diff --git a/cmd/dispatch/application.toml b/cmd/dispatch/application.toml
index b2adae53..ef83cd23 100644
--- a/cmd/dispatch/application.toml
+++ b/cmd/dispatch/application.toml
@@ -1,9 +1,5 @@
 http_port = 8080
 
-[hk4e]
-kcp_addr = "127.0.0.1"
-kcp_port = 22103
-
 [logger]
 level = "DEBUG"
 mode = "BOTH"
diff --git a/cmd/node/application.toml b/cmd/node/application.toml
index f19adaf2..c4df3002 100644
--- a/cmd/node/application.toml
+++ b/cmd/node/application.toml
@@ -1,7 +1,3 @@
-[hk4e]
-kcp_addr = "127.0.0.1"
-kcp_port = 22103
-
 [logger]
 level = "DEBUG"
 mode = "BOTH"
diff --git a/common/region/region.go b/common/region/region.go
index 4ef4a5c8..8b69298d 100644
--- a/common/region/region.go
+++ b/common/region/region.go
@@ -1,12 +1,15 @@
 package region
 
 import (
+	"encoding/base64"
 	"os"
 
 	"hk4e/pkg/endec"
 	"hk4e/pkg/logger"
 	"hk4e/pkg/random"
 	"hk4e/protocol/proto"
+
+	pb "google.golang.org/protobuf/proto"
 )
 
 func LoadRsaKey() (signRsaKey []byte, encRsaKeyMap map[string][]byte, pwdRsaKey []byte) {
@@ -33,20 +36,13 @@ func LoadRsaKey() (signRsaKey []byte, encRsaKeyMap map[string][]byte, pwdRsaKey
 	return signRsaKey, encRsaKeyMap, pwdRsaKey
 }
 
-func InitRegion(kcpAddr string, kcpPort int32, ec2b *random.Ec2b) (*proto.QueryCurrRegionHttpRsp, *proto.QueryRegionListHttpRsp, *random.Ec2b) {
-	dispatchEc2b := random.NewEc2b()
-	if ec2b != nil {
-		dispatchEc2b = ec2b
-	}
-	dispatchEc2bData := dispatchEc2b.Bytes()
-	dispatchXorKey := dispatchEc2b.XorKey()
-	// RegionCurr
-	regionCurr := new(proto.QueryCurrRegionHttpRsp)
-	regionCurr.RegionInfo = &proto.RegionInfo{
-		GateserverIp:   kcpAddr,
-		GateserverPort: uint32(kcpPort),
-		SecretKey:      dispatchEc2bData,
-	}
+func NewRegionEc2b() *random.Ec2b {
+	return random.NewEc2b()
+}
+
+func GetRegionList(ec2b *random.Ec2b) *proto.QueryRegionListHttpRsp {
+	dispatchEc2bData := ec2b.Bytes()
+	dispatchXorKey := ec2b.XorKey()
 	// RegionList
 	customConfigStr := `
 		{
@@ -73,5 +69,37 @@ func InitRegion(kcpAddr string, kcpPort int32, ec2b *random.Ec2b) (*proto.QueryC
 	regionList.ClientSecretKey = dispatchEc2bData
 	regionList.ClientCustomConfigEncrypted = customConfig
 	regionList.EnableLoginPc = true
-	return regionCurr, regionList, dispatchEc2b
+	return regionList
+}
+
+func GetRegionCurr(kcpAddr string, kcpPort int32, ec2b *random.Ec2b) *proto.QueryCurrRegionHttpRsp {
+	dispatchEc2bData := ec2b.Bytes()
+	// RegionCurr
+	regionCurr := new(proto.QueryCurrRegionHttpRsp)
+	regionCurr.RegionInfo = &proto.RegionInfo{
+		GateserverIp:   kcpAddr,
+		GateserverPort: uint32(kcpPort),
+		SecretKey:      dispatchEc2bData,
+	}
+	return regionCurr
+}
+
+func GetRegionListBase64(ec2b *random.Ec2b) string {
+	regionList := GetRegionList(ec2b)
+	regionListData, err := pb.Marshal(regionList)
+	if err != nil {
+		logger.Error("pb marshal QueryRegionListHttpRsp error: %v", err)
+		return ""
+	}
+	return base64.StdEncoding.EncodeToString(regionListData)
+}
+
+func GetRegionCurrBase64(kcpAddr string, kcpPort int32, ec2b *random.Ec2b) string {
+	regionCurr := GetRegionCurr(kcpAddr, kcpPort, ec2b)
+	regionCurrData, err := pb.Marshal(regionCurr)
+	if err != nil {
+		logger.Error("pb marshal QueryCurrRegionHttpRsp error: %v", err)
+		return ""
+	}
+	return base64.StdEncoding.EncodeToString(regionCurrData)
 }
diff --git a/dispatch/app/app.go b/dispatch/app/app.go
index 3d6e778f..215bb592 100644
--- a/dispatch/app/app.go
+++ b/dispatch/app/app.go
@@ -24,6 +24,7 @@ func Run(ctx context.Context, configFile string) error {
 	db := dao.NewDao()
 	defer db.CloseDao()
 
