diff --git a/states/download_pk.go b/states/download_pk.go
index 976ecaf..6b62e4c 100644
--- a/states/download_pk.go
+++ b/states/download_pk.go
@@ -12,6 +12,7 @@ import (
 	"github.com/manifoldco/promptui"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/datapb"
 	"github.com/milvus-io/birdwatcher/states/etcd/common"
+	etcdversion "github.com/milvus-io/birdwatcher/states/etcd/version"
 	"github.com/minio/minio-go/v7"
 	"github.com/minio/minio-go/v7/pkg/credentials"
 	"github.com/spf13/cobra"
@@ -28,7 +29,9 @@ func getDownloadPKCmd(cli clientv3.KV, basePath string) *cobra.Command {
 				return err
 			}
 
-			coll, err := common.GetCollectionByID(cli, basePath, collectionID)
+			ctx, cancel := context.WithCancel(context.Background())
+			defer cancel()
+			coll, err := common.GetCollectionByIDVersion(ctx, cli, basePath, etcdversion.GetVersion(), collectionID)
 			if err != nil {
 				fmt.Println("Collection not found for id", collectionID)
 				return nil
diff --git a/states/etcd/common/channel.go b/states/etcd/common/channel.go
index 241a824..1fba247 100644
--- a/states/etcd/common/channel.go
+++ b/states/etcd/common/channel.go
@@ -58,9 +58,7 @@ func ListChannelWatch(ctx context.Context, cli clientv3.KV, basePath string, ver
 			return nil, err
 		}
 		result = lo.Map(infos, func(info datapbv2.ChannelWatchInfo, idx int) *models.ChannelWatch {
-			fmt.Println(info.String())
 			return models.GetChannelWatchInfo[*datapbv2.ChannelWatchInfo, datapbv2.ChannelWatchState, *datapbv2.VchannelInfo, *internalpbv2.MsgPosition](&info, paths[idx])
-
 		})
 	default:
 		return nil, errors.New("version not supported")
diff --git a/states/etcd/common/collection.go b/states/etcd/common/collection.go
index bc4c698..340ae86 100644
--- a/states/etcd/common/collection.go
+++ b/states/etcd/common/collection.go
@@ -112,39 +112,6 @@ func ListCollectionsVersion(ctx context.Context, cli clientv3.KV, basePath strin
 	}
 }
 
-// GetCollectionByID returns collection info from etcd with provided id.
-func GetCollectionByID(cli clientv3.KV, basePath string, collID int64) (*etcdpb.CollectionInfo, error) {
-	ctx, cancel := context.WithTimeout(context.Background(), time.Second*3)
-	defer cancel()
-	resp, err := cli.Get(ctx, path.Join(basePath, CollectionMetaPrefix, strconv.FormatInt(collID, 10)))
-
-	if err != nil {
-		return nil, err
-	}
-
-	if len(resp.Kvs) != 1 {
-		return nil, errors.New("invalid collection id")
-	}
-
-	if bytes.Equal(resp.Kvs[0].Value, CollectionTombstone) {
-		return nil, fmt.Errorf("%w, collection id: %d", ErrCollectionDropped, collID)
-	}
-
-	coll := &etcdpb.CollectionInfo{}
-
-	err = proto.Unmarshal(resp.Kvs[0].Value, coll)
-	if err != nil {
-		return nil, err
-	}
-
-	err = FillFieldSchemaIfEmpty(cli, basePath, coll)
-	if err != nil {
-		return nil, err
-	}
-
-	return coll, nil
-}
-
 // GetCollectionByIDVersion retruns collection info from etcd with provided version & id.
 func GetCollectionByIDVersion(ctx context.Context, cli clientv3.KV, basePath string, version string, collID int64) (*models.Collection, error) {
 
diff --git a/states/etcd/repair/channel.go b/states/etcd/repair/channel.go
index f1835b2..c345880 100644
--- a/states/etcd/repair/channel.go
+++ b/states/etcd/repair/channel.go
@@ -8,6 +8,7 @@ import (
 	"github.com/milvus-io/birdwatcher/proto/v2.0/commonpb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/datapb"
 	"github.com/milvus-io/birdwatcher/states/etcd/common"
+	etcdversion "github.com/milvus-io/birdwatcher/states/etcd/version"
 	"github.com/spf13/cobra"
 	clientv3 "go.etcd.io/etcd/client/v3"
 	"google.golang.org/grpc"
@@ -36,15 +37,17 @@ func ChannelCommand(cli clientv3.KV, basePath string) *cobra.Command {
 				return
 			}
 
