diff --git a/packages/core/src/Core/DI/Decorators.ts b/packages/core/src/Core/DI/Decorators.ts
index 29996e30..04d192ed 100644
--- a/packages/core/src/Core/DI/Decorators.ts
+++ b/packages/core/src/Core/DI/Decorators.ts
@@ -18,7 +18,7 @@ const updatableMetadata = new WeakMap<Constructor, UpdatableMetadata>();
 /**
  * 可注入元数据接口
  */
-export interface InjectableMetadata {
+export type InjectableMetadata = {
     /**
      * 是否可注入
      */
@@ -39,7 +39,7 @@ export interface InjectableMetadata {
 /**
  * 可更新元数据接口
  */
-export interface UpdatableMetadata {
+export type UpdatableMetadata = {
     /**
      * 是否可更新
      */
diff --git a/packages/core/src/Core/Plugin.ts b/packages/core/src/Core/Plugin.ts
index e00c1d55..040441b1 100644
--- a/packages/core/src/Core/Plugin.ts
+++ b/packages/core/src/Core/Plugin.ts
@@ -51,7 +51,7 @@ export enum PluginState {
  * }
  * ```
  */
-export interface IPlugin {
+export type IPlugin = {
     /**
      * 插件唯一名称
      *
@@ -96,7 +96,7 @@ export interface IPlugin {
 /**
  * 插件元数据
  */
-export interface IPluginMetadata {
+export type IPluginMetadata = {
     /**
      * 插件名称
      */
diff --git a/packages/core/src/Core/PluginServiceRegistry.ts b/packages/core/src/Core/PluginServiceRegistry.ts
index dd903f41..c7a31839 100644
--- a/packages/core/src/Core/PluginServiceRegistry.ts
+++ b/packages/core/src/Core/PluginServiceRegistry.ts
@@ -28,7 +28,7 @@
  * Note: __phantom is a required property to ensure TypeScript preserves generic
  * type information across packages.
  */
-export interface ServiceToken<T> {
+export type ServiceToken<T> = {
     readonly id: symbol;
     readonly name: string;
     /**
diff --git a/packages/core/src/Core/RuntimeModeService.ts b/packages/core/src/Core/RuntimeModeService.ts
index ce00f50e..c36efffb 100644
--- a/packages/core/src/Core/RuntimeModeService.ts
+++ b/packages/core/src/Core/RuntimeModeService.ts
@@ -39,7 +39,7 @@ import { createServiceToken } from './PluginServiceRegistry';
  * 运行时模式接口
  * Runtime mode interface
  */
-export interface IRuntimeMode {
+export type IRuntimeMode = {
     /**
      * 是否为编辑器模式
      * Whether in editor mode
@@ -110,7 +110,7 @@ type ModeChangeCallback = (mode: IRuntimeMode) => void;
  * 运行时模式服务配置
  * Runtime mode service configuration
  */
-export interface RuntimeModeConfig {
+export type RuntimeModeConfig = {
     /** 是否为编辑器模式 | Whether in editor mode */
     isEditor?: boolean;
     /** 是否正在播放 | Whether playing */
diff --git a/packages/core/src/Core/ServiceContainer.ts b/packages/core/src/Core/ServiceContainer.ts
index 015b9e7b..ab7c4433 100644
--- a/packages/core/src/Core/ServiceContainer.ts
+++ b/packages/core/src/Core/ServiceContainer.ts
@@ -7,7 +7,7 @@ const logger = createLogger('ServiceContainer');
  * 服务基础接口
  * 所有通过 ServiceContainer 管理的服务都应该实现此接口
  */
-export interface IService {
+export type IService = {
     /**
      * 释放服务占用的资源
      * 当服务被注销或容器被清空时调用
diff --git a/packages/core/src/ECS/Core/ArchetypeSystem.ts b/packages/core/src/ECS/Core/ArchetypeSystem.ts
index f951385a..0627c336 100644
--- a/packages/core/src/ECS/Core/ArchetypeSystem.ts
+++ b/packages/core/src/ECS/Core/ArchetypeSystem.ts
@@ -11,7 +11,7 @@ export type ArchetypeId = BitMask64Data;
 /**
  * 原型数据结构
  */
-export interface Archetype {
+export type Archetype = {
     /** 原型唯一标识符 */
     id: ArchetypeId;
     /** 包含的组件类型 */
@@ -23,7 +23,7 @@ export interface Archetype {
 /**
  * 原型查询结果
  */
-export interface ArchetypeQueryResult {
+export type ArchetypeQueryResult = {
     /** 匹配的原型列表 */
     archetypes: Archetype[];
     /** 所有匹配实体的总数 */
diff --git a/packages/core/src/ECS/Core/CommandBuffer.ts b/packages/core/src/ECS/Core/CommandBuffer.ts
index a100a6c3..7fbe63f6 100644
--- a/packages/core/src/ECS/Core/CommandBuffer.ts
+++ b/packages/core/src/ECS/Core/CommandBuffer.ts
@@ -25,7 +25,7 @@ export enum CommandType {
  * 延迟命令接口
  * Deferred command interface
  */
-export interface DeferredCommand {
+export type DeferredCommand = {
     /** 命令类型 | Command type */
     type: CommandType;
     /** 目标实体 | Target entity */
diff --git a/packages/core/src/ECS/Core/ComponentStorage.ts b/packages/core/src/ECS/Core/ComponentStorage.ts
index 45d9f5ab..b5d2d012 100644
--- a/packages/core/src/ECS/Core/ComponentStorage.ts
+++ b/packages/core/src/ECS/Core/ComponentStorage.ts
@@ -1,6 +1,7 @@
 import { Component } from '../Component';
 import { BitMask64Utils, BitMask64Data } from '../Utils/BigIntCompatibility';
-import { SoAStorage, SupportedTypedArray } from './SoAStorage';
+import { SoAStorage } from './SoAStorage';
+import type { SupportedTypedArray } from './SoAStorage';
 import { createLogger } from '../../Utils/Logger';
 import { getComponentTypeName, ComponentType } from '../Decorators';
 import { ComponentRegistry, GlobalComponentRegistry } from './ComponentStorage/ComponentRegistry';
diff --git a/packages/core/src/ECS/Core/ComponentStorage/ComponentTypeUtils.ts b/packages/core/src/ECS/Core/ComponentStorage/ComponentTypeUtils.ts
index c9095902..5f04c565 100644
--- a/packages/core/src/ECS/Core/ComponentStorage/ComponentTypeUtils.ts
+++ b/packages/core/src/ECS/Core/ComponentStorage/ComponentTypeUtils.ts
@@ -43,7 +43,7 @@ export const COMPONENT_EDITOR_OPTIONS = Symbol('ComponentEditorOptions');
  * 组件编辑器选项
  * Component editor options
  */
-export interface ComponentEditorOptions {
+export type ComponentEditorOptions = {
     /**
      * 是否在 Inspector 中隐藏此组件
      * Whether to hide this component in Inspector
@@ -72,7 +72,7 @@ export interface ComponentEditorOptions {
  * 使用 Symbol 索引签名来类型安全地访问装饰器存储的元数据
  * Uses Symbol index signature to safely access decorator-stored metadata
  */
-export interface ComponentTypeMetadata {
+export type ComponentTypeMetadata = {
     readonly [COMPONENT_TYPE_NAME]?: string;
     readonly [COMPONENT_DEPENDENCIES]?: string[];
     readonly [COMPONENT_EDITOR_OPTIONS]?: ComponentEditorOptions;
@@ -82,7 +82,7 @@ export interface ComponentTypeMetadata {
  * 可写的组件类型元数据（用于装饰器设置）
  * Writable component type metadata (for decorator setting)
  */
-export interface WritableComponentTypeMetadata {
+export type WritableComponentTypeMetadata = {
     [COMPONENT_TYPE_NAME]?: string;
     [COMPONENT_DEPENDENCIES]?: string[];
     [COMPONENT_EDITOR_OPTIONS]?: ComponentEditorOptions;
diff --git a/packages/core/src/ECS/Core/ComponentStorage/IComponentRegistry.ts b/packages/core/src/ECS/Core/ComponentStorage/IComponentRegistry.ts
index 87e90761..167d8ff2 100644
--- a/packages/core/src/ECS/Core/ComponentStorage/IComponentRegistry.ts
+++ b/packages/core/src/ECS/Core/ComponentStorage/IComponentRegistry.ts
@@ -16,7 +16,7 @@ import type { ComponentType } from './ComponentTypeUtils';
  * Component Registry Interface.
  * 组件注册表接口。
  */
