diff --git a/cmd/openim-api/main.go b/cmd/openim-api/main.go
index 0f50c621fd..1375655ba2 100644
--- a/cmd/openim-api/main.go
+++ b/cmd/openim-api/main.go
@@ -17,13 +17,12 @@ package main
 import (
 	"context"
 	"fmt"
-	ginProm "github.com/openimsdk/open-im-server/v3/pkg/common/ginPrometheus"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
 	"net"
 	_ "net/http/pprof"
 	"strconv"
 
-	"github.com/openimsdk/open-im-server/v3/pkg/common/discovery_register"
+	ginProm "github.com/openimsdk/open-im-server/v3/pkg/common/ginprometheus"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 
 	"github.com/OpenIMSDK/protocol/constant"
 	"github.com/OpenIMSDK/tools/discoveryregistry"
@@ -33,6 +32,7 @@ import (
 	"github.com/openimsdk/open-im-server/v3/pkg/common/cmd"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
+	kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
 )
 
 func main() {
@@ -65,7 +65,7 @@ func run(port int, proPort int) error {
 	var client discoveryregistry.SvcDiscoveryRegistry
 
 	// Determine whether zk is passed according to whether it is a clustered deployment
-	client, err = discovery_register.NewDiscoveryRegister(config.Config.Envs.Discovery)
+	client, err = kdisc.NewDiscoveryRegister(config.Config.Envs.Discovery)
 	if err != nil {
 		log.ZError(context.Background(), "Failed to initialize discovery register", err)
 
@@ -86,7 +86,7 @@ func run(port int, proPort int) error {
 	router := api.NewGinRouter(client, rdb)
 	//////////////////////////////
 	if config.Config.Prometheus.Enable {
-		p := ginProm.NewPrometheus("app", prom_metrics.GetGinCusMetrics("Api"))
+		p := ginProm.NewPrometheus("app", prommetrics.GetGinCusMetrics("Api"))
 		p.SetListenAddress(fmt.Sprintf(":%d", proPort))
 		p.Use(router)
 	}
diff --git a/internal/msggateway/n_ws_server.go b/internal/msggateway/n_ws_server.go
index c58710e1bc..2466da2ebb 100644
--- a/internal/msggateway/n_ws_server.go
+++ b/internal/msggateway/n_ws_server.go
@@ -17,7 +17,6 @@ package msggateway
 import (
 	"context"
 	"errors"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
 	"net/http"
 	"strconv"
 	"sync"
@@ -33,6 +32,7 @@ import (
 
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 
 	"github.com/redis/go-redis/v9"
 
@@ -221,7 +221,7 @@ func (ws *WsServer) registerClient(client *Client) {
 	if !userOK {
 		ws.clients.Set(client.UserID, client)
 		log.ZDebug(client.ctx, "user not exist", "userID", client.UserID, "platformID", client.PlatformID)
-		prom_metrics.OnlineUserGauge.Add(1)
+		prommetrics.OnlineUserGauge.Add(1)
 		ws.onlineUserNum.Add(1)
 		ws.onlineUserConnNum.Add(1)
 	} else {
@@ -361,7 +361,7 @@ func (ws *WsServer) unregisterClient(client *Client) {
 	isDeleteUser := ws.clients.delete(client.UserID, client.ctx.GetRemoteAddr())
 	if isDeleteUser {
 		ws.onlineUserNum.Add(-1)
-		prom_metrics.OnlineUserGauge.Dec()
+		prommetrics.OnlineUserGauge.Dec()
 	}
 	ws.onlineUserConnNum.Add(-1)
 	ws.SetUserOnlineStatus(client.ctx, client, constant.Offline)
diff --git a/internal/msgtransfer/init.go b/internal/msgtransfer/init.go
index c18186fa8d..bebf6819a9 100644
--- a/internal/msgtransfer/init.go
+++ b/internal/msgtransfer/init.go
@@ -17,16 +17,15 @@ package msgtransfer
 import (
 	"errors"
 	"fmt"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/discovery_register"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
+	"log"
+	"net/http"
+	"sync"
+
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/collectors"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
-	"log"
-	"net/http"
-	"sync"
 
 	"github.com/OpenIMSDK/tools/mw"
 
@@ -36,6 +35,8 @@ import (
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/relation"
 	relationtb "github.com/openimsdk/open-im-server/v3/pkg/common/db/table/relation"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/unrelation"
+	kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
 )
 
