diff --git a/app.go b/app.go
index 072ab9e..1f0fb83 100644
--- a/app.go
+++ b/app.go
@@ -19,8 +19,9 @@ type App interface {
 	AddIMMsg(uint16, q5.Args)
 	RegisterIMMsgHandle(uint16, func(q5.Args))
 	NotifyLoopCond()
-	NowUnix() int64
-	NowUnixMilli() int64
+	GetNowSeconds() int64
+	GetNowMillis() int64
+	GetNowNano() int64
 	RegisterMainThreadCb(func ())
 }
 
@@ -200,15 +201,15 @@ func (this *app) NotifyLoopCond() {
 	this.loopCond.Broadcast()
 }
 
-func (this *app) NowUnix() int64 {
+func (this *app) GetNowSeconds() int64 {
 	return this.nowUnixNano / int64(time.Second)
 }
 
-func (this *app) NowUnixMilli() int64 {
+func (this *app) GetNowMillis() int64 {
 	return this.nowUnixNano / int64(time.Millisecond)
 }
 
-func (this *app) NowUnixNano() int64 {
+func (this *app) GetNowNano() int64 {
 	return this.nowUnixNano
 }