标记组件不符合规范的废弃属性

packages/core/src/ECS/Systems/index.ts

@@ -2,4 +2,4 @@
 export { EntitySystem } from './EntitySystem';
 export { ProcessingSystem } from './ProcessingSystem';
 export { PassiveSystem } from './PassiveSystem';
-export { IntervalSystem } from './IntervalSystem'; 
+export { IntervalSystem } from './IntervalSystem';