-			coll, err := common.GetCollectionByID(cli, basePath, collID)
+			ctx, cancel := context.WithCancel(context.Background())
+			defer cancel()
+			coll, err := common.GetCollectionByIDVersion(ctx, cli, basePath, etcdversion.GetVersion(), collID)
 			if err != nil {
 				fmt.Println("collection not found")
 				return
 			}
 
 			chans := make(map[string]struct{})
-			for _, vchan := range coll.GetVirtualChannelNames() {
-				chans[vchan] = struct{}{}
+			for _, c := range coll.Channels {
+				chans[c.VirtualName] = struct{}{}
 			}
 
 			infos, _, err := common.ListChannelWatchV1(cli, basePath)
diff --git a/states/etcd/repair/checkpoint.go b/states/etcd/repair/checkpoint.go
index e7713ba..585e6d1 100644
--- a/states/etcd/repair/checkpoint.go
+++ b/states/etcd/repair/checkpoint.go
@@ -10,12 +10,13 @@ import (
 	"github.com/spf13/cobra"
 	clientv3 "go.etcd.io/etcd/client/v3"
 
+	"github.com/milvus-io/birdwatcher/models"
 	"github.com/milvus-io/birdwatcher/mq"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/commonpb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/datapb"
-	"github.com/milvus-io/birdwatcher/proto/v2.0/etcdpb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/internalpb"
 	"github.com/milvus-io/birdwatcher/states/etcd/common"
+	etcdversion "github.com/milvus-io/birdwatcher/states/etcd/version"
 	"github.com/milvus-io/birdwatcher/utils"
 )
 
@@ -46,7 +47,11 @@ func CheckpointCommand(cli clientv3.KV, basePath string) *cobra.Command {
 				return
 			}
 
-			coll, err := common.GetCollectionByID(cli, basePath, collID)
+			//coll, err := common.GetCollectionByID(cli, basePath, collID)
+			ctx, cancel := context.WithCancel(context.Background())
+			defer cancel()
+			coll, err := common.GetCollectionByIDVersion(ctx, cli, basePath, etcdversion.GetVersion(), collID)
+
 			if err != nil {
 				fmt.Println("failed to get collection", err.Error())
 				return
@@ -85,20 +90,20 @@ func CheckpointCommand(cli clientv3.KV, basePath string) *cobra.Command {
 	return cmd
 }
 
-func setCheckPointWithLatestMsgID(cli clientv3.KV, basePath string, coll *etcdpb.CollectionInfo, mqType, address, vchannel string) {
-	for _, ch := range coll.GetVirtualChannelNames() {
-		if ch == vchannel {
-			pChannel := ToPhysicalChannel(ch)
+func setCheckPointWithLatestMsgID(cli clientv3.KV, basePath string, coll *models.Collection, mqType, address, vchannel string) {
+	for _, ch := range coll.Channels {
+		if ch.VirtualName == vchannel {
+			pChannel := ch.PhysicalName
 			cp, err := getLatestFromPChannel(mqType, address, vchannel)
 			if err != nil {
-				fmt.Printf("vchannel:%s -> pchannel:%s, get latest msgID faile, err:%s\n", ch, pChannel, err.Error())
+				fmt.Printf("vchannel:%s -> pchannel:%s, get latest msgID faile, err:%s\n", ch.VirtualName, pChannel, err.Error())
 				return
 			}
 
-			err = saveChannelCheckpoint(cli, basePath, ch, cp)
+			err = saveChannelCheckpoint(cli, basePath, ch.VirtualName, cp)
 			t, _ := utils.ParseTS(cp.GetTimestamp())
 			if err != nil {
-				fmt.Printf("failed to set latest msgID(ts:%v) for vchannel:%s", t, ch)
+				fmt.Printf("failed to set latest msgID(ts:%v) for vchannel:%s", t, ch.VirtualName)
 				return
 			}
 			fmt.Printf("vchannel:%s set to latest msgID(ts:%v) finshed\n", vchannel, t)
@@ -108,7 +113,7 @@ func setCheckPointWithLatestMsgID(cli clientv3.KV, basePath string, coll *etcdpb
 	fmt.Printf("vchannel:%s doesn't exists in collection: %d\n", vchannel, coll.ID)
 }
 
