diff --git a/.devcontainer.json b/.devcontainer.json
index a7368ab60c..565eb008c7 100644
--- a/.devcontainer.json
+++ b/.devcontainer.json
@@ -2,7 +2,7 @@
     "name": "Milvus Distributed Dev Container Definition",
     "dockerComposeFile": ["./docker-compose-vscode.yml"],
     "service": "ubuntu",
-    "initializeCommand": "scripts/init_devcontainer.sh && docker-compose -f docker-compose-vscode.yml down || true",
+    "initializeCommand": "scripts/init_devcontainer.sh && docker-compose -f docker-compose-vscode.yml down all -v || true && docker-compose -f docker-compose-vscode.yml pull --ignore-pull-failures ubuntu",
     "workspaceFolder": "/go/src/github.com/zilliztech/milvus-distributed",
     "shutdownAction": "stopCompose",
     "extensions": [
diff --git a/.gitignore b/.gitignore
index 082a135a38..ef85f5678c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,7 +11,7 @@ pulsar/client-cpp/build/*
 # vscode generated files
 .vscode
 docker-compose-vscode.yml
-docker-compose-vscode.yml.tmp
+docker-compose-vscode.yml.bak
 
 cmake-build-debug
 cmake-build-release
diff --git a/internal/indexbuilder/client/client.go b/internal/indexbuilder/client/client.go
index 622fde9b15..c18e02017b 100644
--- a/internal/indexbuilder/client/client.go
+++ b/internal/indexbuilder/client/client.go
@@ -2,6 +2,10 @@ package indexbuilderclient
 
 import (
 	"context"
+	"encoding/json"
+	"fmt"
+	"github.com/zilliztech/milvus-distributed/internal/errors"
+	"log"
 	"time"
 
 	"google.golang.org/grpc"
@@ -54,20 +58,59 @@ func (c *Client) BuildIndexWithoutID(columnDataPaths []string, typeParams map[st
 	if c.tryConnect() != nil {
 		panic("BuildIndexWithoutID: failed to connect index builder")
 	}
+	parseMap := func(mStr string) (map[string]string, error) {
+		buffer := make(map[string]interface{})
+		err := json.Unmarshal([]byte(mStr), &buffer)
+		if err != nil {
+			return nil, errors.New("Unmarshal params failed")
+		}
+		ret := make(map[string]string)
+		for key, value := range buffer {
+			valueStr := fmt.Sprintf("%v", value)
+			ret[key] = valueStr
+		}
+		return ret, nil
+	}
 	var typeParamsKV []*commonpb.KeyValuePair
-	for typeParam := range typeParams {
-		typeParamsKV = append(typeParamsKV, &commonpb.KeyValuePair{
-			Key:   typeParam,
-			Value: typeParams[typeParam],
-		})
+	for key := range typeParams {
+		if key == "params" {
+			mapParams, err := parseMap(typeParams[key])
+			if err != nil {
+				log.Println("parse params error: ", err)
+			}
+			for pk, pv := range mapParams {
+				typeParamsKV = append(typeParamsKV, &commonpb.KeyValuePair{
+					Key:   pk,
+					Value: pv,
+				})
+			}
+		} else {
+			typeParamsKV = append(typeParamsKV, &commonpb.KeyValuePair{
+				Key:   key,
+				Value: typeParams[key],
+			})
+		}
 	}
 
 	var indexParamsKV []*commonpb.KeyValuePair
-	for indexParam := range indexParams {
-		indexParamsKV = append(indexParamsKV, &commonpb.KeyValuePair{
-			Key:   indexParam,
-			Value: indexParams[indexParam],
-		})
+	for key := range indexParams {
+		if key == "params" {
+			mapParams, err := parseMap(indexParams[key])
+			if err != nil {
+				log.Println("parse params error: ", err)
+			}
+			for pk, pv := range mapParams {
+				indexParamsKV = append(indexParamsKV, &commonpb.KeyValuePair{
+					Key:   pk,
+					Value: pv,
+				})
+			}
+		} else {
+			indexParamsKV = append(indexParamsKV, &commonpb.KeyValuePair{
+				Key:   key,
+				Value: indexParams[key],
+			})
+		}
 	}
 
 	ctx := context.TODO()
diff --git a/internal/master/segment_manager_test.go b/internal/master/segment_manager_test.go
index 847ef6b29a..28e16ec7ec 100644
--- a/internal/master/segment_manager_test.go
+++ b/internal/master/segment_manager_test.go
@@ -126,7 +126,7 @@ func TestSegmentManager_AssignSegment(t *testing.T) {
 		}
 	}
 
