diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index b6762df3b7..aaa4e92328 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -4066,13 +4066,6 @@ void tsdbReaderClose2(STsdbReader* pReader) {
     tsdbDataFileReaderClose(&pReader->pFileReader);
   }
 
-  qTrace("tsdb/reader-close: %p, untake snapshot", pReader);
-  tsdbUntakeReadSnap2(pReader, pReader->pReadSnap, true);
-  pReader->pReadSnap = NULL;
-
-  tsdbReleaseReader(pReader);
-  tsdbUninitReaderLock(pReader);
-
   SCostSummary* pCost = &pReader->cost;
   SFilesetIter* pFilesetIter = &pReader->status.fileIter;
   if (pFilesetIter->pLastBlockReader != NULL) {
@@ -4084,6 +4077,13 @@ void tsdbReaderClose2(STsdbReader* pReader) {
   destroySttBlockReader(pReader->status.pLDataIterArray, &pCost->sttCost);
   taosMemoryFreeClear(pReader->status.uidList.tableUidList);
 
+  qTrace("tsdb/reader-close: %p, untake snapshot", pReader);
+  tsdbUntakeReadSnap2(pReader, pReader->pReadSnap, true);
+  pReader->pReadSnap = NULL;
+
+  tsdbReleaseReader(pReader);
+  tsdbUninitReaderLock(pReader);
+
   tsdbDebug(
       "%p :io-cost summary: head-file:%" PRIu64 ", head-file time:%.2f ms, SMA:%" PRId64
       " SMA-time:%.2f ms, fileBlocks:%" PRId64