diff --git a/repo/check_test.go b/cgrepo/check_test.go
similarity index 100%
rename from repo/check_test.go
rename to cgrepo/check_test.go
diff --git a/repo/dto/cg_repo.pb.go b/cgrepo/dto/cg_repo.pb.go
similarity index 100%
rename from repo/dto/cg_repo.pb.go
rename to cgrepo/dto/cg_repo.pb.go
diff --git a/repo/error_record.go b/cgrepo/error_record.go
similarity index 100%
rename from repo/error_record.go
rename to cgrepo/error_record.go
diff --git a/repo/idmapping_build.go b/cgrepo/idmapping_build.go
similarity index 98%
rename from repo/idmapping_build.go
rename to cgrepo/idmapping_build.go
index 9980f40..9f07b16 100644
--- a/repo/idmapping_build.go
+++ b/cgrepo/idmapping_build.go
@@ -6,8 +6,7 @@ import (
 	"strconv"
 	"strings"
 
-	"joylink.club/rtsssimulation/repo/dto"
-	"joylink.club/rtsssimulation/repo/model"
+	"joylink.club/rtsssimulation/cgrepo/dto"
 )
 
 // 城轨uid
@@ -58,10 +57,10 @@ type idMap struct {
 	// 元素id
 	Eid uint32
 	// 唯一id
-	Uid model.Uid
+	Uid *CgUid
 }
 