-	time.Sleep(time.Duration(Params.SegIDAssignExpiration) * time.Millisecond)
+	time.Sleep(time.Duration(Params.SegIDAssignExpiration))
 	timestamp, err := globalTsoAllocator()
 	assert.Nil(t, err)
 	err = mt.UpdateSegment(&pb.SegmentMeta{
@@ -156,122 +156,3 @@ func TestSegmentManager_AssignSegment(t *testing.T) {
 	assert.Nil(t, err)
 	assert.NotEqualValues(t, 0, segMeta.CloseTime)
 }
-
-func TestSegmentManager_SycnWritenode(t *testing.T) {
-	ctx, cancelFunc := context.WithCancel(context.TODO())
-	defer cancelFunc()
-
-	Init()
-	Params.TopicNum = 5
-	Params.QueryNodeNum = 3
-	Params.SegmentSize = 536870912 / 1024 / 1024
-	Params.SegmentSizeFactor = 0.75
-	Params.DefaultRecordSize = 1024
-	Params.MinSegIDAssignCnt = 1048576 / 1024
-	Params.SegIDAssignExpiration = 2000
-	etcdAddress := Params.EtcdAddress
-	cli, err := clientv3.New(clientv3.Config{Endpoints: []string{etcdAddress}})
-	assert.Nil(t, err)
-	rootPath := "/test/root"
-	_, err = cli.Delete(ctx, rootPath, clientv3.WithPrefix())
-	assert.Nil(t, err)
-
-	kvBase := etcdkv.NewEtcdKV(cli, rootPath)
-	defer kvBase.Close()
-	mt, err := NewMetaTable(kvBase)
-	assert.Nil(t, err)
-
-	collName := "segmgr_test_coll"
-	var collID int64 = 1001
-	partitionTag := "test_part"
-	schema := &schemapb.CollectionSchema{
-		Name: collName,
-		Fields: []*schemapb.FieldSchema{
-			{FieldID: 1, Name: "f1", IsPrimaryKey: false, DataType: schemapb.DataType_INT32},
-			{FieldID: 2, Name: "f2", IsPrimaryKey: false, DataType: schemapb.DataType_VECTOR_FLOAT, TypeParams: []*commonpb.KeyValuePair{
-				{Key: "dim", Value: "128"},
-			}},
-		},
-	}
-	err = mt.AddCollection(&pb.CollectionMeta{
-		ID:            collID,
-		Schema:        schema,
-		CreateTime:    0,
-		SegmentIDs:    []UniqueID{},
-		PartitionTags: []string{},
-	})
-	assert.Nil(t, err)
-	err = mt.AddPartition(collID, partitionTag)
-	assert.Nil(t, err)
-
-	var cnt int64
-	globalIDAllocator := func() (UniqueID, error) {
-		val := atomic.AddInt64(&cnt, 1)
-		return val, nil
-	}
-	globalTsoAllocator := func() (Timestamp, error) {
-		val := atomic.AddInt64(&cnt, 1)
-		phy := time.Now().UnixNano() / int64(time.Millisecond)
-		ts := tsoutil.ComposeTS(phy, val)
-		return ts, nil
-	}
-	syncWriteChan := make(chan *msgstream.TimeTickMsg)
-	syncProxyChan := make(chan *msgstream.TimeTickMsg)
-
-	segAssigner := NewSegmentAssigner(ctx, mt, globalTsoAllocator, syncProxyChan)
-	mockScheduler := &MockFlushScheduler{}
-	segManager, err := NewSegmentManager(ctx, mt, globalIDAllocator, globalTsoAllocator, syncWriteChan, mockScheduler, segAssigner)
-	assert.Nil(t, err)
-
-	segManager.Start()
-	defer segManager.Close()
-	sizePerRecord, err := typeutil.EstimateSizePerRecord(schema)
-	assert.Nil(t, err)
-	maxCount := uint32(Params.SegmentSize * 1024 * 1024 / float64(sizePerRecord))
-
-	req := []*internalpb.SegIDRequest{
-		{Count: maxCount, ChannelID: 1, CollName: collName, PartitionTag: partitionTag},
-		{Count: maxCount, ChannelID: 2, CollName: collName, PartitionTag: partitionTag},
-		{Count: maxCount, ChannelID: 3, CollName: collName, PartitionTag: partitionTag},
-	}
-	assignSegment, err := segManager.AssignSegment(req)
-	assert.Nil(t, err)
-	timestamp, err := globalTsoAllocator()
-	assert.Nil(t, err)
-	for i := 0; i < len(assignSegment); i++ {
-		assert.EqualValues(t, maxCount, assignSegment[i].Count)
-		assert.EqualValues(t, i+1, assignSegment[i].ChannelID)
-
-		err = mt.UpdateSegment(&pb.SegmentMeta{
-			SegmentID:    assignSegment[i].SegID,
-			CollectionID: collID,
-			PartitionTag: partitionTag,
-			ChannelStart: 0,
-			ChannelEnd:   1,
-			CloseTime:    timestamp,
-			NumRows:      int64(maxCount),
-			MemSize:      500000,
-		})
-		assert.Nil(t, err)
-	}
-
-	time.Sleep(time.Duration(Params.SegIDAssignExpiration) * time.Millisecond)
-
-	timestamp, err = globalTsoAllocator()
-	assert.Nil(t, err)
-	tsMsg := &msgstream.TimeTickMsg{
-		BaseMsg: msgstream.BaseMsg{
-			BeginTimestamp: timestamp, EndTimestamp: timestamp, HashValues: []uint32{},
-		},
-		TimeTickMsg: internalpb.TimeTickMsg{
-			MsgType:   internalpb.MsgType_kTimeTick,
-			PeerID:    1,
-			Timestamp: timestamp,
-		},
-	}
-	syncWriteChan <- tsMsg
-	time.Sleep(300 * time.Millisecond)
-
-	status := segManager.collStatus[collID]
-	assert.Empty(t, status.segments)
-}
diff --git a/internal/querynode/load_index_service.go b/internal/querynode/load_index_service.go
index 4a45e7fb8a..32b276bcf5 100644
--- a/internal/querynode/load_index_service.go
+++ b/internal/querynode/load_index_service.go
@@ -100,7 +100,6 @@ func (lis *loadIndexService) start() {
 					continue
 				}
 				// 1. use msg's index paths to get index bytes
-				fmt.Println("start load index")
 				var indexBuffer [][]byte
 				var err error
 				fn := func() error {
@@ -139,13 +138,6 @@ func (lis *loadIndexService) start() {
 	}
 }
 