@@ -65,7 +66,7 @@ func StartTransfer(prometheusPort int) error {
 	if err := mongo.CreateMsgIndex(); err != nil {
 		return err
 	}
-	client, err := discovery_register.NewDiscoveryRegister(config.Config.Envs.Discovery)
+	client, err := kdisc.NewDiscoveryRegister(config.Config.Envs.Discovery)
 	/*
 		client, err := openkeeper.NewClient(config.Config.Zookeeper.ZkAddr, config.Config.Zookeeper.Schema,
 			openkeeper.WithFreq(time.Hour), openkeeper.WithRoundRobin(), openkeeper.WithUserNameAndPassword(config.Config.Zookeeper.Username,
@@ -123,7 +124,7 @@ func (m *MsgTransfer) Start(prometheusPort int) error {
 		reg.MustRegister(
 			collectors.NewGoCollector(),
 		)
-		reg.MustRegister(prom_metrics.GetGrpcCusMetrics("Transfer")...)
+		reg.MustRegister(prommetrics.GetGrpcCusMetrics("Transfer")...)
 		http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{Registry: reg}))
 		log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", prometheusPort), nil))
 	}
diff --git a/internal/msgtransfer/online_msg_to_mongo_handler.go b/internal/msgtransfer/online_msg_to_mongo_handler.go
index 88fd256d14..8ef15fe72e 100644
--- a/internal/msgtransfer/online_msg_to_mongo_handler.go
+++ b/internal/msgtransfer/online_msg_to_mongo_handler.go
@@ -16,7 +16,6 @@ package msgtransfer
 
 import (
 	"context"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
 
 	"github.com/IBM/sarama"
 	"google.golang.org/protobuf/proto"
@@ -27,6 +26,7 @@ import (
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/controller"
 	kfk "github.com/openimsdk/open-im-server/v3/pkg/common/kafka"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 )
 
 type OnlineHistoryMongoConsumerHandler struct {
@@ -75,9 +75,9 @@ func (mc *OnlineHistoryMongoConsumerHandler) handleChatWs2Mongo(
 			"conversationID",
 			msgFromMQ.ConversationID,
 		)
-		prom_metrics.MsgInsertMongoFailedCounter.Inc()
+		prommetrics.MsgInsertMongoFailedCounter.Inc()
 	} else {
-		prom_metrics.MsgInsertMongoSuccessCounter.Inc()
+		prommetrics.MsgInsertMongoSuccessCounter.Inc()
 	}
 	var seqs []int64
 	for _, msg := range msgFromMQ.MsgData {
diff --git a/internal/push/push_to_client.go b/internal/push/push_to_client.go
index 2f3156c288..44eea15400 100644
--- a/internal/push/push_to_client.go
+++ b/internal/push/push_to_client.go
@@ -18,7 +18,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
+
 	"github.com/openimsdk/open-im-server/v3/internal/push/offlinepush/dummy"
 
 	"github.com/OpenIMSDK/protocol/conversation"
@@ -41,6 +41,7 @@ import (
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/controller"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/localcache"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
 )
 
@@ -288,7 +289,7 @@ func (p *Pusher) offlinePushMsg(ctx context.Context, conversationID string, msg
 	}
 	err = p.offlinePusher.Push(ctx, offlinePushUserIDs, title, content, opts)
 	if err != nil {
-		prom_metrics.MsgOfflinePushFailedCounter.Inc()
+		prommetrics.MsgOfflinePushFailedCounter.Inc()
 		return err
 	}
 	return nil
diff --git a/internal/rpc/auth/auth.go b/internal/rpc/auth/auth.go
index bcca591522..ee8ead194d 100644
--- a/internal/rpc/auth/auth.go
+++ b/internal/rpc/auth/auth.go
@@ -16,7 +16,6 @@ package auth
 
 import (
 	"context"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
 
 	"github.com/openimsdk/open-im-server/v3/pkg/authverify"
 
@@ -35,6 +34,7 @@ import (
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/controller"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
 )
 