+	// natsrpc client
 	client, err := rpc.NewClient()
 	if err != nil {
 		return err
diff --git a/dispatch/controller/controller.go b/dispatch/controller/controller.go
index c1ff034c..f0228141 100644
--- a/dispatch/controller/controller.go
+++ b/dispatch/controller/controller.go
@@ -2,7 +2,6 @@ package controller
 
 import (
 	"context"
-	"encoding/base64"
 	"net/http"
 	"strconv"
 
@@ -15,25 +14,21 @@ import (
 	"hk4e/pkg/random"
 
 	"github.com/gin-gonic/gin"
-	pb "google.golang.org/protobuf/proto"
 )
 
 type Controller struct {
-	dao              *dao.Dao
-	discovery        *rpc.DiscoveryClient
-	regionListBase64 string
-	regionCurrBase64 string
-	signRsaKey       []byte
-	encRsaKeyMap     map[string][]byte
-	pwdRsaKey        []byte
+	dao          *dao.Dao
+	discovery    *rpc.DiscoveryClient
+	signRsaKey   []byte
+	encRsaKeyMap map[string][]byte
+	pwdRsaKey    []byte
+	ec2b         *random.Ec2b
 }
 
 func NewController(dao *dao.Dao, discovery *rpc.DiscoveryClient) (r *Controller) {
 	r = new(Controller)
 	r.dao = dao
 	r.discovery = discovery
-	r.regionListBase64 = ""
-	r.regionCurrBase64 = ""
 	r.signRsaKey, r.encRsaKeyMap, r.pwdRsaKey = region.LoadRsaKey()
 	rsp, err := r.discovery.GetRegionEc2B(context.TODO(), &api.NullMsg{})
 	if err != nil {
@@ -45,19 +40,7 @@ func NewController(dao *dao.Dao, discovery *rpc.DiscoveryClient) (r *Controller)
 		logger.Error("parse region ec2b error: %v", err)
 		return nil
 	}
-	regionCurr, regionList, _ := region.InitRegion(config.CONF.Hk4e.KcpAddr, config.CONF.Hk4e.KcpPort, ec2b)
-	regionCurrModify, err := pb.Marshal(regionCurr)
-	if err != nil {
-		logger.Error("Marshal QueryCurrRegionHttpRsp error")
-		return nil
-	}
-	r.regionCurrBase64 = base64.StdEncoding.EncodeToString(regionCurrModify)
-	regionListModify, err := pb.Marshal(regionList)
-	if err != nil {
-		logger.Error("Marshal QueryRegionListHttpRsp error")
-		return nil
-	}
-	r.regionListBase64 = base64.StdEncoding.EncodeToString(regionListModify)
+	r.ec2b = ec2b
 	go r.registerRouter()
 	return r
 }
diff --git a/dispatch/controller/dispatch_controller.go b/dispatch/controller/dispatch_controller.go
index ae9d597a..f87fe920 100644
--- a/dispatch/controller/dispatch_controller.go
+++ b/dispatch/controller/dispatch_controller.go
@@ -9,7 +9,9 @@ import (
 	"regexp"
 	"strconv"
 
-	"hk4e/dispatch/api"
+	"hk4e/common/region"
+	httpapi "hk4e/dispatch/api"
+	"hk4e/node/api"
 	"hk4e/pkg/endec"
 	"hk4e/pkg/logger"
 
@@ -17,6 +19,7 @@ import (
 )
 
 func (c *Controller) query_security_file(context *gin.Context) {
+	return
 	file, err := os.ReadFile("static/security_file")
 	if err != nil {
 		logger.Error("open security_file error")
@@ -28,14 +31,21 @@ func (c *Controller) query_security_file(context *gin.Context) {
 
 func (c *Controller) query_region_list(context *gin.Context) {
 	context.Header("Content-type", "text/html; charset=UTF-8")
-	_, _ = context.Writer.WriteString(c.regionListBase64)
+	regionListBase64 := region.GetRegionListBase64(c.ec2b)
+	_, _ = context.Writer.WriteString(regionListBase64)
 }
 
