diff --git a/internal/grpc_server/server.go b/internal/grpc_server/server.go
index e821c6a..d29b1a6 100644
--- a/internal/grpc_server/server.go
+++ b/internal/grpc_server/server.go
@@ -5,23 +5,17 @@ import (
 	"git.hlsq.asia/mmorpg/service-common/log"
 	"git.hlsq.asia/mmorpg/service-common/proto/rs/grpc_pb"
 	"git.hlsq.asia/mmorpg/service-common/proto/ss/ss_pb"
-	instance2 "git.hlsq.asia/mmorpg/service-scene/internal/instance"
+	"git.hlsq.asia/mmorpg/service-scene/internal/instance"
 	"google.golang.org/protobuf/proto"
 	"sync"
 )
 
 func (s *Server) Enter(ctx context.Context, req *grpc_pb.EnterReq) (*grpc_pb.EnterResp, error) {
-	var i *instance2.Instance
-	if len(instance2.Mgr.GetAll()) == 0 {
-		i = instance2.NewScene(s.SID, req.InstanceID)
-		i.Start(s.EtcdTTL)
-	} else {
-		for _, v := range instance2.Mgr.GetAll() {
-			i = v
-			break
-		}
+	ins, loaded := instance.Mgr.LoadOrStoreByInstanceID(req.InstanceID, instance.NewScene(s.SID, req.InstanceID))
+	if !loaded {
+		ins.Start(s.EtcdTTL)
 	}
-	i.EventIn <- req
+	ins.EventIn <- req
 
 	payload, _ := proto.Marshal(&ss_pb.S2C_EnterInstance{
 		Info: &ss_pb.PositionInfo{
@@ -32,14 +26,14 @@ func (s *Server) Enter(ctx context.Context, req *grpc_pb.EnterReq) (*grpc_pb.Ent
 	})
 	return &grpc_pb.EnterResp{
 		SceneSID:  s.SID,
-		UniqueNo:  i.UniqueNo,
+		UniqueNo:  ins.UniqueNo,
 		MessageID: int32(ss_pb.MessageID_MESSAGE_ID_ENTER_INSTANCE),
 		Payload:   payload,
 	}, nil
 }
 
 func (s *Server) Leave(ctx context.Context, req *grpc_pb.LeaveReq) (*grpc_pb.LeaveResp, error) {
-	if i := instance2.Mgr.GetByUniqueNo(req.UniqueNo); i != nil {
+	if i := instance.Mgr.GetByUniqueNo(req.UniqueNo); i != nil {
 		i.EventIn <- req
 	}
 	return &grpc_pb.LeaveResp{}, nil
@@ -59,7 +53,7 @@ func (s *Server) Action(server grpc_pb.Scene_ActionServer) error {
 			if args, err := server.Recv(); err != nil {
 				return
 			} else {
-				if ins := instance2.Mgr.GetByUniqueNo(args.UniqueNo); ins != nil {
+				if ins := instance.Mgr.GetByUniqueNo(args.UniqueNo); ins != nil {
 					select {
 					case ins.EventIn <- args:
 					default:
diff --git a/internal/grpc_server/server_init.go b/internal/grpc_server/server_init.go
index efbc146..477eab7 100644
--- a/internal/grpc_server/server_init.go
+++ b/internal/grpc_server/server_init.go
@@ -15,8 +15,9 @@ type Server struct {
 func NewServer(ttl int64) *Server {
 	s := &Server{
 		Base: service.Base{
-			Target:  common.KeyDiscoverScene,
-			EtcdTTL: ttl,
+			Target:      common.KeyDiscoverScene,
+			ServiceName: common.KeyDiscoverServiceNameScene,
+			EtcdTTL:     ttl,
 		},
 	}
 	s.Base.OnInit = s.OnInit
diff --git a/internal/instance/manager.go b/internal/instance/manager.go
index fcc1a1b..ba517cf 100644
--- a/internal/instance/manager.go
+++ b/internal/instance/manager.go
@@ -40,3 +40,15 @@ func (m *insManager) GetByUniqueNo(uniqueNo string) *Instance {
 	defer m.RUnlock()
 	return m.insMap[uniqueNo]
 }
+
+func (m *insManager) LoadOrStoreByInstanceID(instanceID int32, ins *Instance) (*Instance, bool) {
+	m.Lock()
+	defer m.Unlock()
+	for _, instance := range m.insMap {
+		if instance.InstanceID == instanceID {
+			return instance, true
+		}
+	}
+	m.insMap[ins.UniqueNo] = ins
+	return ins, false
+}