@@ -74,7 +74,7 @@ func (s *authServer) UserToken(ctx context.Context, req *pbauth.UserTokenReq) (*
 	if err != nil {
 		return nil, err
 	}
-	prom_metrics.UserLoginCounter.Inc()
+	prommetrics.UserLoginCounter.Inc()
 	resp.Token = token
 	resp.ExpireTimeSeconds = config.Config.TokenPolicy.Expire * 24 * 60 * 60
 	return &resp, nil
diff --git a/internal/rpc/msg/send.go b/internal/rpc/msg/send.go
index b43bc82be6..dd08292bde 100644
--- a/internal/rpc/msg/send.go
+++ b/internal/rpc/msg/send.go
@@ -16,8 +16,8 @@ package msg
 
 import (
 	"context"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
 
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 	"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
 
 	"github.com/OpenIMSDK/protocol/constant"
@@ -59,7 +59,7 @@ func (m *msgServer) sendMsgSuperGroupChat(
 	req *pbmsg.SendMsgReq,
 ) (resp *pbmsg.SendMsgResp, err error) {
 	if err = m.messageVerification(ctx, req); err != nil {
-		prom_metrics.GroupChatMsgProcessFailedCounter.Inc()
+		prommetrics.GroupChatMsgProcessFailedCounter.Inc()
 		return nil, err
 	}
 	if err = callbackBeforeSendGroupMsg(ctx, req); err != nil {
@@ -78,7 +78,7 @@ func (m *msgServer) sendMsgSuperGroupChat(
 	if err = callbackAfterSendGroupMsg(ctx, req); err != nil {
 		log.ZWarn(ctx, "CallbackAfterSendGroupMsg", err)
 	}
-	prom_metrics.GroupChatMsgProcessSuccessCounter.Inc()
+	prommetrics.GroupChatMsgProcessSuccessCounter.Inc()
 	resp = &pbmsg.SendMsgResp{}
 	resp.SendTime = req.MsgData.SendTime
 	resp.ServerMsgID = req.MsgData.ServerMsgID
@@ -161,7 +161,7 @@ func (m *msgServer) sendMsgSingleChat(ctx context.Context, req *pbmsg.SendMsgReq
 		}
 	}
 	if !isSend {
-		prom_metrics.SingleChatMsgProcessFailedCounter.Inc()
+		prommetrics.SingleChatMsgProcessFailedCounter.Inc()
 		return nil, nil
 	} else {
 		if err = callbackBeforeSendSingleMsg(ctx, req); err != nil {
@@ -171,7 +171,7 @@ func (m *msgServer) sendMsgSingleChat(ctx context.Context, req *pbmsg.SendMsgReq
 			return nil, err
 		}
 		if err := m.MsgDatabase.MsgToMQ(ctx, utils.GenConversationUniqueKeyForSingle(req.MsgData.SendID, req.MsgData.RecvID), req.MsgData); err != nil {
-			prom_metrics.SingleChatMsgProcessFailedCounter.Inc()
+			prommetrics.SingleChatMsgProcessFailedCounter.Inc()
 			return nil, err
 		}
 		err = callbackAfterSendSingleMsg(ctx, req)
@@ -183,7 +183,7 @@ func (m *msgServer) sendMsgSingleChat(ctx context.Context, req *pbmsg.SendMsgReq
 			ClientMsgID: req.MsgData.ClientMsgID,
 			SendTime:    req.MsgData.SendTime,
 		}
-		prom_metrics.SingleChatMsgProcessSuccessCounter.Inc()
+		prommetrics.SingleChatMsgProcessSuccessCounter.Inc()
 		return resp, nil
 	}
 }
diff --git a/internal/tools/msg.go b/internal/tools/msg.go
index f13938eba2..ad8f5c4717 100644
--- a/internal/tools/msg.go
+++ b/internal/tools/msg.go
@@ -23,7 +23,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 
-	"github.com/openimsdk/open-im-server/v3/pkg/common/discovery_register"
+	kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
 
 	"math/rand"
 
@@ -76,7 +76,7 @@ func InitMsgTool() (*MsgTool, error) {
 	if err != nil {
 		return nil, err
 	}
-	discov, err := discovery_register.NewDiscoveryRegister(config.Config.Envs.Discovery)
+	discov, err := kdisc.NewDiscoveryRegister(config.Config.Envs.Discovery)
 	/*
 		discov, err := zookeeper.NewClient(config.Config.Zookeeper.ZkAddr, config.Config.Zookeeper.Schema,
 			zookeeper.WithFreq(time.Hour), zookeeper.WithRoundRobin(), zookeeper.WithUserNameAndPassword(config.Config.Zookeeper.Username,
diff --git a/pkg/common/db/controller/msg.go b/pkg/common/db/controller/msg.go
index 62ecf7232e..b5249b5b44 100644
--- a/pkg/common/db/controller/msg.go
+++ b/pkg/common/db/controller/msg.go
@@ -17,7 +17,6 @@ package controller
 import (
 	"context"
 	"errors"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
 	"time"
 
