diff --git a/examples/rtss-cg/linux_amd64_make.bat b/examples/rtss-cg/linux_amd64_make.bat
new file mode 100644
index 0000000..fbf0f11
--- /dev/null
+++ b/examples/rtss-cg/linux_amd64_make.bat
@@ -0,0 +1,9 @@
+@echo off
+
+set CGO_ENABLED=0
+set GOARCH=amd64
+set GOOS=linux
+set APP_NAME=%GOOS%_%GOARCH%_app
+echo complie ...
+go build -o %APP_NAME% main.go
+echo complie output %APP_NAME%
\ No newline at end of file
diff --git a/examples/rtss-cg/main.go b/examples/rtss-cg/main.go
index 17916c4..8b7d589 100644
--- a/examples/rtss-cg/main.go
+++ b/examples/rtss-cg/main.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"log"
 	"time"
 
 	"github.com/yohamta/donburi/filter"
@@ -35,34 +34,31 @@ import (
 */
 //
 //
-func init() {
-	log.SetFlags(log.Lshortfile | log.Lmicroseconds | log.Ldate)
-}
-
-// 1 world 须增加attach , 绑定与该world相关的信息
-// 2 事件的订阅、发布、处理是独立调用执行的，事件处理可以集中处理也可以只处理某类事件
 func main() {
 	//
-	simWorld := ecs.NewWorld(400)
+	simWorld := ecs.NewWorld(300)
 	//
 	initMemoryModel(simWorld)
 	//道岔
 	initSwitchState(simWorld)
 	//轨道
 	initLinkState(simWorld)
-	//添加列车
-	initTrainState(simWorld, "train1", iwayside.LinkLocation{LinkId: "link4", LinkOffset: 3000 * 100 * 10}, false)
+	//物理区段
+	initPhsicalSectionState(simWorld)
 	//
 	simWorld.AddSystem(system.NewSwitchSystem())
 	simWorld.AddSystem(system.NewTrainSystem())
-	simWorld.AddSystem(system.NewCiSystem())
+	//simWorld.AddSystem(system.NewCiSystem())
+	simWorld.AddSystem(system.NewSectionSystem())
 	//
 	simWorld.StartUp()
 	//
-	time.Sleep(2 * time.Second)
-	//
 	operateSwitch(simWorld, "dc1")
 	operateSwitch(simWorld, "dc2")
+	time.Sleep(10 * time.Second)
+	//添加列车
+	initTrainState(simWorld, "train1", iwayside.LinkLocation{LinkId: "link4", LinkOffset: 3000 * 100 * 10}, false)
+	initTrainState(simWorld, "train2", iwayside.LinkLocation{LinkId: "link4", LinkOffset: 1000 * 100 * 10}, false)
 	time.Sleep(200 * time.Second)
 }
 
@@ -108,6 +104,16 @@ func initLinkState(world ecs.World) {
 	}
 }
 
+// 初始化物理区段状态
+func initPhsicalSectionState(world ecs.World) {
+	simMemory := simulation.GetMemoryModel(world)
+	for _, phSecModel := range simMemory.PhysicalSections {
+		sectionState := &state.PhysicalSectionState{Id: phSecModel.GetId(), Occupied: false}
+		sectionEntry := world.Create(simulation.ComPhsicalSectionState)
+		simulation.ComPhsicalSectionState.Set(sectionEntry, sectionState)
+	}
+}
+
 // 添加列车并初始化
 func initTrainState(world ecs.World, trainId string, linkLocation iwayside.LinkLocation, up bool) {
 	train := &state.TrainState{Id: trainId, LinkId: linkLocation.LinkId, LinkOffset: linkLocation.LinkOffset, Up: up}
diff --git a/examples/rtss-cg/mwayside/link_model.go b/examples/rtss-cg/mwayside/link_model.go
index 777b16a..8836c7f 100644
--- a/examples/rtss-cg/mwayside/link_model.go
+++ b/examples/rtss-cg/mwayside/link_model.go
@@ -1,5 +1,7 @@
 package mwayside
 
+import "joylink.club/rtss/iwayside"
+
 //长link只与道岔相连
 type LinkModel struct {
 	//轨道基本信息
@@ -11,3 +13,15 @@ type LinkModel struct {
 	//轨道B端连接的道岔
 	PortB *SwitchRef
 }
+
+//与该轨道连接的所有道岔
+func (me *LinkModel) FindSwitchModels() []iwayside.ISwitchModel {
+	var dcs []iwayside.ISwitchModel
+	if nil != me.PortA {
+		dcs = append(dcs, me.PortA.Switch)
+	}
+	if nil != me.PortB {
+		dcs = append(dcs, me.PortB.Switch)
+	}
+	return dcs
+}
diff --git a/examples/rtss-cg/mwayside/physical_section_model.go b/examples/rtss-cg/mwayside/physical_section_model.go
index 556210a..51b7d84 100644
--- a/examples/rtss-cg/mwayside/physical_section_model.go
+++ b/examples/rtss-cg/mwayside/physical_section_model.go
@@ -1,8 +1,10 @@
 package mwayside
 