-export interface IComponentRegistry {
+export type IComponentRegistry = {
     /**
      * Register component type and allocate bitmask.
      * 注册组件类型并分配位掩码。
diff --git a/packages/core/src/ECS/Core/EventSystem.ts b/packages/core/src/ECS/Core/EventSystem.ts
index 8a7809bd..096bfa2b 100644
--- a/packages/core/src/ECS/Core/EventSystem.ts
+++ b/packages/core/src/ECS/Core/EventSystem.ts
@@ -13,7 +13,7 @@ export type AsyncEventHandler<T> = (event: T) => Promise<void>;
 /**
  * 事件监听器配置
  */
-export interface EventListenerConfig {
+export type EventListenerConfig = {
     /** 是否只执行一次 */
     once?: boolean;
     /** 优先级（数字越大优先级越高） */
@@ -41,7 +41,7 @@ interface InternalEventListener {
 /**
  * 事件统计信息
  */
-export interface EventStats {
+export type EventStats = {
     /** 事件类型 */
     eventType: string;
     /** 监听器数量 */
@@ -59,7 +59,7 @@ export interface EventStats {
 /**
  * 事件批处理配置
  */
-export interface EventBatchConfig {
+export type EventBatchConfig = {
     /** 批处理大小 */
     batchSize: number;
     /** 批处理延迟（毫秒） */
diff --git a/packages/core/src/ECS/Core/Events/index.ts b/packages/core/src/ECS/Core/Events/index.ts
index a8de6f02..e59ae784 100644
--- a/packages/core/src/ECS/Core/Events/index.ts
+++ b/packages/core/src/ECS/Core/Events/index.ts
@@ -1,2 +1,3 @@
 export { EventBus, GlobalEventBus } from '../EventBus';
-export { TypeSafeEventSystem, EventListenerConfig, EventStats } from '../EventSystem';
+export { TypeSafeEventSystem } from '../EventSystem';
+export type { EventListenerConfig, EventStats } from '../EventSystem';
diff --git a/packages/core/src/ECS/Core/QuerySystem.ts b/packages/core/src/ECS/Core/QuerySystem.ts
index b8ba3050..14f35d62 100644
--- a/packages/core/src/ECS/Core/QuerySystem.ts
+++ b/packages/core/src/ECS/Core/QuerySystem.ts
@@ -6,10 +6,12 @@ import { createLogger } from '../../Utils/Logger';
 import { getComponentTypeName } from '../Decorators';
 import { Archetype, ArchetypeSystem } from './ArchetypeSystem';
 import { ReactiveQuery, ReactiveQueryConfig } from './ReactiveQuery';
-import { QueryCondition, QueryConditionType, QueryResult } from './QueryTypes';
+import type { QueryCondition, QueryResult } from './QueryTypes';
+import { QueryConditionType } from './QueryTypes';
 import { CompiledQuery } from './Query/CompiledQuery';
 
-export { QueryCondition, QueryConditionType, QueryResult };
+export { QueryConditionType };
+export type { QueryCondition, QueryResult };
 export { CompiledQuery };
 
 /**
diff --git a/packages/core/src/ECS/Core/QueryTypes.ts b/packages/core/src/ECS/Core/QueryTypes.ts
index 64a5acd5..f5a6aeac 100644
--- a/packages/core/src/ECS/Core/QueryTypes.ts
+++ b/packages/core/src/ECS/Core/QueryTypes.ts
@@ -17,7 +17,7 @@ export enum QueryConditionType {
 /**
  * 查询条件接口
  */
-export interface QueryCondition {
+export type QueryCondition = {
     type: QueryConditionType;
     componentTypes: ComponentType[];
     mask: BitMask64Data;
@@ -26,7 +26,7 @@ export interface QueryCondition {
 /**
  * 实体查询结果接口
  */
-export interface QueryResult {
+export type QueryResult = {
     entities: readonly Entity[];
     count: number;
     /** 查询执行时间（毫秒） */
diff --git a/packages/core/src/ECS/Core/ReactiveQuery.ts b/packages/core/src/ECS/Core/ReactiveQuery.ts
index e680a9b5..1492ce3f 100644
--- a/packages/core/src/ECS/Core/ReactiveQuery.ts
+++ b/packages/core/src/ECS/Core/ReactiveQuery.ts
@@ -1,5 +1,6 @@
 import { Entity } from '../Entity';
-import { QueryCondition, QueryConditionType } from './QueryTypes';
+import type { QueryCondition } from './QueryTypes';
+import { QueryConditionType } from './QueryTypes';
 import { BitMask64Utils } from '../Utils/BigIntCompatibility';
 import { createLogger } from '../../Utils/Logger';
 
@@ -20,7 +21,7 @@ export enum ReactiveQueryChangeType {
 /**
  * 响应式查询变化事件
  */
-export interface ReactiveQueryChange {
+export type ReactiveQueryChange = {
     /** 变化类型 */
     type: ReactiveQueryChangeType;
     /** 变化的实体 */
@@ -41,7 +42,7 @@ export type ReactiveQueryListener = (change: ReactiveQueryChange) => void;
 /**
  * 响应式查询配置
  */
-export interface ReactiveQueryConfig {
+export type ReactiveQueryConfig = {
     /** 是否启用批量模式(减少通知频率) */
     enableBatchMode?: boolean;
     /** 批量模式的延迟时间(毫秒) */
diff --git a/packages/core/src/ECS/Core/ReferenceTracker.ts b/packages/core/src/ECS/Core/ReferenceTracker.ts
index e884e2d9..67cb93dc 100644
--- a/packages/core/src/ECS/Core/ReferenceTracker.ts
+++ b/packages/core/src/ECS/Core/ReferenceTracker.ts
@@ -54,7 +54,7 @@ const WeakRefImpl: IWeakRefConstructor = (
 /**
  * Entity引用记录
  */
-export interface EntityRefRecord {
+export type EntityRefRecord = {
     component: IWeakRef<Component>;
     propertyKey: string;
 }
diff --git a/packages/core/src/ECS/Core/SoAStorage.ts b/packages/core/src/ECS/Core/SoAStorage.ts
index 53bc2916..8a880609 100644
--- a/packages/core/src/ECS/Core/SoAStorage.ts
+++ b/packages/core/src/ECS/Core/SoAStorage.ts
@@ -8,7 +8,7 @@ import {
 import { SoASerializer } from './SoASerializer';
 
 // 重新导出类型，保持向后兼容
-export { SupportedTypedArray, TypedArrayTypeName } from './SoATypeRegistry';
+export type { SupportedTypedArray, TypedArrayTypeName } from './SoATypeRegistry';
 export { SoATypeRegistry } from './SoATypeRegistry';
 export { SoASerializer } from './SoASerializer';
 
diff --git a/packages/core/src/ECS/Core/SoATypeRegistry.ts b/packages/core/src/ECS/Core/SoATypeRegistry.ts
index 593bf8e9..71f05de4 100644
--- a/packages/core/src/ECS/Core/SoATypeRegistry.ts
+++ b/packages/core/src/ECS/Core/SoATypeRegistry.ts
@@ -40,7 +40,7 @@ export type TypedArrayTypeName =
 /**
  * 字段元数据
  */
-export interface FieldMetadata {
+export type FieldMetadata = {
     name: string;
     type: 'number' | 'boolean' | 'string' | 'object';
     arrayType?: TypedArrayTypeName;
diff --git a/packages/core/src/ECS/Core/Storage/index.ts b/packages/core/src/ECS/Core/Storage/index.ts
index b1757fa7..6b0879f6 100644
--- a/packages/core/src/ECS/Core/Storage/index.ts
+++ b/packages/core/src/ECS/Core/Storage/index.ts
@@ -1,4 +1,5 @@
-export { ComponentPool, ComponentPoolManager } from '../ComponentPool';
+export { ComponentPoolManager } from '../ComponentPool';
+export type { ComponentPool } from '../ComponentPool';
 export { ComponentStorage, ComponentRegistry, GlobalComponentRegistry } from '../ComponentStorage';
 export type { IComponentRegistry } from '../ComponentStorage';
 export { EnableSoA, Float64, Float32, Int32, SerializeMap, SoAStorage } from '../SoAStorage';
diff --git a/packages/core/src/ECS/Core/StorageDecorators.ts b/packages/core/src/ECS/Core/StorageDecorators.ts
index d2d270f7..d48a88ae 100644
--- a/packages/core/src/ECS/Core/StorageDecorators.ts
+++ b/packages/core/src/ECS/Core/StorageDecorators.ts
@@ -17,12 +17,8 @@
  * ```
  */
 