-func (lis *loadIndexService) close() {
-	if lis.loadIndexMsgStream != nil {
-		lis.loadIndexMsgStream.Close()
-	}
-	lis.cancel()
-}
-
 func (lis *loadIndexService) printIndexParams(index []*commonpb.KeyValuePair) {
 	fmt.Println("=================================================")
 	for i := 0; i < len(index); i++ {
diff --git a/internal/querynode/load_index_service_test.go b/internal/querynode/load_index_service_test.go
index 852d976366..b214b40824 100644
--- a/internal/querynode/load_index_service_test.go
+++ b/internal/querynode/load_index_service_test.go
@@ -22,29 +22,26 @@ import (
 	"github.com/zilliztech/milvus-distributed/internal/querynode/client"
 )
 
-func TestLoadIndexService_FloatVector(t *testing.T) {
+func TestLoadIndexService(t *testing.T) {
 	node := newQueryNode()
 	collectionID := rand.Int63n(1000000)
 	segmentID := rand.Int63n(1000000)
 	initTestMeta(t, node, "collection0", collectionID, segmentID)
 
 	// loadIndexService and statsService
-	suffix := "-test-search" + strconv.FormatInt(rand.Int63n(1000000), 10)
 	oldSearchChannelNames := Params.SearchChannelNames
-	newSearchChannelNames := makeNewChannelNames(oldSearchChannelNames, suffix)
+	var newSearchChannelNames []string
+	for _, channel := range oldSearchChannelNames {
+		newSearchChannelNames = append(newSearchChannelNames, channel+"new")
+	}
 	Params.SearchChannelNames = newSearchChannelNames
 
 	oldSearchResultChannelNames := Params.SearchChannelNames
-	newSearchResultChannelNames := makeNewChannelNames(oldSearchResultChannelNames, suffix)
+	var newSearchResultChannelNames []string
+	for _, channel := range oldSearchResultChannelNames {
+		newSearchResultChannelNames = append(newSearchResultChannelNames, channel+"new")
+	}
 	Params.SearchResultChannelNames = newSearchResultChannelNames
-
-	oldLoadIndexChannelNames := Params.LoadIndexChannelNames
-	newLoadIndexChannelNames := makeNewChannelNames(oldLoadIndexChannelNames, suffix)
-	Params.LoadIndexChannelNames = newLoadIndexChannelNames
-
-	oldStatsChannelName := Params.StatsChannelName
-	newStatsChannelNames := makeNewChannelNames([]string{oldStatsChannelName}, suffix)
-	Params.StatsChannelName = newStatsChannelNames[0]
 	go node.Start()
 
 	//generate insert data
@@ -331,319 +328,9 @@ func TestLoadIndexService_FloatVector(t *testing.T) {
 	}
 	Params.SearchChannelNames = oldSearchChannelNames
 	Params.SearchResultChannelNames = oldSearchResultChannelNames
-	Params.LoadIndexChannelNames = oldLoadIndexChannelNames
-	Params.StatsChannelName = oldStatsChannelName
 	fmt.Println("loadIndex floatVector test Done!")
 
