diff --git a/interfaces/innerkits/napi/include/user_auth_helper.h b/interfaces/innerkits/napi/include/user_auth_helper.h
index 9b67031b2118dcbaa6537c7c02cb8e76f67f8c03..b4883f87e7007c33873da0ee15628d36b2e9e7f5 100755
--- a/interfaces/innerkits/napi/include/user_auth_helper.h
+++ b/interfaces/innerkits/napi/include/user_auth_helper.h
@@ -29,22 +29,13 @@ namespace UserAuth {
  */
 void Init(napi_env env, napi_value exports);
 
-/**
- * @brief Get the Ctor object
- *
- * @param env
- * @return napi_value UserAuth Instance
- */
-napi_value GetCtor(napi_env env);
-
 /**
  * @brief Construction method
  *
  * @param env
- * @param info
- * @return napi_value UserAuth Instance
+ * @param exports
  */
-napi_value Constructor(napi_env env, napi_callback_info info);
+void Constructor(napi_env env, napi_value exports);
 
 /**
  * @brief Get the Ctor object for API6
diff --git a/interfaces/innerkits/napi/src/user_auth_helper.cpp b/interfaces/innerkits/napi/src/user_auth_helper.cpp
index f73e4a83346284c02cd0160959117e30a66d1d50..c7a5a678ca8d5ae26aa968df5ead6cc6983f3fe9 100755
--- a/interfaces/innerkits/napi/src/user_auth_helper.cpp
+++ b/interfaces/innerkits/napi/src/user_auth_helper.cpp
@@ -207,38 +207,21 @@ void Init(napi_env env, napi_value exports)
     USERAUTH_HILOGI(MODULE_JS_NAPI, "%{public}s, start.", __func__);
     napi_status status;
     napi_property_descriptor exportFuncs[] = {
-        DECLARE_NAPI_FUNCTION("constructor", UserAuth::Constructor),
         DECLARE_NAPI_FUNCTION("getAuthenticator", UserAuth::ConstructorForAPI6),
     };
     status = napi_define_properties(env, exports, sizeof(exportFuncs) / sizeof(*exportFuncs), exportFuncs);
     if (status != napi_ok) {
         USERAUTH_HILOGE(MODULE_JS_NAPI, "napi_define_properties faild");
     }
-}
-
-napi_value Constructor(napi_env env, napi_callback_info info)
-{
-    USERAUTH_HILOGI(MODULE_JS_NAPI, "%{public}s, start.", __func__);
-    napi_value thisVar = nullptr;
-    napi_value userAuth = nullptr;
-    NAPI_CALL(env, napi_new_instance(env, GetCtor(env), 0, nullptr, &userAuth));
-    NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
-    return userAuth;
-}
 
-napi_value ConstructorForAPI6(napi_env env, napi_callback_info info)
-{
-    napi_value thisVar = nullptr;
-    napi_value userAuthForAPI6 = nullptr;
-    NAPI_CALL(env, napi_new_instance(env, GetCtorForAPI6(env), 0, nullptr, &userAuthForAPI6));
-    NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
-    return userAuthForAPI6;
+    Constructor(env, exports);
 }
 
-napi_value GetCtor(napi_env env)
+void Constructor(napi_env env, napi_value exports)
 {
     USERAUTH_HILOGI(MODULE_JS_NAPI, "%{public}s, start.", __func__);
     napi_value cons = nullptr;
+    napi_status status = napi_ok;
     napi_property_descriptor clzDes[] = {
         DECLARE_NAPI_FUNCTION("getVersion", UserAuth::GetVersion),
         DECLARE_NAPI_FUNCTION("getAvailableStatus", UserAuth::GetAvailableStatus),
@@ -248,9 +231,27 @@ napi_value GetCtor(napi_env env)
         DECLARE_NAPI_FUNCTION("authUser", UserAuth::AuthUser),
         DECLARE_NAPI_FUNCTION("cancelAuth", UserAuth::CancelAuth),
     };
-    NAPI_CALL(env, napi_define_class(env, "UserAuth", NAPI_AUTO_LENGTH, UserAuthServiceConstructor, nullptr,
-        sizeof(clzDes) / sizeof(napi_property_descriptor), clzDes, &cons));
-    return cons;
+    status = napi_define_class(env, "UserAuth", NAPI_AUTO_LENGTH, UserAuthServiceConstructor, nullptr,
+        sizeof(clzDes) / sizeof(napi_property_descriptor), clzDes, &cons);
+    if (status != napi_ok) {
+        USERAUTH_HILOGE(MODULE_JS_NAPI, "napi_define_class faild");
+        return;
+    }
+
+    status = napi_set_named_property(env, exports, "UserAuth", cons);
+    if (status != napi_ok) {
+        USERAUTH_HILOGE(MODULE_JS_NAPI, "napi_set_named_property faild");
+    }
+    return;
+}
+
+napi_value ConstructorForAPI6(napi_env env, napi_callback_info info)
+{
+    napi_value thisVar = nullptr;
+    napi_value userAuthForAPI6 = nullptr;
+    NAPI_CALL(env, napi_new_instance(env, GetCtorForAPI6(env), 0, nullptr, &userAuthForAPI6));
+    NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
+    return userAuthForAPI6;
 }
 
 napi_value GetCtorForAPI6(napi_env env)