diff --git a/interfaces/kits/napi/ans/include/common.h b/interfaces/kits/napi/ans/include/common.h
index 17bcd58326fdd0cfbb049482de22e1e8df942926..ace3fefc313e264d2d6b7f4a59d386602b4de402 100644
--- a/interfaces/kits/napi/ans/include/common.h
+++ b/interfaces/kits/napi/ans/include/common.h
@@ -120,6 +120,8 @@ public:
 
     static napi_value NapiGetNull(napi_env env);
 
+    static napi_value NapiGetUndefined(napi_env env);
+
     static napi_value GetCallbackErrorValue(napi_env env, int errCode);
 
     static void PaddingCallbackPromiseInfo(