diff --git a/source/dnode/vnode/src/tsdb/dev/tsdbMerge.c b/source/dnode/vnode/src/tsdb/dev/tsdbMerge.c
index 2c548fe8b8e016d1ebd4d8ea4eb3d71baa2ae735..9b57d2fc4c2f5ee3f16a7a8e80ff99b76e1b2ee2 100644
--- a/source/dnode/vnode/src/tsdb/dev/tsdbMerge.c
+++ b/source/dnode/vnode/src/tsdb/dev/tsdbMerge.c
@@ -19,6 +19,10 @@ typedef struct {
   STsdb *pTsdb;
 } SMerger;
 
+typedef struct {
+  STsdb *pTsdb;
+} STsdbMergeInfo;
+
 int32_t tsdbMergeBegin(STsdb *pTsdb) {
   int32_t code = 0;
   // TODO