diff --git a/internal/querynode/flow_graph_query_node.go b/internal/querynode/flow_graph_query_node.go
index fb20aa8442b57fd693eac7e49ff82c35297761db..acdc11055d4f4dedfe6fa4bbfc29054e39814aa8 100644
--- a/internal/querynode/flow_graph_query_node.go
+++ b/internal/querynode/flow_graph_query_node.go
@@ -21,6 +21,7 @@ import (
 	"github.com/milvus-io/milvus/internal/msgstream"
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
 	"github.com/milvus-io/milvus/internal/util/flowgraph"
+	"github.com/milvus-io/milvus/internal/util/mqclient"
 )
 
 // queryNodeFlowGraph is a TimeTickedFlowGraph in query node
@@ -200,6 +201,19 @@ func (q *queryNodeFlowGraph) consumerFlowGraph(channel Channel, subName ConsumeS
 	return nil
 }
 
+func (q *queryNodeFlowGraph) consumerFlowGraphLatest(channel Channel, subName ConsumeSubName) error {
+	if q.dmlStream == nil {
+		return errors.New("null dml message stream in flow graph")
+	}
+	q.dmlStream.AsConsumerWithPosition([]string{channel}, subName, mqclient.SubscriptionPositionLatest)
+	log.Debug("query node flow graph consumes from pChannel",
+		zap.Any("collectionID", q.collectionID),
+		zap.Any("channel", channel),
+		zap.Any("subName", subName),
+	)
+	return nil
+}
+
 func (q *queryNodeFlowGraph) seekQueryNodeFlowGraph(position *internalpb.MsgPosition) error {
 	q.dmlStream.AsConsumer([]string{position.ChannelName}, position.MsgGroup)
 	err := q.dmlStream.Seek([]*internalpb.MsgPosition{position})
diff --git a/internal/querynode/mock_test.go b/internal/querynode/mock_test.go
index a9db4cc2915ba9187e54da23a1dd87be08de645e..3d801739d0824acd1a85070a624e8aca793c6adc 100644
--- a/internal/querynode/mock_test.go
+++ b/internal/querynode/mock_test.go
@@ -888,7 +888,7 @@ func genSimpleSegmentLoader(ctx context.Context, historicalReplica ReplicaInterf
 	if err != nil {
 		return nil, err
 	}
-	return newSegmentLoader(ctx, newMockRootCoord(), newMockIndexCoord(), historicalReplica, streamingReplica, kv), nil
+	return newSegmentLoader(ctx, newMockRootCoord(), newMockIndexCoord(), historicalReplica, streamingReplica, kv, msgstream.NewPmsFactory()), nil
 }
 
 func genSimpleHistorical(ctx context.Context, tSafeReplica TSafeReplicaInterface) (*historical, error) {
diff --git a/internal/querynode/query_node.go b/internal/querynode/query_node.go
index b4720024dca42e65424a072dc0f0882da5a844cb..5c37fdf628d31b18cc4744d9e75a92747d2218a0 100644
--- a/internal/querynode/query_node.go
+++ b/internal/querynode/query_node.go
@@ -210,7 +210,8 @@ func (node *QueryNode) Init() error {
 			node.indexCoord,
 			node.historical.replica,
 			node.streaming.replica,
-			node.etcdKV)
+			node.etcdKV,
+			node.msFactory)
 
 		node.statsService = newStatsService(node.queryNodeLoopCtx, node.historical.replica, node.loader.indexLoader.fieldStatsChan, node.msFactory)
 		node.dataSyncService = newDataSyncService(node.queryNodeLoopCtx, streamingReplica, historicalReplica, node.tSafeReplica, node.msFactory)
diff --git a/internal/querynode/query_node_test.go b/internal/querynode/query_node_test.go
index 0c48648d061940e52ff26cf98645ba617b1d7fb8..f2da9712a26501b501bbecf2a5eeed572a334c58 100644
--- a/internal/querynode/query_node_test.go
+++ b/internal/querynode/query_node_test.go
@@ -199,7 +199,7 @@ func newQueryNodeMock() *QueryNode {
 	svr.streaming = newStreaming(ctx, streamingReplica, msFactory, etcdKV, tsReplica)
 	svr.dataSyncService = newDataSyncService(ctx, svr.streaming.replica, svr.historical.replica, tsReplica, msFactory)
 	svr.statsService = newStatsService(ctx, svr.historical.replica, nil, msFactory)
-	svr.loader = newSegmentLoader(ctx, nil, nil, svr.historical.replica, svr.streaming.replica, etcdKV)
+	svr.loader = newSegmentLoader(ctx, nil, nil, svr.historical.replica, svr.streaming.replica, etcdKV, msgstream.NewPmsFactory())
 	svr.etcdKV = etcdKV
 
 	return svr
diff --git a/internal/querynode/segment_loader.go b/internal/querynode/segment_loader.go
index 9383c731c79bac17481cad392eb6ccb82da7d29c..6bb89fd102bb97997e597ae80f6e81115ca747df 100644
--- a/internal/querynode/segment_loader.go
+++ b/internal/querynode/segment_loader.go
@@ -17,6 +17,7 @@ import (
 	"fmt"
 	"path"
 	"strconv"
+	"sync"
 