 func (c *Controller) query_cur_region(context *gin.Context) {
 	versionName := context.Query("version")
 	response := "CAESGE5vdCBGb3VuZCB2ZXJzaW9uIGNvbmZpZw=="
 	if len(context.Request.URL.RawQuery) > 0 {
-		response = c.regionCurrBase64
+		addr, err := c.discovery.GetGateServerAddr(context.Request.Context(), &api.NullMsg{})
+		if err != nil {
+			logger.Error("get gate server addr error: %v", err)
+			return
+		}
+		regionCurrBase64 := region.GetRegionCurrBase64(addr.IpAddr, int32(addr.Port), c.ec2b)
+		response = regionCurrBase64
 	}
 	reg, err := regexp.Compile("[0-9]+")
 	if err != nil {
@@ -62,7 +72,7 @@ func (c *Controller) query_cur_region(context *gin.Context) {
 	if version >= 275 {
 		logger.Debug("do hk4e 2.8 rsa logic")
 		if context.Query("dispatchSeed") == "" {
-			rsp := &api.QueryCurRegionRspJson{
+			rsp := &httpapi.QueryCurRegionRspJson{
 				Content: response,
 				Sign:    "TW9yZSBsb3ZlIGZvciBVQSBQYXRjaCBwbGF5ZXJz",
 			}
@@ -133,7 +143,7 @@ func (c *Controller) query_cur_region(context *gin.Context) {
 			logger.Error("rsa verify test fail")
 			return
 		}
-		rsp := &api.QueryCurRegionRspJson{
+		rsp := &httpapi.QueryCurRegionRspJson{
 			Content: base64.StdEncoding.EncodeToString(encryptedRegionInfo),
 			Sign:    base64.StdEncoding.EncodeToString(signData),
 		}
diff --git a/fight/app/app.go b/fight/app/app.go
index 7e4e4f44..cb49cb5a 100644
--- a/fight/app/app.go
+++ b/fight/app/app.go
@@ -36,6 +36,12 @@ func Run(ctx context.Context, configFile string) error {
 		return err
 	}
 	APPID = rsp.GetAppId()
+	defer func() {
+		_, _ = client.Discovery.CancelServer(context.TODO(), &api.CancelServerReq{
+			ServerType: api.FIGHT,
+			AppId:      APPID,
+		})
+	}()
 
 	logger.InitLogger("fight_" + APPID)
 	logger.Warn("fight start, appid: %v", APPID)
diff --git a/gate/app/app.go b/gate/app/app.go
index 082118c6..9ad411de 100644
--- a/gate/app/app.go
+++ b/gate/app/app.go
@@ -30,11 +30,21 @@ func Run(ctx context.Context, configFile string) error {
 	// 注册到节点服务器
 	rsp, err := client.Discovery.RegisterServer(context.TODO(), &api.RegisterServerReq{
 		ServerType: api.GATE,
+		GateServerAddr: &api.GateServerAddr{
+			IpAddr: config.CONF.Hk4e.KcpAddr,
+			Port:   uint32(config.CONF.Hk4e.KcpPort),
+		},
 	})
 	if err != nil {
 		return err
 	}
 	APPID = rsp.GetAppId()
+	defer func() {
+		_, _ = client.Discovery.CancelServer(context.TODO(), &api.CancelServerReq{
+			ServerType: api.GATE,
+			AppId:      APPID,
+		})
+	}()
 
 	logger.InitLogger("gate_" + APPID)
 	logger.Warn("gate start, appid: %v", APPID)
diff --git a/gm/app/app.go b/gm/app/app.go
index f18ccc42..3286bcf1 100644
--- a/gm/app/app.go
+++ b/gm/app/app.go
@@ -19,6 +19,7 @@ func Run(ctx context.Context, configFile string) error {
 	logger.InitLogger("gm")
 	logger.Warn("gm start")
 
+	// natsrpc client
 	client, err := rpc.NewClient()
 	if err != nil {
 		return err
diff --git a/gs/app/app.go b/gs/app/app.go
index fb657315..babf40c1 100644
--- a/gs/app/app.go
+++ b/gs/app/app.go
@@ -24,6 +24,7 @@ import (
 )
 
 var APPID string
+var GSID uint32
 
 func Run(ctx context.Context, configFile string) error {
 	config.InitConfig(configFile)
@@ -42,9 +43,16 @@ func Run(ctx context.Context, configFile string) error {
 		return err
 	}
 	APPID = rsp.GetAppId()
+	GSID = rsp.GetGsId()
+	defer func() {
+		_, _ = client.Discovery.CancelServer(context.TODO(), &api.CancelServerReq{
+			ServerType: api.GS,
+			AppId:      APPID,
+		})
+	}()
 
 	logger.InitLogger("gs_" + APPID)
-	logger.Warn("gs start, appid: %v", APPID)
+	logger.Warn("gs start, appid: %v, gsid: %v", APPID, GSID)
 
 	constant.InitConstant()
 
@@ -60,7 +68,7 @@ func Run(ctx context.Context, configFile string) error {
 	messageQueue := mq.NewMessageQueue(api.GS, APPID)
 	defer messageQueue.Close()
 
-	gameManager := game.NewGameManager(db, messageQueue)
+	gameManager := game.NewGameManager(db, messageQueue, GSID)
 	defer gameManager.Stop()
 
 	// natsrpc server
diff --git a/gs/game/game_manager.go b/gs/game/game_manager.go
index 6aefc172..b2246785 100644
--- a/gs/game/game_manager.go
+++ b/gs/game/game_manager.go
@@ -30,11 +30,11 @@ type GameManager struct {
 	snowflake    *alg.SnowflakeWorker
 }
 
-func NewGameManager(dao *dao.Dao, messageQueue *mq.MessageQueue) (r *GameManager) {
+func NewGameManager(dao *dao.Dao, messageQueue *mq.MessageQueue, gsId uint32) (r *GameManager) {
 	r = new(GameManager)
 	r.dao = dao
 	r.messageQueue = messageQueue
-	r.snowflake = alg.NewSnowflakeWorker(1)
+	r.snowflake = alg.NewSnowflakeWorker(int64(gsId))
 	GAME_MANAGER = r
 	LOCAL_EVENT_MANAGER = NewLocalEventManager()
 	ROUTE_MANAGER = NewRouteManager()
diff --git a/node/api/api.natsrpc.pb.go b/node/api/api.natsrpc.pb.go
index baf4a99a..c89b9ece 100644
--- a/node/api/api.natsrpc.pb.go
+++ b/node/api/api.natsrpc.pb.go
@@ -21,9 +21,18 @@ var _ = nats_go.Version
 
