diff --git a/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_build.h b/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_build.h
index dd2bf4fd01..6fe79c6768 100644
--- a/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_build.h
+++ b/mindspore/ccsrc/backend/kernel_compiler/akg/akg_kernel_build.h
@@ -50,7 +50,6 @@ class AkgKernelBuilder {
   bool AkgOpParallelBuild(const std::vector<JsonNodePair> &build_args);
   std::vector<JsonNodePair> repeat_nodes_;
 };
-
 }  // namespace kernel
 }  // namespace mindspore
 
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_cse.cc b/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_cse.cc
index 12ffe5ee75..01c004a06f 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_cse.cc
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_cse.cc
@@ -78,8 +78,8 @@ bool GraphKernelBackendCSE::CheckEqualKernelBuildInfo(const AnfNodePtr &main, co
     return BackendCSE::CheckEqualKernelBuildInfo(main, node);
   }
 
-  auto main_kernel_info = dynamic_cast<device::KernelInfo *>(main->kernel_info());
-  auto node_kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto main_kernel_info = static_cast<device::KernelInfo *>(main->kernel_info());
+  auto node_kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   if (main_kernel_info == nullptr && node_kernel_info == nullptr) {
     return true;
   }
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_helper.cc b/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_helper.cc
index e8b83187ab..6738b031fa 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_helper.cc
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/graph_kernel_helper.cc
@@ -621,7 +621,7 @@ std::vector<PrimitivePtr> GetFusibleOpList() {
 bool CheckProcessor(const AnfNodePtr &node, kernel::Processor processor = kernel::Processor::AICORE) {
   MS_EXCEPTION_IF_NULL(node);
 
-  auto node_kernel_info = dynamic_cast<device::KernelInfo *>(node->kernel_info());
+  auto node_kernel_info = static_cast<device::KernelInfo *>(node->kernel_info());
   if (node_kernel_info == nullptr) {
     return false;
   }
@@ -867,7 +867,6 @@ bool IsKeepBasicNode(const AnfNodePtr &node) {
                                                       "aggregate", "aggregate_input_indexx"};
   static std::vector<std::function<bool(const AnfNodePtr &node)>> attrs_with_value = {
     [](const AnfNodePtr &n) -> bool { return AnfAlgo::GetBooleanAttr(n, "skip"); }};
-
   // If node contain attribute in contagious_attrs, it have to keep basic no matter what the value is.
   // If node contain attribute in attrs_with_value, it only have to keep basic when the check result is true.
   if (std::any_of(contagious_attrs.cbegin(), contagious_attrs.cend(),