-// 从SoAStorage导入所有装饰器和类型
 export {
-    // 启用装饰器
     EnableSoA,
-
-    // 数值类型装饰器
     Float64,
     Float32,
     Int32,
@@ -32,13 +28,10 @@ export {
     Int8,
     Uint8,
     Uint8Clamped,
-
-    // 序列化装饰器
     SerializeMap,
     SerializeSet,
     SerializeArray,
-    DeepCopy,
-
-    // 类型定义
-    SupportedTypedArray
+    DeepCopy
 } from './SoAStorage';
+
+export type { SupportedTypedArray } from './SoAStorage';
diff --git a/packages/core/src/ECS/Core/SystemDependencyGraph.ts b/packages/core/src/ECS/Core/SystemDependencyGraph.ts
index 705dfb3d..f22c36bb 100644
--- a/packages/core/src/ECS/Core/SystemDependencyGraph.ts
+++ b/packages/core/src/ECS/Core/SystemDependencyGraph.ts
@@ -48,7 +48,7 @@ interface GraphNode {
  * 系统依赖信息
  * System dependency info
  */
-export interface SystemDependencyInfo {
+export type SystemDependencyInfo = {
     /** 系统名称 | System name */
     name: string;
     /** 在这些系统之前执行 | Execute before these systems */
diff --git a/packages/core/src/ECS/Core/SystemScheduler.ts b/packages/core/src/ECS/Core/SystemScheduler.ts
index a48db72b..bcec61af 100644
--- a/packages/core/src/ECS/Core/SystemScheduler.ts
+++ b/packages/core/src/ECS/Core/SystemScheduler.ts
@@ -53,7 +53,7 @@ export const DEFAULT_STAGE_ORDER: readonly SystemStage[] = [
  * 系统调度元数据
  * System scheduling metadata
  */
-export interface SystemSchedulingMetadata {
+export type SystemSchedulingMetadata = {
     /** 执行阶段 | Execution stage */
     stage: SystemStage;
     /** 在这些系统之前执行 | Execute before these systems */
diff --git a/packages/core/src/ECS/Decorators/EntityRefDecorator.ts b/packages/core/src/ECS/Decorators/EntityRefDecorator.ts
index b168de9b..5360c421 100644
--- a/packages/core/src/ECS/Decorators/EntityRefDecorator.ts
+++ b/packages/core/src/ECS/Decorators/EntityRefDecorator.ts
@@ -18,7 +18,7 @@ const ENTITY_REF_VALUES = Symbol('EntityRefValues');
 /**
  * EntityRef元数据
  */
-export interface EntityRefMetadata {
+export type EntityRefMetadata = {
     properties: Set<string>;
 }
 
