diff --git a/go.mod b/go.mod
index cc3462a..0e19ef1 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module git.hlsq.asia/mmorpg/service-scene
 go 1.24.0
 
 require (
-	git.hlsq.asia/mmorpg/service-common v0.0.0-20260130025300-427fca7ed19f
+	git.hlsq.asia/mmorpg/service-common v0.0.0-20260130035320-5dc5391b07ed
 	github.com/judwhite/go-svc v1.2.1
 	go.uber.org/zap v1.27.0
 	google.golang.org/grpc v1.77.0
diff --git a/go.sum b/go.sum
index 94c2696..90db41f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-git.hlsq.asia/mmorpg/service-common v0.0.0-20260130025300-427fca7ed19f h1:U0HnB8i3ZTKrg3XBQpwFcI64LB6mraj02yNAqV3MBws=
-git.hlsq.asia/mmorpg/service-common v0.0.0-20260130025300-427fca7ed19f/go.mod h1:mMhZcumphj6gaVTppVYsMTkd+5HupmQgAc53Pd4MH9I=
+git.hlsq.asia/mmorpg/service-common v0.0.0-20260130035320-5dc5391b07ed h1:O08p0egfekFqQSnc4sfEJUTI5dGiEyiDRNW/VYa/Ce4=
+git.hlsq.asia/mmorpg/service-common v0.0.0-20260130035320-5dc5391b07ed/go.mod h1:mMhZcumphj6gaVTppVYsMTkd+5HupmQgAc53Pd4MH9I=
 github.com/BurntSushi/toml v1.2.0 h1:Rt8g24XnyGTyglgET/PRUNlrUeu9F5L+7FilkXfZgs0=
 github.com/BurntSushi/toml v1.2.0/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/IBM/sarama v1.46.3 h1:njRsX6jNlnR+ClJ8XmkO+CM4unbrNr/2vB5KK6UA+IE=
diff --git a/internal/instance/instance.go b/internal/instance/instance.go
index 9497273..c495419 100644
--- a/internal/instance/instance.go
+++ b/internal/instance/instance.go
@@ -20,25 +20,25 @@ import (
 // Instance 场景类
 type Instance struct {
 	wg            sync.WaitGroup
-	players       map[string]*npc.PlayerNode // 存储所有玩家节点 [usn]
-	ctx           context.Context            // 停止指令
-	cancel        context.CancelFunc         // 停止函数
-	logger        *zap.SugaredLogger         // 日志
-	lastLogicTime int64                      // 上次逻辑帧执行时间（毫秒时间戳）
+	players       map[int64]*npc.PlayerNode // 存储所有玩家节点 [usn]
+	ctx           context.Context           // 停止指令
+	cancel        context.CancelFunc        // 停止函数
+	logger        *zap.SugaredLogger        // 日志
+	lastLogicTime int64                     // 上次逻辑帧执行时间（毫秒时间戳）
 
-	SID        string             // 服务ID
+	SID        int64              // 服务ID
 	InstanceID int32              // 副本ID
-	UniqueNo   string             // 唯一编号
+	UniqueNo   int64              // 唯一编号
 	EventIn    chan proto.Message // 消息入口
 }
 
 // NewScene 初始化场景
-func NewScene(sid string, instanceID int32) *Instance {
+func NewScene(sid int64, instanceID int32) *Instance {
 	s := &Instance{
-		players:    make(map[string]*npc.PlayerNode),
+		players:    make(map[int64]*npc.PlayerNode),
 		SID:        sid,
 		InstanceID: instanceID,
-		UniqueNo:   utils.SnowflakeInstance().Generate().String(),
+		UniqueNo:   utils.SnowflakeInstance().Generate().Int64(),
 		EventIn:    make(chan proto.Message, 1024),
 	}
 	s.logger = log.GetLogger().Named(fmt.Sprintf("instance %v:%v", s.InstanceID, s.UniqueNo))
@@ -104,7 +104,7 @@ func (i *Instance) onEvent(e proto.Message) {
 // 逻辑帧
 func (i *Instance) onLogic(delta int64) {
 	positionUpdate := make([]*ss_pb.PositionInfo, 0)
-	sid := ""
+	sid := int64(0)
 	// 处理玩家指令
 	for _, node := range i.players {
 		if node.LogicAction(delta) {
@@ -121,7 +121,7 @@ func (i *Instance) onLogic(delta int64) {
 			Info: positionUpdate,
 		})
 		if err := grpc_client.SendMessageToGateway(sid, grpc_client.FunToClient, &grpc_pb.ToClientReq{
-			USN:       "",
+			USN:       -1,
 			MessageID: int32(ss_pb.MessageID_MESSAGE_ID_POSITION),
 			Payload:   payload,
 		}); err != nil {
diff --git a/internal/instance/manager.go b/internal/instance/manager.go
index ba517cf..cdd02c7 100644
--- a/internal/instance/manager.go
+++ b/internal/instance/manager.go
@@ -8,34 +8,34 @@ var Mgr *insManager
 
 type insManager struct {
 	sync.RWMutex
-	insMap map[string]*Instance // [uniqueNo]
+	insMap map[int64]*Instance // [uniqueNo]
 }
 
 func init() {
 	Mgr = &insManager{
-		insMap: make(map[string]*Instance),
+		insMap: make(map[int64]*Instance),
 	}
 }
 
-func (m *insManager) Add(uniqueNo string, ins *Instance) {
+func (m *insManager) Add(uniqueNo int64, ins *Instance) {
 	m.Lock()
 	defer m.Unlock()
 	m.insMap[uniqueNo] = ins
 }
 
-func (m *insManager) Delete(uniqueNo string) {
+func (m *insManager) Delete(uniqueNo int64) {
 	m.Lock()
 	defer m.Unlock()
 	delete(m.insMap, uniqueNo)
 }
 
-func (m *insManager) GetAll() map[string]*Instance {
+func (m *insManager) GetAll() map[int64]*Instance {
 	m.RLock()
 	defer m.RUnlock()
 	return m.insMap
 }
 
-func (m *insManager) GetByUniqueNo(uniqueNo string) *Instance {
+func (m *insManager) GetByUniqueNo(uniqueNo int64) *Instance {
 	m.RLock()
 	defer m.RUnlock()
 	return m.insMap[uniqueNo]
diff --git a/internal/npc/player.go b/internal/npc/player.go
index 373e212..6c85110 100644
--- a/internal/npc/player.go
+++ b/internal/npc/player.go
@@ -7,8 +7,8 @@ import (
 
 // PlayerNode 定义玩家节点结构体
 type PlayerNode struct {
-	USN        string  // 用户ID
-	GatewaySID string  // 网关服务ID
+	USN        int64   // 用户ID
+	GatewaySID int64   // 网关服务ID
 	MoveSpeed  float32 // 移动速度
 
 	Position      [2]float32           // 二维坐标 [x, y]
@@ -17,7 +17,7 @@ type PlayerNode struct {
 	Action        []*grpc_pb.ActionReq // 其他操作
 }
 
-func NewPlayerNode(gatewaySID string, usn string) *PlayerNode {
+func NewPlayerNode(gatewaySID int64, usn int64) *PlayerNode {
 	return &PlayerNode{
 		USN:        usn,
 		GatewaySID: gatewaySID,