-func setCheckPointWithLatestCheckPoint(cli clientv3.KV, basePath string, coll *etcdpb.CollectionInfo, vchannel string) {
+func setCheckPointWithLatestCheckPoint(cli clientv3.KV, basePath string, coll *models.Collection, vchannel string) {
 	pChannelName2LatestCP, err := getLatestCheckpointFromPChannel(cli, basePath)
 	if err != nil {
 		fmt.Println("failed to get latest cp of all pchannel", err.Error())
@@ -121,19 +126,19 @@ func setCheckPointWithLatestCheckPoint(cli clientv3.KV, basePath string, coll *e
 		fmt.Printf("pchannel: %s, the lastest checkpoint ts: %v\n", k, t)
 	}
 
-	for _, ch := range coll.GetVirtualChannelNames() {
-		if ch == vchannel {
-			pChannel := ToPhysicalChannel(ch)
+	for _, ch := range coll.Channels {
+		if ch.VirtualName == vchannel {
+			pChannel := ch.PhysicalName
 			cp, ok := pChannelName2LatestCP[pChannel]
 			if !ok {
-				fmt.Printf("vchannel:%s -> pchannel:%s, the pchannel doesn't exists\n", ch, pChannel)
+				fmt.Printf("vchannel:%s -> pchannel:%s, the pchannel doesn't exists\n", ch.VirtualName, pChannel)
 				return
 			}
 
-			err := saveChannelCheckpoint(cli, basePath, ch, cp)
+			err := saveChannelCheckpoint(cli, basePath, ch.VirtualName, cp)
 			t, _ := utils.ParseTS(cp.GetTimestamp())
 			if err != nil {
-				fmt.Printf("failed to set latest checkpoint(ts:%v) for vchannel:%s", t, ch)
+				fmt.Printf("failed to set latest checkpoint(ts:%v) for vchannel:%s", t, ch.VirtualName)
 				return
 			}
 			fmt.Printf("vchannel:%s set to latest checkpoint(ts:%v) finshed\n", vchannel, t)
diff --git a/states/etcd/repair/segment.go b/states/etcd/repair/segment.go
index 6d26db8..ac11028 100644
--- a/states/etcd/repair/segment.go
+++ b/states/etcd/repair/segment.go
@@ -6,12 +6,13 @@ import (
 	"path"
 
 	"github.com/golang/protobuf/proto"
+	"github.com/milvus-io/birdwatcher/models"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/commonpb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/datapb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/etcdpb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/indexpb"
-	"github.com/milvus-io/birdwatcher/proto/v2.0/schemapb"
 	"github.com/milvus-io/birdwatcher/states/etcd/common"
+	etcdversion "github.com/milvus-io/birdwatcher/states/etcd/version"
 	"github.com/spf13/cobra"
 	clientv3 "go.etcd.io/etcd/client/v3"
 )
@@ -86,7 +87,7 @@ func SegmentCommand(cli clientv3.KV, basePath string) *cobra.Command {
 				buildID2Info[info.IndexBuildID] = info
 			}
 
-			collections := make(map[int64]*etcdpb.CollectionInfo)
+			collections := make(map[int64]*models.Collection)
 
 			targetOld := make(map[int64]*datapb.SegmentInfo)
 			target := make(map[int64]*datapb.SegmentInfo)
@@ -105,7 +106,11 @@ func SegmentCommand(cli clientv3.KV, basePath string) *cobra.Command {
 
 				coll, ok := collections[segment.CollectionID]
 				if !ok {
-					coll, err = common.GetCollectionByID(cli, basePath, segment.CollectionID)
+					//coll, err = common.GetCollectionByID(cli, basePath, segment.CollectionID)
+					ctx, cancel := context.WithCancel(context.Background())
+					defer cancel()
+					coll, err := common.GetCollectionByIDVersion(ctx, cli, basePath, etcdversion.GetVersion(), collID)
+
 					if err != nil {
 						fmt.Printf("failed to query collection(id=%d) info error: %s", segment.CollectionID, err.Error())
 						continue
@@ -117,9 +122,9 @@ func SegmentCommand(cli clientv3.KV, basePath string) *cobra.Command {
 