-import "joylink.club/rtss/iwayside"
+import (
+	"joylink.club/rtss/iwayside"
+)
 
-//物理区段
+// 物理区段
 type PhysicalSectionModel struct {
 	DeviceModel
 	//true-线性物理区段；false-岔区物理区段
@@ -15,7 +17,7 @@ type PhysicalSectionModel struct {
 	AreaAxlePoints []iwayside.IAxlePointModel
 }
 
-//创建线性物理区段模型
+// 创建线性物理区段模型
 func NewLinePhysicalSectionModel(id string, axlePointPortA iwayside.IAxlePointModel, axlePointPortB iwayside.IAxlePointModel) *PhysicalSectionModel {
 	return &PhysicalSectionModel{
 		DeviceModel:    DeviceModel{Id: id, Type: iwayside.PhysicalSection},
@@ -25,7 +27,7 @@ func NewLinePhysicalSectionModel(id string, axlePointPortA iwayside.IAxlePointMo
 	}
 }
 
-//创建岔区物理区段模型
+// 创建岔区物理区段模型
 func NewAreaPhysicalSectionModel(id string, axlePointPorts ...iwayside.IAxlePointModel) *PhysicalSectionModel {
 	return &PhysicalSectionModel{
 		DeviceModel:    DeviceModel{Id: id, Type: iwayside.PhysicalSection},
diff --git a/examples/rtss-cg/mwayside/switch_model.go b/examples/rtss-cg/mwayside/switch_model.go
index d9c8e5f..c2d08f8 100644
--- a/examples/rtss-cg/mwayside/switch_model.go
+++ b/examples/rtss-cg/mwayside/switch_model.go
@@ -1,5 +1,7 @@
 package mwayside
 
+import "joylink.club/rtss/iwayside"
+
 type SwitchModel struct {
 	//道岔基本信息
 	DeviceModel
@@ -12,3 +14,17 @@ type SwitchModel struct {
 	//道岔公里标,单位mm
 	KilometerSign int64
 }
+
+// 判端轨道是否与该道岔连接
+func (me *SwitchModel) IsLink(link iwayside.ILinkModel) bool {
+	if nil != me.PortA && link.GetId() == me.PortA.Link.GetId() {
+		return true
+	}
+	if nil != me.PortB && link.GetId() == me.PortB.Link.GetId() {
+		return true
+	}
+	if nil != me.PortC && link.GetId() == me.PortC.Link.GetId() {
+		return true
+	}
+	return false
+}
diff --git a/examples/rtss-cg/simulation/ecs_components.go b/examples/rtss-cg/simulation/ecs_components.go
index 7c3df84..044c829 100644
--- a/examples/rtss-cg/simulation/ecs_components.go
+++ b/examples/rtss-cg/simulation/ecs_components.go
@@ -12,6 +12,9 @@ var ComSwitchOperating = ecs.NewComponentType[state.SwitchOperating]()
 // 轨道状态组件
 var ComLinkState = ecs.NewComponentType[state.LinkState]()
 
+// 物理区段状态
+var ComPhsicalSectionState = ecs.NewComponentType[state.PhysicalSectionState]()
+
 // 列车状态组件
 var ComTrainState = ecs.NewComponentType[state.TrainState]()
 
diff --git a/examples/rtss-cg/simulation/sim_memory.go b/examples/rtss-cg/simulation/sim_memory.go
index bfb5ffa..1709914 100644
--- a/examples/rtss-cg/simulation/sim_memory.go
+++ b/examples/rtss-cg/simulation/sim_memory.go
@@ -5,6 +5,7 @@ import (
 	"github.com/yohamta/donburi/filter"
 	"joylink.club/ecs"
 	"joylink.club/rtss/iwayside"
+	"joylink.club/rtss/mwayside"
 )
 