 	"go.uber.org/zap"
 
@@ -30,6 +31,7 @@ import (
 	"github.com/milvus-io/milvus/internal/proto/datapb"
 	"github.com/milvus-io/milvus/internal/proto/internalpb"
 	"github.com/milvus-io/milvus/internal/proto/querypb"
+	"github.com/milvus-io/milvus/internal/rootcoord"
 	"github.com/milvus-io/milvus/internal/storage"
 	"github.com/milvus-io/milvus/internal/types"
 	"github.com/milvus-io/milvus/internal/util/funcutil"
@@ -46,6 +48,8 @@ type segmentLoader struct {
 	etcdKV  *etcdkv.EtcdKV
 
 	indexLoader *indexLoader
+
+	factory msgstream.Factory
 }
 
 func (loader *segmentLoader) loadSegment(req *querypb.LoadSegmentsRequest, segmentType segmentType) error {
@@ -443,6 +447,86 @@ func (loader *segmentLoader) loadDeltaLogs(segment *Segment, deltaLogs []*datapb
 	return nil
 }
 
+func (loader *segmentLoader) FromDmlCPLoadDelete(ctx context.Context, collectionID int64, position *internalpb.MsgPosition) error {
+	log.Debug("from dmlcp load delete", zap.Any("position", position), zap.Any("msg id", position.MsgID))
+	stream, err := loader.factory.NewMsgStream(ctx)
+	if err != nil {
+		return err
+	}
+	pChannelName := rootcoord.ToPhysicalChannel(position.ChannelName)
+	position.ChannelName = pChannelName
+	stream.AsReader([]string{pChannelName})
+	stream.SeekReaders([]*internalpb.MsgPosition{position})
+
+	delData := &deleteData{
+		deleteIDs:        make(map[UniqueID][]int64),
+		deleteTimestamps: make(map[UniqueID][]Timestamp),
+		deleteOffset:     make(map[UniqueID]int64),
+	}
+	log.Debug("start read msg from stream reader")
+	for {
+		tsMsg, err := stream.Next(ctx, pChannelName)
+		if err != nil {
+			return err
+		}
+		if tsMsg == nil {
+			break
+		}
+		log.Debug("receive msg", zap.Any("type", tsMsg.Type()))
+
+		if tsMsg.Type() == commonpb.MsgType_Delete {
+			dmsg := tsMsg.(*msgstream.DeleteMsg)
+			if dmsg.CollectionID != collectionID {
+				continue
+			}
+			log.Debug("delete pk", zap.Any("pk", dmsg.PrimaryKeys))
+			processDeleteMessages(loader.historicalReplica, dmsg, delData)
+		}
+	}
+	for segmentID, pks := range delData.deleteIDs {
+		segment, err := loader.historicalReplica.getSegmentByID(segmentID)
+		if err != nil {
+			log.Debug(err.Error())
+			continue
+		}
+		offset := segment.segmentPreDelete(len(pks))
+		delData.deleteOffset[segmentID] = offset
+	}
+
+	wg := sync.WaitGroup{}
+	for segmentID := range delData.deleteOffset {
+		wg.Add(1)
+		go deletePk(loader.historicalReplica, delData, segmentID, &wg)
+	}
+	wg.Wait()
+	return nil
+}
+
+func deletePk(replica ReplicaInterface, deleteData *deleteData, segmentID UniqueID, wg *sync.WaitGroup) {
+	defer wg.Done()
+	log.Debug("QueryNode::iNode::delete", zap.Any("SegmentID", segmentID))
+	targetSegment, err := replica.getSegmentByID(segmentID)
+	if err != nil {
+		log.Error(err.Error())
+		return
+	}
+
+	if targetSegment.segmentType != segmentTypeSealed {
+		return
+	}
+
+	ids := deleteData.deleteIDs[segmentID]
+	timestamps := deleteData.deleteTimestamps[segmentID]
+	offset := deleteData.deleteOffset[segmentID]
+
+	err = targetSegment.segmentDelete(offset, &ids, &timestamps)
+	if err != nil {
+		log.Warn("QueryNode: targetSegmentDelete failed", zap.Error(err))
+		return
+	}
+	log.Debug("Do delete done", zap.Int("len", len(deleteData.deleteIDs[segmentID])), zap.Int64("segmentID", segmentID))
+}
+
 // JoinIDPath joins ids to path format.
 func JoinIDPath(ids ...UniqueID) string {
 	idStr := make([]string, len(ids))
@@ -565,7 +649,8 @@ func newSegmentLoader(ctx context.Context,
 	indexCoord types.IndexCoord,
 	historicalReplica ReplicaInterface,
 	streamingReplica ReplicaInterface,
-	etcdKV *etcdkv.EtcdKV) *segmentLoader {
+	etcdKV *etcdkv.EtcdKV,
+	factory msgstream.Factory) *segmentLoader {
 	option := &minioKV.Option{
 		Address:           Params.MinioEndPoint,
 		AccessKeyID:       Params.MinioAccessKeyID,
@@ -589,5 +674,7 @@ func newSegmentLoader(ctx context.Context,
 		etcdKV:  etcdKV,
 
