diff --git a/internal/api/init.go b/internal/api/init.go
index bc8c3c884..308902eb5 100644
--- a/internal/api/init.go
+++ b/internal/api/init.go
@@ -30,7 +30,6 @@ import (
 	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"
-	"github.com/openimsdk/tools/discovery"
 	"github.com/openimsdk/tools/discovery/etcd"
 	"github.com/openimsdk/tools/errs"
 	"github.com/openimsdk/tools/log"
@@ -57,10 +56,7 @@ func Start(ctx context.Context, index int, config *Config) error {
 
 	config.RuntimeEnv = runtimeenv.PrintRuntimeEnvironment()
 
-	var client discovery.SvcDiscoveryRegistry
-
-	// Determine whether zk is passed according to whether it is a clustered deployment
-	client, err = kdisc.NewDiscoveryRegister(&config.Discovery, config.RuntimeEnv)
+	client, err := kdisc.NewDiscoveryRegister(&config.Discovery, config.RuntimeEnv)
 	if err != nil {
 		return errs.WrapMsg(err, "failed to register discovery service")
 	}
@@ -95,7 +91,7 @@ func Start(ctx context.Context, index int, config *Config) error {
 		return errs.New("only etcd support autoSetPorts", "RegisterName", "api").Wrap()
 	}
 
-	router := newGinRouter(client, config, client)
+	router := newGinRouter(client, config)
 	if config.API.Prometheus.Enable {
 		var (
 			listener net.Listener
diff --git a/internal/api/router.go b/internal/api/router.go
index fa2deaa38..d6bf4e130 100644
--- a/internal/api/router.go
+++ b/internal/api/router.go
@@ -47,7 +47,7 @@ func prommetricsGin() gin.HandlerFunc {
 	}
 }
 
-func newGinRouter(disCov discovery.SvcDiscoveryRegistry, config *Config, client discovery.SvcDiscoveryRegistry) *gin.Engine {
+func newGinRouter(disCov discovery.SvcDiscoveryRegistry, config *Config) *gin.Engine {
 	disCov.AddOption(mw.GrpcClient(), grpc.WithTransportCredentials(insecure.NewCredentials()),
 		grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"LoadBalancingPolicy": "%s"}`, "round_robin")))
 	gin.SetMode(gin.ReleaseMode)
@@ -68,7 +68,7 @@ func newGinRouter(disCov discovery.SvcDiscoveryRegistry, config *Config, client
 	u := NewUserApi(disCov, config.Discovery.RpcService.MessageGateway)
 	m := NewMessageApi(config.Share.IMAdminUserID)
 	j := jssdk.NewJSSdkApi()
-	pd := NewPrometheusDiscoveryApi(config, client)
+	pd := NewPrometheusDiscoveryApi(config, disCov)
 	userRouterGroup := r.Group("/user")
 	{
 		userRouterGroup.POST("/user_register", u.UserRegister)
diff --git a/internal/msgtransfer/init.go b/internal/msgtransfer/init.go
index 117a8dd47..19a53ebd5 100644
--- a/internal/msgtransfer/init.go
+++ b/internal/msgtransfer/init.go
@@ -25,6 +25,8 @@ import (
 	"strconv"
 	"syscall"
 
+	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
+	"github.com/openimsdk/tools/discovery"
 	"github.com/openimsdk/tools/discovery/etcd"
 	"github.com/openimsdk/tools/utils/jsonutil"
 	"github.com/openimsdk/tools/utils/network"
@@ -39,9 +41,7 @@ import (
 
 	conf "github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	discRegister "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
-	kdisc "github.com/openimsdk/open-im-server/v3/pkg/common/discoveryregister"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/controller"
-	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
 	"github.com/openimsdk/tools/errs"
 	"github.com/openimsdk/tools/log"
 	"github.com/openimsdk/tools/mw"
@@ -93,6 +93,9 @@ func Start(ctx context.Context, index int, config *Config) error {
 	}
 	client.AddOption(mw.GrpcClient(), grpc.WithTransportCredentials(insecure.NewCredentials()),
 		grpc.WithDefaultServiceConfig(fmt.Sprintf(`{"LoadBalancingPolicy": "%s"}`, "round_robin")))
+	if err = rpcclient.InitRpcCaller(client, config.Discovery.RpcService); err != nil {
+		return err
+	}
 
 	msgModel := redis.NewMsgCache(rdb)
 	msgDocModel, err := mgo.NewMsgMongo(mgocli.GetDB())
@@ -127,10 +130,10 @@ func Start(ctx context.Context, index int, config *Config) error {
 		historyMongoCH: historyMongoCH,
 		runTimeEnv:     runTimeEnv,
 	}
-	return msgTransfer.Start(index, config)
+	return msgTransfer.Start(index, config, client)
 }
 
-func (m *MsgTransfer) Start(index int, config *Config) error {
+func (m *MsgTransfer) Start(index int, config *Config, client discovery.SvcDiscoveryRegistry) error {
 	m.ctx, m.cancel = context.WithCancel(context.Background())
 	var (
 		netDone = make(chan struct{}, 1)
@@ -145,14 +148,6 @@ func (m *MsgTransfer) Start(index int, config *Config) error {
 		return err
 	}
 
-	client, err := kdisc.NewDiscoveryRegister(&config.Discovery, m.runTimeEnv)
-	if err != nil {
-		return errs.WrapMsg(err, "failed to register discovery service")
-	}
-	if err = rpcclient.InitRpcCaller(client, config.Discovery.RpcService); err != nil {
-		return err
-	}
-
 	registerIP, err := network.GetRpcRegisterIP("")
 	if err != nil {
 		return err