diff --git a/repository/repository_manager.go b/repository/repository_manager.go
index 731fc68..edec024 100644
--- a/repository/repository_manager.go
+++ b/repository/repository_manager.go
@@ -78,7 +78,7 @@ func buildModels(source *proto.Repository, repository *Repository) error {
 		repository.signalMap[m.Id()] = m
 	}
 	for _, protoData := range source.Transponders {
-		m := NewTransponder(protoData.Id, protoData.Km)
+		m := NewTransponder(protoData.Id, protoData.Km, protoData.FixedTelegram)
 		repository.responderMap[m.Id()] = m
 	}
 	for _, protoData := range source.Slopes {
diff --git a/repository/transponder.go b/repository/transponder.go
index b292d30..ec6a3eb 100644
--- a/repository/transponder.go
+++ b/repository/transponder.go
@@ -8,13 +8,15 @@ type Transponder struct {
 	km *proto.Kilometer
 	//section     *PhysicalSection
 	//turnoutPort TurnoutPort
-	linkPosition *LinkPosition
+	linkPosition  *LinkPosition
+	fixedTelegram string //无源应答器固定报文
 }
 
-func NewTransponder(id string, km *proto.Kilometer) *Transponder {
+func NewTransponder(id string, km *proto.Kilometer, fixedTelegram string) *Transponder {
 	return &Transponder{
-		Identity: identity{id, proto.DeviceType_DeviceType_Transponder},
-		km:       km,
+		Identity:      identity{id, proto.DeviceType_DeviceType_Transponder},
+		km:            km,
+		fixedTelegram: fixedTelegram,
 	}
 }