 	"github.com/redis/go-redis/v9"
@@ -31,6 +30,7 @@ import (
 	unrelationtb "github.com/openimsdk/open-im-server/v3/pkg/common/db/table/unrelation"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/db/unrelation"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/kafka"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 	"go.mongodb.org/mongo-driver/mongo"
 
 	pbmsg "github.com/OpenIMSDK/protocol/msg"
@@ -376,20 +376,20 @@ func (db *commonMsgDatabase) BatchInsertChat2Cache(ctx context.Context, conversa
 	}
 	failedNum, err := db.cache.SetMessageToCache(ctx, conversationID, msgs)
 	if err != nil {
-		prom_metrics.MsgInsertRedisFailedCounter.Add(float64(failedNum))
+		prommetrics.MsgInsertRedisFailedCounter.Add(float64(failedNum))
 		log.ZError(ctx, "setMessageToCache error", err, "len", len(msgs), "conversationID", conversationID)
 	} else {
-		prom_metrics.MsgInsertRedisSuccessCounter.Inc()
+		prommetrics.MsgInsertRedisSuccessCounter.Inc()
 	}
 	err = db.cache.SetMaxSeq(ctx, conversationID, currentMaxSeq)
 	if err != nil {
 		log.ZError(ctx, "db.cache.SetMaxSeq error", err, "conversationID", conversationID)
-		prom_metrics.SeqSetFailedCounter.Inc()
+		prommetrics.SeqSetFailedCounter.Inc()
 	}
 	err2 := db.cache.SetHasReadSeqs(ctx, conversationID, userSeqMap)
 	if err != nil {
 		log.ZError(ctx, "SetHasReadSeqs error", err2, "userSeqMap", userSeqMap, "conversationID", conversationID)
-		prom_metrics.SeqSetFailedCounter.Inc()
+		prommetrics.SeqSetFailedCounter.Inc()
 	}
 	return lastMaxSeq, isNew, utils.Wrap(err, "")
 }
diff --git a/pkg/common/discovery_register/k8s_discovery_register.go b/pkg/common/discoveryregister/discoveryregister.go
similarity index 98%
rename from pkg/common/discovery_register/k8s_discovery_register.go
rename to pkg/common/discoveryregister/discoveryregister.go
index 81543a4474..c204184ff6 100644
--- a/pkg/common/discovery_register/k8s_discovery_register.go
+++ b/pkg/common/discoveryregister/discoveryregister.go
@@ -1,4 +1,4 @@
-package discovery_register
+package discoveryregister
 