 				for _, segIdx := range segIdxs {
 					var valid bool
-					for _, field := range coll.GetSchema().GetFields() {
-						if field.GetFieldID() == segIdx.GetFieldID() {
-							if field.GetDataType() == schemapb.DataType_FloatVector || field.GetDataType() == schemapb.DataType_BinaryVector {
+					for _, field := range coll.Schema.Fields {
+						if field.FieldID == segIdx.GetFieldID() {
+							if field.DataType == models.DataTypeFloatVector || field.DataType == models.DataTypeBinaryVector {
 								valid = true
 							}
 							break
diff --git a/states/etcd/show/checkpoint.go b/states/etcd/show/checkpoint.go
index d5ddbc2..dc39b4b 100644
--- a/states/etcd/show/checkpoint.go
+++ b/states/etcd/show/checkpoint.go
@@ -9,6 +9,7 @@ import (
 	"github.com/milvus-io/birdwatcher/proto/v2.0/datapb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/internalpb"
 	"github.com/milvus-io/birdwatcher/states/etcd/common"
+	etcdversion "github.com/milvus-io/birdwatcher/states/etcd/version"
 	"github.com/milvus-io/birdwatcher/utils"
 	"github.com/spf13/cobra"
 	clientv3 "go.etcd.io/etcd/client/v3"
@@ -28,27 +29,27 @@ func CheckpointCommand(cli clientv3.KV, basePath string) *cobra.Command {
 				return
 			}
 
-			coll, err := common.GetCollectionByID(cli, basePath, collID)
+			coll, err := common.GetCollectionByIDVersion(context.Background(), cli, basePath, etcdversion.GetVersion(), collID)
 			if err != nil {
 				fmt.Println("failed to get collection", err.Error())
 				return
 			}
 
-			for _, vchannel := range coll.GetVirtualChannelNames() {
+			for _, channel := range coll.Channels {
 				var cp *internalpb.MsgPosition
 				var segmentID int64
 				var err error
-				cp, err = getChannelCheckpoint(cli, basePath, vchannel)
+				cp, err = getChannelCheckpoint(cli, basePath, channel.VirtualName)
 
 				if err != nil {
-					cp, segmentID, err = getCheckpointFromSegments(cli, basePath, collID, vchannel)
+					cp, segmentID, err = getCheckpointFromSegments(cli, basePath, collID, channel.VirtualName)
 				}
 
 				if cp == nil {
-					fmt.Printf("vchannel %s position nil\n", vchannel)
+					fmt.Printf("vchannel %s position nil\n", channel.VirtualName)
 				} else {
 					t, _ := utils.ParseTS(cp.GetTimestamp())
-					fmt.Printf("vchannel %s seek to %v, cp channel: %s", vchannel, t, cp.ChannelName)
+					fmt.Printf("vchannel %s seek to %v, cp channel: %s", channel.VirtualName, t, cp.ChannelName)
 					if segmentID > 0 {
 						fmt.Printf(", for segment ID:%d\n", segmentID)
 					} else {
diff --git a/states/force_release.go b/states/force_release.go
index 74b0f55..9b1b7c0 100644
--- a/states/force_release.go
+++ b/states/force_release.go
@@ -72,7 +72,7 @@ func getReleaseDroppedCollectionCmd(cli clientv3.KV, basePath string) *cobra.Com
 
 			var missing []int64
 			for _, info := range collectionLoadInfos {
-				_, err := common.GetCollectionByID(cli, basePath, info.CollectionID)
+				_, err := common.GetCollectionByIDVersion(ctx, cli, basePath, etcdversion.GetVersion(), info.CollectionID)
 				if err != nil {
 					missing = append(missing, info.CollectionID)
 				}
diff --git a/states/inspect_primary_key.go b/states/inspect_primary_key.go
index 0233f95..ed11526 100644
--- a/states/inspect_primary_key.go
+++ b/states/inspect_primary_key.go
@@ -1,6 +1,7 @@
 package states
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"path"
@@ -9,6 +10,7 @@ import (
 	"github.com/milvus-io/birdwatcher/proto/v2.0/commonpb"
 	"github.com/milvus-io/birdwatcher/proto/v2.0/datapb"
 	"github.com/milvus-io/birdwatcher/states/etcd/common"
+	etcdversion "github.com/milvus-io/birdwatcher/states/etcd/version"
 	"github.com/milvus-io/birdwatcher/storage"
 	"github.com/spf13/cobra"
 	clientv3 "go.etcd.io/etcd/client/v3"
@@ -50,7 +52,10 @@ func getInspectPKCmd(cli clientv3.KV, basePath string) *cobra.Command {
 				}
 				pkID, has := cachedCollection[segment.CollectionID]
 				if !has {
-					coll, err := common.GetCollectionByID(cli, basePath, segment.CollectionID)
+					ctx, cancel := context.WithCancel(context.Background())
+					defer cancel()
+					coll, err := common.GetCollectionByIDVersion(ctx, cli, basePath, etcdversion.GetVersion(), segment.GetCollectionID())
+
 					if err != nil {
 						fmt.Println("Collection not found for id", segment.CollectionID)
 						return