constexpr const char *kHcclEnable = "MS_ENABLE_HCCL";
-constexpr const char *kHcclGroupFile = "PARA_GROUP_FILE";
+constexpr auto kHcclEnable = "MS_ENABLE_HCCL";
+constexpr auto kHcclGroupFile = "PARA_GROUP_FILE";
 
 void InitHccl() {
   auto ms_context = MsContext::GetInstance();
diff --git a/mindspore/ccsrc/include/common/debug/common.h b/mindspore/ccsrc/include/common/debug/common.h
index ff79c74f10d..5f8b68fa8fa 100644
--- a/mindspore/ccsrc/include/common/debug/common.h
+++ b/mindspore/ccsrc/include/common/debug/common.h
@@ -47,13 +47,13 @@ class COMMON_EXPORT Common {
   static bool FileExists(const std::string &filepath);
   static bool CommonFuncForConfigPath(const std::string &default_path, const std::string &env_path, std::string *value);
   static std::string GetCompilerCachePath();
+  static std::string GetUserDefineCachePath();
   static bool GetDebugTerminate();
   static bool GetDebugExitSuccess();
   static void DebugTerminate(bool val, bool exit_success);
 
  private:
   static bool IsEveryFilenameValid(const std::string &path, size_t length_limit, const std::string &error_message);
-  static std::string GetUserDefineCachePath();
 
   inline static bool debugger_terminate_ = false;
   inline static bool exit_success_ = false;
diff --git a/mindspore/ccsrc/kernel/common_utils.cc b/mindspore/ccsrc/kernel/common_utils.cc
index a66062c14ec..05babef1024 100644
--- a/mindspore/ccsrc/kernel/common_utils.cc
+++ b/mindspore/ccsrc/kernel/common_utils.cc
@@ -146,23 +146,7 @@ FusionType GetFusionTypeByName(const std::string &name) {
   return iter->first;
 }
 
-std::string GetCompilerCachePath() {
-  static std::string config_path = "";
-  if (config_path != "") {
-    return config_path;
-  }
-  const char *value = ::getenv(kCOMPILER_CACHE_PATH);
-  if (value == nullptr) {
-    config_path = "./";
-  } else {
-    config_path = std::string(value);
-    (void)FileUtils::CreateNotExistDirs(config_path);
-    if (config_path[config_path.length() - 1] != '/') {
-      config_path += "/";
-    }
-  }
-  return config_path;
-}
+std::string GetCompilerCachePath() { return Common::GetUserDefineCachePath(); }
 
 void KernelMeta::Initialize() {
   auto config_path = GetCompilerCachePath();
@@ -1003,12 +987,12 @@ size_t UnitSizeInBytes(const mindspore::TypeId &t) {
 }
 
 KernelAttr &KernelAttr::AddInputAttr(const TypeId &ms_type, const std::string &format) {
-  input_type_.emplace_back(ms_type, format);
+  (void)input_type_.emplace_back(ms_type, format);
   return *this;
 }
 
 KernelAttr &KernelAttr::AddOutputAttr(const TypeId &ms_type, const std::string &format) {
-  output_type_.emplace_back(ms_type, format);
+  (void)output_type_.emplace_back(ms_type, format);
   return *this;
 }
 
@@ -1106,10 +1090,10 @@ KernelAttr GetKernelAttrFromBuildInfo(const KernelBuildInfoPtr &build_info) {
   MS_EXCEPTION_IF_NULL(build_info);
   KernelAttr kernel_attr;
   for (size_t i = 0; i < build_info->GetInputNum(); i++) {
-    kernel_attr.AddInputAttr(build_info->GetInputDeviceType(i), build_info->GetInputFormat(i));
+    (void)kernel_attr.AddInputAttr(build_info->GetInputDeviceType(i), build_info->GetInputFormat(i));
   }
   for (size_t j = 0; j < build_info->GetOutputNum(); j++) {
-    kernel_attr.AddOutputAttr(build_info->GetOutputDeviceType(j), build_info->GetOutputFormat(j));
+    (void)kernel_attr.AddOutputAttr(build_info->GetOutputDeviceType(j), build_info->GetOutputFormat(j));
   }
   return kernel_attr;
 }
diff --git a/mindspore/ccsrc/kernel/kernel_build_info.cc b/mindspore/ccsrc/kernel/kernel_build_info.cc
index 58fc110f2fe..90c1e3b2c43 100644
--- a/mindspore/ccsrc/kernel/kernel_build_info.cc
+++ b/mindspore/ccsrc/kernel/kernel_build_info.cc
@@ -91,8 +91,9 @@ size_t KernelBuildInfo::GetInputNum() const { return inputs_format_.size(); }
 size_t KernelBuildInfo::GetOutputNum() const { return outputs_format_.size(); }
 
 size_t KernelBuildInfo::GetOutputNumWithoutMonad() const {
-  return std::count_if(outputs_device_type_.begin(), outputs_device_type_.end(),
-                       [](TypeId type) { return type != TypeId::kObjectTypeUMonad; });
+  const auto count = std::count_if(outputs_device_type_.begin(), outputs_device_type_.end(),
+                                   [](TypeId type) { return type != TypeId::kObjectTypeUMonad; });
+  return static_cast<size_t>(count);
 }
 
 std::string KernelBuildInfo::GetInputReshapeType(size_t input_index) const {
diff --git a/mindspore/ccsrc/kernel/kernel_fusion.h b/mindspore/ccsrc/kernel/kernel_fusion.h
index 4979db9afb4..deb81550395 100644
--- a/mindspore/ccsrc/kernel/kernel_fusion.h
+++ b/mindspore/ccsrc/kernel/kernel_fusion.h
@@ -27,11 +27,11 @@ namespace kernel {
  * @brief fuse op and return a callable mod
  */
 struct FusionScopeInfo {
-  FusionScopeInfo(int64_t id, const std::string &f_name, std::string core_type, std::vector<AnfNodePtr> in,
+  FusionScopeInfo(int64_t id, std::string f_name, std::string core_type, std::vector<AnfNodePtr> in,
                   std::vector<AnfNodePtr> comp, std::vector<AnfNodePtr> out)
       : scope_id(id),
-        full_name(f_name),
-        core_type(core_type),
+        full_name(std::move(f_name)),
+        core_type(std::move(core_type)),
         input_nodes(std::move(in)),
         compute_nodes(std::move(comp)),
         output_nodes(std::move(out)) {}