 import (
 	"context"
diff --git a/pkg/common/discoveryregister/discoveryregister_test.go b/pkg/common/discoveryregister/discoveryregister_test.go
new file mode 100644
index 0000000000..8426598f9e
--- /dev/null
+++ b/pkg/common/discoveryregister/discoveryregister_test.go
@@ -0,0 +1,407 @@
+package discoveryregister
+
+import (
+	"context"
+	"reflect"
+	"testing"
+
+	"github.com/OpenIMSDK/tools/discoveryregistry"
+	"google.golang.org/grpc"
+)
+
+func TestNewDiscoveryRegister(t *testing.T) {
+	type args struct {
+		envType string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		want    discoveryregistry.SvcDiscoveryRegistry
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := NewDiscoveryRegister(tt.args.envType)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("NewDiscoveryRegister() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("NewDiscoveryRegister() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestNewK8sDiscoveryRegister(t *testing.T) {
+	tests := []struct {
+		name    string
+		want    discoveryregistry.SvcDiscoveryRegistry
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := NewK8sDiscoveryRegister()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("NewK8sDiscoveryRegister() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("NewK8sDiscoveryRegister() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestK8sDR_Register(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		serviceName string
+		host        string
+		port        int
+		opts        []grpc.DialOption
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			if err := cli.Register(tt.args.serviceName, tt.args.host, tt.args.port, tt.args.opts...); (err != nil) != tt.wantErr {
+				t.Errorf("K8sDR.Register() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestK8sDR_UnRegister(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			if err := cli.UnRegister(); (err != nil) != tt.wantErr {
+				t.Errorf("K8sDR.UnRegister() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestK8sDR_CreateRpcRootNodes(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		serviceNames []string
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			if err := cli.CreateRpcRootNodes(tt.args.serviceNames); (err != nil) != tt.wantErr {
+				t.Errorf("K8sDR.CreateRpcRootNodes() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestK8sDR_RegisterConf2Registry(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		key  string
+		conf []byte
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			if err := cli.RegisterConf2Registry(tt.args.key, tt.args.conf); (err != nil) != tt.wantErr {
+				t.Errorf("K8sDR.RegisterConf2Registry() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
+
+func TestK8sDR_GetConfFromRegistry(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		key string
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		want    []byte
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			got, err := cli.GetConfFromRegistry(tt.args.key)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("K8sDR.GetConfFromRegistry() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("K8sDR.GetConfFromRegistry() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestK8sDR_GetConns(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		ctx         context.Context
+		serviceName string
+		opts        []grpc.DialOption
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		want    []*grpc.ClientConn
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			got, err := cli.GetConns(tt.args.ctx, tt.args.serviceName, tt.args.opts...)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("K8sDR.GetConns() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("K8sDR.GetConns() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestK8sDR_GetConn(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		ctx         context.Context
+		serviceName string
+		opts        []grpc.DialOption
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		want    *grpc.ClientConn
+		wantErr bool
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			got, err := cli.GetConn(tt.args.ctx, tt.args.serviceName, tt.args.opts...)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("K8sDR.GetConn() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("K8sDR.GetConn() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestK8sDR_GetSelfConnTarget(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		want   string
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			if got := cli.GetSelfConnTarget(); got != tt.want {
+				t.Errorf("K8sDR.GetSelfConnTarget() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestK8sDR_AddOption(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		opts []grpc.DialOption
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		args   args
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			cli.AddOption(tt.args.opts...)
+		})
+	}
+}
+
+func TestK8sDR_CloseConn(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	type args struct {
+		conn *grpc.ClientConn
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		args   args
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			cli.CloseConn(tt.args.conn)
+		})
+	}
+}
+
+func TestK8sDR_GetClientLocalConns(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		want   map[string][]*grpc.ClientConn
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			if got := cli.GetClientLocalConns(); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("K8sDR.GetClientLocalConns() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestK8sDR_Close(t *testing.T) {
+	type fields struct {
+		options         []grpc.DialOption
+		rpcRegisterAddr string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+	}{
+		// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			cli := &K8sDR{
+				options:         tt.fields.options,
+				rpcRegisterAddr: tt.fields.rpcRegisterAddr,
+			}
+			cli.Close()
+		})
+	}
+}
diff --git a/pkg/common/ginPrometheus/ginPrometheus.go b/pkg/common/ginprometheus/ginprometheus.go
similarity index 99%
rename from pkg/common/ginPrometheus/ginPrometheus.go
rename to pkg/common/ginprometheus/ginprometheus.go
index 3f7cd65c40..50a6c3a2c7 100644
--- a/pkg/common/ginPrometheus/ginPrometheus.go
+++ b/pkg/common/ginprometheus/ginprometheus.go
@@ -1,4 +1,4 @@
-package ginPrometheus
+package ginprometheus
 
