diff --git a/mindspore/ccsrc/backend/session/ascend_session.cc b/mindspore/ccsrc/backend/session/ascend_session.cc
index f87ceb47fff..e7ee0c2eb04 100644
--- a/mindspore/ccsrc/backend/session/ascend_session.cc
+++ b/mindspore/ccsrc/backend/session/ascend_session.cc
@@ -659,7 +659,7 @@ void AscendSession::CompileChildGraph(const KernelGraphPtr &child_graph) {
 bool AscendSession::IsSupportSummary() { return !device::KernelAdjust::NeedInsertSwitch(); }
 
 void AscendSession::PreExecuteGraph(const std::shared_ptr<KernelGraph> &kernel_graph,
-                                    const std::vector<tensor::TensorPtr> &inputs, VectorRef *const outputs) {
+                                    const std::vector<tensor::TensorPtr> &inputs, VectorRef *const) {
   if (debugger_) {
     debugger_->PreExecute(kernel_graph, graph_sum_);
   }
@@ -674,7 +674,7 @@ void AscendSession::PreExecuteGraph(const std::shared_ptr<KernelGraph> &kernel_g
 }
 
 void AscendSession::PostExecuteGraph(const std::shared_ptr<KernelGraph> &kernel_graph,
-                                     const std::vector<tensor::TensorPtr> &inputs, VectorRef *const outputs) {
+                                     const std::vector<tensor::TensorPtr> &inputs, VectorRef *const) {
   // summary
   Summary(kernel_graph.get());
   // load tensor from device for debugger
diff --git a/mindspore/ccsrc/backend/session/executor.cc b/mindspore/ccsrc/backend/session/executor.cc
index 3dccb80e085..b275a1a657e 100644
--- a/mindspore/ccsrc/backend/session/executor.cc
+++ b/mindspore/ccsrc/backend/session/executor.cc
@@ -17,6 +17,7 @@
 #include "backend/session/executor_manager.h"
 #include <algorithm>
 #include <exception>
+#include <set>
 #include "runtime/device/kernel_runtime_manager.h"
 #include "utils/comm_manager.h"
 #include "utils/scoped_long_running.h"
@@ -168,7 +169,13 @@ Executor::Executor(const std::string &device_name, uint32_t device_id) {
   worker_ = std::make_shared<std::thread>(&Executor::WorkerLoop, this);
 }
 
-Executor::~Executor() { WorkerJoin(); }
+Executor::~Executor() {
+  try {
+    WorkerJoin();
+  } catch (const std::exception &e) {
+    MS_LOG(ERROR) << "Executor call destructor failed: " << e.what();
+  }
+}
 
 void Executor::WorkerJoin() {
   // Avoid worker thread join itself which will cause deadlock
@@ -220,7 +227,7 @@ std::vector<std::shared_ptr<RunGraphTask>> Executor::GetReadyTasksFromPendingLis
   for (auto iter = pending_tasks_.begin(); iter != pending_tasks_.end();) {
     auto task = *iter;
     if (IsTaskReady(task)) {
-      ready_tasks.emplace_back(task);
+      (void)ready_tasks.emplace_back(task);
       pending_tasks_.erase(iter++);
     } else {
       ++iter;
@@ -249,13 +256,13 @@ void Executor::OnException() {
   {
     std::lock_guard<std::mutex> lock(task_mutex_);
     while (!ready_tasks_.empty()) {
-      done_tasks.emplace_back(ready_tasks_.front());
+      (void)done_tasks.emplace_back(ready_tasks_.front());
       ready_tasks_.pop();
     }
   }
   {
     std::lock_guard<std::mutex> lock(pending_task_mutex_);
-    std::copy(pending_tasks_.begin(), pending_tasks_.end(), std::back_inserter(done_tasks));
+    (void)std::copy(pending_tasks_.begin(), pending_tasks_.end(), std::back_inserter(done_tasks));
     pending_tasks_.clear();
   }
   {
@@ -429,7 +436,7 @@ void Executor::RunOpsInGraph(const SessionPtr &session, const GraphId &graph_id,
   *outputs = task->outputs_;
 }
 
-bool Executor::CreateCommGroup(const std::string &group_name, std::vector<uint32_t> ranks) {
+bool Executor::CreateCommGroup(const std::string &group_name, const std::vector<uint32_t> &ranks) {
   auto task = std::make_shared<CreateCommGroupTask>();
   task->group_name_ = group_name;
   task->ranks_ = ranks;
diff --git a/mindspore/ccsrc/backend/session/executor.h b/mindspore/ccsrc/backend/session/executor.h
index c89ad81abee..3e32f0af1cf 100644
--- a/mindspore/ccsrc/backend/session/executor.h
+++ b/mindspore/ccsrc/backend/session/executor.h
@@ -166,7 +166,7 @@ class Executor {
              const std::vector<int64_t> &tensors_mask);
   void RunOpsInGraph(const SessionPtr &session, const GraphId &graph_id, const std::vector<tensor::TensorPtr> &inputs,
                      VectorRef *outputs);
-  bool CreateCommGroup(const std::string &group_name, std::vector<uint32_t> ranks);
+  bool CreateCommGroup(const std::string &group_name, const std::vector<uint32_t> &ranks);
   bool DestroyCommGroup(const std::string &group_name);
   void OnEvent(const ExecutorEvent &event);
 
