diff --git a/component/common.go b/component/common.go
new file mode 100644
index 0000000..519983b
--- /dev/null
+++ b/component/common.go
@@ -0,0 +1,26 @@
+package component
+
+import "joylink.club/ecs"
+
+// 两位置转换组件
+type TwoPositionTransform struct {
+	Pos   int // 当前位置百分比,[0, 10000],两位小数
+	Speed int
+}
+
+var TwoPositionTransformType = ecs.NewComponentType[TwoPositionTransform]()
+
+// 仅有两状态的组件
+type BitState struct {
+	Val bool
+}
+
+var BitStateType = ecs.NewComponentType[BitState]()
+
+// 倒数组件
+type CountDown struct {
+	Val int // 当前值
+	Dv  int // 每次递减的值
+}
+
+var CountDownType = ecs.NewComponentType[CountDown]()
diff --git a/component/relay.go b/component/relay.go
new file mode 100644
index 0000000..75e8046
--- /dev/null
+++ b/component/relay.go
@@ -0,0 +1,18 @@
+package component
+
+import "joylink.club/ecs"
+
+// 无极继电器和偏极继电器稳态为落下，也就是后接点(8组采集接点中的1,3接点，1为中接点)，吸气为前接点（1,2接点）
+// 有极继电器是定位反位双稳态（有永久磁钢），前接点为定位，后接点为反位
+// 有极继电器（对于道岔中的2DQJ），励磁接点1，2接通为反位，3，4接通为定位
+// 定义继电器状态时，false表示落下/反位/后接点，true表示吸起/定位/前接点
+
+// 继电器标签
+var RelayTag = ecs.NewTag()
+
+// 继电器控制请求组件
+type RelayActionRequest struct {
+	Xq bool // true：吸起
+}
+
+var RelayActionRequestType = ecs.NewComponentType[RelayActionRequest]()
diff --git a/component/turnout.go b/component/turnout.go
new file mode 100644
index 0000000..377f968
--- /dev/null
+++ b/component/turnout.go
@@ -0,0 +1,26 @@
+package component
+
+import "joylink.club/ecs"
+
+// 道岔标签
+var TurnoutTag = ecs.NewTag()
+
+// ZDJ9单机电路元器件
+
+type Zdj9_1_Electronic struct {
+	TDC_YCJ *ecs.Entry // 运行操作继电器
+	TDC_DCJ *ecs.Entry // 定操继电器
+	TDC_FCJ *ecs.Entry // 反操继电器
+
+	TDFJ_BB    *ecs.Entry // 道岔表示变压器
+	TDFJ_1DQJ  *ecs.Entry // 一启动继电器
+	TDFJ_BHJ   *ecs.Entry // 保护继电器
+	TDFJ_2DQJ  *ecs.Entry // 二启动继电器
+	TDFJ_1DQJF *ecs.Entry // 一启动复示继电器
+	TDFJ_DBJ   *ecs.Entry // 定位表示继电器
+	TDFJ_FBJ   *ecs.Entry // 反位表示继电器
+	TDFJ_R1    *ecs.Entry // 电阻
+}
+
+// ZDJ9单机电路元器件组件类型
+var Zdj9_1_ElectronicType = ecs.NewComponentType[Zdj9_1_Electronic]()
diff --git a/consts/constant.go b/consts/constant.go
new file mode 100644
index 0000000..a63ce5c
--- /dev/null
+++ b/consts/constant.go
@@ -0,0 +1,6 @@
+package consts
+
+const (
+	PosMin = 0
+	PosMax = 10000
+)
diff --git a/system/circuit_sys/turnout_zdj9_1.go b/system/circuit_sys/turnout_zdj9_1.go
new file mode 100644
index 0000000..089607a
--- /dev/null
+++ b/system/circuit_sys/turnout_zdj9_1.go
@@ -0,0 +1,53 @@
+// /ZDJ9单机转辙机电路系统
+package circuit_sys
+
+import (
+	"fmt"
+	"unsafe"
+
+	"github.com/yohamta/donburi/filter"
+	"joylink.club/ecs"
+	"joylink.club/rtsssimulation/component"
+)
+
+// 系统定义
+type ZDJ9_1 struct {
+	query *ecs.Query
+}
+
+func NewZdj9_1() *ZDJ9_1 {
+	return &ZDJ9_1{
+		query: ecs.NewQuery(filter.Contains(component.Zdj9_1_ElectronicType)),
+	}
+}
+
+func (zdj9 *ZDJ9_1) Update(w ecs.World) {
+	fmt.Println("ZDJ9单机牵引控制电路更新")
+	zdj9.query.Each(w, func(entry *ecs.Entry) {
