diff --git a/sys/circuit_sys/ckm.go b/sys/circuit_sys/ckm.go
index 97582e1..a090675 100644
--- a/sys/circuit_sys/ckm.go
+++ b/sys/circuit_sys/ckm.go
@@ -22,6 +22,9 @@ func NewCkmSys() *CkmSys {
 func (p *CkmSys) Update(world ecs.World) {
 	worldData := entity.GetWorldData(world)
 	p.query.Each(world, func(entry *ecs.Entry) {
+		if !entry.HasComponent(component.CkmCircuitType) {
+			return
+		}
 		posCom := component.FixedPositionTransformType.Get(entry)
 		circuit := component.CkmCircuitType.Get(entry) //目前不考虑没有车库门电路的情况
 		//车库门PSL