diff --git a/events.go b/events.go
index a7c16f9..f0a0196 100644
--- a/events.go
+++ b/events.go
@@ -47,34 +47,22 @@ func processAllEvents(w World) {
 
 // 订阅该类型的事件
 func (me *EventType[T]) Subscribe(wd World, subscriber Subscriber[T]) {
-	if wd.GoroutineId() == currentGoId() {
+	wd.(*world).chanManageEvent <- func() {
 		me.subscribe(wd, subscriber)
-	} else {
-		wd.(*world).chanManageEvent <- func() {
-			me.subscribe(wd, subscriber)
-		}
 	}
 }
 
 // 取消订阅该类型的事件
 func (me *EventType[T]) Unsubscribe(wd World, subscriber Subscriber[T]) {
-	if wd.GoroutineId() == currentGoId() {
+	wd.(*world).chanManageEvent <- func() {
 		me.unsubscribe(wd, subscriber)
-	} else {
-		wd.(*world).chanManageEvent <- func() {
-			me.unsubscribe(wd, subscriber)
-		}
 	}
 }
 
 // 发布该类型的事件
 func (me *EventType[T]) Publish(wd World, event *T) {
-	if wd.GoroutineId() == currentGoId() {
+	wd.(*world).chanManageEvent <- func() {
 		me.publish(wd, event)
-	} else {
-		wd.(*world).chanManageEvent <- func() {
-			me.publish(wd, event)
-		}
 	}
 }
 
diff --git a/examples/rtss-event/main.go b/examples/rtss-event/main.go
index 356098d..2ea821d 100644
--- a/examples/rtss-event/main.go
+++ b/examples/rtss-event/main.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"runtime"
 	"time"
 
 	"joylink.club/ecs"
@@ -14,36 +15,57 @@ type FireSwitchDcEvent struct {
 var fireSwitchDcEventType = ecs.NewEventType[FireSwitchDcEvent]()
 
 type SwitchSystem struct {
+	count int
 }
 
 func (me *SwitchSystem) WhenFireSwitchDcEvent(w ecs.World, event FireSwitchDcEvent) {
-	fmt.Println("====>>>world-", w.GoroutineId(), " SwitchSystem 处理事件 ：", event)
+	fmt.Println("====>>>world-", w.Id(), " SwitchSystem 处理事件 ：", event)
 }
 func (me *SwitchSystem) Update(w ecs.World) {
-	fmt.Println("====>>>world-", w.GoroutineId(), " SwitchSystem update ")
+	me.count += 1
+	fmt.Println("time: ", time.Now().Format(time.StampMilli), "====>>>world-", w.Id(), " SwitchSystem update , count: ", me.count)
 }
 
-var switchSystem = &SwitchSystem{}
+// var switchSystem = &SwitchSystem{}
+
+func NewSwitchSystem() *SwitchSystem {
+	return &SwitchSystem{
+		0,
+	}
+}
 
 var (
-	wd1 = ecs.NewWorld(1000)
-	wd2 = ecs.NewWorld(1000)
+	wd1 = ecs.NewWorld(1)
+	wd2 = ecs.NewWorld(20)
 )
 
 // ////////////////////////////////////////
 func main() {
-	go world1()
-	go world2()
-	time.Sleep(4 * time.Second)
-	fireSwitchDcEventType.Publish(wd1, &FireSwitchDcEvent{Dc: true})
-	fireSwitchDcEventType.Publish(wd2, &FireSwitchDcEvent{Dc: false})
-	time.Sleep(30 * time.Second)
+	// go world1()
+	// go world2()
+	// time.Sleep(4 * time.Second)
+	// fireSwitchDcEventType.Publish(wd1, &FireSwitchDcEvent{Dc: true})
+	// fireSwitchDcEventType.Publish(wd2, &FireSwitchDcEvent{Dc: false})
+
+	fmt.Println("当前运行系统为:", runtime.GOOS)
+
+	wd1.AddSystem(NewSwitchSystem())
+	wd1.StartUp()
+
+	//
+	wd2.AddSystem(NewSwitchSystem())
+	wd2.StartUp()
+	fmt.Println("开始", time.Now())
+
+	time.Sleep(5 * time.Second)
+	fmt.Println("结束", time.Now())
 
 }
 func world1() {
 	world := wd1
 	world.StartUp()
 	//
+	switchSystem := NewSwitchSystem()
 	world.AddSystem(switchSystem)
 	//
 	fireSwitchDcEventType.Subscribe(world, switchSystem.WhenFireSwitchDcEvent)
@@ -58,6 +80,7 @@ func world2() {
 	world := wd2
 	world.StartUp()
 	//
+	switchSystem := NewSwitchSystem()
 	world.AddSystem(switchSystem)
 	fireSwitchDcEventType.Subscribe(world, switchSystem.WhenFireSwitchDcEvent)
 	//
diff --git a/go.mod b/go.mod
index b58e068..d306653 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,7 @@ module joylink.club/ecs
 
 go 1.20
 
-require github.com/yohamta/donburi v1.3.8
+require (
+	github.com/yohamta/donburi v1.3.8
+	golang.org/x/time v0.3.0
+)
diff --git a/go.sum b/go.sum
index 9ac4ec0..dd4f7c6 100644
--- a/go.sum
+++ b/go.sum
@@ -3,4 +3,6 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
 github.com/yohamta/donburi v1.3.8 h1:ca4NuhzJ8Jeb6GAEf6ecksa+l8JWaAnr0WLqG20TimU=
 github.com/yohamta/donburi v1.3.8/go.mod h1:5QkyraUjkzbMVTD2b8jaPFy1Uwjm/zdFN1c1lZGaezg=
+golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
+golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
diff --git a/world.go b/world.go
index 51ba15a..89a5382 100644
--- a/world.go
+++ b/world.go
@@ -1,11 +1,8 @@
 package ecs
 
 import (
-	"bytes"
 	"fmt"
 	"log"
-	"runtime"
-	"strconv"
 	"time"
 