-func NewIdMap(did string, eid uint32, uid model.Uid) *idMap {
+func NewIdMap(did string, eid uint32, uid *CgUid) *idMap {
 	return &idMap{
 		Did: did,
 		Eid: eid,
diff --git a/cgrepo/manage.go b/cgrepo/manage.go
new file mode 100644
index 0000000..15f8f68
--- /dev/null
+++ b/cgrepo/manage.go
@@ -0,0 +1,33 @@
+package repo
+
+// type repoManager struct {
+// 	repoMap map[string]CgRepo
+// 	lock    sync.Mutex
+// }
+
+// var defaultManager = &repoManager{
+// 	repoMap: make(map[string]CgRepo),
+// }
+
+// // 获取或构建模型仓库
+// func GetOrBuildRepo(id string, dc func(errRecord *ErrorRecord) *dto.CgRepo) (CgRepo, *ErrorRecord) {
+// 	manager := defaultManager
+// 	manager.lock.Lock()
+// 	defer manager.lock.Unlock()
+// 	r, ok := manager.repoMap[id]
+// 	errRecord := NewErrorRecord()
+// 	if !ok {
+// 		// 所需protobuf数据转换
+// 		msgs := dc(errRecord)
+// 		// 数据转换出错直接返回
+// 		if errRecord.HasError() {
+// 			return nil, errRecord
+// 		}
+// 		// 构建模型Repo
+// 		r, errRecord = BuildFrom(msgs)
+// 		if r != nil {
+// 			manager.repoMap[id] = r
+// 		}
+// 	}
+// 	return r, errRecord
+// }
diff --git a/cgrepo/model/common.go b/cgrepo/model/common.go
new file mode 100644
index 0000000..a766c75
--- /dev/null
+++ b/cgrepo/model/common.go
@@ -0,0 +1,34 @@
+package model
+
+type ModelType string
+
+const (
+	// 车站
+	ModelType_Station ModelType = "Station"
+	// 站台
+	ModelType_Stand ModelType = "Stand"
+	// 屏蔽门
+	ModelType_PSD ModelType = "PSD"
+	// Link
+	ModelType_Link ModelType = "Link"
+	// 区段
+	ModelType_Section ModelType = "Section"
+	// 道岔
+	ModelType_Turnout ModelType = "Turnout"
+	// 信号机
+	ModelType_Signal ModelType = "Signal"
+	// 应答器
+	ModelType_Balise ModelType = "Balise"
+)
+
+type Uid interface {
+	Id() string
+}
+
+// 模型接口
+type Model interface {
+	// Unique id,唯一id
+	Uid() Uid
+	// 模型类型
+	Type() ModelType
+}
diff --git a/cgrepo/model/link.go b/cgrepo/model/link.go
new file mode 100644
index 0000000..9e84047
--- /dev/null
+++ b/cgrepo/model/link.go
@@ -0,0 +1,141 @@
+package model
+
+import "log/slog"
+
+// link端口
+type Link_Port int
+
+const (
+	LinkPort_A Link_Port = -1
+	LinkPort_B Link_Port = 1
+)
+
+// Link
+type Link interface {
+	Model
+	// Link总长度
+	Length() int64
+	// 获取端口A关联的道岔
+	GetPaTurnout() Turnout
+	// 获取端口B关联的道岔
+	GetPbTurnout() Turnout
+	// 下一个link及端口
+	// port - 当前link端口
+	// tpos - 当前道岔位置
+	Next(port Link_Port, tpos TurnoutPosition) *LinkPort
+}
+
+type LinkPort struct {
+	link Link
+	port Link_Port
+}
+
+func NewLinkPort(link Link, port Link_Port) *LinkPort {
+	return &LinkPort{
+		link: link,
+		port: port,
+	}
+}
+
+// link偏移位置
+// 默认linkA端口偏移为0，从A到B为增大，从B到A为减小
+type LinkOffset struct {
+	link   Link
+	offset int64 // 偏移坐标,link相当于一个一维坐标系,以端口A为原点
+}
+
+// 创建link偏移位置,若offset超出link长度则返回nil
+func NewLinkOffset(link Link, offset int64) *LinkOffset {
+	if offset < 0 || offset > link.Length() {
+		return nil
+	}
+	return &LinkOffset{
+		link:   link,
+		offset: offset,
+	}
+}
+
+func (l *LinkOffset) Link() Link {
+	return l.link
+}
+func (l *LinkOffset) Offset() int64 {
+	return l.offset
+}
+
+// link偏移范围
+type LinkRange struct {
+	link  Link
+	start int64
+	end   int64
+}
+
+func NewLinkRange(link Link, a int64, b int64) *LinkRange {
+	if a < 0 || a > link.Length() {
+		slog.Error("创建link偏移范围失败: 超出link长度范围", slog.Int64("a", a))
+		return nil
+	} else if b < 0 || b > link.Length() {
+		slog.Error("创建link偏移范围失败: 超出link长度范围", slog.Int64("b", b))
+		return nil
+	}
+	var start int64
+	var end int64
+	if a > b {
+		start = b
+		end = a
+	} else {
+		start = a
+		end = b
+	}
+	return &LinkRange{
+		link:  link,
+		start: start,
+		end:   end,
+	}
+}
+