 import (
 	"bytes"
diff --git a/pkg/common/locker/doc.go b/pkg/common/locker/doc.go
deleted file mode 100644
index 8b9378f90c..0000000000
--- a/pkg/common/locker/doc.go
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright © 2023 OpenIM. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package locker // import "github.com/openimsdk/open-im-server/v3/pkg/common/locker"
diff --git a/pkg/common/locker/message_locker.go b/pkg/common/locker/message_locker.go
deleted file mode 100644
index 55241eb5fa..0000000000
--- a/pkg/common/locker/message_locker.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// Copyright © 2023 OpenIM. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package locker
-
-import (
-	"context"
-	"time"
-
-	"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
-)
-
-const GlOBALLOCK = "GLOBAL_LOCK"
-
-type MessageLocker interface {
-	LockMessageTypeKey(ctx context.Context, clientMsgID, typeKey string) (err error)
-	UnLockMessageTypeKey(ctx context.Context, clientMsgID string, typeKey string) error
-	LockGlobalMessage(ctx context.Context, clientMsgID string) (err error)
-	UnLockGlobalMessage(ctx context.Context, clientMsgID string) (err error)
-}
-type LockerMessage struct {
-	cache cache.MsgModel
-}
-
-func NewLockerMessage(cache cache.MsgModel) *LockerMessage {
-	return &LockerMessage{cache: cache}
-}
-
-func (l *LockerMessage) LockMessageTypeKey(ctx context.Context, clientMsgID, typeKey string) (err error) {
-	for i := 0; i < 3; i++ {
-		err = l.cache.LockMessageTypeKey(ctx, clientMsgID, typeKey)
-		if err != nil {
-			time.Sleep(time.Millisecond * 100)
-			continue
-		} else {
-			break
-		}
-	}
-	return err
-}
-
-func (l *LockerMessage) LockGlobalMessage(ctx context.Context, clientMsgID string) (err error) {
-	for i := 0; i < 3; i++ {
-		err = l.cache.LockMessageTypeKey(ctx, clientMsgID, GlOBALLOCK)
-		if err != nil {
-			time.Sleep(time.Millisecond * 100)
-			continue
-		} else {
-			break
-		}
-	}
-	return err
-}
-
-func (l *LockerMessage) UnLockMessageTypeKey(ctx context.Context, clientMsgID string, typeKey string) error {
-	return l.cache.UnLockMessageTypeKey(ctx, clientMsgID, typeKey)
-}
-
-func (l *LockerMessage) UnLockGlobalMessage(ctx context.Context, clientMsgID string) error {
-	return l.cache.UnLockMessageTypeKey(ctx, clientMsgID, GlOBALLOCK)
-}
diff --git a/pkg/common/prom_metrics/func.go b/pkg/common/prommetrics/func.go
similarity index 87%
rename from pkg/common/prom_metrics/func.go
rename to pkg/common/prommetrics/func.go
index e451c441b9..244f96b459 100644
--- a/pkg/common/prom_metrics/func.go
+++ b/pkg/common/prommetrics/func.go
@@ -1,9 +1,9 @@
-package prom_metrics
+package prommetrics
 
 import (
 	grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
 	config2 "github.com/openimsdk/open-im-server/v3/pkg/common/config"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/ginPrometheus"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/ginprometheus"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/collectors"
 )
@@ -35,11 +35,11 @@ func GetGrpcCusMetrics(registerName string) []prometheus.Collector {
 	}
 }
 
-func GetGinCusMetrics(name string) []*ginPrometheus.Metric {
+func GetGinCusMetrics(name string) []*ginprometheus.Metric {
 	switch name {
 	case "Api":
-		return []*ginPrometheus.Metric{ApiCustomCnt}
+		return []*ginprometheus.Metric{ApiCustomCnt}
 	default:
-		return []*ginPrometheus.Metric{ApiCustomCnt}
+		return []*ginprometheus.Metric{ApiCustomCnt}
 	}
 }
diff --git a/pkg/common/prom_metrics/gin-api.go b/pkg/common/prommetrics/gin-api.go
similarity index 91%
rename from pkg/common/prom_metrics/gin-api.go
rename to pkg/common/prommetrics/gin-api.go
index 7aa3f959ee..7cd82dad2c 100644
--- a/pkg/common/prom_metrics/gin-api.go
+++ b/pkg/common/prommetrics/gin-api.go
@@ -1,6 +1,6 @@
-package prom_metrics
+package prommetrics
 
-import ginProm "github.com/openimsdk/open-im-server/v3/pkg/common/ginPrometheus"
+import ginProm "github.com/openimsdk/open-im-server/v3/pkg/common/ginprometheus"
 