diff --git a/packages/core/src/ECS/Decorators/PropertyDecorator.ts b/packages/core/src/ECS/Decorators/PropertyDecorator.ts
index 199dbe36..7039d6d0 100644
--- a/packages/core/src/ECS/Decorators/PropertyDecorator.ts
+++ b/packages/core/src/ECS/Decorators/PropertyDecorator.ts
@@ -1,4 +1,8 @@
-import 'reflect-metadata';
+/**
+ * 属性元数据存储
+ * Property metadata storage
+ */
+const metadataStorage = new WeakMap<Function, Record<string, unknown>>();
 
 export type PropertyType = 'number' | 'integer' | 'string' | 'boolean' | 'color' | 'vector2' | 'vector3' | 'vector4' | 'enum' | 'asset' | 'array' | 'animationClips' | 'collisionLayer' | 'collisionMask' | 'entityRef';
 
@@ -21,7 +25,7 @@ export type EnumOption = string | { label: string; value: any };
  * Action button configuration for property fields
  * 属性字段的操作按钮配置
  */
-export interface PropertyAction {
+export type PropertyAction = {
     /** Action identifier | 操作标识符 */
     id: string;
     /** Button label | 按钮标签 */
@@ -36,7 +40,7 @@ export interface PropertyAction {
  * 控制关系声明
  * Control relationship declaration
  */
-export interface PropertyControl {
+export type PropertyControl = {
     /** 被控制的组件名称 | Target component name */
     component: string;
     /** 被控制的属性名称 | Target property name */
@@ -253,25 +257,27 @@ export const PROPERTY_METADATA = Symbol.for('@esengine/property:metadata');
  */
 export function Property(options: PropertyOptions): PropertyDecorator {
     return (target: object, propertyKey: string | symbol) => {
-        const constructor = target.constructor;
-        const existingMetadata = Reflect.getMetadata(PROPERTY_METADATA, constructor) || {};
+        const constructor = target.constructor as Function;
+        const existingMetadata = metadataStorage.get(constructor) || {};
 
         existingMetadata[propertyKey as string] = options;
 
