diff --git a/packages/legacy-common/src/index.ts b/packages/legacy-common/src/index.ts
index 24afaec..3d17abd 100644
--- a/packages/legacy-common/src/index.ts
+++ b/packages/legacy-common/src/index.ts
@@ -1,3 +1,4 @@
 export * from './patch';
 export * from './disposable';
 export * from './eventEmitter';
+export * from './resource';
diff --git a/src/core/common/resource.ts b/packages/legacy-common/src/resource.ts
similarity index 99%
rename from src/core/common/resource.ts
rename to packages/legacy-common/src/resource.ts
index e43d8a5..fac3c4b 100644
--- a/src/core/common/resource.ts
+++ b/packages/legacy-common/src/resource.ts
@@ -1,5 +1,6 @@
 import axios, { AxiosRequestConfig, ResponseType } from 'axios';
-import { Disposable, EventEmitter } from '@motajs/legacy-common';
+import { EventEmitter } from './eventEmitter';
+import { Disposable } from './disposable';
 import { logger } from '@motajs/common';
 import JSZip from 'jszip';
 
diff --git a/src/core/common/eventEmitter.ts b/src/core/common/eventEmitter.ts
deleted file mode 100644
index cfca038..0000000
--- a/src/core/common/eventEmitter.ts
+++ /dev/null
@@ -1,211 +0,0 @@
-function has<T>(value: T): value is NonNullable<T> {
-    return value !== null && value !== undefined;
-}
-
-export type Callable = (...params: any) => any;
-
-export interface Listener<T extends (...params: any) => any> {
-    fn: T;
-    once?: boolean;
-    immediate?: boolean;
-}
-
-export interface ListenerOptions {
-    once: boolean;
-    immediate: boolean;
-}
-
-type EmitFn<F extends (...params: any) => any> = (
-    events: Listener<F>[],
-    ...params: Parameters<F>
-) => any;
-
-type Key = number | string | symbol;
-
-export class EventEmitter<T extends Record<keyof T, Callable> = {}> {
-    protected events: {
-        [x: Key]: Listener<Callable>[];
-    } = {};
-    private emitted: Set<string> = new Set();
-
-    protected emitter: {
-        [x: Key]: EmitFn<Callable> | undefined;
-    } = {};
-
-    /**
-     * 监听某个事件
-     * @param event 要监听的事件类型
-     * @param fn 触发事件时执行的函数
-     * @param options 监听选项
-     */
-    on<K extends keyof T>(
-        event: K,
-        fn: T[K],
-        options?: Partial<ListenerOptions>
-    ): void;
-    on(event: string, fn: Callable, options?: Partial<ListenerOptions>): void;
-    on(event: string, fn: Callable, options?: Partial<ListenerOptions>): void {
-        if (options?.immediate && this.emitted.has(event)) {
-            fn();
-            if (!options.once) {
-                this.events[event] ??= [];
-                this.events[event]?.push({
-                    fn
-                });
-            }
-            return;
-        }
-        this.events[event] ??= [];
-        this.events[event]?.push({
-            fn,
-            once: options?.once
-        });
-    }
-
-    /**
-     * 取消监听某个事件
-     * @param event 要取消监听的事件类型
-     * @param fn 要取消监听的函数
-     */
-    off<K extends keyof T>(event: K, fn: T[K]): void;
-    off(event: string, fn: Callable): void;
-    off(event: string, fn: Callable): void {
-        const index = this.events[event]?.findIndex(v => v.fn === fn);
-        if (index === -1 || index === void 0) return;
-        this.events[event]?.splice(index, 1);
-    }
-
-    /**
-     * 监听事件，并只触发一次
-     * @param event 要监听的事件
-     * @param fn 监听函数
-     */
-    once<K extends keyof T>(event: K, fn: T[K]): void;
-    once(event: string, fn: Callable): void;
-    once(event: string, fn: Callable): void {
-        this.on(event, fn, { once: true });
-    }
-
-    /**
-     * 触发某个事件
-     * @param event 要触发的事件类型
-     * @param params 传入的参数
-     */
-    emit<K extends keyof T>(
-        event: K,
-        ...params: Parameters<T[K]>
-    ): ReturnType<T[K]>[];