 /*
 labels := prometheus.Labels{"label_one": "any", "label_two": "value"}
diff --git a/pkg/common/prom_metrics/grpc-auth.go b/pkg/common/prommetrics/grpc-auth.go
similarity index 90%
rename from pkg/common/prom_metrics/grpc-auth.go
rename to pkg/common/prommetrics/grpc-auth.go
index 7ca5f1f493..e44c146bea 100644
--- a/pkg/common/prom_metrics/grpc-auth.go
+++ b/pkg/common/prommetrics/grpc-auth.go
@@ -1,4 +1,4 @@
-package prom_metrics
+package prommetrics
 
 import (
 	"github.com/prometheus/client_golang/prometheus"
diff --git a/pkg/common/prom_metrics/grpc-msg.go b/pkg/common/prommetrics/grpc-msg.go
similarity index 97%
rename from pkg/common/prom_metrics/grpc-msg.go
rename to pkg/common/prommetrics/grpc-msg.go
index 14cb4d858d..88d4ef3ce9 100644
--- a/pkg/common/prom_metrics/grpc-msg.go
+++ b/pkg/common/prommetrics/grpc-msg.go
@@ -1,4 +1,4 @@
-package prom_metrics
+package prommetrics
 
 import (
 	"github.com/prometheus/client_golang/prometheus"
diff --git a/pkg/common/prom_metrics/grpc-msggateway.go b/pkg/common/prommetrics/grpc-msggateway.go
similarity index 90%
rename from pkg/common/prom_metrics/grpc-msggateway.go
rename to pkg/common/prommetrics/grpc-msggateway.go
index add72e391e..bb62426e19 100644
--- a/pkg/common/prom_metrics/grpc-msggateway.go
+++ b/pkg/common/prommetrics/grpc-msggateway.go
@@ -1,4 +1,4 @@
-package prom_metrics
+package prommetrics
 
 import (
 	"github.com/prometheus/client_golang/prometheus"
diff --git a/pkg/common/prom_metrics/grpc_push.go b/pkg/common/prommetrics/grpc_push.go
similarity index 92%
rename from pkg/common/prom_metrics/grpc_push.go
rename to pkg/common/prommetrics/grpc_push.go
index c05dd61805..aa5085c2c6 100644
--- a/pkg/common/prom_metrics/grpc_push.go
+++ b/pkg/common/prommetrics/grpc_push.go
@@ -1,4 +1,4 @@
-package prom_metrics
+package prommetrics
 
 import (
 	"github.com/prometheus/client_golang/prometheus"
diff --git a/pkg/common/prom_metrics/transfer.go b/pkg/common/prommetrics/transfer.go
similarity index 97%
rename from pkg/common/prom_metrics/transfer.go
rename to pkg/common/prommetrics/transfer.go
index d3fec47d98..6b03870b55 100644
--- a/pkg/common/prom_metrics/transfer.go
+++ b/pkg/common/prommetrics/transfer.go
@@ -1,4 +1,4 @@
-package prom_metrics
+package prommetrics
 
 import (
 	"github.com/prometheus/client_golang/prometheus"
diff --git a/pkg/common/startrpc/start.go b/pkg/common/startrpc/start.go
index 975d212467..09f7177ae3 100644
--- a/pkg/common/startrpc/start.go
+++ b/pkg/common/startrpc/start.go
@@ -16,18 +16,19 @@ package startrpc
 
 import (
 	"fmt"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/prom_metrics"
-	"github.com/prometheus/client_golang/prometheus"
-	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"log"
 	"net"
 	"net/http"
 	"strconv"
 
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+
 	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
-	"github.com/openimsdk/open-im-server/v3/pkg/common/discovery_register"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 
 	grpcprometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
+	kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 
@@ -55,7 +56,7 @@ func Start(
 		return err
 	}
 	defer listener.Close()
-	client, err := discovery_register.NewDiscoveryRegister(config.Config.Envs.Discovery)
+	client, err := kdisc.NewDiscoveryRegister(config.Config.Envs.Discovery)
 	if err != nil {
 		return utils.Wrap1(err)
 	}
@@ -70,8 +71,8 @@ func Start(
 	// ctx 中间件
 	if config.Config.Prometheus.Enable {
 		//////////////////////////
-		cusMetrics := prom_metrics.GetGrpcCusMetrics(rpcRegisterName)
-		reg, metric, err = prom_metrics.NewGrpcPromObj(cusMetrics)
+		cusMetrics := prommetrics.GetGrpcCusMetrics(rpcRegisterName)
+		reg, metric, err = prommetrics.NewGrpcPromObj(cusMetrics)
 		options = append(options, mw.GrpcServer(), grpc.StreamInterceptor(metric.StreamServerInterceptor()),
 			grpc.UnaryInterceptor(metric.UnaryServerInterceptor()))
 	} else {