+// 是否相交
+func (l *LinkRange) IsIntersect(other *LinkRange) bool {
+	if l.link != other.link {
+		return false
+	}
+	if l.start > other.end || other.start > l.end {
+		return false
+	}
+	return true
+}
+
+// 是否相交
+func (l *LinkRange) IsIntersect2(a, b int64) bool {
+	var start int64
+	var end int64
+	if a > b {
+		start = b
+		end = a
+	} else {
+		start = a
+		end = b
+	}
+	if start > l.end || end < l.start {
+		return false
+	}
+	return true
+}
+
+// 是否在范围内
+func (l *LinkRange) IsInRange(lo *LinkOffset) bool {
+	if lo.link != l.link {
+		return false
+	}
+	if lo.offset < l.start || lo.offset > l.end {
+		return false
+	}
+	return true
+}
+
+// 偏移坐标是否在范围内
+func (l *LinkRange) IsInRange2(offset int64) bool {
+	if offset < l.start || offset > l.end {
+		return false
+	}
+	return true
+}
diff --git a/cgrepo/model/psd.go b/cgrepo/model/psd.go
new file mode 100644
index 0000000..2fd5b11
--- /dev/null
+++ b/cgrepo/model/psd.go
@@ -0,0 +1,6 @@
+package model
+
+// 站台屏蔽门
+type PSD interface {
+	Model
+}
diff --git a/cgrepo/model/relay.go b/cgrepo/model/relay.go
new file mode 100644
index 0000000..6233b3c
--- /dev/null
+++ b/cgrepo/model/relay.go
@@ -0,0 +1,11 @@
+package model
+
+// 继电器位置
+type RelayPosition int
+
+const (
+	// 继电器位置-后(表示落下/反位)
+	RelayPosition_H RelayPosition = 0
+	// 继电器位置-前(表示吸起/定位)
+	RelayPosition_Q RelayPosition = 1
+)
diff --git a/cgrepo/model/section.go b/cgrepo/model/section.go
new file mode 100644
index 0000000..93ca2fc
--- /dev/null
+++ b/cgrepo/model/section.go
@@ -0,0 +1,9 @@
+package model
+
+// 物理区段(实际检测区段)
+type PhysicalSection interface {
+	Model
+	Code() string
+	// 所在Link范围
+	LinkRanges() []*LinkRange
+}
diff --git a/cgrepo/model/signal.go b/cgrepo/model/signal.go
new file mode 100644
index 0000000..5fa1d8b
--- /dev/null
+++ b/cgrepo/model/signal.go
@@ -0,0 +1,6 @@
+package model
+
+// 信号机
+type Signal interface {
+	Model
+}
diff --git a/cgrepo/model/station.go b/cgrepo/model/station.go
new file mode 100644
index 0000000..38599ee
--- /dev/null
+++ b/cgrepo/model/station.go
@@ -0,0 +1,44 @@
+package model
+
+// 车站
+type Station interface {
+	Model
+	// 车站名
+	Name() string
+	// 是否设备集中站
+	IsEcs() bool
+}
+
+// 设备集中站
+type Ecs interface {
+	Station
+	// 获取所有道岔
+	Turnouts() []Turnout
+	// 获取所有信号机
+	Signals() []Signal
+	// 获取所有站台屏蔽门
+	PSDs() []PSD
+	// 获取联锁驱采表
+	CiQCTable()
+}
+
+// 联锁驱采表
+type CiQCTable interface {
+	// 驱动码位表(每一位所驱动的继电器uid)
+	QD() []string
+	// 采集码位表(每一位所采集的继电器位置)
+	CJ() []CiCJ
+}
+
+// 联锁采集
+type CiCJ interface {
+	CjPos() []CiCJPos
+}
+
+// 联锁采集继电器位置
+type CiCJPos interface {
+	// 继电器uid
+	RelayId() string
+	// 继电器位置
+	Pos() RelayPosition
+}
diff --git a/cgrepo/model/turnout.go b/cgrepo/model/turnout.go
new file mode 100644
index 0000000..10a4dd8
--- /dev/null
+++ b/cgrepo/model/turnout.go
@@ -0,0 +1,32 @@
+package model
+
+// 道岔位置
+type TurnoutPosition int
+
+const (
+	// 失表
+	TPos_Lost TurnoutPosition = 0
+	// 定位
+	TPos_DW TurnoutPosition = 1
+	// 反位
+	TPos_FW TurnoutPosition = 2
+)
+
+type Turnout_Port int
+
+const (
+	TurnoutPort_A Turnout_Port = 0
+	TurnoutPort_B Turnout_Port = 1
+	TurnoutPort_C Turnout_Port = 2
+)
+
+// 道岔
+type Turnout interface {
+	Model
+	// 获取A方向连接的link端口
+	GetALinkPort() *LinkPort
+	// 获取B方向连接的link端口
+	GetBLinkPort() *LinkPort
+	// 获取C方向连接的link端口
+	GetCLinkPort() *LinkPort
+}
diff --git a/repo/model/impl/link.go b/cgrepo/model_impl/link.go
similarity index 89%
rename from repo/model/impl/link.go
rename to cgrepo/model_impl/link.go
index 872d6fa..be889c9 100644
--- a/repo/model/impl/link.go
+++ b/cgrepo/model_impl/link.go
@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"sync/atomic"
 
