diff --git a/frameworks/native/neural_network_core/backend_manager.cpp b/frameworks/native/neural_network_core/backend_manager.cpp
index 078d0665729f17a58e75944a0d1d4db7c124810c..ed1027a3f49354503902d446b492aaf04ec460df 100644
--- a/frameworks/native/neural_network_core/backend_manager.cpp
+++ b/frameworks/native/neural_network_core/backend_manager.cpp
@@ -56,10 +56,9 @@ std::shared_ptr<Backend> BackendManager::GetBackend(size_t backendID) const
 
 const std::string& BackendManager::GetBackendName(size_t backendID)
 {
-    std::string emptyName;
     if (m_backendNames.empty()) {
         LOGE("[BackendManager] GetBackendName failed, there is no registered backend can be used.");
-        return emptyName;
+        return m_emptyBackendName;
     }
 
     auto iter = m_backendNames.begin();
@@ -71,7 +70,7 @@ const std::string& BackendManager::GetBackendName(size_t backendID)
 
     if (iter == m_backendNames.end()) {
         LOGE("[BackendManager] GetBackendName failed, backendID %{public}zu is not registered.", backendID);
-        return emptyName;
+        return m_emptyBackendName;
     }
 
     return iter->second;
diff --git a/frameworks/native/neural_network_core/backend_manager.h b/frameworks/native/neural_network_core/backend_manager.h
index 656d47cad4841b026bda66a14e2e8d39286e3e0f..5e25e87f523435dc80b6b340e2813e10e73ceccc 100644
--- a/frameworks/native/neural_network_core/backend_manager.h
+++ b/frameworks/native/neural_network_core/backend_manager.h
@@ -62,6 +62,7 @@ private:
 private:
     std::vector<size_t> m_backendIDs;
     std::unordered_map<size_t, std::string> m_backendNames;
+    std::string m_emptyBackendName;
     // key is the name of backend.
     std::unordered_map<size_t, std::shared_ptr<Backend>> m_backends;
     std::mutex m_mtx;