-        Reflect.defineMetadata(PROPERTY_METADATA, existingMetadata, constructor);
+        metadataStorage.set(constructor, existingMetadata);
     };
 }
 
 /**
  * 获取组件类的所有属性元数据
+ * Get all property metadata for a component class
  */
 export function getPropertyMetadata(target: Function): Record<string, PropertyOptions> | undefined {
-    return Reflect.getMetadata(PROPERTY_METADATA, target);
+    return metadataStorage.get(target) as Record<string, PropertyOptions> | undefined;
 }
 
 /**
  * 检查组件类是否有属性元数据
+ * Check if a component class has property metadata
  */
 export function hasPropertyMetadata(target: Function): boolean {
-    return Reflect.hasMetadata(PROPERTY_METADATA, target);
+    return metadataStorage.has(target);
 }
diff --git a/packages/core/src/ECS/Decorators/TypeDecorators.ts b/packages/core/src/ECS/Decorators/TypeDecorators.ts
index c42422d4..92678243 100644
--- a/packages/core/src/ECS/Decorators/TypeDecorators.ts
+++ b/packages/core/src/ECS/Decorators/TypeDecorators.ts
@@ -30,7 +30,7 @@ export const SYSTEM_TYPE_NAME = Symbol('SystemTypeName');
  * 系统类型元数据接口
  * System type metadata interface
  */
-export interface SystemTypeMetadata {
+export type SystemTypeMetadata = {
     readonly [SYSTEM_TYPE_NAME]?: string;
     readonly __systemMetadata__?: SystemMetadata;
 }
@@ -74,7 +74,7 @@ type SystemConstructor<T extends EntitySystem = EntitySystem> = new (...args: an
  * 组件装饰器配置选项
  * Component decorator options
  */
-export interface ComponentOptions {
+export type ComponentOptions = {
     /** 依赖的其他组件名称列表 | List of required component names */
     requires?: string[];
 
@@ -150,7 +150,7 @@ export function ECSComponent(typeName: string, options?: ComponentOptions) {
  * System 元数据配置
  * System metadata configuration
  */
-export interface SystemMetadata {
+export type SystemMetadata = {
     /**
      * 更新顺序（数值越小越先执行，默认0）
      * Update order (lower values execute first, default 0)
diff --git a/packages/core/src/ECS/IScene.ts b/packages/core/src/ECS/IScene.ts
index b5d5427a..80787b90 100644
--- a/packages/core/src/ECS/IScene.ts
+++ b/packages/core/src/ECS/IScene.ts
@@ -18,7 +18,7 @@ import type { IncrementalSnapshot, IncrementalSerializationOptions } from './Ser
  *
  * 定义场景应该实现的核心功能和属性，使用接口而非继承提供更灵活的实现方式。
  */
-export interface IScene {
+export type IScene = {
     /**
      * 场景名称
      */
@@ -362,7 +362,7 @@ export interface IScene {
 /**
  * 场景工厂接口
  */
-export interface ISceneFactory<T extends IScene> {
+export type ISceneFactory<T extends IScene> = {
     /**
      * 创建场景实例
      */
@@ -373,7 +373,7 @@ export interface ISceneFactory<T extends IScene> {
  * 场景配置接口
  * Scene configuration interface
  */
-export interface ISceneConfig {
+export type ISceneConfig = {
     /**
      * 场景名称
      * Scene name
diff --git a/packages/core/src/ECS/Serialization/ComponentSerializer.ts b/packages/core/src/ECS/Serialization/ComponentSerializer.ts
index de240574..70ad274a 100644
--- a/packages/core/src/ECS/Serialization/ComponentSerializer.ts
+++ b/packages/core/src/ECS/Serialization/ComponentSerializer.ts
@@ -14,7 +14,7 @@ import type { SerializationContext, SerializedEntityRef } from './SerializationC
 
 export type { SerializableValue } from './ValueSerializer';
 