+		elec := component.Zdj9_1_ElectronicType.Get(entry)
+		// TDFJ_1DQJ励磁电路
+		exciteTDFJ_1DQJ(elec)
+		// TDFJ_1DQJ监控电路
+	})
+}
+
+// TDFJ_1DQJ励磁电路逻辑
+func exciteTDFJ_1DQJ(elec *component.Zdj9_1_Electronic) {
+	// 暂时先实现非应急按钮操作
+	tdfj_1dqj := component.BitStateType.Get(elec.TDFJ_1DQJ)
+	if tdfj_1dqj.Val { // 已经吸起，结束
+		return
+	}
+	if elec.TDFJ_1DQJ.HasComponent(component.RelayActionRequestType) { // 如果正在吸起，结束
+		return
+	}
+	ycj := component.BitStateType.Get(elec.TDC_YCJ)
+	dcj := component.BitStateType.Get(elec.TDC_DCJ)
+	fcj := component.BitStateType.Get(elec.TDC_FCJ)
+	tdfj_2dqj := component.BitStateType.Get(elec.TDFJ_2DQJ)
+	if ycj.Val { // 允许操作继电器已经吸起
+		if (tdfj_2dqj.Val && fcj.Val) || (tdfj_2dqj.Val && dcj.Val) { // 电路导通，添加吸起请求
+			elec.TDFJ_1DQJ.AddComponent(component.RelayActionRequestType, unsafe.Pointer(&component.RelayActionRequest{Xq: true}))
+		}
+	}
+}
diff --git a/system/device_sys/relay.go b/system/device_sys/relay.go
new file mode 100644
index 0000000..65806ab
--- /dev/null
+++ b/system/device_sys/relay.go
@@ -0,0 +1,33 @@
+package device_sys
+
+import (
+	"github.com/yohamta/donburi/filter"
+	"joylink.club/ecs"
+	"joylink.club/rtsssimulation/component"
+)
+
+type RelaySys struct {
+	query *ecs.Query
+}
+
+func NewRelaySys() *RelaySys {
+	return &RelaySys{
+		query: ecs.NewQuery(filter.Contains(component.RelayTag, component.RelayActionRequestType, component.BitStateType)),
+	}
+}
+
+func (rs *RelaySys) Update(w ecs.World) {
+	rs.query.Each(w, func(entry *ecs.Entry) {
+		// 查询实体是哪种继电器类型，根据继电器类型处理继电器吸起落下逻辑(暂时先简化直接处理)
+		req := component.RelayActionRequestType.Get(entry)
+		state := component.BitStateType.Get(entry)
+		if req.Xq {
+			state.Val = true
+		} else {
+			state.Val = false
+		}
+		if req.Xq == state.Val { // 执行完毕，删除请求组件
+			entry.RemoveComponent(component.RelayActionRequestType)
+		}
+	})
+}
diff --git a/system/physics_sys/two_position_movement.go b/system/physics_sys/two_position_movement.go
new file mode 100644
index 0000000..3ea2855
--- /dev/null
+++ b/system/physics_sys/two_position_movement.go
@@ -0,0 +1,33 @@
+package physics_sys
+
+import (
+	"github.com/yohamta/donburi/filter"
+	"joylink.club/ecs"
+	"joylink.club/rtsssimulation/component"
+	"joylink.club/rtsssimulation/consts"
+)
+
+type TwoPositionMovementSys struct {
+	query *ecs.Query
+}
+
+func NewTwoPositionMovementSys() *TwoPositionMovementSys {
+	return &TwoPositionMovementSys{
+		query: ecs.NewQuery(filter.Contains(component.TwoPositionTransformType)),
+	}
+}
+
+// 更新位置
+func (tp *TwoPositionMovementSys) Update(w ecs.World) {
+	tp.query.Each(w, func(entry *ecs.Entry) {
+		position := component.TwoPositionTransformType.Get(entry)
+		if position.Speed != 0 {
+			position.Pos += position.Speed
+			if position.Pos < consts.PosMin {
+				position.Pos = consts.PosMin
+			} else if position.Pos > consts.PosMax {
+				position.Pos = consts.PosMax
+			}
+		}
+	})
+}