diff --git a/source/dnode/mnode/impl/src/mndTrans.c b/source/dnode/mnode/impl/src/mndTrans.c
index 55e9faf0202c091358f4e5d87f4cc84b91ec0bca..e044fe08b1561ea26d0c1f5fa89b26cf1fd250dd 100644
--- a/source/dnode/mnode/impl/src/mndTrans.c
+++ b/source/dnode/mnode/impl/src/mndTrans.c
@@ -598,7 +598,7 @@ static int32_t mndTransActionUpdate(SSdb *pSdb, STrans *pOld, STrans *pNew) {
   }
 
   if (pOld->stage == TRN_STAGE_ROLLBACK) {
-    pOld->stage = TRN_STAGE_REDO_ACTION;
+    pOld->stage = TRN_STAGE_UNDO_ACTION;
     mTrace("trans:%d, stage from rollback to undoAction since perform update action", pNew->id);
   }
 
diff --git a/source/dnode/mnode/sdb/src/sdbHash.c b/source/dnode/mnode/sdb/src/sdbHash.c
index cc3dba2e07d64f68c017d1b6377fc81f99cad435..569c78a68c0c560e0272521fd2512089f63ca593 100644
--- a/source/dnode/mnode/sdb/src/sdbHash.c
+++ b/source/dnode/mnode/sdb/src/sdbHash.c
@@ -160,6 +160,7 @@ static int32_t sdbInsertRow(SSdb *pSdb, SHashObj *hash, SSdbRaw *pRaw, SSdbRow *
   if (insertFp != NULL) {
     code = (*insertFp)(pSdb, pRow->pObj);
     if (code != 0) {
+      if (terrno == 0) terrno = TSDB_CODE_MND_TRANS_UNKNOW_ERROR;
       code = terrno;
       taosHashRemove(hash, pRow->pObj, keySize);
       sdbFreeRow(pSdb, pRow, false);