diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable.c b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
index 0a77274a21..4315204a8b 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMemTable.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
@@ -321,7 +321,7 @@ int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlo
     terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
     return -1;
   }
-  strcat(pRsp->tblFName, mr.me.name);
+  if(pRsp->tblFName) strcat(pRsp->tblFName, mr.me.name);
 
   if (mr.me.type == TSDB_NORMAL_TABLE) {
     sverNew = mr.me.ntbEntry.schema.sver;