fix:容错

assets/script/game/checkpoint/bll/InitCheckpoint.ts

@@ -393,7 +393,7 @@ export class InitCheckpointSystem extends ecs.ComblockSystem implements ecs.IEnt
         const availablePositions = Array.from({ length: count }, (_, i) => i)
         checkpoint_model.vehicles = Array(count).fill(null)
         const start_point = v3(-5, 0, 0)
-        pcolor.forEach((v,i)=>{
+        pcolor?.forEach((v,i)=>{
             const color = colors[pcolor[i] - 1]
             if (copyColorCount[color] > 0) {
                 const vehicle = ecs.getEntity<Vehicle>(Vehicle);