 		indexLoader: iLoader,
+
+		factory: factory,
 	}
 }
diff --git a/internal/querynode/task.go b/internal/querynode/task.go
index beea33e5e16313856c95777d9bb83c509da04582..57797968cb43872685fdbb95d8f830ba565f8a3e 100644
--- a/internal/querynode/task.go
+++ b/internal/querynode/task.go
@@ -481,7 +481,7 @@ func (w *watchDeltaChannelsTask) Execute(ctx context.Context) error {
 		for _, fg := range nodeFGs {
 			if fg.channel == channel {
 				// use pChannel to consume
-				err := fg.consumerFlowGraph(VPDeltaChannels[channel], consumeSubName)
+				err := fg.consumerFlowGraphLatest(VPDeltaChannels[channel], consumeSubName)
 				if err != nil {
 					errMsg := "msgStream consume error :" + err.Error()
 					log.Warn(errMsg)
@@ -494,28 +494,9 @@ func (w *watchDeltaChannelsTask) Execute(ctx context.Context) error {
 		zap.Any("collectionID", collectionID),
 		zap.Any("toSubChannels", toSubChannels))
 
-	// TODO: seek with check points
-	/*
-			// seek channel
-			for _, pos := range toSeekChannels {
-				for _, fg := range nodeFGs {
-					if fg.channel == pos.ChannelName {
-						pos.MsgGroup = consumeSubName
-						// use pChannel to seek
-						pos.ChannelName = VPChannels[fg.channel]
-						err := fg.seekQueryNodeFlowGraph(pos)
-						if err != nil {
-							errMsg := "msgStream seek error :" + err.Error()
-							log.Warn(errMsg)
-							return errors.New(errMsg)
-						}
-					}
-				}
-			}
-		log.Debug("Seek all channel done",
-			zap.Any("collectionID", collectionID),
-			zap.Any("toSeekChannels", toSeekChannels))
-	*/
+	for _, info := range w.req.Infos {
+		w.node.loader.FromDmlCPLoadDelete(w.ctx, collectionID, info.SeekPosition)
+	}
 
 	// start flow graphs
 	err = w.node.dataSyncService.startCollectionDeltaFlowGraph(collectionID, vDeltaChannels)
diff --git a/internal/util/mqclient/rmq_client.go b/internal/util/mqclient/rmq_client.go
index 371adef40df586df48f4ba2b3b2f6a9891ff5453..ac8ee26d3c742041a313678eb112350f1c476ddb 100644
--- a/internal/util/mqclient/rmq_client.go
+++ b/internal/util/mqclient/rmq_client.go
@@ -12,6 +12,7 @@
 package mqclient
 
 import (
+	"errors"
 	"strconv"
 
 	"go.uber.org/zap"
@@ -47,7 +48,20 @@ func (rc *rmqClient) CreateProducer(options ProducerOptions) (Producer, error) {
 
 //TODO fishpenguin: implementation
 func (rc *rmqClient) CreateReader(options ReaderOptions) (Reader, error) {
-	panic("this method has not been implented")
+	opts := rocksmq.ReaderOptions{
+		Topic:                   options.Topic,
+		StartMessageID:          options.StartMessageID.(*rmqID).messageID,
+		StartMessageIDInclusive: options.StartMessageIDInclusive,
+	}
+	pr, err := rc.client.CreateReader(opts)
+	if err != nil {
+		return nil, err
+	}
+	if pr == nil {
+		return nil, errors.New("pulsar is not ready, producer is nil")
+	}
+	reader := &rmqReader{r: pr}
+	return reader, nil
 }
 
 // Subscribe subscribes a consumer in rmq client