 	defer assert.Equal(t, findFiledStats, true)
 	<-node.queryNodeLoopCtx.Done()
 	node.Close()
 }
-
-func TestLoadIndexService_BinaryVector(t *testing.T) {
-	node := newQueryNode()
-	collectionID := rand.Int63n(1000000)
-	segmentID := rand.Int63n(1000000)
-	initTestMeta(t, node, "collection0", collectionID, segmentID, true)
-
-	// loadIndexService and statsService
-	suffix := "-test-search-binary" + strconv.FormatInt(rand.Int63n(1000000), 10)
-	oldSearchChannelNames := Params.SearchChannelNames
-	newSearchChannelNames := makeNewChannelNames(oldSearchChannelNames, suffix)
-	Params.SearchChannelNames = newSearchChannelNames
-
-	oldSearchResultChannelNames := Params.SearchChannelNames
-	newSearchResultChannelNames := makeNewChannelNames(oldSearchResultChannelNames, suffix)
-	Params.SearchResultChannelNames = newSearchResultChannelNames
-
-	oldLoadIndexChannelNames := Params.LoadIndexChannelNames
-	newLoadIndexChannelNames := makeNewChannelNames(oldLoadIndexChannelNames, suffix)
-	Params.LoadIndexChannelNames = newLoadIndexChannelNames
-
-	oldStatsChannelName := Params.StatsChannelName
-	newStatsChannelNames := makeNewChannelNames([]string{oldStatsChannelName}, suffix)
-	Params.StatsChannelName = newStatsChannelNames[0]
-	go node.Start()
-
-	const msgLength = 1000
-	const receiveBufSize = 1024
-	const DIM = 128
-
-	// generator index data
-	var indexRowData []byte
-	for n := 0; n < msgLength; n++ {
-		for i := 0; i < DIM/8; i++ {
-			indexRowData = append(indexRowData, byte(rand.Intn(8)))
-		}
-	}
-
-	//generator insert data
-	var insertRowBlob []*commonpb.Blob
-	var timestamps []uint64
-	var rowIDs []int64
-	var hashValues []uint32
-	offset := 0
-	for n := 0; n < msgLength; n++ {
-		rowData := make([]byte, 0)
-		rowData = append(rowData, indexRowData[offset:offset+(DIM/8)]...)
-		offset += DIM / 8
-		age := make([]byte, 4)
-		binary.LittleEndian.PutUint32(age, 1)
-		rowData = append(rowData, age...)
-		blob := &commonpb.Blob{
-			Value: rowData,
-		}
-		insertRowBlob = append(insertRowBlob, blob)
-		timestamps = append(timestamps, uint64(n))
-		rowIDs = append(rowIDs, int64(n))
-		hashValues = append(hashValues, uint32(n))
-	}
-
-	var insertMsg msgstream.TsMsg = &msgstream.InsertMsg{
-		BaseMsg: msgstream.BaseMsg{
-			HashValues: hashValues,
-		},
-		InsertRequest: internalpb.InsertRequest{
-			MsgType:        internalpb.MsgType_kInsert,
-			ReqID:          0,
-			CollectionName: "collection0",
-			PartitionTag:   "default",
-			SegmentID:      segmentID,
-			ChannelID:      int64(0),
-			ProxyID:        int64(0),
-			Timestamps:     timestamps,
-			RowIDs:         rowIDs,
-			RowData:        insertRowBlob,
-		},
-	}
-	insertMsgPack := msgstream.MsgPack{
-		BeginTs: 0,
-		EndTs:   math.MaxUint64,
-		Msgs:    []msgstream.TsMsg{insertMsg},
-	}
-
-	// generate timeTick
-	timeTickMsg := &msgstream.TimeTickMsg{
-		BaseMsg: msgstream.BaseMsg{
-			BeginTimestamp: 0,
-			EndTimestamp:   0,
-			HashValues:     []uint32{0},