-export interface SerializedComponent {
+export type SerializedComponent = {
     type: string;
     version: number;
     data: Record<string, SerializableValue>;
diff --git a/packages/core/src/ECS/Serialization/EntitySerializer.ts b/packages/core/src/ECS/Serialization/EntitySerializer.ts
index 09f88fa9..6fe81f95 100644
--- a/packages/core/src/ECS/Serialization/EntitySerializer.ts
+++ b/packages/core/src/ECS/Serialization/EntitySerializer.ts
@@ -15,7 +15,7 @@ import { SerializationContext } from './SerializationContext';
 /**
  * 序列化后的实体数据
  */
-export interface SerializedEntity {
+export type SerializedEntity = {
     /**
      * 实体ID（运行时ID）
      *
diff --git a/packages/core/src/ECS/Serialization/IncrementalSerializer.ts b/packages/core/src/ECS/Serialization/IncrementalSerializer.ts
index 2e6a21ba..f9388b20 100644
--- a/packages/core/src/ECS/Serialization/IncrementalSerializer.ts
+++ b/packages/core/src/ECS/Serialization/IncrementalSerializer.ts
@@ -37,7 +37,7 @@ export enum ChangeOperation {
 /**
  * 实体变更记录
  */
-export interface EntityChange {
+export type EntityChange = {
     /** 操作类型 */
     operation: ChangeOperation;
     /** 实体ID */
@@ -51,7 +51,7 @@ export interface EntityChange {
 /**
  * 组件变更记录
  */
-export interface ComponentChange {
+export type ComponentChange = {
     /** 操作类型 */
     operation: ChangeOperation;
     /** 实体ID */
@@ -65,7 +65,7 @@ export interface ComponentChange {
 /**
  * 场景数据变更记录
  */
-export interface SceneDataChange {
+export type SceneDataChange = {
     /** 操作类型 */
     operation: ChangeOperation;
     /** 变更的键 */
@@ -79,7 +79,7 @@ export interface SceneDataChange {
 /**
  * 增量序列化数据
  */
-export interface IncrementalSnapshot {
+export type IncrementalSnapshot = {
     /** 快照版本号 */
     version: number;
     /** 时间戳 */
@@ -127,7 +127,7 @@ export type IncrementalSerializationFormat = 'json' | 'binary';
 /**
  * 增量序列化选项
  */
-export interface IncrementalSerializationOptions {
+export type IncrementalSerializationOptions = {
     /**
      * 是否包含组件数据的深度对比
      * 默认true，设为false可提升性能但可能漏掉组件内部字段变更
diff --git a/packages/core/src/ECS/Serialization/PrefabSerializer.ts b/packages/core/src/ECS/Serialization/PrefabSerializer.ts
index ab1f6dd8..5638940e 100644
--- a/packages/core/src/ECS/Serialization/PrefabSerializer.ts
+++ b/packages/core/src/ECS/Serialization/PrefabSerializer.ts
@@ -35,7 +35,7 @@ export interface SerializedPrefabEntity extends SerializedEntity {
  * 预制体元数据
  * Prefab metadata
  */
-export interface PrefabMetadata {
+export type PrefabMetadata = {
     /** 预制体名称 | Prefab name */
     name: string;
     /** 资产 GUID | Asset GUID */
@@ -58,7 +58,7 @@ export interface PrefabMetadata {
  * 组件类型注册条目
  * Component type registry entry
  */
-export interface PrefabComponentTypeEntry {
+export type PrefabComponentTypeEntry = {
     /** 组件类型名称 | Component type name */
     typeName: string;
     /** 组件版本号 | Component version number */
@@ -69,7 +69,7 @@ export interface PrefabComponentTypeEntry {
  * 预制体数据格式
  * Prefab data format
  */
-export interface PrefabData {
+export type PrefabData = {
     /** 预制体格式版本号 | Prefab format version number */
     version: number;
     /** 预制体元数据 | Prefab metadata */
@@ -84,7 +84,7 @@ export interface PrefabData {
  * 预制体创建选项
  * Prefab creation options
  */
-export interface PrefabCreateOptions {
+export type PrefabCreateOptions = {
     /** 预制体名称 | Prefab name */
     name: string;
     /** 预制体描述 | Prefab description */
@@ -99,7 +99,7 @@ export interface PrefabCreateOptions {
  * 预制体实例化选项
  * Prefab instantiation options
  */
-export interface PrefabInstantiateOptions {
+export type PrefabInstantiateOptions = {
     /** 父实体 ID | Parent entity ID */
     parentId?: number;
     /** 位置覆盖 | Position override */
diff --git a/packages/core/src/ECS/Serialization/SceneSerializer.ts b/packages/core/src/ECS/Serialization/SceneSerializer.ts
index 6e60b642..ce4a55fa 100644
--- a/packages/core/src/ECS/Serialization/SceneSerializer.ts
+++ b/packages/core/src/ECS/Serialization/SceneSerializer.ts
@@ -38,7 +38,7 @@ export type MigrationFunction = (
 /**
  * 场景序列化选项
  */
-export interface SceneSerializationOptions {
+export type SceneSerializationOptions = {
     /**
      * 要序列化的组件类型列表
      * 如果未指定，则序列化所有可序列化的组件
@@ -69,7 +69,7 @@ export interface SceneSerializationOptions {
 /**
  * 场景反序列化选项
  */
-export interface SceneDeserializationOptions {
+export type SceneDeserializationOptions = {
     /**
      * 反序列化策略
      * - 'merge': 合并到现有场景
@@ -97,7 +97,7 @@ export interface SceneDeserializationOptions {
 /**
  * 序列化后的场景数据
  */
-export interface SerializedScene {
+export type SerializedScene = {
     /**
      * 场景名称
      */
diff --git a/packages/core/src/ECS/Serialization/SerializationContext.ts b/packages/core/src/ECS/Serialization/SerializationContext.ts
index c39e5018..ac897b2d 100644
--- a/packages/core/src/ECS/Serialization/SerializationContext.ts
+++ b/packages/core/src/ECS/Serialization/SerializationContext.ts
@@ -6,7 +6,7 @@ import type { Component } from '../Component';
  *
  * Serialized entity reference format.
  */
-export interface SerializedEntityRef {
+export type SerializedEntityRef = {
     /**
      * 运行时 ID（向后兼容）
      *
diff --git a/packages/core/src/ECS/Serialization/SerializationDecorators.ts b/packages/core/src/ECS/Serialization/SerializationDecorators.ts
index f5e74163..e347cfe6 100644
--- a/packages/core/src/ECS/Serialization/SerializationDecorators.ts
+++ b/packages/core/src/ECS/Serialization/SerializationDecorators.ts
@@ -16,7 +16,7 @@ export const SERIALIZE_OPTIONS = Symbol('SerializeOptions');
 /**
  * 可序列化配置选项
  */
-export interface SerializableOptions {
+export type SerializableOptions = {
     /**
      * 序列化版本号，用于数据迁移
      */
@@ -31,7 +31,7 @@ export interface SerializableOptions {
 /**
  * 字段序列化配置
  */
-export interface FieldSerializeOptions {
+export type FieldSerializeOptions = {
     /**
      * 自定义序列化器
      */
@@ -51,7 +51,7 @@ export interface FieldSerializeOptions {
 /**
  * 序列化元数据
  */
-export interface SerializationMetadata {
+export type SerializationMetadata = {
     options: SerializableOptions;
     fields: Map<string | symbol, FieldSerializeOptions>;
     ignoredFields: Set<string | symbol>;
diff --git a/packages/core/src/ECS/Systems/WorkerEntitySystem.ts b/packages/core/src/ECS/Systems/WorkerEntitySystem.ts
index dd0f6293..be26cbd2 100644
--- a/packages/core/src/ECS/Systems/WorkerEntitySystem.ts
+++ b/packages/core/src/ECS/Systems/WorkerEntitySystem.ts
@@ -19,7 +19,7 @@ export type WorkerProcessFunction<T extends Record<string, any> = any> = (
 /**
  * Worker配置接口
  */
-export interface WorkerSystemConfig {
+export type WorkerSystemConfig = {
     /** 是否启用Worker并行处理 */
     enableWorker?: boolean;
     /** Worker数量，默认为CPU核心数，自动限制在系统最大值内 */
diff --git a/packages/core/src/ECS/Utils/BigIntCompatibility.ts b/packages/core/src/ECS/Utils/BigIntCompatibility.ts
index b68e88ef..ff1b2701 100644
