diff --git a/ats/verify/simulation/wayside/memory/wayside_simulation.go b/ats/verify/simulation/wayside/memory/wayside_simulation.go
index 8c07862..5759fc0 100644
--- a/ats/verify/simulation/wayside/memory/wayside_simulation.go
+++ b/ats/verify/simulation/wayside/memory/wayside_simulation.go
@@ -239,20 +239,24 @@ func buildAndRelateElectronicComponent(repo *proto.Repository, relayGi *graphicD
 			if signal == nil {
 				continue
 			}
-			for _, group := range relationship.Combinationtypes {
-				var componentIds []string
-				for _, relayId := range group.RefRelays {
-					if uidsMap.RelayIds[relayId] == nil {
-						continue
-					}
-					componentIds = append(componentIds, uidsMap.RelayIds[relayId].Uid)
-				}
-				signal.ElectronicComponentGroups = append(signal.ElectronicComponentGroups,
-					&proto.ElectronicComponentGroup{
-						Code:         group.Code,
-						ComponentIds: componentIds,
-					})
+			//信号机只有一个组合类型
+			if len(relationship.Combinationtypes) != 1 {
+				panic(fmt.Sprintf("信号机[%s]须有一个组合类型", signal.Id))
 			}
+			group := relationship.Combinationtypes[0]
+			var componentIds []string
+			for _, relayId := range group.RefRelays {
+				if uidsMap.RelayIds[relayId] == nil {
+					continue
+				}
+				componentIds = append(componentIds, uidsMap.RelayIds[relayId].Uid)
+			}
+			signal.Code = group.Code
+			signal.ElectronicComponentGroups = append(signal.ElectronicComponentGroups,
+				&proto.ElectronicComponentGroup{
+					Code:         group.Code,
+					ComponentIds: componentIds,
+				})
 		}
 	}
 }
@@ -351,6 +355,7 @@ func fillProtoRepository(repo *proto.Repository, storage *graphicData.RtssGraphi
 			Km:          convertKm(data.KilometerSystem),
 			SectionId:   sectionId,
 			TurnoutPort: turnoutPort,
+			//Code:        data.,
 		}
 		repo.Signals = append(repo.Signals, converSignalUid(signal, uidsMap))
 	}