diff --git a/entity/psd.go b/entity/psd.go
index 649341d..09c776c 100644
--- a/entity/psd.go
+++ b/entity/psd.go
@@ -51,6 +51,8 @@ func loadPsdCircuit(world ecs.World, entry *ecs.Entry, psd *repository.Psd, entr
 			switch ec.Code() {
 			case "XGMJ", "SGMJ":
 				circuit.GMJ = NewRelayEntity(world, relay, entryMap)
+			case "XKMJ", "SKMJ":
+				circuit.KMJMap[0] = NewRelayEntity(world, relay, entryMap)
 			case "4XKMJ", "4SKMJ":
 				circuit.KMJMap[4] = NewRelayEntity(world, relay, entryMap)
 			case "8XKMJ", "8SKMJ":
diff --git a/fi/psd.go b/fi/psd.go
index 9fde927..3ad992f 100644
--- a/fi/psd.go
+++ b/fi/psd.go
@@ -243,12 +243,16 @@ func setQDTC(wd *component.WorldData, psdEntry *ecs.Entry) error {
 func setInterlockKm(wd *component.WorldData, psdEntry *ecs.Entry, group int32) error {
 	if psdEntry.HasComponent(component.PsdCircuitType) { //有联锁区段电路
 		circuit := component.PsdCircuitType.Get(psdEntry)
-		kmj := circuit.KMJMap[group]
-		if kmj == nil {
-			id := component.UidType.Get(psdEntry).Id
-			return errors.New(fmt.Sprintf("屏蔽门[id:%s]不支持[%d]编组操作", id, group))
+		if circuit.KMJMap[0] != nil { //0编组意味着屏蔽门仅有一个开门继电器
+			return setRelayDriveKm(wd, circuit, 0)
+		} else {
+			kmj := circuit.KMJMap[group]
+			if kmj == nil {
+				id := component.UidType.Get(psdEntry).Id
+				return errors.New(fmt.Sprintf("屏蔽门[id:%s]不支持[%d]编组操作", id, group))
+			}
+			return setRelayDriveKm(wd, circuit, group)
 		}
-		return setRelayDriveKm(wd, circuit, group)
 	} else {
 		psc := component.PscType.Get(psdEntry)
 		psc.InterlockKmGroup[group] = true
@@ -260,12 +264,16 @@ func setInterlockKm(wd *component.WorldData, psdEntry *ecs.Entry, group int32) e
 func cancelInterlockKm(wd *component.WorldData, psdEntry *ecs.Entry, group int32) error {
 	if psdEntry.HasComponent(component.PsdCircuitType) { //有联锁区段电路
 		circuit := component.PsdCircuitType.Get(psdEntry)
-		kmj := circuit.KMJMap[group]
-		if kmj == nil {
-			id := component.UidType.Get(psdEntry).Id
-			return errors.New(fmt.Sprintf("屏蔽门[id:%s]不支持[%d]编组操作", id, group))
+		if circuit.KMJMap[0] != nil { //0编组意味着屏蔽门仅有一个开门继电器
+			return cancelRelayDriveKm(wd, circuit, 0)
+		} else {
+			kmj := circuit.KMJMap[group]
+			if kmj == nil {
+				id := component.UidType.Get(psdEntry).Id
+				return errors.New(fmt.Sprintf("屏蔽门[id:%s]不支持[%d]编组操作", id, group))
+			}
+			return cancelRelayDriveKm(wd, circuit, group)
 		}
-		return cancelRelayDriveKm(wd, circuit, group)
 	} else {
 		psc := component.PscType.Get(psdEntry)
 		psc.InterlockKmGroup[group] = false