优化性能结构/延迟加载

新增测试代码用于测试性能

extensions/cocos/cocos-ecs/assets/scripts/ecs/systems/index.ts

@@ -1,4 +1,7 @@
 // 导出所有系统
 export { MovementSystem } from './MovementSystem';
 export { HealthSystem } from './HealthSystem';
-export { RandomMovementSystem } from './RandomMovementSystem'; 
+export { RandomMovementSystem } from './RandomMovementSystem';
+export { AISystem } from './AISystem';
+export { NetworkSystem } from './NetworkSystem';
+export { NodeRenderSystem } from './NodeRenderSystem';