 type SimMemory struct {
@@ -29,3 +30,13 @@ func GetMemoryModel(world ecs.World) *SimMemory {
 	}
 	return nil
 }
+
+// 将列车轨道位置偏移转换为公里标,道岔处用投影近似
+func (me *SimMemory) LinkOffsetToKilometerSign(linkId string, linkOffset int64) int64 {
+	link := me.Links[linkId].(*mwayside.LinkModel)
+	if nil != link.PortA {
+		return link.PortA.Switch.(*mwayside.SwitchModel).KilometerSign + linkOffset
+	} else {
+		return link.PortB.Switch.(*mwayside.SwitchModel).KilometerSign - linkOffset
+	}
+}
diff --git a/examples/rtss-cg/state/section_state.go b/examples/rtss-cg/state/section_state.go
new file mode 100644
index 0000000..105c8d1
--- /dev/null
+++ b/examples/rtss-cg/state/section_state.go
@@ -0,0 +1,9 @@
+package state
+
+//物理区段状态
+type PhysicalSectionState struct {
+	//区段id
+	Id string
+	//是否有车占用
+	Occupied bool
+}
diff --git a/examples/rtss-cg/system/section_system.go b/examples/rtss-cg/system/section_system.go
new file mode 100644
index 0000000..fb60097
--- /dev/null
+++ b/examples/rtss-cg/system/section_system.go
@@ -0,0 +1,132 @@
+package system
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/yohamta/donburi/filter"
+	"joylink.club/ecs"
+	"joylink.club/rtss/iwayside"
+	"joylink.club/rtss/mwayside"
+	"joylink.club/rtss/simulation"
+	"joylink.club/rtss/state"
+)
+
+// 物理区段状态检测
+type SectionSystem struct {
+	//列车查询
+	trainQuery *ecs.Query
+	//物理区段查询
+	sectionQuery *ecs.Query
+}
+
+func NewSectionSystem() *SectionSystem {
+	return &SectionSystem{
+		trainQuery:   ecs.NewQuery(filter.Contains(simulation.ComTrainState)),
+		sectionQuery: ecs.NewQuery(filter.Contains(simulation.ComPhsicalSectionState)),
+	}
+}
+func (me *SectionSystem) Update(w ecs.World) {
+	memory := simulation.GetMemoryModel(w)
+	//收集轨道占用点
+	var standPoints []*standingPoint
+	me.trainQuery.Each(w, func(e *ecs.Entry) {
+		train := simulation.ComTrainState.Get(e)
+		standPoints = append(standPoints, &standingPoint{link: memory.Links[train.LinkId].(*mwayside.LinkModel), offset: train.LinkOffset})
+	})
+	//物理区段状态
+	me.sectionQuery.Each(w, func(e *ecs.Entry) {
+		sectionState := simulation.ComPhsicalSectionState.Get(e)
+		sectionState.Occupied = checkOccupy(memory, standPoints, sectionState)
+	})
+	//
+	sb := &strings.Builder{}
+	me.sectionQuery.Each(w, func(e *ecs.Entry) {
+		sectionState := simulation.ComPhsicalSectionState.Get(e)
+		sb.WriteString(fmt.Sprintf("区段[%s]占用[%t] ||", sectionState.Id, sectionState.Occupied))
+	})
+	fmt.Println("==>>", sb.String())
+}
+
+// 判断物理区段是否有列车占用
+func checkOccupy(memory *simulation.SimMemory, standPoints []*standingPoint, sectionState *state.PhysicalSectionState) bool {
+	occupied := false
+	//
+	sectionModel := memory.PhysicalSections[sectionState.Id].(*mwayside.PhysicalSectionModel)
+	for _, standPoint := range standPoints {
+		if occupied = containsPoint(sectionModel, standPoint); occupied {
+			break
+		}
+	}
+	//
+	return occupied
+}
+func containsPoint(sectionModel *mwayside.PhysicalSectionModel, point *standingPoint) bool {
+
+	if sectionModel.Line {
+		if sectionModel.AxlePointPortA.(*mwayside.AxlePointModel).Link.GetId() != point.link.GetId() || sectionModel.AxlePointPortB.(*mwayside.AxlePointModel).Link.GetId() != point.link.GetId() {
+			return false
+		}
+		offsetKilometerSign := linkOffsetToKilometerSign(point.link, point.offset)
+		return offsetKilometerSign > sectionModel.AxlePointPortA.(*mwayside.AxlePointModel).KilometerSign && offsetKilometerSign < sectionModel.AxlePointPortB.(*mwayside.AxlePointModel).KilometerSign
+	} else { //岔区物理区段
+		//物理区段中的道岔
+		sectionDc := findPhsicalSectionSwitches(sectionModel).(*mwayside.SwitchModel)
+		sectionDcKilometerSign := sectionDc.KilometerSign
+		//占用点公里标
+		standKilometerSign := linkOffsetToKilometerSign(point.link, point.offset)
+		for _, axle := range sectionModel.AreaAxlePoints {
+			if sectionDc.IsLink(axle.(*mwayside.AxlePointModel).Link) {
+				axleKilometerSign := axle.(*mwayside.AxlePointModel).KilometerSign
+				if axleKilometerSign < sectionDcKilometerSign {
+					return standKilometerSign > axleKilometerSign && standKilometerSign < sectionDcKilometerSign
+				} else {
+					return standKilometerSign > sectionDcKilometerSign && standKilometerSign < axleKilometerSign
+				}
+			}
+		}
+		return false
+	}
+}
+
+// 轨道偏移转换为公里标
+func linkOffsetToKilometerSign(link *mwayside.LinkModel, offset int64) int64 {
+	var rate float64 = float64(offset) / float64(link.Len)
+	if nil != link.PortA && nil != link.PortB {
+		portASwitch := link.PortA.Switch.(*mwayside.SwitchModel)
+		portBSwitch := link.PortB.Switch.(*mwayside.SwitchModel)
+		return portASwitch.KilometerSign + int64(float64(portBSwitch.KilometerSign-portASwitch.KilometerSign)*rate)
+	} else if nil != link.PortA && nil == link.PortB {
+		portASwitch := link.PortA.Switch.(*mwayside.SwitchModel)
+		return portASwitch.KilometerSign + offset
+	} else { //nil == link.PortA && nil != link.PortB
+		portBSwitch := link.PortB.Switch.(*mwayside.SwitchModel)
+		return portBSwitch.KilometerSign - link.Len + offset
+	}
+
+}
+
+// 被占用的轨道点定义
+type standingPoint struct {
+	link   *mwayside.LinkModel
+	offset int64
+}
+
+// 岔区物理区段，则返回计轴集合框定的道岔
+func findPhsicalSectionSwitches(me *mwayside.PhysicalSectionModel) iwayside.ISwitchModel {
+	if len(me.AreaAxlePoints) == 0 {
+		return nil
+	}
+	dcMap := make(map[string]iwayside.ISwitchModel)
+	for _, axle := range me.AreaAxlePoints {
+		linkDcs := axle.(*mwayside.AxlePointModel).Link.(*mwayside.LinkModel).FindSwitchModels()
+		for _, linkDc := range linkDcs {
+			if _, ok := dcMap[linkDc.GetId()]; !ok {
+				dcMap[linkDc.GetId()] = linkDc
+			} else {
+				return linkDc
+			}
+		}
+	}
+	return nil
+}
diff --git a/examples/rtss-cg/system/switch_system.go b/examples/rtss-cg/system/switch_system.go
index ed6b747..5dbfde0 100644
--- a/examples/rtss-cg/system/switch_system.go
+++ b/examples/rtss-cg/system/switch_system.go
@@ -6,6 +6,7 @@ import (
 