-		},
-		TimeTickMsg: internalpb.TimeTickMsg{
-			MsgType:   internalpb.MsgType_kTimeTick,
-			PeerID:    UniqueID(0),
-			Timestamp: math.MaxUint64,
-		},
-	}
-	timeTickMsgPack := &msgstream.MsgPack{
-		Msgs: []msgstream.TsMsg{timeTickMsg},
-	}
-
-	// pulsar produce
-	insertChannels := Params.InsertChannelNames
-	ddChannels := Params.DDChannelNames
-
-	insertStream := msgstream.NewPulsarMsgStream(node.queryNodeLoopCtx, receiveBufSize)
-	insertStream.SetPulsarClient(Params.PulsarAddress)
-	insertStream.CreatePulsarProducers(insertChannels)
-	ddStream := msgstream.NewPulsarMsgStream(node.queryNodeLoopCtx, receiveBufSize)
-	ddStream.SetPulsarClient(Params.PulsarAddress)
-	ddStream.CreatePulsarProducers(ddChannels)
-
-	var insertMsgStream msgstream.MsgStream = insertStream
-	insertMsgStream.Start()
-	var ddMsgStream msgstream.MsgStream = ddStream
-	ddMsgStream.Start()
-
-	err := insertMsgStream.Produce(&insertMsgPack)
-	assert.NoError(t, err)
-	err = insertMsgStream.Broadcast(timeTickMsgPack)
-	assert.NoError(t, err)
-	err = ddMsgStream.Broadcast(timeTickMsgPack)
-	assert.NoError(t, err)
-
-	//generate search data and send search msg
-	searchRowData := indexRowData[42*(DIM/8) : 43*(DIM/8)]
-	dslString := "{\"bool\": { \n\"vector\": {\n \"vec\": {\n \"metric_type\": \"JACCARD\", \n \"params\": {\n \"nprobe\": 10 \n},\n \"query\": \"$0\",\"topk\": 10 \n } \n } \n } \n }"
-	placeholderValue := servicepb.PlaceholderValue{
-		Tag:    "$0",
-		Type:   servicepb.PlaceholderType_VECTOR_BINARY,
-		Values: [][]byte{searchRowData},
-	}
-	placeholderGroup := servicepb.PlaceholderGroup{
-		Placeholders: []*servicepb.PlaceholderValue{&placeholderValue},
-	}
-	placeGroupByte, err := proto.Marshal(&placeholderGroup)
-	if err != nil {
-		log.Print("marshal placeholderGroup failed")
-	}
-	query := servicepb.Query{
-		CollectionName:   "collection0",
-		PartitionTags:    []string{"default"},
-		Dsl:              dslString,
-		PlaceholderGroup: placeGroupByte,
-	}
-	queryByte, err := proto.Marshal(&query)
-	if err != nil {
-		log.Print("marshal query failed")
-	}
-	blob := commonpb.Blob{
-		Value: queryByte,
-	}
-	fn := func(n int64) *msgstream.MsgPack {
-		searchMsg := &msgstream.SearchMsg{
-			BaseMsg: msgstream.BaseMsg{
-				HashValues: []uint32{0},
-			},
-			SearchRequest: internalpb.SearchRequest{
-				MsgType:         internalpb.MsgType_kSearch,
-				ReqID:           n,
-				ProxyID:         int64(1),
-				Timestamp:       uint64(msgLength),
-				ResultChannelID: int64(0),
-				Query:           &blob,
-			},
-		}
-		return &msgstream.MsgPack{
-			Msgs: []msgstream.TsMsg{searchMsg},
-		}
-	}
-	searchStream := msgstream.NewPulsarMsgStream(node.queryNodeLoopCtx, receiveBufSize)
-	searchStream.SetPulsarClient(Params.PulsarAddress)
-	searchStream.CreatePulsarProducers(newSearchChannelNames)
-	searchStream.Start()
-	err = searchStream.Produce(fn(1))
-	assert.NoError(t, err)
-
-	//get search result
