diff --git a/packages/commons/src/index.ts b/packages/commons/src/index.ts
index 2e381b8291..e24349cf75 100644
--- a/packages/commons/src/index.ts
+++ b/packages/commons/src/index.ts
@@ -185,6 +185,8 @@ export const _ = {
   createSymbol
 }
 
+export default _
+
 export * from './debug'
 
 if (typeof module !== 'undefined') {