--- a/packages/core/src/ECS/Utils/BigIntCompatibility.ts
+++ b/packages/core/src/ECS/Utils/BigIntCompatibility.ts
@@ -17,7 +17,7 @@ export type BitMask64Segment = [number,number]
  * 扩展模式（128+位）：base[lo , hi] 作为第一段，segments 存储额外的 64 位段
  * segments[0] 对应 bit 64-127，segments[1] 对应 bit 128-191，以此类推
  */
-export interface BitMask64Data {
+export type BitMask64Data = {
     base: BitMask64Segment;
     /** 扩展段数组，每个元素是一个 64 位段，用于超过 64 位的场景 */
     segments?: BitMask64Segment[];
diff --git a/packages/core/src/ECS/Utils/Matcher.ts b/packages/core/src/ECS/Utils/Matcher.ts
index ace58fb2..485a1b23 100644
--- a/packages/core/src/ECS/Utils/Matcher.ts
+++ b/packages/core/src/ECS/Utils/Matcher.ts
@@ -4,7 +4,7 @@ import { getComponentTypeName } from '../Decorators';
 /**
  * 查询条件类型
  */
-export interface QueryCondition {
+export type QueryCondition = {
     all: ComponentType[];
     any: ComponentType[];
     none: ComponentType[];
diff --git a/packages/core/src/ECS/Utils/index.ts b/packages/core/src/ECS/Utils/index.ts
index cf2feef7..683d407f 100644
--- a/packages/core/src/ECS/Utils/index.ts
+++ b/packages/core/src/ECS/Utils/index.ts
@@ -4,6 +4,7 @@ export { EntityProcessorList } from './EntityProcessorList';
 export { IdentifierPool } from './IdentifierPool';
 export { Matcher } from './Matcher';
 export { Bits } from './Bits';
-export { BitMask64Utils, BitMask64Data } from './BigIntCompatibility';
+export { BitMask64Utils } from './BigIntCompatibility';
+export type { BitMask64Data } from './BigIntCompatibility';
 export { SparseSet } from './SparseSet';
 export { ComponentSparseSet } from './ComponentSparseSet';
diff --git a/packages/core/src/ECS/World.ts b/packages/core/src/ECS/World.ts
index 407c3e5a..93df6ddc 100644
--- a/packages/core/src/ECS/World.ts
+++ b/packages/core/src/ECS/World.ts
@@ -10,7 +10,7 @@ const logger = createLogger('World');
  * 全局系统接口
  * 全局系统是在World级别运行的系统，不依赖特定Scene
  */
-export interface IGlobalSystem {
+export type IGlobalSystem = {
     /**
      * 系统名称
      */
@@ -40,7 +40,7 @@ export interface IGlobalSystem {
 /**
  * World配置接口
  */
-export interface IWorldConfig {
+export type IWorldConfig = {
     /**
      * World名称
      */
diff --git a/packages/core/src/ECS/WorldManager.ts b/packages/core/src/ECS/WorldManager.ts
index 78464f55..df8a97c8 100644
--- a/packages/core/src/ECS/WorldManager.ts
+++ b/packages/core/src/ECS/WorldManager.ts
@@ -7,7 +7,7 @@ const logger = createLogger('WorldManager');
 /**
  * WorldManager配置接口
  */
-export interface IWorldManagerConfig {
+export type IWorldManagerConfig = {
     /**
      * 最大World数量
      */
diff --git a/packages/core/src/ECS/index.ts b/packages/core/src/ECS/index.ts
index 5e980d11..cb33418f 100644
--- a/packages/core/src/ECS/index.ts
+++ b/packages/core/src/ECS/index.ts
@@ -7,10 +7,12 @@ export * from './Utils';
 export * from './Decorators';
 export * from './Components';
 export { Scene } from './Scene';
-export { IScene, ISceneFactory, ISceneConfig } from './IScene';
+export type { IScene, ISceneFactory, ISceneConfig } from './IScene';
 export { SceneManager } from './SceneManager';
-export { World, IWorldConfig } from './World';
-export { WorldManager, IWorldManagerConfig } from './WorldManager';
+export { World } from './World';
+export type { IWorldConfig } from './World';
+export { WorldManager } from './WorldManager';
+export type { IWorldManagerConfig } from './WorldManager';
 export * from './Core/Events';
 export * from './Core/Query';
 export * from './Core/Storage';
diff --git a/packages/core/src/Platform/IPlatformAdapter.ts b/packages/core/src/Platform/IPlatformAdapter.ts
index 45a86b82..db5d1e73 100644
--- a/packages/core/src/Platform/IPlatformAdapter.ts
+++ b/packages/core/src/Platform/IPlatformAdapter.ts
@@ -2,7 +2,7 @@
  * 平台适配器接口
  * 用于适配不同的运行环境（浏览器、微信小游戏、字节跳动小游戏等）
  */
-export interface IPlatformAdapter {
+export type IPlatformAdapter = {
     /**
      * 平台名称
      */
@@ -60,7 +60,7 @@ export interface IPlatformAdapter {
 /**
  * Worker创建选项
  */
-export interface WorkerCreationOptions {
+export type WorkerCreationOptions = {
     /**
      * Worker类型
      */
@@ -80,7 +80,7 @@ export interface WorkerCreationOptions {
 /**
  * 平台Worker接口
  */
-export interface PlatformWorker {
+export type PlatformWorker = {
     /**
      * 发送消息到Worker
      */
@@ -110,7 +110,7 @@ export interface PlatformWorker {
 /**
  * 平台配置
  */
-export interface PlatformConfig {
+export type PlatformConfig = {
     /**
      * 最大Worker数量限制
      */
@@ -175,7 +175,7 @@ export interface PlatformConfig {
 /**
  * 平台检测结果
  */
-export interface PlatformDetectionResult {
+export type PlatformDetectionResult = {
     /**
      * 平台类型
      */
diff --git a/packages/core/src/Plugins/DebugPlugin.ts b/packages/core/src/Plugins/DebugPlugin.ts
index cc2a8763..e18b24fe 100644
--- a/packages/core/src/Plugins/DebugPlugin.ts
+++ b/packages/core/src/Plugins/DebugPlugin.ts
@@ -14,7 +14,7 @@ const logger = createLogger('DebugPlugin');
 /**
  * ECS 调试插件统计信息
  */
-export interface ECSDebugStats {
+export type ECSDebugStats = {
     scenes: SceneDebugInfo[];
     totalEntities: number;
     totalSystems: number;
@@ -24,7 +24,7 @@ export interface ECSDebugStats {
 /**
  * 场景调试信息
  */
-export interface SceneDebugInfo {
+export type SceneDebugInfo = {
     name: string;
     entityCount: number;
     systems: SystemDebugInfo[];
@@ -34,7 +34,7 @@ export interface SceneDebugInfo {
 /**
  * 系统调试信息
  */
-export interface SystemDebugInfo {
+export type SystemDebugInfo = {
     name: string;
     enabled: boolean;
     updateOrder: number;
@@ -49,7 +49,7 @@ export interface SystemDebugInfo {
 /**
  * 实体调试信息
  */
-export interface EntityDebugInfo {
+export type EntityDebugInfo = {
     id: number;
     name: string;
     enabled: boolean;
@@ -61,7 +61,7 @@ export interface EntityDebugInfo {
 /**
  * 组件调试信息
  */
-export interface ComponentDebugInfo {
+export type ComponentDebugInfo = {
     type: string;
     data: any;
 }
diff --git a/packages/core/src/Types/IUpdatable.ts b/packages/core/src/Types/IUpdatable.ts
index e5c50a2b..b93768a6 100644
--- a/packages/core/src/Types/IUpdatable.ts
+++ b/packages/core/src/Types/IUpdatable.ts
@@ -3,7 +3,7 @@
  *
  * 实现此接口的服务将在每帧被Core自动调用update方法
  */
-export interface IUpdatable {
+export type IUpdatable = {
     /**
      * 每帧更新方法
      *
diff --git a/packages/core/src/Types/TypeHelpers.ts b/packages/core/src/Types/TypeHelpers.ts
index a08b09e2..d4ff31ab 100644
--- a/packages/core/src/Types/TypeHelpers.ts
+++ b/packages/core/src/Types/TypeHelpers.ts
@@ -48,7 +48,7 @@ export type ComponentTypeMap<T extends readonly ComponentConstructor[]> = {
  * 实体with组件的类型
  * 表示一个实体确定拥有某些组件
  */
-export interface EntityWithComponents<T extends readonly ComponentConstructor[]> {
+export type EntityWithComponents<T extends readonly ComponentConstructor[]> = {
     readonly id: number;
     readonly name: string;
 