-	"joylink.club/rtsssimulation/repo/dto"
-	"joylink.club/rtsssimulation/repo/model"
+	"joylink.club/rtsssimulation/cgrepo/dto"
+	"joylink.club/rtsssimulation/cgrepo/model"
 )
 
 // link生成uid基础值
@@ -35,7 +35,7 @@ func (l *Link) Uid() string {
 }
 
 func (l *Link) Type() model.ModelType {
-	return model.MT_Link
+	return model.ModelType_Link
 }
 
 // link偏移
diff --git a/repo/model/impl/physical_section.go b/cgrepo/model_impl/physical_section.go
similarity index 88%
rename from repo/model/impl/physical_section.go
rename to cgrepo/model_impl/physical_section.go
index cbc2d97..008f365 100644
--- a/repo/model/impl/physical_section.go
+++ b/cgrepo/model_impl/physical_section.go
@@ -1,7 +1,7 @@
 package impl
 
 import (
-	"joylink.club/rtsssimulation/repo/model"
+	"joylink.club/rtsssimulation/cgrepo/model"
 )
 
 type PhysicalSection struct {
@@ -25,7 +25,7 @@ func (s *PhysicalSection) Uid() string {
 }
 
 func (s *PhysicalSection) Type() model.ModelType {
-	return model.MT_Section
+	return model.ModelType_Section
 }
 
 func (s *PhysicalSection) Code() string {
diff --git a/repo/model/impl/section_check_device.go b/cgrepo/model_impl/section_check_device.go
similarity index 100%
rename from repo/model/impl/section_check_device.go
rename to cgrepo/model_impl/section_check_device.go
diff --git a/repo/model/impl/turnout.go b/cgrepo/model_impl/turnout.go
similarity index 89%
rename from repo/model/impl/turnout.go
rename to cgrepo/model_impl/turnout.go
index d2d41b1..a465f0e 100644
--- a/repo/model/impl/turnout.go
+++ b/cgrepo/model_impl/turnout.go
@@ -1,6 +1,6 @@
 package impl
 
-import "joylink.club/rtsssimulation/repo/model"
+import "joylink.club/rtsssimulation/cgrepo/model"
 
 type Turnout struct {
 	uid  string
diff --git a/cgrepo/repo.go b/cgrepo/repo.go
new file mode 100644
index 0000000..4053076
--- /dev/null
+++ b/cgrepo/repo.go
@@ -0,0 +1,56 @@
+package repo
+
+import "joylink.club/rtsssimulation/cgrepo/model"
+
+type CgRepo interface {
+	// 模型仓库id
+	Id() string
+	// 获取所有道岔
+	Turnouts() []model.Turnout
+	// 通过uid查询模型对象
+	FindByUid(uid string) model.Model
+}
+
+type IdMap interface {
+	// 获取数据元素id
+	DeId() string
+	// 获取uid
+	Uid() string
+}
+
+// type repo struct {
+// 	id                 string
+// 	idMapping          *IdMapping                       // id映射
+// 	modelMap           map[string]model.Model           // 模型map,key为uid
+// 	linkMap            map[string]*impl.Link            // 链路map,key为uid
+// 	physicalSectionMap map[string]*impl.PhysicalSection // 物理区段map,key为uid
+// 	turnoutMap         map[string]*impl.Turnout         // 道岔map,key为uid
+// }
+
+// func BuildFrom(msgs *dto.CgRepo) (CgRepo, *ErrorRecord) {
+// 	errRecord := NewErrorRecord()
+// 	idMapping := BuildIdMapping(msgs, errRecord)
+// 	if errRecord.HasError() {
+// 		return nil, errRecord
+// 	}
+// 	repo := &repo{
+// 		id:                 msgs.Id,
+// 		idMapping:          idMapping,
+// 		modelMap:           make(map[string]model.Model, 1024),
+// 		linkMap:            make(map[string]*impl.Link, 256),
+// 		physicalSectionMap: make(map[string]*impl.PhysicalSection, 256),
+// 		turnoutMap:         make(map[string]*impl.Turnout, 128),
+// 	}
+
+// 	return repo, errRecord
+// }
+
+// // 模型仓库id
+// func (r *repo) Id() string {
+// 	return r.id
+// }
+
+// // 通过uid查询模型对象
+// func (r *repo) FindByUid(uid string) model.Model {
+// 	return nil
+// }
diff --git a/proto/src/cg_repo.proto b/proto/src/cg_repo.proto
index 6c76f68..647bdbc 100644
--- a/proto/src/cg_repo.proto
+++ b/proto/src/cg_repo.proto
@@ -463,9 +463,9 @@ message Lamp {
 
