diff --git a/interfaces/kits/js/src/common/napi/n_class.h b/interfaces/kits/js/src/common/napi/n_class.h
index 45ca773e91683c4b5c4678fc1feac34b2d28ca94..171b7f6274f693ada55a823a82e2c68b19d14466 100644
--- a/interfaces/kits/js/src/common/napi/n_class.h
+++ b/interfaces/kits/js/src/common/napi/n_class.h
@@ -57,14 +57,12 @@ public:
         napi_status status = napi_wrap(
             env,
             obj,
-            entity.get(),
+            entity.release(),
             [](napi_env env, void *data, void *hint) {
-                auto entity = static_cast<T *>(data);
-                delete entity;
+                std::unique_ptr<T>(static_cast<T *>(data));
             },
             nullptr,
             nullptr);
-        entity.release();
         return status == napi_ok;
     }
 
diff --git a/utils/filemgmt_libn/include/n_class.h b/utils/filemgmt_libn/include/n_class.h
index e82bffbe819a21157047b4cdce8aa230fc0e1640..ca59dcc8bcac0b4c0c9b158c9270acd4161d8a57 100644
--- a/utils/filemgmt_libn/include/n_class.h
+++ b/utils/filemgmt_libn/include/n_class.h
@@ -58,13 +58,11 @@ public:
     template <class T> static bool SetEntityFor(napi_env env, napi_value obj, std::unique_ptr<T> entity)
     {
         napi_status status = napi_wrap(
-            env, obj, entity.get(),
+            env, obj, entity.release(),
             [](napi_env env, void *data, void *hint) {
-                auto entity = static_cast<T *>(data);
-                delete entity;
+                std::unique_ptr<T>(static_cast<T *>(data));
             },
             nullptr, nullptr);
-        entity.release();
         return status == napi_ok;
     }