diff --git a/plugins/permission-backend/src/service/index.ts b/plugins/permission-backend/src/service/index.ts
index b26567988c..3ce8cdbcc4 100644
--- a/plugins/permission-backend/src/service/index.ts
+++ b/plugins/permission-backend/src/service/index.ts
@@ -14,4 +14,5 @@
  * limitations under the License.
  */
 
-export * from './router';
+export { createRouter } from './router';
+export type { RouterOptions } from './router';