diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index f3c5d9ec93..2412639722 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -4060,6 +4060,8 @@ _err:
   return code;
 }
 
+void tsdbReaderSetNotifyFn(STsdbReader* pReader, )
+
 void tsdbReaderClose2(STsdbReader* pReader) {
   if (pReader == NULL) {
     return;