diff --git a/go.mod b/go.mod
index 2fe0631e8..4caa277da 100644
--- a/go.mod
+++ b/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/openimsdk/protocol v0.0.73-alpha.12
-	github.com/openimsdk/tools v0.0.50-alpha.117
+	github.com/openimsdk/tools v0.0.50-alpha.119
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.18.0
 	github.com/stretchr/testify v1.11.1
diff --git a/go.sum b/go.sum
index c6f331882..47059e30d 100644
--- a/go.sum
+++ b/go.sum
@@ -365,6 +365,8 @@ github.com/openimsdk/protocol v0.0.73-alpha.12 h1:2NYawXeHChYUeSme6QJ9pOLh+Empce
 github.com/openimsdk/protocol v0.0.73-alpha.12/go.mod h1:WF7EuE55vQvpyUAzDXcqg+B+446xQyEba0X35lTINmw=
 github.com/openimsdk/tools v0.0.50-alpha.117 h1:ACfijEVCeBcttT7OOkNGOOOvq14pJtb9szNIMHLm6Vc=
 github.com/openimsdk/tools v0.0.50-alpha.117/go.mod h1:I0WESSa7ghPIo9BL+ETlH/qEIbO6+KZioM1jwNuDwz0=
+github.com/openimsdk/tools v0.0.50-alpha.119 h1:S/RjRtL0ciwiG6pZKssbU//qVSWi7AuKHOPCHsQgz68=
+github.com/openimsdk/tools v0.0.50-alpha.119/go.mod h1:I0WESSa7ghPIo9BL+ETlH/qEIbO6+KZioM1jwNuDwz0=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
 github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
 github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ=
diff --git a/internal/msggateway/ws_server.go b/internal/msggateway/ws_server.go
index 404751df3..e3ab26f2d 100644
--- a/internal/msggateway/ws_server.go
+++ b/internal/msggateway/ws_server.go
@@ -14,6 +14,7 @@ import (
 	"github.com/openimsdk/tools/apiresp"
 
 	"github.com/go-playground/validator/v10"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/prommetrics"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/servererrs"
 	"github.com/openimsdk/open-im-server/v3/pkg/common/webhook"
@@ -288,25 +289,12 @@ func (ws *WsServer) registerClient(client *Client) {
 		}
 	}
 
-	wg := sync.WaitGroup{}
 	log.ZDebug(client.ctx, "ws.msgGatewayConfig.Discovery.Enable", "discoveryEnable", ws.msgGatewayConfig.Discovery.Enable)
 
-	if ws.msgGatewayConfig.Discovery.Enable != "k8s" {
-		wg.Add(1)
-		go func() {
-			defer wg.Done()
-			_ = ws.sendUserOnlineInfoToOtherNode(client.ctx, client)
-		}()
+	if ws.msgGatewayConfig.Discovery.Enable != config.KUBERNETES {
+		_ = ws.sendUserOnlineInfoToOtherNode(client.ctx, client)
 	}
 
-	//wg.Add(1)
-	//go func() {
-	//	defer wg.Done()
-	//	ws.SetUserOnlineStatus(client.ctx, client, constant.Online)
-	//}()
-
-	wg.Wait()
-
 	log.ZDebug(client.ctx, "user online", "online user Num", ws.onlineUserNum.Load(), "online user conn Num", ws.onlineUserConnNum.Load())
 }
 
diff --git a/internal/push/onlinepusher.go b/internal/push/onlinepusher.go
index 2393c3567..6db61059a 100644
--- a/internal/push/onlinepusher.go
+++ b/internal/push/onlinepusher.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"sync"
 
+	conf "github.com/openimsdk/open-im-server/v3/pkg/common/config"
 	"github.com/openimsdk/protocol/msggateway"
 	"github.com/openimsdk/protocol/sdkws"
 	"github.com/openimsdk/tools/discovery"
@@ -39,11 +40,11 @@ func (u emptyOnlinePusher) GetOnlinePushFailedUserIDs(ctx context.Context, msg *
 
 func NewOnlinePusher(disCov discovery.SvcDiscoveryRegistry, config *Config) OnlinePusher {
 	switch config.Discovery.Enable {
-	case "k8s":
-		return NewK8sStaticConsistentHash(disCov, config)
+	case conf.KUBERNETES:
+		return NewDefaultAllNode(disCov, config)
 	case "zookeeper":
 		return NewDefaultAllNode(disCov, config)
-	case "etcd":
+	case conf.ETCD:
 		return NewDefaultAllNode(disCov, config)
 	default:
 		return newEmptyOnlinePusher()
diff --git a/internal/tools/cron_test.go b/internal/tools/cron_test.go
index 890349069..8aa830935 100644
--- a/internal/tools/cron_test.go
+++ b/internal/tools/cron_test.go
@@ -23,7 +23,7 @@ func TestName(t *testing.T) {
 			Address:       []string{"localhost:12379"},
 		},
 	}
-	client, err := kdisc.NewDiscoveryRegister(conf, "source")
+	client, err := kdisc.NewDiscoveryRegister(conf, &config.Share{}, nil)
 	if err != nil {
 		panic(err)
 	}
diff --git a/pkg/common/config/config.go b/pkg/common/config/config.go
index 4cd202db4..7e54bf4d4 100644
--- a/pkg/common/config/config.go
+++ b/pkg/common/config/config.go
@@ -484,9 +484,14 @@ type ZooKeeper struct {
 }
 
