diff --git a/example/build_repo_example/main.go b/example/build_repo_example/main.go
index 8cabc95..30d7500 100644
--- a/example/build_repo_example/main.go
+++ b/example/build_repo_example/main.go
@@ -2,32 +2,33 @@ package main
 
 import (
 	"joylink.club/rtss-core/example/data_proto"
+	modelimpl "joylink.club/rtss-core/example/model_impl"
+	"joylink.club/rtss-core/example/repository"
 	"joylink.club/rtss-core/model"
 )
 
-var (
-	_stationMap = make(map[uint32]*data_proto.Station)
-	_sectionMap = make(map[uint32]*data_proto.Section)
-	_turnoutMap = make(map[uint32]*data_proto.Turnout)
-)
-
 func main() {
+	repo := repository.NewRepository("test1").(*repository.Repository)
 	rtssGraphicStorage := data_proto.GetLineSytle1()
 	// log.Println(rtssGraphicStorage.Stations)
 	// log.Println(rtssGraphicStorage.Section)
 	// log.Println(rtssGraphicStorage.Turnouts)
 	for _, station := range rtssGraphicStorage.Stations {
-		_stationMap[station.Common.Id] = station
+		repo.StationDataMap[station.Common.Id] = station
 	}
 	for _, section := range rtssGraphicStorage.Section {
-		if section.CentralizedStations == nil || len(section.CentralizedStations) == 0 || _stationMap[section.CentralizedStations[0]] == nil {
+		belongStation := repo.SectionDataMap[section.CentralizedStations[0]]
+		if section.CentralizedStations == nil || len(section.CentralizedStations) == 0 || repo.SectionDataMap[section.CentralizedStations[0]] == nil {
 			continue
 		}
-		_sectionMap[section.Common.Id] = section
-		model.NewSection(getSectionUid(section))
+		repo.SectionDataMap[section.Common.Id] = section
+		uid := getSectionUid(section, belongStation)
+		repo.IpMapping = append(repo.IpMapping, repository.NewIdMapping(section.Common.Id, uid))
+		sectionModel := model.NewSection(uid)
+		repo.SectionMap[uid] = &modelimpl.Section{SectionImpl: sectionModel}
 	}
 }
 
-func getSectionUid(section *data_proto.Section) string {
-	return _stationMap[section.CentralizedStations[0]].Code + "-" + section.Code
+func getSectionUid(section *data_proto.Section, belongStation *data_proto.Section) string {
+	return belongStation.Code + "-" + section.Code
 }
diff --git a/example/model_impl/section.go b/example/model_impl/section.go
index 1283b3b..4ee0c0c 100644
--- a/example/model_impl/section.go
+++ b/example/model_impl/section.go
@@ -3,5 +3,5 @@ package modelimpl
 import "joylink.club/rtss-core/model"
 
 type Section struct {
-	model.SectionImpl
+	*model.SectionImpl
 }
diff --git a/example/repository/repo.go b/example/repository/repo.go
index 52c2dee..27d7a8b 100644
--- a/example/repository/repo.go
+++ b/example/repository/repo.go
@@ -1,24 +1,46 @@
 package repository
 
 import (
+	"joylink.club/rtss-core/example/data_proto"
 	modelimpl "joylink.club/rtss-core/example/model_impl"
 	"joylink.club/rtss-core/model"
 	"joylink.club/rtss-core/repo"
 )
 
+// Id映射
+type IdMapping struct {
+	GraphicId uint32
+	Uid       string
+}
+
+func NewIdMapping(graphicId uint32, uid string) *IdMapping {
+	return &IdMapping{
+		GraphicId: graphicId,
+		Uid:       uid,
+	}
+}
+
 type Repository struct {
-	id         string
-	stationMap map[string]*modelimpl.Station
-	sectionMap map[string]*modelimpl.Section
-	turnoutMap map[string]*modelimpl.Turnout
+	id             string
+	StationDataMap map[uint32]*data_proto.Station
+	SectionDataMap map[uint32]*data_proto.Section
+	TurnoutDataMap map[uint32]*data_proto.Turnout
+	IpMapping      []*IdMapping
+	StationMap     map[string]*modelimpl.Station
+	SectionMap     map[string]*modelimpl.Section
+	TurnoutMap     map[string]*modelimpl.Turnout
 }
 
 func NewRepository(id string) repo.Repo {
 	return &Repository{
-		id:         id,
-		stationMap: make(map[string]*modelimpl.Station),
-		sectionMap: make(map[string]*modelimpl.Section),
-		turnoutMap: make(map[string]*modelimpl.Turnout),
+		id:             id,
+		StationDataMap: make(map[uint32]*data_proto.Station),
+		SectionDataMap: make(map[uint32]*data_proto.Section),
+		TurnoutDataMap: make(map[uint32]*data_proto.Turnout),
+		IpMapping:      make([]*IdMapping, 0),
+		StationMap:     make(map[string]*modelimpl.Station),
+		SectionMap:     make(map[string]*modelimpl.Section),
+		TurnoutMap:     make(map[string]*modelimpl.Turnout),
 	}
 }
 
@@ -27,13 +49,13 @@ func (r *Repository) Id() string {
 }
 
 func (r *Repository) GetStationByUid(uid string) model.Station {
-	return r.stationMap[uid]
+	return r.StationMap[uid]
 }
 
 func (r *Repository) GetSectionByUid(uid string) model.Section {
-	return r.sectionMap[uid]
+	return r.SectionMap[uid]
 }
 
 func (r *Repository) GetTurnoutByUid(uid string) model.Turnout {
-	return r.turnoutMap[uid]
+	return r.TurnoutMap[uid]
 }
diff --git a/model/link.go b/model/link.go
index 84867c5..b87f036 100644
--- a/model/link.go
+++ b/model/link.go
@@ -16,6 +16,9 @@ type LinkNode interface {
 	PipeElement
 }
 
+var _ Link = (*LinkImpl)(nil)
+var _ LinkNode = (*LinkNodeImpl)(nil)
+
 type LinkImpl struct {
 	uid        string
 	paLinkNode *PipeLink
diff --git a/model/section.go b/model/section.go
index 506ec2e..563bfc9 100644
--- a/model/section.go
+++ b/model/section.go
@@ -12,7 +12,9 @@ type SectionImpl struct {
 	pbPipeLink *PipeLink
 }
 
-func NewSection(uid string) Section {
+var _ Section = (*SectionImpl)(nil)
+
+func NewSection(uid string) *SectionImpl {
 	return &SectionImpl{
 		uid: uid,
 	}
diff --git a/model/station.go b/model/station.go
index a7dbe69..e00e576 100644
--- a/model/station.go
+++ b/model/station.go
@@ -5,6 +5,8 @@ type Station interface {
 	IsCentralized() bool
 }
 
+var _ Station = (*StationImpl)(nil)
+
 type StationImpl struct {
 	uid         string
 	centralized bool
diff --git a/model/turnout.go b/model/turnout.go
index c1c239b..5b14ea8 100644
--- a/model/turnout.go
+++ b/model/turnout.go
@@ -8,6 +8,8 @@ type Turnout interface {
 	PipeElement
 }
 
+var _ Turnout = (*TurnoutImpl)(nil)
+
 type TurnoutImpl struct {
 	uid        string
 	paPipeLink *PipeLink
@@ -15,7 +17,7 @@ type TurnoutImpl struct {
 	pcPipeLink *PipeLink
 }
 
-func NewTurnout(uid string) Turnout {
+func NewTurnout(uid string) *TurnoutImpl {
 	if strings.Trim(uid, " ") == "" {
 		panic("Turnout uid is empty")
 	}