diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 83aba6729b..1b23ed1c16 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -505,7 +505,7 @@ int32_t addTagPseudoColumnData(SReadHandle* pHandle, const SExprInfo* pExpr, int
 
   // 1. check if it is existed in meta cache
   if (pCache == NULL) {
-    pHandle->api.metaReaderFn.initReader(&mr, pHandle->vnode, 0, &pHandle->api.metaFn);
+    pHandle->api.metaReaderFn.initReader(&mr, pHandle->vnode, META_READER_NOLOCK, &pHandle->api.metaFn);
     code = pHandle->api.metaReaderFn.getEntryGetUidCache(&mr, pBlock->info.id.uid);
     if (code != TSDB_CODE_SUCCESS) {
       // when encounter the TSDB_CODE_PAR_TABLE_NOT_EXIST error, we proceed.