-	searchResultStream := msgstream.NewPulsarMsgStream(node.queryNodeLoopCtx, receiveBufSize)
-	searchResultStream.SetPulsarClient(Params.PulsarAddress)
-	unmarshalDispatcher := msgstream.NewUnmarshalDispatcher()
-	searchResultStream.CreatePulsarConsumers(newSearchResultChannelNames, "loadIndexTestSubSearchResult2", unmarshalDispatcher, receiveBufSize)
-	searchResultStream.Start()
-	searchResult := searchResultStream.Consume()
-	assert.NotNil(t, searchResult)
-	unMarshaledHit := servicepb.Hits{}
-	err = proto.Unmarshal(searchResult.Msgs[0].(*msgstream.SearchResultMsg).Hits[0], &unMarshaledHit)
-	assert.Nil(t, err)
-
-	// gen load index message pack
-	indexParams := make(map[string]string)
-	indexParams["index_type"] = "BIN_IVF_FLAT"
-	indexParams["index_mode"] = "cpu"
-	indexParams["dim"] = "128"
-	indexParams["k"] = "10"
-	indexParams["nlist"] = "100"
-	indexParams["nprobe"] = "10"
-	indexParams["m"] = "4"
-	indexParams["nbits"] = "8"
-	indexParams["metric_type"] = "JACCARD"
-	indexParams["SLICE_SIZE"] = "4"
-
-	var indexParamsKV []*commonpb.KeyValuePair
-	for key, value := range indexParams {
-		indexParamsKV = append(indexParamsKV, &commonpb.KeyValuePair{
-			Key:   key,
-			Value: value,
-		})
-	}
-
-	// generator index
-	typeParams := make(map[string]string)
-	typeParams["dim"] = "128"
-	index, err := indexbuilder.NewCIndex(typeParams, indexParams)
-	assert.Nil(t, err)
-	err = index.BuildBinaryVecIndexWithoutIds(indexRowData)
-	assert.Equal(t, err, nil)
-
-	option := &minioKV.Option{
-		Address:           Params.MinioEndPoint,
-		AccessKeyID:       Params.MinioAccessKeyID,
-		SecretAccessKeyID: Params.MinioSecretAccessKey,
-		UseSSL:            Params.MinioUseSSLStr,
-		BucketName:        Params.MinioBucketName,
-		CreateBucket:      true,
-	}
-
-	minioKV, err := minioKV.NewMinIOKV(node.queryNodeLoopCtx, option)
-	assert.Equal(t, err, nil)
-	//save index to minio
-	binarySet, err := index.Serialize()
-	assert.Equal(t, err, nil)
-	indexPaths := make([]string, 0)
-	for _, index := range binarySet {
-		path := strconv.Itoa(int(segmentID)) + "/" + index.Key
-		indexPaths = append(indexPaths, path)
-		minioKV.Save(path, string(index.Value))
-	}
-
-	//test index search result
-	indexResult, err := index.QueryOnBinaryVecIndexWithParam(searchRowData, indexParams)
-	assert.Equal(t, err, nil)
-
-	// create loadIndexClient
-	fieldID := UniqueID(100)
-	loadIndexChannelNames := Params.LoadIndexChannelNames
-	client := client.NewLoadIndexClient(node.queryNodeLoopCtx, Params.PulsarAddress, loadIndexChannelNames)
-	client.LoadIndex(indexPaths, segmentID, fieldID, "vec", indexParams)
-
-	// init message stream consumer and do checks
-	statsMs := msgstream.NewPulsarMsgStream(node.queryNodeLoopCtx, Params.StatsReceiveBufSize)
-	statsMs.SetPulsarClient(Params.PulsarAddress)
-	statsMs.CreatePulsarConsumers([]string{Params.StatsChannelName}, Params.MsgChannelSubName, msgstream.NewUnmarshalDispatcher(), Params.StatsReceiveBufSize)
-	statsMs.Start()
