diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index 751569bf90..5dafe91d3d 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -2058,9 +2058,9 @@ static bool isValidFileBlockRow(SBlockData* pBlockData, SFileBlockDumpInfo* pDum
   }
 
   if (pBlockScanInfo->delSkyline != NULL && TARRAY_SIZE(pBlockScanInfo->delSkyline) > 0) {
-    bool deleted = hasBeenDropped(pBlockScanInfo->delSkyline, &pBlockScanInfo->fileDelIndex, ts, ver,
+    bool dropped = hasBeenDropped(pBlockScanInfo->delSkyline, &pBlockScanInfo->fileDelIndex, ts, ver,
                                   pReader->info.order, &pReader->info.verRange);
-    if (deleted) {
+    if (dropped) {
       return false;
     }
   }
@@ -3340,11 +3340,14 @@ TSDBROW* getValidMemRow(SIterInfo* pIter, const SArray* pDelList, STsdbReader* p
   }
 
   // it is a valid data version
-  if ((key.version <= pReader->info.verRange.maxVer && key.version >= pReader->info.verRange.minVer) &&
-      pDelList != NULL && TARRAY_SIZE(pDelList) > 0) {
-    bool dropped = hasBeenDropped(pDelList, &pIter->index, key.ts, key.version, order, &pReader->info.verRange);
-    if (!dropped) {
+  if (key.version <= pReader->info.verRange.maxVer && key.version >= pReader->info.verRange.minVer) {
+    if (pDelList == NULL || TARRAY_SIZE(pDelList) == 0) {
       return pRow;
+    } else {
+      bool dropped = hasBeenDropped(pDelList, &pIter->index, key.ts, key.version, order, &pReader->info.verRange);
+      if (!dropped) {
+        return pRow;
+      }
     }
   }
 
@@ -3362,11 +3365,14 @@ TSDBROW* getValidMemRow(SIterInfo* pIter, const SArray* pDelList, STsdbReader* p
       return NULL;
     }
 
-    if (key.version <= pReader->info.verRange.maxVer && key.version >= pReader->info.verRange.minVer &&
-        pDelList != NULL && TARRAY_SIZE(pDelList) > 0) {
-      bool dropped = hasBeenDropped(pDelList, &pIter->index, key.ts, key.version, order, &pReader->info.verRange);
-      if (!dropped) {
+    if (key.version <= pReader->info.verRange.maxVer && key.version >= pReader->info.verRange.minVer) {
+      if (pDelList == NULL || TARRAY_SIZE(pDelList) == 0) {
         return pRow;
+      } else {
+        bool dropped = hasBeenDropped(pDelList, &pIter->index, key.ts, key.version, order, &pReader->info.verRange);
+        if (!dropped) {
+          return pRow;
+        }
       }
     }
   }