diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index bf23c18cf66ca69d2107a791cf6e74e67eb53714..ea9424bc32c493c5f24d5a53329e591fe6d08588 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -1911,7 +1911,7 @@ static bool doCheckforDatablockOverlap(STableBlockScanInfo* pBlockScanInfo, cons
 }
 
 static bool overlapWithDelSkyline(STableBlockScanInfo* pBlockScanInfo, const SBrinRecord* pRecord, int32_t order) {
-  if (pBlockScanInfo->delSkyline == NULL) {
+  if (pBlockScanInfo->delSkyline == NULL || (taosArrayGetSize(pBlockScanInfo->delSkyline) == 0)) {
     return false;
   }