 // 节点服务器注册发现服务
 type DiscoveryNATSRPCServer interface {
+	// 服务器启动注册获取appid
 	RegisterServer(ctx context.Context, req *RegisterServerReq) (*RegisterServerRsp, error)
+	// 服务器关闭取消注册
+	CancelServer(ctx context.Context, req *CancelServerReq) (*NullMsg, error)
+	// 服务器在线心跳保持
+	KeepaliveServer(ctx context.Context, req *KeepaliveServerReq) (*NullMsg, error)
+	// 获取负载最小的服务器的appid
 	GetServerAppId(ctx context.Context, req *GetServerAppIdReq) (*GetServerAppIdRsp, error)
+	// 获取区服密钥信息
 	GetRegionEc2B(ctx context.Context, req *NullMsg) (*RegionEc2B, error)
+	// 获取负载最小的网关服务器的地址和端口
+	GetGateServerAddr(ctx context.Context, req *NullMsg) (*GateServerAddr, error)
 }
 
 // RegisterDiscoveryNATSRPCServer register Discovery service
@@ -33,9 +42,18 @@ func RegisterDiscoveryNATSRPCServer(server *natsrpc.Server, s DiscoveryNATSRPCSe
 
 // 节点服务器注册发现服务
 type DiscoveryNATSRPCClient interface {
+	// 服务器启动注册获取appid
 	RegisterServer(ctx context.Context, req *RegisterServerReq, opt ...natsrpc.CallOption) (*RegisterServerRsp, error)
+	// 服务器关闭取消注册
+	CancelServer(ctx context.Context, req *CancelServerReq, opt ...natsrpc.CallOption) (*NullMsg, error)
+	// 服务器在线心跳保持
+	KeepaliveServer(ctx context.Context, req *KeepaliveServerReq, opt ...natsrpc.CallOption) (*NullMsg, error)
+	// 获取负载最小的服务器的appid
 	GetServerAppId(ctx context.Context, req *GetServerAppIdReq, opt ...natsrpc.CallOption) (*GetServerAppIdRsp, error)
+	// 获取区服密钥信息
 	GetRegionEc2B(ctx context.Context, req *NullMsg, opt ...natsrpc.CallOption) (*RegionEc2B, error)
+	// 获取负载最小的网关服务器的地址和端口
+	GetGateServerAddr(ctx context.Context, req *NullMsg, opt ...natsrpc.CallOption) (*GateServerAddr, error)
 }
 
 type _DiscoveryNATSRPCClient struct {
@@ -58,6 +76,16 @@ func (c *_DiscoveryNATSRPCClient) RegisterServer(ctx context.Context, req *Regis
 	err := c.c.Request(ctx, "RegisterServer", req, rep, opt...)
 	return rep, err
 }
+func (c *_DiscoveryNATSRPCClient) CancelServer(ctx context.Context, req *CancelServerReq, opt ...natsrpc.CallOption) (*NullMsg, error) {
+	rep := &NullMsg{}
+	err := c.c.Request(ctx, "CancelServer", req, rep, opt...)
+	return rep, err
+}
+func (c *_DiscoveryNATSRPCClient) KeepaliveServer(ctx context.Context, req *KeepaliveServerReq, opt ...natsrpc.CallOption) (*NullMsg, error) {
+	rep := &NullMsg{}
+	err := c.c.Request(ctx, "KeepaliveServer", req, rep, opt...)
+	return rep, err
+}
 func (c *_DiscoveryNATSRPCClient) GetServerAppId(ctx context.Context, req *GetServerAppIdReq, opt ...natsrpc.CallOption) (*GetServerAppIdRsp, error) {
 	rep := &GetServerAppIdRsp{}
 	err := c.c.Request(ctx, "GetServerAppId", req, rep, opt...)
@@ -68,3 +96,8 @@ func (c *_DiscoveryNATSRPCClient) GetRegionEc2B(ctx context.Context, req *NullMs
 	err := c.c.Request(ctx, "GetRegionEc2B", req, rep, opt...)
 	return rep, err
 }
+func (c *_DiscoveryNATSRPCClient) GetGateServerAddr(ctx context.Context, req *NullMsg, opt ...natsrpc.CallOption) (*GateServerAddr, error) {
+	rep := &GateServerAddr{}
+	err := c.c.Request(ctx, "GetGateServerAddr", req, rep, opt...)
+	return rep, err
+}
diff --git a/node/api/api.pb.go b/node/api/api.pb.go
index 69d4f98b..b18bace9 100644
--- a/node/api/api.pb.go
+++ b/node/api/api.pb.go
@@ -157,7 +157,8 @@ type RegisterServerReq struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	ServerType string `protobuf:"bytes,1,opt,name=server_type,json=serverType,proto3" json:"server_type,omitempty"`
+	ServerType     string          `protobuf:"bytes,1,opt,name=server_type,json=serverType,proto3" json:"server_type,omitempty"`
+	GateServerAddr *GateServerAddr `protobuf:"bytes,2,opt,name=gate_server_addr,json=gateServerAddr,proto3" json:"gate_server_addr,omitempty"`
 }
 
 func (x *RegisterServerReq) Reset() {
@@ -199,12 +200,20 @@ func (x *RegisterServerReq) GetServerType() string {
 	return ""
 }
 