diff --git a/mindspore/ccsrc/backend/session/executor_manager.cc b/mindspore/ccsrc/backend/session/executor_manager.cc
index d4e01a2bdd4..c9601650ec8 100644
--- a/mindspore/ccsrc/backend/session/executor_manager.cc
+++ b/mindspore/ccsrc/backend/session/executor_manager.cc
@@ -17,7 +17,7 @@
 #include "common/thread_pool.h"
 namespace mindspore {
 namespace session {
-std::shared_ptr<Executor> ExecutorManager::GetExecutor(const std::string &device_name, int device_id) {
+std::shared_ptr<Executor> ExecutorManager::GetExecutor(const std::string &device_name, uint32_t device_id) {
   std::string device_key = device_name + "_" + std::to_string(device_id);
   auto iter = executors_.find(device_key);
   if (iter != executors_.end()) {
diff --git a/mindspore/ccsrc/backend/session/executor_manager.h b/mindspore/ccsrc/backend/session/executor_manager.h
index 9d1cbaa0951..c5a897fee3a 100644
--- a/mindspore/ccsrc/backend/session/executor_manager.h
+++ b/mindspore/ccsrc/backend/session/executor_manager.h
@@ -29,7 +29,7 @@ class ExecutorManager {
     static ExecutorManager instance;
     return instance;
   }
-  std::shared_ptr<Executor> GetExecutor(const std::string &device_name, int device_id);
+  std::shared_ptr<Executor> GetExecutor(const std::string &device_name, uint32_t device_id);
   void OnEvent(const ExecutorEvent &event);
   void Clear();
 
diff --git a/mindspore/ccsrc/backend/session/kernel_build_client.cc b/mindspore/ccsrc/backend/session/kernel_build_client.cc
index 9e5b0e5e547..5cdf0f6c5fb 100644
--- a/mindspore/ccsrc/backend/session/kernel_build_client.cc
+++ b/mindspore/ccsrc/backend/session/kernel_build_client.cc
@@ -76,9 +76,9 @@ bool KernelBuildClient::AkgWait() {
   return true;
 }
 
-bool AscendKernelBuildClient::TbePre(const std::string &mode) {
+void AscendKernelBuildClient::TbePre(const std::string &mode) {
   auto res = SendRequest(kTbePre);
-  if (res.find(kSuccess) == res.npos) {
+  if (res.find(kSuccess) == std::string::npos) {
     MS_LOG(EXCEPTION) << "PRE failed, res: " << res;
   }
   MS_LOG(INFO) << "Pre " << res;
@@ -91,15 +91,11 @@ bool AscendKernelBuildClient::TbePre(const std::string &mode) {
   if (res != kSuccess) {
     MS_LOG(EXCEPTION) << "PRE failed, res: " << res;
   }
-
-  return true;
 }
 
 int AscendKernelBuildClient::TbeStart(const std::string &json, const std::string &mode) {
   if (!init_flag) {
-    if (!TbePre(mode)) {
-      MS_LOG(EXCEPTION) << "START failed";
-    }
+    TbePre(mode);
     init_flag = true;
   }
   // Start compiling..
diff --git a/mindspore/ccsrc/backend/session/kernel_build_client.h b/mindspore/ccsrc/backend/session/kernel_build_client.h
index 16b69d11a6c..b722848eb8f 100644
--- a/mindspore/ccsrc/backend/session/kernel_build_client.h
+++ b/mindspore/ccsrc/backend/session/kernel_build_client.h
@@ -239,7 +239,7 @@ class AscendKernelBuildClient : public KernelBuildClient {
   AscendKernelBuildClient &operator=(AscendKernelBuildClient &&) = delete;
 
  private:
-  bool TbePre(const std::string &mode);
+  void TbePre(const std::string &mode);
   AscendKernelBuildClient() { Open(); }
   ~AscendKernelBuildClient() override { Close(); }
 };
diff --git a/mindspore/ccsrc/backend/session/kernel_graph.cc b/mindspore/ccsrc/backend/session/kernel_graph.cc
index 94cffd67780..1e186b2a3be 100644
--- a/mindspore/ccsrc/backend/session/kernel_graph.cc
+++ b/mindspore/ccsrc/backend/session/kernel_graph.cc
@@ -18,6 +18,7 @@
 #include <queue>
 #include <unordered_set>
 #include <set>
+#include <exception>
 #include "base/core_ops.h"
 #include "ir/param_info.h"
 #include "utils/utils.h"
@@ -831,18 +832,6 @@ std::vector<AnfNodePtr> KernelGraph::GetOutputNodes(const AnfNodePtr &node) {
   return output_nodes;
 }
 