-
-	findFiledStats := false
-	for {
-		receiveMsg := msgstream.MsgStream(statsMs).Consume()
-		assert.NotNil(t, receiveMsg)
-		assert.NotEqual(t, len(receiveMsg.Msgs), 0)
-
-		for _, msg := range receiveMsg.Msgs {
-			statsMsg, ok := msg.(*msgstream.QueryNodeStatsMsg)
-			if statsMsg.FieldStats == nil || len(statsMsg.FieldStats) == 0 {
-				continue
-			}
-			findFiledStats = true
-			assert.Equal(t, ok, true)
-			assert.Equal(t, len(statsMsg.FieldStats), 1)
-			fieldStats0 := statsMsg.FieldStats[0]
-			assert.Equal(t, fieldStats0.FieldID, fieldID)
-			assert.Equal(t, fieldStats0.CollectionID, collectionID)
-			assert.Equal(t, len(fieldStats0.IndexStats), 1)
-			indexStats0 := fieldStats0.IndexStats[0]
-			params := indexStats0.IndexParams
-			// sort index params by key
-			sort.Slice(indexParamsKV, func(i, j int) bool { return indexParamsKV[i].Key < indexParamsKV[j].Key })
-			indexEqual := node.loadIndexService.indexParamsEqual(params, indexParamsKV)
-			assert.Equal(t, indexEqual, true)
-		}
-
-		if findFiledStats {
-			break
-		}
-	}
-
-	err = searchStream.Produce(fn(2))
-	assert.NoError(t, err)
-	searchResult = searchResultStream.Consume()
-	assert.NotNil(t, searchResult)
-	err = proto.Unmarshal(searchResult.Msgs[0].(*msgstream.SearchResultMsg).Hits[0], &unMarshaledHit)
-	assert.Nil(t, err)
-
-	idsIndex := indexResult.IDs()
-	idsSegment := unMarshaledHit.IDs
-	assert.Equal(t, len(idsIndex), len(idsSegment))
-	for i := 0; i < len(idsIndex); i++ {
-		assert.Equal(t, idsIndex[i], idsSegment[i])
-	}
-	Params.SearchChannelNames = oldSearchChannelNames
-	Params.SearchResultChannelNames = oldSearchResultChannelNames
-	Params.LoadIndexChannelNames = oldLoadIndexChannelNames
-	Params.StatsChannelName = oldStatsChannelName
-	fmt.Println("loadIndex binaryVector test Done!")
-
-	defer assert.Equal(t, findFiledStats, true)
-	<-node.queryNodeLoopCtx.Done()
-	node.Close()
-}
diff --git a/internal/querynode/query_node.go b/internal/querynode/query_node.go
index 41f9391e8b..819d2b8554 100644
--- a/internal/querynode/query_node.go
+++ b/internal/querynode/query_node.go
@@ -97,9 +97,6 @@ func (node *QueryNode) Close() {
 	if node.searchService != nil {
 		node.searchService.close()
 	}
-	if node.loadIndexService != nil {
-		node.loadIndexService.close()
-	}
 	if node.statsService != nil {
 		node.statsService.close()
 	}
diff --git a/internal/querynode/query_node_test.go b/internal/querynode/query_node_test.go
index 1217fa3da3..34ec092f52 100644
--- a/internal/querynode/query_node_test.go
+++ b/internal/querynode/query_node_test.go
@@ -35,7 +35,7 @@ func genTestCollectionMeta(collectionName string, collectionID UniqueID, isBinar
 			TypeParams: []*commonpb.KeyValuePair{
 				{
 					Key:   "dim",
-					Value: "128",
+					Value: "16",
 				},
 			},
 			IndexParams: []*commonpb.KeyValuePair{
@@ -92,12 +92,8 @@ func genTestCollectionMeta(collectionName string, collectionID UniqueID, isBinar
 	return &collectionMeta
 }
 
