diff --git a/sys/circuit_sys/psd.go b/sys/circuit_sys/psd.go
index 451b99e..55c92da 100644
--- a/sys/circuit_sys/psd.go
+++ b/sys/circuit_sys/psd.go
@@ -56,32 +56,34 @@ func (p *PsdSys) Update(world ecs.World) {
 			psdState.Close = p.isAllAsdMotorClosed(asdList)
 		}
 		//更新站台门控箱电路及PSC相关状态
-		pmc := component.PlatformMkxCircuitType.Get(entry)
-		var pcbTd bool
-		var pobTd bool
-		var pabTd bool
-		for _, mkxEntry := range pmc.MkxList {
-			mkx := component.MkxType.Get(mkxEntry)
-			if mkx.PCB != nil && component.BitStateType.Get(mkx.PCB).Val {
-				pcbTd = true
+		if entry.HasComponent(component.PlatformMkxCircuitType) {
+			pmc := component.PlatformMkxCircuitType.Get(entry)
+			var pcbTd bool
+			var pobTd bool
+			var pabTd bool
+			for _, mkxEntry := range pmc.MkxList {
+				mkx := component.MkxType.Get(mkxEntry)
+				if mkx.PCB != nil && component.BitStateType.Get(mkx.PCB).Val {
+					pcbTd = true
+				}
+				if mkx.POB != nil && component.BitStateType.Get(mkx.POB).Val {
+					pobTd = true
+				}
+				if mkx.PAB != nil && component.BitStateType.Get(mkx.PAB).Val {
+					pabTd = true
+				}
 			}
-			if mkx.POB != nil && component.BitStateType.Get(mkx.POB).Val {
-				pobTd = true
+			if pmc.PCBJ != nil {
+				component.RelayDriveType.Get(pmc.PCBJ).Td = pcbTd
+				psc.MkxGM = component.BitStateType.Get(pmc.PCBJ).Val
 			}
-			if mkx.PAB != nil && component.BitStateType.Get(mkx.PAB).Val {
-				pabTd = true
+			if pmc.POBJ != nil {
+				component.RelayDriveType.Get(pmc.POBJ).Td = pobTd
+				psc.MkxKM = component.BitStateType.Get(pmc.POBJ).Val
+			}
+			if pmc.PABJ != nil {
+				component.RelayDriveType.Get(pmc.PABJ).Td = pabTd
 			}
-		}
-		if pmc.PCBJ != nil {
-			component.RelayDriveType.Get(pmc.PCBJ).Td = pcbTd
-			psc.MkxGM = component.BitStateType.Get(pmc.PCBJ).Val
-		}
-		if pmc.POBJ != nil {
-			component.RelayDriveType.Get(pmc.POBJ).Td = pobTd
-			psc.MkxKM = component.BitStateType.Get(pmc.POBJ).Val
-		}
-		if pmc.PABJ != nil {
-			component.RelayDriveType.Get(pmc.PABJ).Td = pabTd
 		}
 		//设置滑动门电机通断电状态
 		repo := entity.GetWorldData(world).Repo