+func (x *RegisterServerReq) GetGateServerAddr() *GateServerAddr {
+	if x != nil {
+		return x.GateServerAddr
+	}
+	return nil
+}
+
 type RegisterServerRsp struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
 	AppId string `protobuf:"bytes,1,opt,name=app_id,json=appId,proto3" json:"app_id,omitempty"`
+	GsId  uint32 `protobuf:"varint,2,opt,name=gs_id,json=gsId,proto3" json:"gs_id,omitempty"`
 }
 
 func (x *RegisterServerRsp) Reset() {
@@ -246,6 +255,123 @@ func (x *RegisterServerRsp) GetAppId() string {
 	return ""
 }
 
+func (x *RegisterServerRsp) GetGsId() uint32 {
+	if x != nil {
+		return x.GsId
+	}
+	return 0
+}
+
+type CancelServerReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ServerType string `protobuf:"bytes,1,opt,name=server_type,json=serverType,proto3" json:"server_type,omitempty"`
+	AppId      string `protobuf:"bytes,2,opt,name=app_id,json=appId,proto3" json:"app_id,omitempty"`
+}
+
+func (x *CancelServerReq) Reset() {
+	*x = CancelServerReq{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CancelServerReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CancelServerReq) ProtoMessage() {}
+
+func (x *CancelServerReq) ProtoReflect() protoreflect.Message {
+	mi := &file_api_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CancelServerReq.ProtoReflect.Descriptor instead.
+func (*CancelServerReq) Descriptor() ([]byte, []int) {
+	return file_api_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *CancelServerReq) GetServerType() string {
+	if x != nil {
+		return x.ServerType
+	}
+	return ""
+}
+
+func (x *CancelServerReq) GetAppId() string {
+	if x != nil {
+		return x.AppId
+	}
+	return ""
+}
+
+type KeepaliveServerReq struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ServerType string `protobuf:"bytes,1,opt,name=server_type,json=serverType,proto3" json:"server_type,omitempty"`
+	AppId      string `protobuf:"bytes,2,opt,name=app_id,json=appId,proto3" json:"app_id,omitempty"`
+}
+
+func (x *KeepaliveServerReq) Reset() {
+	*x = KeepaliveServerReq{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *KeepaliveServerReq) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*KeepaliveServerReq) ProtoMessage() {}
+
+func (x *KeepaliveServerReq) ProtoReflect() protoreflect.Message {
+	mi := &file_api_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use KeepaliveServerReq.ProtoReflect.Descriptor instead.
+func (*KeepaliveServerReq) Descriptor() ([]byte, []int) {
+	return file_api_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *KeepaliveServerReq) GetServerType() string {
+	if x != nil {
+		return x.ServerType
+	}
+	return ""
+}
+
+func (x *KeepaliveServerReq) GetAppId() string {
+	if x != nil {
+		return x.AppId
+	}
+	return ""
+}
+
 type RegionEc2B struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -257,7 +383,7 @@ type RegionEc2B struct {
 func (x *RegionEc2B) Reset() {
 	*x = RegionEc2B{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_proto_msgTypes[5]
+		mi := &file_api_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -270,7 +396,7 @@ func (x *RegionEc2B) String() string {
 func (*RegionEc2B) ProtoMessage() {}
 
 func (x *RegionEc2B) ProtoReflect() protoreflect.Message {
-	mi := &file_api_proto_msgTypes[5]
+	mi := &file_api_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -283,7 +409,7 @@ func (x *RegionEc2B) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RegionEc2B.ProtoReflect.Descriptor instead.
 func (*RegionEc2B) Descriptor() ([]byte, []int) {
-	return file_api_proto_rawDescGZIP(), []int{5}
+	return file_api_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *RegionEc2B) GetData() []byte {
@@ -293,6 +419,61 @@ func (x *RegionEc2B) GetData() []byte {
 	return nil
 }
 
+type GateServerAddr struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	IpAddr string `protobuf:"bytes,1,opt,name=ip_addr,json=ipAddr,proto3" json:"ip_addr,omitempty"`
+	Port   uint32 `protobuf:"varint,2,opt,name=port,proto3" json:"port,omitempty"`
+}
+
+func (x *GateServerAddr) Reset() {
+	*x = GateServerAddr{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GateServerAddr) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GateServerAddr) ProtoMessage() {}
+
+func (x *GateServerAddr) ProtoReflect() protoreflect.Message {
+	mi := &file_api_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GateServerAddr.ProtoReflect.Descriptor instead.
+func (*GateServerAddr) Descriptor() ([]byte, []int) {
+	return file_api_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *GateServerAddr) GetIpAddr() string {
+	if x != nil {
+		return x.IpAddr
+	}
+	return ""
+}
+
+func (x *GateServerAddr) GetPort() uint32 {
+	if x != nil {
+		return x.Port
+	}
+	return 0
+}
+
 var File_api_proto protoreflect.FileDescriptor
 
 var file_api_proto_rawDesc = []byte{
@@ -304,31 +485,63 @@ var file_api_proto_rawDesc = []byte{
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+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -343,27 +556,37 @@ func file_api_proto_rawDescGZIP() []byte {
 	return file_api_proto_rawDescData
 }
 