-func initTestMeta(t *testing.T, node *QueryNode, collectionName string, collectionID UniqueID, segmentID UniqueID, optional ...bool) {
-	isBinary := false
-	if len(optional) > 0 {
-		isBinary = optional[0]
-	}
-	collectionMeta := genTestCollectionMeta(collectionName, collectionID, isBinary)
+func initTestMeta(t *testing.T, node *QueryNode, collectionName string, collectionID UniqueID, segmentID UniqueID) {
+	collectionMeta := genTestCollectionMeta(collectionName, collectionID, false)
 
 	schemaBlob := proto.MarshalTextString(collectionMeta.Schema)
 	assert.NotEqual(t, "", schemaBlob)
diff --git a/scripts/init_devcontainer.sh b/scripts/init_devcontainer.sh
index afbca6fd34..6b30db984e 100755
--- a/scripts/init_devcontainer.sh
+++ b/scripts/init_devcontainer.sh
@@ -8,15 +8,6 @@ while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symli
 done
 ROOT_DIR="$( cd -P "$( dirname "$SOURCE" )/.." && pwd )"
 
-unameOut="$(uname -s)"
-case "${unameOut}" in
-    Linux*)     machine=Linux;;
-    Darwin*)    machine=Mac;;
-    CYGWIN*)    machine=Cygwin;;
-    MINGW*)     machine=MinGw;;
-    *)          machine="UNKNOWN:${unameOut}"
-esac
-
 # Attempt to run in the container with the same UID/GID as we have on the host,
 # as this results in the correct permissions on files created in the shared
 # volumes. This isn't always possible, however, as IDs less than 100 are
@@ -30,12 +21,8 @@ gid=$(id -g)
 [ "$uid" -lt 500 ] && uid=501
 [ "$gid" -lt 500 ] && gid=$uid
 
-awk 'c&&c--{sub(/^/,"#")} /# Build devcontainer/{c=5} 1' $ROOT_DIR/docker-compose.yml > $ROOT_DIR/docker-compose-vscode.yml.tmp
+awk 'c&&c--{sub(/^/,"#")} /# Build devcontainer/{c=5} 1' $ROOT_DIR/docker-compose.yml > $ROOT_DIR/docker-compose-vscode.yml.bak
 
-awk 'c&&c--{sub(/^/,"#")} /# Command/{c=3} 1' $ROOT_DIR/docker-compose-vscode.yml.tmp > $ROOT_DIR/docker-compose-vscode.yml
+awk 'c&&c--{sub(/^/,"#")} /# Command/{c=3} 1' $ROOT_DIR/docker-compose-vscode.yml.bak > $ROOT_DIR/docker-compose-vscode.yml
 
-if [ "${machine}" == "Mac" ];then
-    sed -i '' "s/# user: {{ CURRENT_ID }}/user: \"$uid:$gid\"/g" $ROOT_DIR/docker-compose-vscode.yml
-else
-    sed -i "s/# user: {{ CURRENT_ID }}/user: \"$uid:$gid\"/g" $ROOT_DIR/docker-compose-vscode.yml
-fi
\ No newline at end of file
+sed -i '.bak' "s/# user: {{ CURRENT_ID }}/user: \"$uid:$gid\"/g" $ROOT_DIR/docker-compose-vscode.yml