-void KernelGraph::UpdateNodeInputOutputEdges(const std::vector<AnfNodePtr> &real_prior_nodes,
-                                             const std::vector<AnfNodePtr> &real_depend_nodes) {
-  for (auto &first_node : real_prior_nodes) {
-    for (auto &second_node : real_depend_nodes) {
-      MS_EXCEPTION_IF_NULL(first_node);
-      MS_EXCEPTION_IF_NULL(second_node);
-      MS_LOG(DEBUG) << "Add first node:" << first_node->DebugString() << ",second node:" << second_node->DebugString();
-      AddDependEdge(second_node, first_node, 1);
-    }
-  }
-}
-
 void KernelGraph::UpdateNodeEdgeList(std::queue<AnfNodePtr> *seed_nodes) {
   MS_EXCEPTION_IF_NULL(seed_nodes);
   node_output_edges_.clear();
@@ -1275,8 +1264,12 @@ void KernelGraph::SetOptimizerFlag() {
 std::string KernelGraph::ToString() const { return std::string("kernel_graph_").append(std::to_string(graph_id_)); }
 
 KernelGraph::~KernelGraph() {
-  device::KernelRuntimeManager::Instance().ClearGraphResource(graph_id_, *inputs_, graph_value_nodes_,
-                                                              execution_order_);
+  try {
+    device::KernelRuntimeManager::Instance().ClearGraphResource(graph_id_, *inputs_, graph_value_nodes_,
+                                                                execution_order_);
+  } catch (const std::exception &e) {
+    MS_LOG(ERROR) << "KernelGraph call destructor failed: " << e.what();
+  }
 }
 }  // namespace session
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/backend/session/kernel_graph.h b/mindspore/ccsrc/backend/session/kernel_graph.h
index 59f9bdc740b..bdceb20f83e 100644
--- a/mindspore/ccsrc/backend/session/kernel_graph.h
+++ b/mindspore/ccsrc/backend/session/kernel_graph.h
@@ -326,8 +326,6 @@ class KernelGraph : public FuncGraph {
   void UpdateNodeEdgeList(std::queue<AnfNodePtr> *seed_nodes);
   // add node depend edge by data edge
   void AddDependEdge(const AnfNodePtr &node, const AnfNodePtr &input, size_t depend_edge_num);
-  void UpdateNodeInputOutputEdges(const std::vector<AnfNodePtr> &real_prior_nodes,
-                                  const std::vector<AnfNodePtr> &real_depend_nodes);
   std::vector<AnfNodePtr> GetOutputNodes(const AnfNodePtr &node);
   AnfNodePtr TransValueNodeTuple(const AbstractBasePtr abstract, const ValuePtr &value);
   AnfNodePtr TransParameterTuple(const AbstractBasePtr &abstract);
diff --git a/mindspore/ccsrc/backend/session/session_basic.cc b/mindspore/ccsrc/backend/session/session_basic.cc
index d5c4f6959fc..b1b6a8f6940 100644
--- a/mindspore/ccsrc/backend/session/session_basic.cc
+++ b/mindspore/ccsrc/backend/session/session_basic.cc
@@ -1618,7 +1618,6 @@ void SessionBasic::GetModelInputsInfo(uint32_t graph_id, std::vector<tensor::Ten
   MS_EXCEPTION_IF_NULL(inputs);
   MS_EXCEPTION_IF_NULL(inputs_name);
   auto kernel_graph_inputs = kernel_graph->inputs();
-  vector<ParameterPtr> paras;
   // find parameters of graph inputs
   for (size_t i = 0; i < kernel_graph_inputs.size(); ++i) {
     if (!kernel_graph_inputs[i]->isa<Parameter>()) {
diff --git a/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.cc b/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.cc
index 8cb2eaab3c6..2edd737068d 100644
--- a/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.cc
+++ b/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.cc
@@ -17,7 +17,7 @@
 #include "frontend/parallel/parallel_stub/executor_manager_stub.h"
 namespace mindspore {
 namespace parallel {
-std::shared_ptr<Executor> ExecutorManager::GetExecutor(const std::string &dev_name, int dev_id) {
+std::shared_ptr<Executor> ExecutorManager::GetExecutor(const std::string &dev_name, uint32_t dev_id) {
   std::string dev_key = dev_name + "_" + std::to_string(dev_id);
   auto iter = executors_.find(dev_key);
   if (iter != executors_.end()) {
diff --git a/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.h b/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.h
index 6a987d0ba5e..e6bb8803e9e 100644
--- a/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.h
+++ b/mindspore/ccsrc/frontend/parallel/parallel_stub/executor_manager_stub.h
@@ -30,7 +30,7 @@ class ExecutorManager {
     static ExecutorManager instance;
     return instance;
   }
-  std::shared_ptr<Executor> GetExecutor(const std::string &device_name, int device_id);
+  std::shared_ptr<Executor> GetExecutor(const std::string &device_name, uint32_t device_id);
 
  private:
   ExecutorManager() = default;