-var file_api_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
+var file_api_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
 var file_api_proto_goTypes = []interface{}{
-	(*NullMsg)(nil),           // 0: node.api.NullMsg
-	(*GetServerAppIdReq)(nil), // 1: node.api.GetServerAppIdReq
-	(*GetServerAppIdRsp)(nil), // 2: node.api.GetServerAppIdRsp
-	(*RegisterServerReq)(nil), // 3: node.api.RegisterServerReq
-	(*RegisterServerRsp)(nil), // 4: node.api.RegisterServerRsp
-	(*RegionEc2B)(nil),        // 5: node.api.RegionEc2b
+	(*NullMsg)(nil),            // 0: node.api.NullMsg
+	(*GetServerAppIdReq)(nil),  // 1: node.api.GetServerAppIdReq
+	(*GetServerAppIdRsp)(nil),  // 2: node.api.GetServerAppIdRsp
+	(*RegisterServerReq)(nil),  // 3: node.api.RegisterServerReq
+	(*RegisterServerRsp)(nil),  // 4: node.api.RegisterServerRsp
+	(*CancelServerReq)(nil),    // 5: node.api.CancelServerReq
+	(*KeepaliveServerReq)(nil), // 6: node.api.KeepaliveServerReq
+	(*RegionEc2B)(nil),         // 7: node.api.RegionEc2b
+	(*GateServerAddr)(nil),     // 8: node.api.GateServerAddr
 }
 var file_api_proto_depIdxs = []int32{
-	3, // 0: node.api.Discovery.RegisterServer:input_type -> node.api.RegisterServerReq
-	1, // 1: node.api.Discovery.GetServerAppId:input_type -> node.api.GetServerAppIdReq
-	0, // 2: node.api.Discovery.GetRegionEc2b:input_type -> node.api.NullMsg
-	4, // 3: node.api.Discovery.RegisterServer:output_type -> node.api.RegisterServerRsp
-	2, // 4: node.api.Discovery.GetServerAppId:output_type -> node.api.GetServerAppIdRsp
-	5, // 5: node.api.Discovery.GetRegionEc2b:output_type -> node.api.RegionEc2b
-	3, // [3:6] is the sub-list for method output_type
-	0, // [0:3] is the sub-list for method input_type
-	0, // [0:0] is the sub-list for extension type_name
-	0, // [0:0] is the sub-list for extension extendee
-	0, // [0:0] is the sub-list for field type_name
+	8, // 0: node.api.RegisterServerReq.gate_server_addr:type_name -> node.api.GateServerAddr
+	3, // 1: node.api.Discovery.RegisterServer:input_type -> node.api.RegisterServerReq
+	5, // 2: node.api.Discovery.CancelServer:input_type -> node.api.CancelServerReq
+	6, // 3: node.api.Discovery.KeepaliveServer:input_type -> node.api.KeepaliveServerReq
+	1, // 4: node.api.Discovery.GetServerAppId:input_type -> node.api.GetServerAppIdReq
+	0, // 5: node.api.Discovery.GetRegionEc2b:input_type -> node.api.NullMsg
+	0, // 6: node.api.Discovery.GetGateServerAddr:input_type -> node.api.NullMsg
+	4, // 7: node.api.Discovery.RegisterServer:output_type -> node.api.RegisterServerRsp
+	0, // 8: node.api.Discovery.CancelServer:output_type -> node.api.NullMsg
+	0, // 9: node.api.Discovery.KeepaliveServer:output_type -> node.api.NullMsg
+	2, // 10: node.api.Discovery.GetServerAppId:output_type -> node.api.GetServerAppIdRsp
+	7, // 11: node.api.Discovery.GetRegionEc2b:output_type -> node.api.RegionEc2b
+	8, // 12: node.api.Discovery.GetGateServerAddr:output_type -> node.api.GateServerAddr
+	7, // [7:13] is the sub-list for method output_type
+	1, // [1:7] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
 }
 
 func init() { file_api_proto_init() }
@@ -433,6 +656,30 @@ func file_api_proto_init() {
 			}
 		}
 		file_api_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CancelServerReq); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*KeepaliveServerReq); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RegionEc2B); i {
 			case 0:
 				return &v.state
@@ -444,6 +691,18 @@ func file_api_proto_init() {
 				return nil
 			}
 		}
+		file_api_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GateServerAddr); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -451,7 +710,7 @@ func file_api_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_api_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   6,
+			NumMessages:   9,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/node/api/api.proto b/node/api/api.proto
index d7e3b5a7..34667b0c 100644
--- a/node/api/api.proto
+++ b/node/api/api.proto
@@ -5,9 +5,18 @@ option go_package = "hk4e/node/api;api";
 