 type Discovery struct {
-	Enable    string    `mapstructure:"enable"`
-	Etcd      Etcd      `mapstructure:"etcd"`
-	ZooKeeper ZooKeeper `mapstructure:"zooKeeper"`
+	Enable     string     `mapstructure:"enable"`
+	Etcd       Etcd       `mapstructure:"etcd"`
+	Kubernetes Kubernetes `mapstructure:"kubernetes"`
+	ZooKeeper  ZooKeeper  `mapstructure:"zooKeeper"`
+}
+
+type Kubernetes struct {
+	Namespace string `mapstructure:"namespace"`
 }
 
 type Etcd struct {
diff --git a/pkg/common/config/load_config_test.go b/pkg/common/config/load_config_test.go
index 763bffd9f..fab85c3a6 100644
--- a/pkg/common/config/load_config_test.go
+++ b/pkg/common/config/load_config_test.go
@@ -1,8 +1,12 @@
 package config
 
 import (
-	"github.com/stretchr/testify/assert"
+	"os"
+	"path/filepath"
+
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestLoadLogConfig(t *testing.T) {
@@ -27,6 +31,24 @@ func TestLoadWebhooksConfig(t *testing.T) {
 
 }
 
+func TestLoadDiscoveryKubernetesConfig(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "discovery.yml")
+	err := os.WriteFile(path, []byte(`enable: kubernetes
+kubernetes:
+  namespace: openim
+etcd:
+  rootDirectory: openim
+  address: [localhost:12379]
+`), 0600)
+	assert.Nil(t, err)
+
+	var discovery Discovery
+	err = LoadConfig(path, "IMENV_DISCOVERY", &discovery)
+	assert.Nil(t, err)
+	assert.Equal(t, KUBERNETES, discovery.Enable)
+	assert.Equal(t, "openim", discovery.Kubernetes.Namespace)
+}
+
 func TestLoadOpenIMRpcUserConfig(t *testing.T) {
 	var user User
 	err := LoadConfig("../../../config/openim-rpc-user.yml", "IMENV_OPENIM_RPC_USER", &user)
diff --git a/pkg/common/discoveryregister/discoveryregister.go b/pkg/common/discoveryregister/discoveryregister.go
index 110a08aa8..ec444defb 100644
--- a/pkg/common/discoveryregister/discoveryregister.go
+++ b/pkg/common/discoveryregister/discoveryregister.go
@@ -22,19 +22,26 @@ import (
 	"github.com/openimsdk/tools/discovery/etcd"
 	"github.com/openimsdk/tools/discovery/kubernetes"
 	"github.com/openimsdk/tools/errs"
+	"github.com/openimsdk/tools/utils/runtimeenv"
 	"google.golang.org/grpc"
 )
 
 // NewDiscoveryRegister creates a new service discovery and registry client based on the provided environment type.
 func NewDiscoveryRegister(discovery *config.Discovery, share *config.Share, watchNames []string) (discovery.SvcDiscoveryRegistry, error) {
-	switch discovery.Enable {
-	case "k8s":
-		return kubernetes.NewConnManager("default", watchNames,
+	if runtimeenv.RuntimeEnvironment() == config.KUBERNETES {
+		namespace := discovery.Kubernetes.Namespace
+		if namespace == "" {
+			namespace = "default"
+		}
+		return kubernetes.NewConnManager(namespace, watchNames,
 			grpc.WithDefaultCallOptions(
 				grpc.MaxCallSendMsgSize(1024*1024*20),
 			),
 		)
-	case "etcd":
+	}
+
+	switch discovery.Enable {
+	case config.ETCD:
 		return etcd.NewSvcDiscoveryRegistry(
 			discovery.Etcd.RootDirectory,
 			discovery.Etcd.Address,
diff --git a/pkg/common/discoveryregister/discoveryregister_test.go b/pkg/common/discoveryregister/discoveryregister_test.go
index 417226645..3e90e324a 100644
--- a/pkg/common/discoveryregister/discoveryregister_test.go
+++ b/pkg/common/discoveryregister/discoveryregister_test.go
@@ -15,16 +15,12 @@
 package discoveryregister
 
 import (
-	"os"
-)
+	"strings"
+	"testing"
 
-func setupTestEnvironment() {
-	os.Setenv("ZOOKEEPER_SCHEMA", "openim")
-	os.Setenv("ZOOKEEPER_ADDRESS", "172.28.0.1")
-	os.Setenv("ZOOKEEPER_PORT", "12181")
-	os.Setenv("ZOOKEEPER_USERNAME", "")
-	os.Setenv("ZOOKEEPER_PASSWORD", "")
-}
+	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
+	"github.com/openimsdk/tools/utils/runtimeenv"
+)
 
 //func TestNewDiscoveryRegister(t *testing.T) {
 //	setupTestEnvironment()
@@ -58,3 +54,23 @@ func setupTestEnvironment() {
 //		}
 //	}
 //}
+
+func TestNewDiscoveryRegisterRejectsKubernetesOutsideCluster(t *testing.T) {
+	if runtimeenv.RuntimeEnvironment() == config.KUBERNETES {
+		t.Skip("outside-cluster fallback is only relevant outside Kubernetes")
+	}
+	discovery := &config.Discovery{
+		Enable: config.KUBERNETES,
+		Kubernetes: config.Kubernetes{
+			Namespace: "default",
+		},
+	}
+
+	client, err := NewDiscoveryRegister(discovery, &config.Share{}, nil)
+	if err == nil && client != nil {
+		client.Close()
+	}
+	if err == nil || !strings.Contains(err.Error(), "unsupported discovery type") {
+		t.Fatalf("%q outside Kubernetes should not select Kubernetes discovery: %v", config.KUBERNETES, err)
+	}
+}