diff --git a/src/index.ts b/src/index.ts
index e69de29..173d263 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -0,0 +1,4 @@
+import { Sern } from "./handler/sern/sern";
+
+exports = Sern;
+export default Sern;
\ No newline at end of file