 // 节点服务器注册发现服务
 service Discovery {
-  rpc RegisterServer (RegisterServerReq) returns (RegisterServerRsp) {} // 服务器启动注册获取appid
-  rpc GetServerAppId (GetServerAppIdReq) returns (GetServerAppIdRsp) {} // 随机获取某服务器的appid
-  rpc GetRegionEc2b (NullMsg) returns (RegionEc2b) {} // 获取区服密钥信息
+  // 服务器启动注册获取appid
+  rpc RegisterServer (RegisterServerReq) returns (RegisterServerRsp) {}
+  // 服务器关闭取消注册
+  rpc CancelServer (CancelServerReq) returns (NullMsg) {}
+  // 服务器在线心跳保持
+  rpc KeepaliveServer (KeepaliveServerReq) returns (NullMsg) {}
+  // 获取负载最小的服务器的appid
+  rpc GetServerAppId (GetServerAppIdReq) returns (GetServerAppIdRsp) {}
+  // 获取区服密钥信息
+  rpc GetRegionEc2b (NullMsg) returns (RegionEc2b) {}
+  // 获取负载最小的网关服务器的地址和端口
+  rpc GetGateServerAddr (NullMsg) returns (GateServerAddr) {}
 }
 
 message NullMsg {
@@ -23,12 +32,29 @@ message GetServerAppIdRsp {
 
 message RegisterServerReq {
   string server_type = 1;
+  GateServerAddr gate_server_addr = 2;
 }
 
 message RegisterServerRsp {
   string app_id = 1;
+  uint32 gs_id = 2;
+}
+
+message CancelServerReq {
+  string server_type = 1;
+  string app_id = 2;
+}
+
+message KeepaliveServerReq {
+  string server_type = 1;
+  string app_id = 2;
 }
 
 message RegionEc2b {
   bytes data = 1;
 }
+
+message GateServerAddr {
+  string ip_addr = 1;
+  uint32 port = 2;
+}
diff --git a/node/service/discovery.go b/node/service/discovery.go
index 1db7b2c4..41c1e763 100644
--- a/node/service/discovery.go
+++ b/node/service/discovery.go
@@ -2,9 +2,10 @@ package service
 
 import (
 	"context"
+	"sort"
 	"strings"
+	"sync/atomic"
 
-	"hk4e/common/config"
 	"hk4e/common/region"
 	"hk4e/node/api"
 	"hk4e/pkg/logger"
@@ -15,9 +16,25 @@ import (
 
 var _ api.DiscoveryNATSRPCServer = (*DiscoveryService)(nil)
 
+type ServerInstanceSortList []*ServerInstance
+
+func (s ServerInstanceSortList) Len() int {
+	return len(s)
+}
+
+func (s ServerInstanceSortList) Less(i, j int) bool {
+	return s[i].appId < s[j].appId
+}
+
+func (s ServerInstanceSortList) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+
 type ServerInstance struct {
-	serverType string
-	appId      string
+	serverType       string
+	appId            string
+	gateServerIpAddr string
+	gateServerPort   uint32
 }
 
 type DiscoveryService struct {
@@ -25,11 +42,12 @@ type DiscoveryService struct {
 	// TODO 加锁
 	serverInstanceMap map[string]map[string]*ServerInstance
 	serverAppIdMap    map[string]bool
+	gsIdCounter       uint32
 }
 
 func NewDiscoveryService() *DiscoveryService {
 	r := new(DiscoveryService)
-	_, _, r.regionEc2b = region.InitRegion(config.CONF.Hk4e.KcpAddr, config.CONF.Hk4e.KcpPort, nil)
+	r.regionEc2b = region.NewRegionEc2b()
 	logger.Info("region ec2b create ok, seed: %v", r.regionEc2b.Seed())
 	r.serverInstanceMap = map[string]map[string]*ServerInstance{
 		api.GATE:        make(map[string]*ServerInstance),
@@ -38,9 +56,11 @@ func NewDiscoveryService() *DiscoveryService {
 		api.PATHFINDING: make(map[string]*ServerInstance),
 	}
 	r.serverAppIdMap = make(map[string]bool)
+	r.gsIdCounter = 0
 	return r
 }
 
+// RegisterServer 服务器启动注册获取appid
 func (s *DiscoveryService) RegisterServer(ctx context.Context, req *api.RegisterServerReq) (*api.RegisterServerRsp, error) {
 	logger.Info("register new server, server type: %v", req.ServerType)
 	instMap, exist := s.serverInstanceMap[req.ServerType]
@@ -56,18 +76,59 @@ func (s *DiscoveryService) RegisterServer(ctx context.Context, req *api.Register
 			break
 		}
 	}
-	instMap[appId] = &ServerInstance{
+	inst := &ServerInstance{
 		serverType: req.ServerType,
 		appId:      appId,
 	}
+	if req.ServerType == api.GATE {
+		logger.Info("register new gate server, ip: %v, port: %v", req.GateServerAddr.IpAddr, req.GateServerAddr.Port)
+		inst.gateServerIpAddr = req.GateServerAddr.IpAddr
+		inst.gateServerPort = req.GateServerAddr.Port
+	}
+	instMap[appId] = inst
 	logger.Info("new server appid is: %v", appId)
-	return &api.RegisterServerRsp{
+	rsp := &api.RegisterServerRsp{
 		AppId: appId,
-	}, nil
+	}
+	if req.ServerType == api.GS {
+		rsp.GsId = atomic.AddUint32(&s.gsIdCounter, 1)
+	}
+	return rsp, nil
 }
 