@@ -163,7 +163,7 @@ export type TypedEventHandler<T> = (data: T) => void | Promise<void>;
 /**
  * 系统生命周期钩子类型
  */
-export interface SystemLifecycleHooks<T extends readonly ComponentConstructor[]> {
+export type SystemLifecycleHooks<T extends readonly ComponentConstructor[]> = {
     /**
      * 实体添加到系统时调用
      */
@@ -188,7 +188,7 @@ export interface SystemLifecycleHooks<T extends readonly ComponentConstructor[]>
 /**
  * Fluent API构建器类型
  */
-export interface TypeSafeBuilder<T> {
+export type TypeSafeBuilder<T> = {
     /**
      * 完成构建
      */
@@ -198,7 +198,7 @@ export interface TypeSafeBuilder<T> {
 /**
  * 组件池类型
  */
-export interface ComponentPool<T extends IComponent> {
+export type ComponentPool<T extends IComponent> = {
     /**
      * 从池中获取组件实例
      */
@@ -223,11 +223,11 @@ export interface ComponentPool<T extends IComponent> {
 /**
  * 实体查询条件类型
  */
-export interface TypedQueryCondition<
+export type TypedQueryCondition<
     All extends readonly ComponentConstructor[] = [],
     Any extends readonly ComponentConstructor[] = [],
     None extends readonly ComponentConstructor[] = []
-> {
+> = {
     all: All;
     any: Any;
     none: None;
diff --git a/packages/core/src/Types/index.ts b/packages/core/src/Types/index.ts
index bb4bd201..3d93d5aa 100644
--- a/packages/core/src/Types/index.ts
+++ b/packages/core/src/Types/index.ts
@@ -14,7 +14,7 @@ export * from './IUpdatable';
  * 定义组件的基本契约。
  * 在 ECS 架构中，组件应该是纯数据容器，不包含业务逻辑。
  */
-export interface IComponent {
+export type IComponent = {
     /** 组件唯一标识符 */
     readonly id: number;
     /** 组件所属的实体ID */
@@ -49,7 +49,7 @@ export interface IComponent {
  *
  * 为现有的EntitySystem类提供类型定义
  */
-export interface ISystemBase {
+export type ISystemBase = {
     /** 系统名称 */
     readonly systemName: string;
     /** 更新顺序/优先级 */
@@ -69,7 +69,7 @@ export interface ISystemBase {
  * 事件总线接口
  * 提供类型安全的事件发布订阅机制
  */
-export interface IEventBus {
+export type IEventBus = {
     /**
      * 发射事件
      * @param eventType 事件类型
@@ -145,7 +145,7 @@ export interface IEventBus {
 /**
  * 事件监听器配置接口
  */
-export interface IEventListenerConfig {
+export type IEventListenerConfig = {
     /** 是否只执行一次 */
     once?: boolean;
     /** 优先级（数字越大优先级越高） */
@@ -159,7 +159,7 @@ export interface IEventListenerConfig {
 /**
  * 事件统计信息接口
  */
-export interface IEventStats {
+export type IEventStats = {
     /** 事件类型 */
     eventType: string;
     /** 监听器数量 */
@@ -177,7 +177,7 @@ export interface IEventStats {
 /**
  * 事件数据基类接口
  */
-export interface IEventData {
+export type IEventData = {
     /** 事件时间戳 */
     timestamp: number;
     /** 事件来源 */
@@ -245,7 +245,7 @@ export interface IPerformanceEventData extends IEventData {
 /**
  * ECS调试配置接口
  */
-export interface IECSDebugConfig {
+export type IECSDebugConfig = {
     /** 是否启用调试 */
     enabled: boolean;
     /** WebSocket服务器URL */
@@ -269,7 +269,7 @@ export interface IECSDebugConfig {
 /**
  * Core配置接口
  */
-export interface ICoreConfig {
+export type ICoreConfig = {
     /** 是否启用调试模式 */
     debug?: boolean;
     /** 调试配置 */
@@ -281,7 +281,7 @@ export interface ICoreConfig {
 /**
  * ECS调试数据接口
  */
-export interface IECSDebugData {
+export type IECSDebugData = {
     /** 时间戳 */
     timestamp: number;
     /** 框架版本 */
@@ -307,7 +307,7 @@ export interface IECSDebugData {
 /**
  * 实体层次结构节点接口
  */
-export interface IEntityHierarchyNode {
+export type IEntityHierarchyNode = {
     id: number;
     name: string;
     active: boolean;
@@ -325,7 +325,7 @@ export interface IEntityHierarchyNode {
 /**
  * 实体调试数据接口
  */
-export interface IEntityDebugData {
+export type IEntityDebugData = {
     /** 总实体数 */
     totalEntities: number;
     /** 激活实体数 */
@@ -399,7 +399,7 @@ export interface IEntityDebugData {
 /**
  * 系统调试数据接口
  */
-export interface ISystemDebugData {
+export type ISystemDebugData = {
     /** 总系统数 */
     totalSystems: number;
     /** 系统信息列表 */
@@ -422,7 +422,7 @@ export interface ISystemDebugData {
 /**
  * 性能调试数据接口
  */
-export interface IPerformanceDebugData {
+export type IPerformanceDebugData = {
     /** ECS框架执行时间（毫秒） */
     frameTime: number;
     /** 引擎总帧时间（毫秒） */
@@ -472,7 +472,7 @@ export interface IPerformanceDebugData {
 /**
  * 组件调试数据接口
  */
-export interface IComponentDebugData {
+export type IComponentDebugData = {
     /** 组件类型数 */
     componentTypes: number;
     /** 组件实例总数 */
@@ -492,7 +492,7 @@ export interface IComponentDebugData {
 /**
  * 场景调试数据接口
  */
-export interface ISceneDebugData {
+export type ISceneDebugData = {
     /** 当前场景名称 */
     currentSceneName: string;
     /** 场景是否已初始化 */
diff --git a/packages/core/src/Utils/Debug/AdvancedProfilerCollector.ts b/packages/core/src/Utils/Debug/AdvancedProfilerCollector.ts
index 2eea6430..3045f6ce 100644
--- a/packages/core/src/Utils/Debug/AdvancedProfilerCollector.ts
+++ b/packages/core/src/Utils/Debug/AdvancedProfilerCollector.ts
@@ -17,7 +17,7 @@ import { Time } from '../Time';
 /**
  * 旧版 PerformanceMonitor 接口 (用于兼容)
  */
-export interface ILegacyPerformanceMonitor {
+export type ILegacyPerformanceMonitor = {
     getAllSystemStats?: () => Map<string, {
         averageTime: number;
         minTime?: number;
@@ -33,7 +33,7 @@ export interface ILegacyPerformanceMonitor {
 /**
  * 热点函数项（支持递归层级）
  */
-export interface IHotspotItem {
+export type IHotspotItem = {
     name: string;
     category: string;
     inclusiveTime: number;
@@ -51,7 +51,7 @@ export interface IHotspotItem {
 /**
  * 高级性能数据接口
  */
-export interface IAdvancedProfilerData {
+export type IAdvancedProfilerData = {
     /** 当前帧信息 */
     currentFrame: {
         frameNumber: number;
diff --git a/packages/core/src/Utils/Logger/Types.ts b/packages/core/src/Utils/Logger/Types.ts
index bbdc2073..0abbbbbe 100644
--- a/packages/core/src/Utils/Logger/Types.ts
+++ b/packages/core/src/Utils/Logger/Types.ts
@@ -3,7 +3,7 @@ import type { LogLevel } from './Constants';
 /**
  * 日志接口
  */
-export interface ILogger {
+export type ILogger = {
     debug(...args: unknown[]): void;
     info(...args: unknown[]): void;
     warn(...args: unknown[]): void;
@@ -14,7 +14,7 @@ export interface ILogger {
 /**
  * 日志颜色配置接口
  */
-export interface LoggerColorConfig {
+export type LoggerColorConfig = {
     debug?: string;
     info?: string;
     warn?: string;
@@ -26,7 +26,7 @@ export interface LoggerColorConfig {
 /**
  * 日志配置
  */
-export interface LoggerConfig {
+export type LoggerConfig = {
     /** 日志级别 */
     level: LogLevel;
     /** 是否启用时间戳 */
diff --git a/packages/core/src/Utils/PerformanceMonitor.ts b/packages/core/src/Utils/PerformanceMonitor.ts
index 63259d8c..3eec7f6f 100644
--- a/packages/core/src/Utils/PerformanceMonitor.ts
+++ b/packages/core/src/Utils/PerformanceMonitor.ts
@@ -1,7 +1,7 @@
 /**
  * 性能监控数据
  */
-export interface PerformanceData {
+export type PerformanceData = {
     /** 系统名称 */
     name: string;
     /** 执行时间（毫秒） */
@@ -21,7 +21,7 @@ export interface PerformanceData {
 /**
  * 性能统计信息
  */
-export interface PerformanceStats {
+export type PerformanceStats = {
     /** 总执行时间 */
     totalTime: number;
     /** 平均执行时间 */
@@ -57,7 +57,7 @@ export enum PerformanceWarningType {
 /**
  * 性能警告
  */
-export interface PerformanceWarning {
+export type PerformanceWarning = {
     type: PerformanceWarningType;
     systemName: string;
     message: string;
@@ -71,7 +71,7 @@ export interface PerformanceWarning {
 /**
  * 性能阈值配置
  */
-export interface PerformanceThresholds {
+export type PerformanceThresholds = {
     /** 执行时间阈值（毫秒） */
     executionTime: {
         warning: number;
diff --git a/packages/core/src/Utils/Pool/IPoolable.ts b/packages/core/src/Utils/Pool/IPoolable.ts
index c981587b..de604397 100644
--- a/packages/core/src/Utils/Pool/IPoolable.ts
+++ b/packages/core/src/Utils/Pool/IPoolable.ts
@@ -1,7 +1,7 @@
 /**
  * 可池化对象接口
  */
-export interface IPoolable {
+export type IPoolable = {
     /**
      * 重置对象状态，准备重用
      */
@@ -11,7 +11,7 @@ export interface IPoolable {
 /**
  * 对象池统计信息
  */
-export interface PoolStats {
+export type PoolStats = {
     /** 池中对象数量 */
     size: number;
     /** 池的最大大小 */
diff --git a/packages/core/src/Utils/Profiler/AutoProfiler.ts b/packages/core/src/Utils/Profiler/AutoProfiler.ts
index ee9cbcdc..6cc6b80c 100644
--- a/packages/core/src/Utils/Profiler/AutoProfiler.ts
+++ b/packages/core/src/Utils/Profiler/AutoProfiler.ts
@@ -15,7 +15,7 @@ import { ProfileCategory } from './ProfilerTypes';
 /**
  * 自动分析配置
  */
-export interface AutoProfilerConfig {
+export type AutoProfilerConfig = {
     /** 是否启用自动包装 */
     enabled: boolean;
     /** 采样间隔（毫秒），用于采样分析器 */
diff --git a/packages/core/src/Utils/Profiler/ProfilerTypes.ts b/packages/core/src/Utils/Profiler/ProfilerTypes.ts
index d2b26773..86410fe1 100644
--- a/packages/core/src/Utils/Profiler/ProfilerTypes.ts
+++ b/packages/core/src/Utils/Profiler/ProfilerTypes.ts
@@ -35,7 +35,7 @@ export enum ProfileCategory {
 /**
  * 采样句柄
  */
-export interface SampleHandle {
+export type SampleHandle = {
     id: string;
     name: string;
     category: ProfileCategory;
@@ -47,7 +47,7 @@ export interface SampleHandle {
 /**
  * 性能采样数据
  */
-export interface ProfileSample {
+export type ProfileSample = {
     id: string;
     name: string;
     category: ProfileCategory;
@@ -66,7 +66,7 @@ export interface ProfileSample {
 /**
  * 聚合后的采样统计
  */
-export interface ProfileSampleStats {
+export type ProfileSampleStats = {
     name: string;
     category: ProfileCategory;
     /** 包含时间（包含子调用） */
@@ -94,7 +94,7 @@ export interface ProfileSampleStats {
 /**
  * 内存快照
  */
-export interface MemorySnapshot {
+export type MemorySnapshot = {
     timestamp: number;
     /** 已使用堆内存 (bytes) */
     usedHeapSize: number;
@@ -111,7 +111,7 @@ export interface MemorySnapshot {
 /**
  * 计数器数据
  */
-export interface ProfileCounter {
+export type ProfileCounter = {
     name: string;
     category: ProfileCategory;
     value: number;
@@ -122,7 +122,7 @@ export interface ProfileCounter {
 /**
  * 单帧性能数据
  */
-export interface ProfileFrame {
+export type ProfileFrame = {
     frameNumber: number;
     startTime: number;
     endTime: number;
@@ -142,7 +142,7 @@ export interface ProfileFrame {
 /**
  * 分析器配置
  */
-export interface ProfilerConfig {
+export type ProfilerConfig = {
     /** 是否启用 */
     enabled: boolean;
     /** 最大历史帧数 */
@@ -164,7 +164,7 @@ export interface ProfilerConfig {
 /**
  * 长任务信息
  */
-export interface LongTaskInfo {
+export type LongTaskInfo = {
     startTime: number;
     duration: number;
     attribution: string[];
@@ -173,7 +173,7 @@ export interface LongTaskInfo {
 /**
  * 调用关系节点
  */
-export interface CallGraphNode {
+export type CallGraphNode = {
     name: string;
     category: ProfileCategory;
     /** 被调用次数 */
@@ -189,7 +189,7 @@ export interface CallGraphNode {
 /**
  * 性能分析报告
  */
-export interface ProfileReport {
+export type ProfileReport = {
     startTime: number;
     endTime: number;
     totalFrames: number;
diff --git a/packages/core/src/Utils/Timers/ITimer.ts b/packages/core/src/Utils/Timers/ITimer.ts
index c42a8839..4a8e9645 100644
--- a/packages/core/src/Utils/Timers/ITimer.ts
+++ b/packages/core/src/Utils/Timers/ITimer.ts
@@ -1,4 +1,4 @@
-export interface ITimer<TContext = unknown> {
+export type ITimer<TContext = unknown> = {
     context: TContext;
 
     /**
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index c009c463..d137a364 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -48,7 +48,7 @@ export type { InjectableMetadata, UpdatableMetadata } from './Core/DI';
 export { Emitter, FuncPack } from './Utils/Emitter';
 export { GlobalManager } from './Utils/GlobalManager';
 export { TimerManager } from './Utils/Timers/TimerManager';
-export { ITimer } from './Utils/Timers/ITimer';
+export type { ITimer } from './Utils/Timers/ITimer';
 export { Timer } from './Utils/Timers/Timer';
 
 // 日志系统
@@ -77,7 +77,8 @@ export * from './Utils';
 export * from './Types';
 
 // 显式导出ComponentPool类（解决与Types中ComponentPool接口的命名冲突）
-export { ComponentPool, ComponentPoolManager } from './ECS/Core/Storage';
+export { ComponentPoolManager } from './ECS/Core/Storage';
+export type { ComponentPool } from './ECS/Core/Storage';
 
 // 平台适配
 export * from './Platform';