diff --git a/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.cc b/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.cc
index 48ddec7577..5ae51db8f6 100644
--- a/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.cc
+++ b/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.cc
@@ -35,7 +35,7 @@ Status CallbackManager::Init() {
 }
 
 Status CallbackManager::CallbackProcess() {
-  std::pair<rtEvent_t, std::pair<rtCallback_t, void *>> entry;
+  std::pair<rtEvent_t, std::pair<rtCallback_t, const void *>> entry;
   while (true) {
     if (!callback_queue_.Pop(&entry)) {
       MS_LOG(INFO) << "CallbackManager stopped";
@@ -84,7 +84,7 @@ Status CallbackManager::Destroy() {
   return ret;
 }
 
-Status CallbackManager::RegisterCallback(rtCallback_t callback, void *user_data) {
+Status CallbackManager::RegisterCallback(rtCallback_t callback, const void *user_data) {
   MS_LOG(INFO) << "To register callback";
   rtEvent_t event = nullptr;
   auto ret = rtEventCreate(&event);
@@ -98,8 +98,8 @@ Status CallbackManager::RegisterCallback(rtCallback_t callback, void *user_data)
     MS_LOG(ERROR) << "Record event failed";
     return kFail;
   }
-  auto cb = std::pair<rtCallback_t, void *>(callback, user_data);
-  auto entry = std::pair<rtEvent_t, std::pair<rtCallback_t, void *>>(event, std::move(cb));
+  auto cb = std::pair<rtCallback_t, const void *>(callback, user_data);
+  auto entry = std::pair<rtEvent_t, std::pair<rtCallback_t, const void *>>(event, std::move(cb));
   if (!callback_queue_.Push(entry)) {
     return kFail;
   }
@@ -108,9 +108,9 @@ Status CallbackManager::RegisterCallback(rtCallback_t callback, void *user_data)
   return kSuccess;
 }
 
-void CallbackManager::RtCallbackFunc(void *data) {
+void CallbackManager::RtCallbackFunc(const void *data) {
   MS_LOG(INFO) << "To invoke callback function";
-  auto callback_func = reinterpret_cast<std::function<void()> *>(data);
+  auto callback_func = reinterpret_cast<const std::function<void()> *>(data);
   (*callback_func)();
   delete callback_func;
 }
diff --git a/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.h b/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.h
index 2084036f3e..9d87f26160 100644
--- a/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.h
+++ b/mindspore/ccsrc/profiler/device/ascend/rt_callback_manager.h
@@ -24,11 +24,10 @@
 #include <utility>
 #include "profiler/device/ascend/blocking_queue.h"
 #include "runtime/base.h"
-
 namespace mindspore {
 namespace profiler {
 namespace ascend {
-using rtCallback_t = std::function<void(void *)>;
+using rtCallback_t = std::function<void(const void *)>;
 enum Status { kSuccess = 0, kFail, kInvalidParam };
 class CallbackManager {
  public:
@@ -45,14 +44,14 @@ class CallbackManager {
 
   Status Destroy();
 
-  Status RegisterCallback(rtCallback_t callback, void *user_data);
+  Status RegisterCallback(rtCallback_t callback, const void *user_data);
   Status RegisterCallback(const std::function<void()> &callback);
 
  private:
   Status CallbackProcess();
-  static void RtCallbackFunc(void *data);
+  static void RtCallbackFunc(const void *data);
 
-  BlockingQueue<std::pair<rtEvent_t, std::pair<rtCallback_t, void *>>> callback_queue_;
+  BlockingQueue<std::pair<rtEvent_t, std::pair<rtCallback_t, const void *>>> callback_queue_;
   rtStream_t stream_;
   std::future<Status> ret_future_;
 };
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc b/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc
index da66d338fb..f7b33b30a9 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.cc
@@ -38,6 +38,7 @@ void AscendStreamAssign::AssignStream(const NotNull<KernelGraphPtr> &graph_ptr)
     Reset();
     SetLoopSink();
     ReorderIndependentOrders(graph_ptr);
+
     AssignAllNodesStream(graph_ptr);
     UpdateAtomicAddrCleanStreamId(graph_ptr);
     InsertStreamActive(graph_ptr);
@@ -1438,19 +1439,19 @@ void AscendStreamAssign::Reset() {
 }
 
 // section 10
-bool AscendStreamAssign::IsVecExist(std::vector<uint32_t> *group) {
-  auto group_size = group->size();
+bool AscendStreamAssign::IsVecExist(const std::vector<uint32_t> &group) {
+  auto group_size = group.size();
   if (group_size == 0) {
     return false;
   }
   for (const auto &item : stream_groups_) {
-    if (item.size() < group->size()) {
+    if (item.size() < group.size()) {
       continue;
     }
 
     bool flag = true;
     for (size_t i = 0; i < group_size; i++) {
-      if (item[i] != group->at(i)) {
+      if (item[i] != group.at(i)) {
         flag = false;
         break;
       }
@@ -1469,7 +1470,7 @@ bool AscendStreamAssign::IsVecExist(std::vector<uint32_t> *group) {
 void AscendStreamAssign::DFS(uint32_t start, std::vector<uint32_t> *group) {
   auto it = stream_relations_.find(start);
   if (it == stream_relations_.end()) {
-    if (!IsVecExist(group)) {
+    if (!IsVecExist(*group)) {
       stream_groups_.emplace_back(*group);
     } else {
       MS_LOG(WARNING) << "DFS find same stream group, Not expected";
@@ -1781,7 +1782,6 @@ void AscendStreamAssign::FindEventRelations(const NotNull<KernelGraphPtr> &graph
     MS_LOG(INFO) << "Event_id:" << AnfAlgo::GetNodeAttr<uint32_t>(item.first, kAttrEventId);
   }
 }
-
 }  // namespace ascend
 }  // namespace device
 }  // namespace mindspore
diff --git a/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.h b/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.h
index 8fc2e9427d..138892073a 100644
--- a/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.h
+++ b/mindspore/ccsrc/runtime/device/ascend/ascend_stream_assign.h
@@ -172,7 +172,7 @@ class AscendStreamAssign {
   // function for memory resue
   void GetStreamRelations();
   void DFS(uint32_t start, std::vector<uint32_t> *group);
-  bool IsVecExist(std::vector<uint32_t> *group);
+  bool IsVecExist(const std::vector<uint32_t> &group);
   void FindStreamRelations(const NotNull<KernelGraphPtr> &graph_ptr);
   void GetStreamSwitchStreamRelation(const CNodePtr &node_ptr);
   void GetStreamActiveStreamRelation(const NotNull<KernelGraphPtr> &graph_ptr, size_t index);