+// CancelServer 服务器关闭取消注册
+func (s *DiscoveryService) CancelServer(ctx context.Context, req *api.CancelServerReq) (*api.NullMsg, error) {
+	logger.Info("server cancel, server type: %v, appid: %v", req.ServerType, req.AppId)
+	instMap, exist := s.serverInstanceMap[req.ServerType]
+	if !exist {
+		return nil, errors.New("server type not exist")
+	}
+	_, exist = instMap[req.AppId]
+	if !exist {
+		return nil, errors.New("server not exist")
+	}
+	delete(instMap, req.AppId)
+	return &api.NullMsg{}, nil
+}
+
+// KeepaliveServer 服务器在线心跳保持
+func (s *DiscoveryService) KeepaliveServer(ctx context.Context, req *api.KeepaliveServerReq) (*api.NullMsg, error) {
+	instMap, exist := s.serverInstanceMap[req.ServerType]
+	if !exist {
+		return nil, errors.New("server type not exist")
+	}
+	inst, exist := instMap[req.AppId]
+	if !exist {
+		return nil, errors.New("server not exist")
+	}
+	// TODO
+	_ = inst
+	return &api.NullMsg{}, nil
+}
+
+// GetServerAppId 获取负载最小的服务器的appid
 func (s *DiscoveryService) GetServerAppId(ctx context.Context, req *api.GetServerAppIdReq) (*api.GetServerAppIdRsp, error) {
-	logger.Info("get server instance, server type: %v", req.ServerType)
+	logger.Debug("get server instance, server type: %v", req.ServerType)
 	instMap, exist := s.serverInstanceMap[req.ServerType]
 	if !exist {
 		return nil, errors.New("server type not exist")
@@ -75,20 +136,46 @@ func (s *DiscoveryService) GetServerAppId(ctx context.Context, req *api.GetServe
 	if len(instMap) == 0 {
 		return nil, errors.New("no server found")
 	}
-	var inst *ServerInstance = nil
-	for _, v := range instMap {
-		inst = v
-		break
-	}
-	logger.Info("get server appid is: %v", inst.appId)
+	inst := s.getRandomServerInstance(instMap)
+	logger.Debug("get server appid is: %v", inst.appId)
 	return &api.GetServerAppIdRsp{
 		AppId: inst.appId,
 	}, nil
 }
 
+// GetRegionEc2B 获取区服密钥信息
 func (s *DiscoveryService) GetRegionEc2B(ctx context.Context, req *api.NullMsg) (*api.RegionEc2B, error) {
 	logger.Info("get region ec2b ok")
 	return &api.RegionEc2B{
 		Data: s.regionEc2b.Bytes(),
 	}, nil
 }
+
+// GetGateServerAddr 获取负载最小的网关服务器的地址和端口
+func (s *DiscoveryService) GetGateServerAddr(ctx context.Context, req *api.NullMsg) (*api.GateServerAddr, error) {
+	logger.Debug("get gate server addr")
+	instMap, exist := s.serverInstanceMap[api.GATE]
+	if !exist {
+		return nil, errors.New("gate server not exist")
+	}
+	if len(instMap) == 0 {
+		return nil, errors.New("no gate server found")
+	}
+	inst := s.getRandomServerInstance(instMap)
+	logger.Debug("get gate server addr is, ip: %v, port: %v", inst.gateServerIpAddr, inst.gateServerPort)
+	return &api.GateServerAddr{
+		IpAddr: inst.gateServerIpAddr,
+		Port:   inst.gateServerPort,
+	}, nil
+}
+
+func (s *DiscoveryService) getRandomServerInstance(instMap map[string]*ServerInstance) *ServerInstance {
+	instList := make(ServerInstanceSortList, 0)
+	for _, v := range instMap {
+		instList = append(instList, v)
+	}
+	sort.Stable(instList)
+	index := random.GetRandomInt32(0, int32(len(instList)-1))
+	inst := instList[index]
+	return inst
+}
diff --git a/pathfinding/app/app.go b/pathfinding/app/app.go
index e10d71bb..f02a6d7c 100644
--- a/pathfinding/app/app.go
+++ b/pathfinding/app/app.go
@@ -35,6 +35,12 @@ func Run(ctx context.Context, configFile string) error {
 		return err
 	}
 	APPID = rsp.GetAppId()
+	defer func() {
+		_, _ = client.Discovery.CancelServer(context.TODO(), &api.CancelServerReq{
+			ServerType: api.PATHFINDING,
+			AppId:      APPID,
+		})
+	}()
 
 	logger.InitLogger("pathfinding_" + APPID)
 	logger.Warn("pathfinding start, appid: %v", APPID)