-    emit(event: string, ...params: any[]): any[];
-    emit<K extends keyof T, R>(event: K, ...params: Parameters<T[K]>): R;
-    emit<R>(event: string, ...params: any[]): R;
-    emit(event: string, ...params: any[]): any[] {
-        this.emitted.add(event);
-        const events = (this.events[event] ??= []);
-        if (this.emitter[event]) {
-            const returns = this.emitter[event]!(events, ...params);
-            this.events[event] = events.filter(v => !v.once);
-            return returns;
-        } else {
-            const returns: ReturnType<Callable>[] = [];
-            for (let i = 0; i < events.length; i++) {
-                const e = events[i];
-                returns.push(e.fn(...(params as any)));
-            }
-            this.events[event] = events.filter(v => !v.once);
-            return returns;
-        }
-    }
-
-    /**
-     * 设置一个事件的执行器(emitter)
-     * @param event 要设置的事件
-     * @param fn 事件执行器，留空以清除触发器
-     */
-    // @ts-expect-error 无法推导
-    setEmitter<K extends keyof T>(event: K, fn?: EmitFn<T[K]>): void;
-    setEmitter(event: string, fn?: EmitFn<Callable>): void;
-    setEmitter(event: string, fn?: EmitFn<Callable>): void {
-        this.emitter[event] = fn;
-    }
-
-    /**
-     * 取消监听所有的事件，删除所有监听函数
-     */
-    removeAllListeners(): void;
-    /**
-     * 取消监听一个事件的所有函数
-     * @param event 要取消监听的事件
-     */
-    removeAllListeners(event: keyof T): void;
-    /**
-     * 取消监听一个事件的所有函数
-     * @param event 要取消监听的事件
-     */
-    removeAllListeners(event: string): void;
-    removeAllListeners(event?: string | keyof T) {
-        if (has(event)) this.events[event] = [];
-        else this.events = {};
-    }
-}
-
-type IndexedSymbol = number | string | symbol;
-
-export class IndexedEventEmitter<
-    T extends Record<keyof T, Callable>
-> extends EventEmitter<T> {
-    private fnMap: {
-        [P in keyof T]?: Map<IndexedSymbol, T[P]>;
-    } = {};
-
-    /**
-     * 监听事件，并将函数与唯一标识符绑定
-     * @param event 事件类型
-     * @param symbol 监听函数的唯一标识符
-     * @param fn 监听函数
-     * @param options 监听配置
-     */
-    onIndex<K extends keyof T>(
-        event: K,
-        symbol: IndexedSymbol,
-        fn: T[K],
-        options: Partial<ListenerOptions>
-    ) {
-        const map = this.ensureMap(event);
-        if (map.has(symbol)) {
-            console.warn(
-                `监听${String(event)}出错：已存在标识符为${String(
-                    symbol
-                )}的监听函数，已将其覆盖`
-            );
-            this.offIndex(event, symbol);
-        }
-        map.set(symbol, fn);
-        this.on(event, fn, options);
-    }
-
-    /**
-     * 监听事件，绑定唯一标识符，但监听函数只会执行一次
-     * @param event 要监听的事件
-     * @param symbol 监听函数的唯一标识符
-     * @param fn 监听函数
-     */
-    onceIndex<K extends keyof T>(event: K, symbol: IndexedSymbol, fn: T[K]) {
-        this.onIndex(event, symbol, fn, { once: true });
-    }
-
-    /**
-     * 取消监听一个事件
-     * @param event 要取消监听的事件
-     * @param symbol 取消监听的函数的唯一标识符
-     */
-    offIndex<K extends keyof T>(event: K, symbol: IndexedSymbol) {
-        const map = this.ensureMap(event);
-        const fn = map.get(symbol);
-        if (!fn) return;
-        this.off(event, fn);
-    }
-
-    private ensureMap<K extends keyof T>(event: K) {
-        return this.fnMap[event] ?? new Map<IndexedSymbol, T[K]>();
-    }
-}
diff --git a/src/ui/load.vue b/src/ui/load.vue
index c5fcfcb..d3a9cef 100644
--- a/src/ui/load.vue
+++ b/src/ui/load.vue
@@ -30,7 +30,7 @@ import {
     loadCompressedResource,
     loadDefaultResource,
     LoadTask
-} from '@/core/common/resource';
+} from '@motajs/legacy-common';
 import { GameUi } from '@/core/main/custom/ui';
 import { formatSize } from '@/plugin/utils';
 import { logger } from '@motajs/common';