 // 设备电子元件组合
 message DeviceEcc {
-    // 设备类型
+    // 模型类型
     Model.Type deviceType = 1;
-    // 设备编号
+    // 模型编号
     string deviceCode = 2;
     // 电子元件组合
     repeated Ecc ecc = 3;
diff --git a/repo/api.go b/repo/api.go
deleted file mode 100644
index 0281e87..0000000
--- a/repo/api.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package repo
-
-import "joylink.club/rtsssimulation/repo/model"
-
-type CgRepo interface {
-	// 模型仓库id
-	Id() string
-	// 通过uid查询模型对象
-	FindByUid(uid string) model.Model
-}
-
-type IdMap interface {
-	// 获取数据元素id
-	DeId() string
-	// 获取uid
-	Uid() string
-}
diff --git a/repo/manage.go b/repo/manage.go
deleted file mode 100644
index 4b36369..0000000
--- a/repo/manage.go
+++ /dev/null
@@ -1,39 +0,0 @@
-package repo
-
-import (
-	"sync"
-
-	"joylink.club/rtsssimulation/repo/dto"
-)
-
-type repoManager struct {
-	repoMap map[string]CgRepo
-	lock    sync.Mutex
-}
-
-var defaultManager = &repoManager{
-	repoMap: make(map[string]CgRepo),
-}
-
-// 获取或构建模型仓库
-func GetOrBuildRepo(id string, dc func(errRecord *ErrorRecord) *dto.CgRepo) (CgRepo, *ErrorRecord) {
-	manager := defaultManager
-	manager.lock.Lock()
-	defer manager.lock.Unlock()
-	r, ok := manager.repoMap[id]
-	errRecord := NewErrorRecord()
-	if !ok {
-		// 所需protobuf数据转换
-		msgs := dc(errRecord)
-		// 数据转换出错直接返回
-		if errRecord.HasError() {
-			return nil, errRecord
-		}
-		// 构建模型Repo
-		r, errRecord = BuildFrom(msgs)
-		if r != nil {
-			manager.repoMap[id] = r
-		}
-	}
-	return r, errRecord
-}
diff --git a/repo/model/api.go b/repo/model/api.go
deleted file mode 100644
index d564aaa..0000000
--- a/repo/model/api.go
+++ /dev/null
@@ -1,57 +0,0 @@
-package model
-
-type ModelType string
-
-const (
-	// 车站
-	MT_Station ModelType = "Station"
-	// 站台
-	MT_Stand ModelType = "Stand"
-	// 屏蔽门
-	MT_PSD ModelType = "PSD"
-	// Link
-	MT_Link ModelType = "Link"
-	// 区段
-	MT_Section ModelType = "Section"
-	// 道岔
-	MT_Turnout ModelType = "Turnout"
-	// 信号机
-	MT_Signal ModelType = "Signal"
-	// 应答器
-	MT_Balise ModelType = "Balise"
-)
-
-type Uid interface {
-	Id() string
-	// 设备原始编号
-	Code() string
-}
-
-// 模型接口
-type Model interface {
-	// Unique id,唯一id
-	Uid() Uid
-	// 模型类型
-	Type() ModelType
-}
-
-// Link
-type Link interface {
-	Model
-}
-
-// 物理区段(实际检测区段,一般区段两端点,道岔区段为3-4个端点)
-type PhysicalSection interface {
-	Model
-	Code() string
-}
-
-// 道岔
-type Turnout interface {
-	Model
-}
-
-// 关联的端口关系
-type AssociatedPort interface {
-	Port() string
-}
diff --git a/repo/repo.go b/repo/repo.go
deleted file mode 100644
index 62a91d1..0000000
--- a/repo/repo.go
+++ /dev/null
@@ -1,44 +0,0 @@
-package repo
-
-import (
-	"joylink.club/rtsssimulation/repo/dto"
-	"joylink.club/rtsssimulation/repo/model"
-	"joylink.club/rtsssimulation/repo/model/impl"
-)
-
-type repo struct {
-	id                 string
-	idMapping          *IdMapping                       // id映射
-	modelMap           map[string]model.Model           // 模型map,key为uid
-	linkMap            map[string]*impl.Link            // 链路map,key为uid
-	physicalSectionMap map[string]*impl.PhysicalSection // 物理区段map,key为uid
-	turnoutMap         map[string]*impl.Turnout         // 道岔map,key为uid
-}
-
-func BuildFrom(msgs *dto.CgRepo) (CgRepo, *ErrorRecord) {
-	errRecord := NewErrorRecord()
-	idMapping := BuildIdMapping(msgs, errRecord)
-	if errRecord.HasError() {
-		return nil, errRecord
-	}
-	repo := &repo{
-		id:                 msgs.Id,
-		idMapping:          idMapping,
-		modelMap:           make(map[string]model.Model, 1024),
-		linkMap:            make(map[string]*impl.Link, 256),
-		physicalSectionMap: make(map[string]*impl.PhysicalSection, 256),
-		turnoutMap:         make(map[string]*impl.Turnout, 128),
-	}
-
-	return repo, errRecord
-}
-
-// 模型仓库id
-func (r *repo) Id() string {
-	return r.id
-}
-
-// 通过uid查询模型对象
-func (r *repo) FindByUid(uid string) model.Model {
-	return nil
-}