diff --git a/app.go b/app.go
index 2168a40..3d48f14 100644
--- a/app.go
+++ b/app.go
@@ -25,7 +25,7 @@ type App_ struct {
 	chGoLoopTimerExit chan int
 	chGoLoopWait chan int64
 	nowTime time.Time
-	nowUnix int64
+	nowUnixNano int64
 	imMsgHandlers [1024]func(int16,*q5.XParams)
 	maxRunDelay int64
 	maxScheduleTime int64
@@ -33,7 +33,7 @@ type App_ struct {
 
 func (this *App_) Init() {
 	this.nowTime = time.Now()
-	atomic.StoreInt64(&this.nowUnix, this.nowTime.Unix())
+	atomic.StoreInt64(&this.nowUnixNano, this.nowTime.UnixNano())
 	_Timer = &q5.Timer{}
 	_Timer.Init(
 		func (context interface{}) int64 {
@@ -81,7 +81,7 @@ func (this *App_) UnInit() {
 func (this *App_) Run() {
 	for !this.terminated {
 		this.nowTime = time.Now()
-		atomic.StoreInt64(&this.nowUnix, this.nowTime.Unix())
+		atomic.StoreInt64(&this.nowUnixNano, this.nowTime.UnixNano())
 
 		beginTick := q5.GetTickCount()
 		_Timer.Update()
@@ -173,7 +173,15 @@ func (this *App_) schedule() {
 }
 
 func (this *App_) NowUnix() int64 {
-	return this.nowUnix
+	return this.nowUnixNano / int64(time.Second)
+}
+
+func (this *App_) NowUnixMilli() int64 {
+	return this.nowUnixNano / int64(time.Millisecond)
+}
+
+func (this *App_) NowUnixNano() int64 {
+	return this.nowUnixNano
 }
 
 func (this *App_) outputRuningLog() {