diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/arithmetic_simplify.cc b/mindspore/ccsrc/backend/optimizer/graph_kernel/arithmetic_simplify.cc
index 29661e6c9f..bfe62a9977 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/arithmetic_simplify.cc
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/arithmetic_simplify.cc
@@ -250,10 +250,10 @@ AnfNodePtr SimplifySelect(const AnfNodePtr &node) {
   return nullptr;
 }
 
-#define PERFORM_REPLACE(OldNode, NewNode, Graph, FLAG) \
-  if ((NewNode) != nullptr) {                          \
-    (Graph)->manager()->Replace((OldNode), (NewNode)); \
-    (FLAG) = true;                                     \
+#define PERFORM_REPLACE(OldNode, NewNode, Graph, FLAG)                    \
+  if ((NewNode) != nullptr) {                                             \
+    static_cast<void>((Graph)->manager()->Replace((OldNode), (NewNode))); \
+    (FLAG) = true;                                                        \
   }
 
 bool TryTransposeToReshape(const AnfNodePtr &node) {
@@ -261,11 +261,11 @@ bool TryTransposeToReshape(const AnfNodePtr &node) {
   auto ori_shape = AnfAlgo::GetPrevNodeOutputInferShape(node, 0);
   std::vector<int64_t> remove_one_perm;
   for (auto idx : perm) {
-    if (idx < 0 || IntToSize(idx) >= ori_shape.size()) {
+    if (idx < 0 || LongToSize(idx) >= ori_shape.size()) {
       MS_EXCEPTION(ValueError);
       return false;
     }
-    if (ori_shape[idx] != 1) {
+    if (ori_shape[LongToSize(idx)] != 1) {
       remove_one_perm.emplace_back(idx);
     }
   }
@@ -540,7 +540,9 @@ void EliminateEmptyGraph(const FuncGraphPtr &func_graph) {
       auto node = cnode->cast<AnfNodePtr>();
       auto new_node = MatchIdentity(node);
       if (new_node != nullptr) {
-        mng->Replace(node, new_node);
+        if (!mng->Replace(node, new_node)) {
+          MS_LOG(EXCEPTION) << "Manager replace node failed in arithmetic simplify";
+        }
       }
     }
   }
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.cc b/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.cc
index eb1de63835..4d196d9a06 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.cc
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.cc
@@ -67,7 +67,7 @@ void SplitNode(const AnfNodePtr &node, const FuncGraphManagerPtr &mng) {
     auto user_node = user->cast<CNodePtr>();
     MS_EXCEPTION_IF_NULL(user_node);
     for (auto index : indices) {
-      user_node->set_input(index, split_nodes[i]);
+      user_node->set_input(IntToSize(index), split_nodes[i]);
     }
     i++;
   }
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.h b/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.h
index 4522e80dec..daac3e69bd 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.h
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/shape_ops_splitter.h
@@ -28,7 +28,7 @@ class ShapeOpsSplitter : public Pass {
   explicit ShapeOpsSplitter(std::vector<PrimitivePtr> shape_ops)
       : Pass("shape_ops_splitter"), shape_ops_(std::move(shape_ops)) {}
   ~ShapeOpsSplitter() override = default;
-  bool Run(const FuncGraphPtr &func_graph);
+  bool Run(const FuncGraphPtr &func_graph) override;
 
  private:
   bool Process(const FuncGraphPtr &func_graph);
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.cc b/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.cc
index d5d8d31bfd..bff80e8776 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.cc
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.cc
@@ -31,7 +31,7 @@
 
 namespace mindspore {
 namespace opt {
-unsigned int SubstituteDropout::seed_ = time(NULL);
+int64_t SubstituteDropout::seed_ = time(nullptr);
 
 const BaseRef SubstituteDropout::DefinePattern() const {
   VarPtr Xs = std::make_shared<Var>();
@@ -72,7 +72,7 @@ const AnfNodePtr SubstituteDropout::Process(const FuncGraphPtr &func_graph, cons
   CNodePtr cnode = node->cast<CNodePtr>();
   MS_EXCEPTION_IF_NULL(cnode);
   CheckCNodeInputSize(cnode, kDropoutInputTensorNum);
-  AbstractBasePtr old_abstract = cnode->abstract()->Clone();
+  auto old_abstract = cnode->abstract()->Clone();
   auto shape = AnfAlgo::GetInputDeviceShape(cnode, 0);
   ShapeVector shape_i64;
   std::transform(shape.begin(), shape.end(), std::back_inserter(shape_i64), [](size_t x) { return SizeToLong(x); });
@@ -98,8 +98,8 @@ const AnfNodePtr SubstituteDropout::Process(const FuncGraphPtr &func_graph, cons
 
   // create new uniform_real_node
   auto uniform_real_node = func_graph->NewCNode(uniform_input);
-  SetNodeAttrSafely("seed", MakeValue(SizeToLong(seed_++)), uniform_real_node);
-  SetNodeAttrSafely("seed2", MakeValue(SizeToLong(seed_++)), uniform_real_node);
+  SetNodeAttrSafely("seed", MakeValue(seed_++), uniform_real_node);
+  SetNodeAttrSafely("seed2", MakeValue(seed_++), uniform_real_node);
   auto uniform_abstract = std::make_shared<abstract::AbstractTensor>(std::make_shared<Float>(32), shape_i64);
   uniform_real_node->set_abstract(uniform_abstract);
   uniform_real_node->set_kernel_info(std::make_shared<device::KernelInfo>());
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.h b/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.h
index 33804e77a4..c686cb65ce 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.h
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/substitute_dropout.h
@@ -28,7 +28,7 @@ class SubstituteDropout : public PatternProcessPass {
   const AnfNodePtr Process(const FuncGraphPtr &, const AnfNodePtr &, const EquivPtr &) const override;
 
  private:
-  static unsigned int seed_;
+  static int64_t seed_;
 };
 }  // namespace opt
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.cc b/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.cc
index 1a4233c3da..070a4b9dd6 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.cc
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.cc
@@ -47,7 +47,9 @@ bool TensorPromotion::Run(const FuncGraphPtr &func_graph) {
     kernel::GetFuncGraphOutputNodes(fg, &outputs);
     auto new_cnode = CreateNewFuseCNode(func_graph, fg, inputs, outputs);
     SetNewKernelInfo(new_cnode, fg, inputs, outputs, AnfAlgo::GetProcessor(node));
-    mng->Replace(node, new_cnode);
+    if (!mng->Replace(node, new_cnode)) {
+      MS_LOG(EXCEPTION) << "Manager replace node failed in tensor promotion";
+    }
     changed = true;
   }
 
diff --git a/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.h b/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.h
index 52523a782d..1286bac49b 100644
--- a/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.h
+++ b/mindspore/ccsrc/backend/optimizer/graph_kernel/tensor_promotion.h
@@ -25,7 +25,7 @@ class TensorPromotion : public Pass {
  public:
   TensorPromotion() : Pass("tensor_promotion") {}
   ~TensorPromotion() override = default;
-  bool Run(const FuncGraphPtr &func_graph);
+  bool Run(const FuncGraphPtr &func_graph) override;
 };
 using TensorPromotionPtr = std::shared_ptr<TensorPromotion>;
 }  // namespace opt