diff --git a/internal/storage/data_codec.go b/internal/storage/data_codec.go
index 140bff813a113..0a9770c82083a 100644
--- a/internal/storage/data_codec.go
+++ b/internal/storage/data_codec.go
@@ -993,24 +993,32 @@ func (deleteCodec *DeleteCodec) Serialize(collectionID UniqueID, partitionID Uni
 func (deleteCodec *DeleteCodec) SerializeV2(collectionID UniqueID, partitionID UniqueID, segmentID UniqueID, data *DeleteData) ([]*Blob, error) {
 	blobs := make([]*Blob, 0)
 	var binlogWriter *DeleteBinlogWriter
+	length := len(data.Pks)
+	if length != len(data.Tss) {
+		return nil, fmt.Errorf("the length of pks, and TimeStamps is not equal")
+	}
+	var startTs, endTs Timestamp
+	startTs, endTs = math.MaxUint64, 0
+	for i := 0; i < length; i++ {
+		ts := data.Tss[i]
+		if ts < startTs {
+			startTs = ts
+		}
+		if ts > endTs {
+			endTs = ts
+		}
+	}
 	for k := 0; k < 2; k++ {
 		binlogWriter = NewDeleteBinlogWriter(schemapb.DataType_String, collectionID, partitionID, segmentID)
 		eventWriter, err := binlogWriter.NextDeleteEventWriter()
+		eventWriter.SetEventTimestamp(startTs, endTs)
 		if err != nil {
 			eventWriter.Close()
 			binlogWriter.Close()
 			return nil, err
 		}
 
-		length := len(data.Pks)
-		if length != len(data.Tss) {
-			return nil, fmt.Errorf("the length of pks, and TimeStamps is not equal")
-		}
-
 		sizeTotal := 0
-		var startTs, endTs Timestamp
-		startTs, endTs = math.MaxUint64, 0
-
 		for i := 0; i < length; i++ {
 			if k == 0 { // write pk
 				pkStr := strconv.FormatInt(data.Pks[i].GetValue().(int64), 10)
@@ -1023,12 +1031,6 @@ func (deleteCodec *DeleteCodec) SerializeV2(collectionID UniqueID, partitionID U
 				sizeTotal += len(pkStr)
 			} else if k == 1 { // write ts
 				ts := data.Tss[i]
-				if ts < startTs {
-					startTs = ts
-				}
-				if ts > endTs {
-					endTs = ts
-				}
 				tsStr := strconv.FormatUint(ts, 10)
 				err = eventWriter.AddOneStringToPayload(tsStr)
 				if err != nil {
@@ -1037,11 +1039,11 @@ func (deleteCodec *DeleteCodec) SerializeV2(collectionID UniqueID, partitionID U
 					return nil, err
 				}
 				sizeTotal += len(tsStr)
-				eventWriter.SetEventTimestamp(startTs, endTs)
-				binlogWriter.SetEventTimeStamp(startTs, endTs)
-				binlogWriter.AddExtra(originalSizeKey, fmt.Sprintf("%v", sizeTotal))
 			}
 		}
+
+		binlogWriter.SetEventTimeStamp(startTs, endTs)
+		binlogWriter.AddExtra(originalSizeKey, fmt.Sprintf("%v", sizeTotal))
 		err = binlogWriter.Finish()
 		if err != nil {
 			eventWriter.Close()