diff --git a/ge/graph/load/model_manager/davinci_model.cc b/ge/graph/load/model_manager/davinci_model.cc
index d9015911..5303ad53 100755
--- a/ge/graph/load/model_manager/davinci_model.cc
+++ b/ge/graph/load/model_manager/davinci_model.cc
@@ -2309,8 +2309,7 @@ Status DavinciModel::SinkTimeProfile(const InputData &current_data) {
 }
 
 Status DavinciModel::ProfileStepInfo(DavinciModel *model, uint16_t tag_id) {
-  auto &prof_mgr = ProfilingManager::Instance();
-  if (prof_mgr.ProfilingModelExecuteOn()) {
+  if (ProfilingManager::Instance().ProfilingModelExecuteOn()) {
     uint64_t index_id = model->iterator_count_ + 1;
     uint64_t model_id = static_cast<uint64_t>(model->Id());
     rtError_t rt_ret = RT_ERROR_NONE;
@@ -2338,7 +2337,7 @@ Status DavinciModel::ProfileStepInfo(DavinciModel *model, uint16_t tag_id) {
       return RT_ERROR_TO_GE_STATUS(rt_ret);
     }
     GELOGD("Get profiling args, task_id[%u], stream_id[%u]", task_id, stream_id);
-    uint32_t device_id = model->GetDeviceId();
+    int32_t device_id = static_cast<int32_t>(model->GetDeviceId());
 
     Json step_info;
     step_info[kIndexId] = index_id;
@@ -2359,7 +2358,7 @@ Status DavinciModel::ProfileStepInfo(DavinciModel *model, uint16_t tag_id) {
     }
     reported_data.append(",")
                  .append("\n");
-    prof_mgr.ReportData(device_id, reported_data, "step_info");
+    ProfilingManager::Instance().ReportData(device_id, reported_data, "step_info");
   }
   return SUCCESS;
 }