 	"github.com/yohamta/donburi/filter"
 	"joylink.club/ecs"
+	"joylink.club/rtss/mwayside"
 	"joylink.club/rtss/simulation"
 )
 
@@ -36,3 +37,16 @@ func (me *SwitchSystem) Update(w ecs.World) {
 func NewSwitchSystem() *SwitchSystem {
 	return &SwitchSystem{ComQuery: ecs.NewQuery(filter.Contains(simulation.ComSwitchOperating))}
 }
+
+// 判断点是否在该物理区段内
+func ContainsPoint(me *mwayside.PhysicalSectionModel, linkId string, kilometerSign int64) bool {
+	if me.AxlePointPortA.(*mwayside.AxlePointModel).Link.GetId() != linkId || me.AxlePointPortB.(*mwayside.AxlePointModel).Link.GetId() != linkId {
+		return false
+	}
+	if me.Line {
+		return me.AxlePointPortA.(*mwayside.AxlePointModel).KilometerSign < kilometerSign && me.AxlePointPortB.(*mwayside.AxlePointModel).KilometerSign > kilometerSign
+	} else {
+
+	}
+	return true
+}
diff --git a/examples/rtss-cg/system/train_system.go b/examples/rtss-cg/system/train_system.go
index c5d2300..d0a642a 100644
--- a/examples/rtss-cg/system/train_system.go
+++ b/examples/rtss-cg/system/train_system.go
@@ -23,6 +23,7 @@ func (me *TrainSystem) Update(w ecs.World) {
 		fmt.Println("==>>列车 id = ", train.Id, " linkId = ", train.LinkId, " offset = ", train.LinkOffset, "  up = ", train.Up)
 		curLink := findTrainLinkModel(w, train.LinkId)
 		var offset int64 = train.LinkOffset + func() int64 {
+			//列车一个循环移动1m
 			if train.Up {
 				return 20 * 1000
 			} else {