diff --git a/app.go b/app.go
index 0521ed4..26cc86b 100644
--- a/app.go
+++ b/app.go
@@ -9,8 +9,18 @@ import (
 	"q5"
 )
 
-type F5App interface {
+type App interface {
 	GetPkgName() string
+	NewUuid() int64
+	GetInstanceId() int32
+	GetNodeId() int32
+	GetZoneId() int32
+	HasFlag(int32) bool
+	AddIMMsg(uint16, q5.Args)
+	RegisterIMMsgHandle(uint16, func(uint16,q5.Args))
+	NotifyLoopCond()
+	NowUnix() int64
+	NowUnixMilli() int64
 }
 
 type UserApp interface {
@@ -21,8 +31,9 @@ type UserApp interface {
 }
 
 type app struct {
-	nodeId int
-	instanceId int
+	zoneId int32
+	nodeId int32
+	instanceId int32
 	terminated bool
 	pkgName string
 	flags map[int32]int32
@@ -37,7 +48,7 @@ type app struct {
 	chGoLoopWait chan int64
 	nowTime time.Time
 	nowUnixNano int64
-	imMsgHandlers [1024]func(int16, q5.Args)
+	imMsgHandlers [1024]func(uint16, q5.Args)
 	maxRunDelay int64
 	maxScheduleTime int64
 	userApp UserApp
@@ -59,8 +70,8 @@ func (this *app) init(userApp UserApp) {
 	_SysLog.Init()
 	_TgLog = new(TGLog_)
 	_TgLog.Init()
-	flag.IntVar(&this.nodeId, "n", 0, "node id")
-	flag.IntVar(&this.instanceId, "i", 0, "instance id")
+	//flag.IntVar(&this.nodeId, "n", 0, "node id")
+	//flag.IntVar(&this.instanceId, "i", 0, "instance id")
 	flag.Parse()
 	this.loopCond = sync.NewCond(new(sync.Mutex))
 	this.chGoLoopTimerExit = make(chan int)
@@ -104,19 +115,23 @@ func (this *app) NewUuid() int64 {
 	return 0
 }
 
-func (this *app) GetInstanceId() uint32 {
-	return uint32(this.instanceId)
+func (this *app) GetInstanceId() int32 {
+	return this.instanceId
 }
 
-func (this *app) GetNodeId() uint32 {
-	return uint32(this.nodeId)
+func (this *app) GetNodeId() int32 {
+	return this.nodeId
+}
+
+func (this *app) GetZoneId() int32 {
+	return this.nodeId
 }
 
 func (this *app) GetPkgName() string {
 	return this.pkgName
 }
 
-func (this *app) SetPkgName(pkgName string) {
+func (this *app) setPkgName(pkgName string) {
 	this.pkgName = pkgName
 }
 
@@ -125,7 +140,7 @@ func (this *app) HasFlag(flag int32) bool {
 	return ok
 }
 
-func (this *app) AddIMMsg(msgId int16, params q5.Args) {
+func (this *app) AddIMMsg(msgId uint16, params q5.Args) {
 	p := new(IMMsgNode)
 	p.msgId = msgId
 	p.params = params
@@ -143,7 +158,7 @@ func (this *app) AddIMMsg(msgId int16, params q5.Args) {
 	this.loopCond.Broadcast()
 }
 
-func (this *app) RegisterIMMsgHandle(msgId int16, handle func(int16,q5.Args)) {
+func (this *app) RegisterIMMsgHandle(msgId uint16, handle func(uint16,q5.Args)) {
 	this.imMsgHandlers[msgId] = handle
 }
 
diff --git a/global.go b/global.go
index eeb42a7..877aa00 100644
--- a/global.go
+++ b/global.go
@@ -19,7 +19,7 @@ func TgLog() *TGLog_ {
 	return _TgLog
 }
 
-func GetApp() F5App {
+func GetApp() App {
 	return _app
 }
 
diff --git a/types.go b/types.go
index 89a0c37..db3d13e 100644
--- a/types.go
+++ b/types.go
@@ -16,7 +16,7 @@ type MsgNode struct {
 }
 
 type IMMsgNode struct {
-	msgId int16
+	msgId uint16
 	params q5.Args
 	next *IMMsgNode
 }