 	"github.com/yohamta/donburi"
@@ -47,18 +44,19 @@ type World interface {
 	SetSpeed(speed float64) error
 	AddSystem(sys ...ISystem)
 	Close()
+	// 世界时间间隔
 	Tick() int
 	Running() bool
-	GoroutineId() uint64
 }
 
 type world struct {
-	gId     uint64
-	world   donburi.World
-	systems []ISystem
-	state   WorldState
-	tick    int
-	speed   float64
+	world    donburi.World
+	systems  []ISystem
+	state    WorldState
+	tick     int
+	lastTick time.Time
+	ticker   *time.Ticker
+	speed    float64
 
 	quit            chan struct{}
 	chanManageEvent chan ManageEventFunc
@@ -69,20 +67,21 @@ func NewComponentType[T any](opts ...interface{}) *ComponentType[T] {
 	return &ComponentType[T]{ct}
 }
 
+// 初始化一个新World
+// tick 单位为ms，且必须大于0
 func NewWorld(tick int) World {
 	return &world{
 		world:           donburi.NewWorld(),
 		systems:         make([]ISystem, 0),
 		state:           Init,
 		tick:            tick,
+		lastTick:        time.Now(),
+		ticker:          time.NewTicker(time.Duration(tick) * time.Millisecond),
 		speed:           1,
 		quit:            make(chan struct{}),
 		chanManageEvent: make(chan ManageEventFunc, 1024),
 	}
 }
-func (w *world) GoroutineId() uint64 {
-	return w.gId
-}
 func (w *world) Running() bool {
 	return w.state == Running
 }
@@ -158,9 +157,20 @@ func (w *world) SetSpeed(speed float64) error {
 		return fmt.Errorf("速度必须在[%f, %d]之间", SpeedMin, SpeedMax)
 	}
 	w.speed = speed
+	fmt.Println("更新速度，实际tick=", w.ActualTick())
+	w.ticker.Reset(time.Duration(w.ActualTick()) * time.Millisecond)
 	return nil
 }
 
+// 世界实际运行频率
+func (w *world) ActualTick() int64 {
+	tick := int64(float64(w.tick) / (w.speed))
+	if tick <= 0 {
+		return 1
+	}
+	return tick
+}
+
 // 启动世界,世界逻辑开始执行且世界为运行状态
 func (w *world) StartUp() {
 	if w.state == Init { // 避免重复运行
@@ -196,30 +206,42 @@ func (w *world) processManageEventFuncs() {
 
 }
 func (w *world) run() {
-	w.gId = currentGoId()
 	for {
 		select {
 		case <-w.quit: // 退出信号
+			// 仿真退出,更新状态
 			log.Println("仿真退出,id:", w.world.Id())
 			w.state = Closed
 		default:
 		}
 		if w.state == Error {
-			log.Println("世界错误,关闭世界,id:", w.world.Id())
+			// 世界错误,关闭世界
 			return
 		}
 		if w.state == Closed {
-			log.Println("世界正常关闭,id:", w.world.Id())
+			// 世界正常关闭
 			return
 		}
+		<-w.ticker.C
 		if w.state == Pause { // 暂停不更新
-			log.Println("仿真暂停中,id:", w.world.Id())
-			sleep := int64(float64(w.tick) / (w.speed))
-			time.Sleep(time.Duration(sleep) * time.Millisecond)
+			// time.Sleep(1 * time.Millisecond)
 			continue
 		}
-		start := time.Now()
-		// fmt.Println("仿真更新,id:", info.id)
+		// dt := time.Since(w.lastTick).Milliseconds()
+		// if dt >= w.ActualTick() {
+		// 	// fmt.Println("仿真更新,id:", info.id)
+		// 	w.lastTick = time.Now()
+
+		// 	for _, sys := range w.systems {
+		// 		sys.Update(w)
+		// 	}
+		// 	// 处理事件管理相关
+		// 	w.processManageEventFuncs()
+		// 	// 处理所有事件
+		// 	processAllEvents(w)
+		// }
+		// time.Sleep(15 * time.Millisecond)
+
 		for _, sys := range w.systems {
 			sys.Update(w)
 		}
@@ -227,27 +249,5 @@ func (w *world) run() {
 		w.processManageEventFuncs()
 		// 处理所有事件
 		processAllEvents(w)
-		// 执行逻辑花费时间，单位ms
-		ot := time.Duration(time.Now().Nanosecond() - start.Nanosecond()).Milliseconds()
-		// 根据间隔和速度计算休眠时间
-		sleep := int64(float64(w.tick)/(w.speed)) - ot
-		if sleep > 0 {
-			time.Sleep(time.Duration(sleep) * time.Millisecond)
-		} else {
-			log.Println("仿真无休眠,id:", w.world.Id())
-		}
 	}
 }
-
-// 获取当前协程id
-func currentGoId() (gid uint64) {
-	b := make([]byte, 16)
-	b = b[:runtime.Stack(b, false)]
-	b = bytes.TrimPrefix(b, []byte("goroutine "))
-	b = b[:bytes.IndexByte(b, ' ')]
-	n, err := strconv.ParseUint(string(b), 10, 64)
-	if err != nil {
-		panic(err)
-	}
-	return n
-}