diff --git a/source/dnode/vnode/src/meta/metaTable.c b/source/dnode/vnode/src/meta/metaTable.c
index 560b9ffd4d6791e45f6a173a73b06ac656a7dbac..424a0cd3b6e15919891696278489e1c06a50a93a 100644
--- a/source/dnode/vnode/src/meta/metaTable.c
+++ b/source/dnode/vnode/src/meta/metaTable.c
@@ -764,7 +764,7 @@ static int metaUpdateTableTagVal(SMeta *pMeta, int64_t version, SVAlterTbReq *pA
   ASSERT(c == 0);
 
   tdbTbcGet(pUidIdxc, NULL, NULL, &pData, &nData);
-  oversion = *(int64_t *)pData;
+  oversion = ((SUidIdxVal *)pData)[0].version;
 
   // search table.db
   TBC     *pTbDbc = NULL;