diff --git a/.gitignore b/.gitignore
index 9fe15ab..833f8af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,4 +34,5 @@ dist.rar
 index.cjs
 !public/swap/*.h5save
 _bundle
-out
\ No newline at end of file
+out
+dist-resource
\ No newline at end of file
diff --git a/public/project/animates/animates.h5data b/public/project/animates/animates.h5data
deleted file mode 100644
index 2b79e84..0000000
Binary files a/public/project/animates/animates.h5data and /dev/null differ
diff --git a/public/project/autotiles/autotiles.h5data b/public/project/autotiles/autotiles.h5data
deleted file mode 100644
index 81477a6..0000000
Binary files a/public/project/autotiles/autotiles.h5data and /dev/null differ
diff --git a/public/project/images/images.h5data b/public/project/images/images.h5data
deleted file mode 100644
index 6411605..0000000
Binary files a/public/project/images/images.h5data and /dev/null differ
diff --git a/public/project/materials/materials.h5data b/public/project/materials/materials.h5data
deleted file mode 100644
index e50574c..0000000
Binary files a/public/project/materials/materials.h5data and /dev/null differ
diff --git a/public/project/sounds/sounds.h5data b/public/project/sounds/sounds.h5data
deleted file mode 100644
index 1dcb995..0000000
Binary files a/public/project/sounds/sounds.h5data and /dev/null differ
diff --git a/public/project/tilesets/tilesets.h5data b/public/project/tilesets/tilesets.h5data
deleted file mode 100644
index 7a622c5..0000000
Binary files a/public/project/tilesets/tilesets.h5data and /dev/null differ
diff --git a/script/lines.ts b/script/lines.ts
index 17ea672..3dcf1d0 100644
--- a/script/lines.ts
+++ b/script/lines.ts
@@ -1,11 +1,13 @@
 import fs from 'fs-extra';
 import { extname, resolve } from 'path';
+import { formatSize } from './utils.js';
 
 (async function () {
-    const dir = process.argv[2] || './src';
+    const dir = process.argv.slice(2) || ['./src'];
     let totalLines = 0;
     let totalFiles = 0;
-    const list: Record<string, [number, number]> = {};
+    let totalSize = 0;
+    const list: Record<string, [number, number, number]> = {};
     const ignoreDir = [
         'node_modules',
         'floors',
@@ -36,32 +38,38 @@ import { extname, resolve } from 'path';
                     const file = await fs.readFile(resolve(dir, one), 'utf-8');
                     const lines = file.split('\n').length;
                     const ext = extname(one);
-                    list[ext] ??= [0, 0];
+                    list[ext] ??= [0, 0, 0];
                     list[ext][0]++;
                     list[ext][1] += lines;
+                    list[ext][2] += stat.size;
                     totalLines += lines;
                     totalFiles++;
+                    totalSize += stat.size;
                 }
             } else {
                 await check(resolve(dir, one));
             }
         }
     };
-    await check(dir);
+    await Promise.all(dir.map(v => check(v)));
 
     const sorted = Object.entries(list).sort((a, b) => {
         return a[1][1] - b[1][1];
     });
-    for (const [ext, [file, lines]] of sorted) {
+    for (const [ext, [file, lines, size]] of sorted) {
         console.log(
             `${ext.slice(1).padEnd(7, ' ')}files: ${file
                 .toString()
-                .padEnd(6, ' ')}lines: ${lines}`
+                .padEnd(6, ' ')}lines: ${lines
+                .toString()
+                .padEnd(9, ' ')}size: ${formatSize(size)}`
         );
     }
     console.log(
         `\x1b[33mtotal  files: ${totalFiles
             .toString()
-            .padEnd(6, ' ')}lines: ${totalLines}\x1b[0m`
+            .padEnd(6, ' ')}lines: ${totalLines
+            .toString()
+            .padEnd(9, ' ')}size: ${formatSize(totalSize)}\x1b[0m`
     );
 })();
diff --git a/script/resource.ts b/script/resource.ts
index 5925074..ec9b635 100644
--- a/script/resource.ts
+++ b/script/resource.ts
@@ -3,8 +3,8 @@ import { uniqueSymbol } from './utils.js';
 import { extname, resolve } from 'path';
 
 type ResorceType =
-    | 'bgm'
-    | 'sound'
+    | 'bgms'
+    | 'sounds'
     | 'autotiles'
     | 'images'
     | 'materials'
@@ -12,9 +12,8 @@ type ResorceType =
     | 'animates'
     | 'fonts';
 
-let resorceIndex = 0;
 const compress: ResorceType[] = [
-    'sound',
+    'sounds',
     'animates',
     'autotiles',
     'images',
@@ -24,13 +23,16 @@ const compress: ResorceType[] = [
 
 const SYMBOL = uniqueSymbol();
 const MAX_SIZE = 100 * (1 << 20);
+const baseDir = './dist';
 
 let totalSize = 0;
 
+type Stats = fs.Stats & { name?: string };
+
 export async function splitResorce(compress: boolean = false) {
     const folder = await fs.stat('./dist');
     totalSize = folder.size;
-    if (totalSize < MAX_SIZE) return;
+    // if (totalSize < MAX_SIZE) return;
 
     await fs.ensureDir('./dist-resource');
     await doSplit(compress);
@@ -38,16 +40,112 @@ export async function splitResorce(compress: boolean = false) {
 
 async function sortDir(dir: string, ext?: string[]) {
     const path = await fs.readdir(dir);
-    const stats: fs.Stats[] = [];
+    const stats: Stats[] = [];
 
     for await (const one of path) {
         if (ext && !ext.includes(extname(one))) continue;
         const stat = await fs.stat(resolve(dir, one));
         if (!stat.isFile()) continue;
-        stats.push(stat);
+        const status: Stats = {
+            ...stat,
+            name: one
+        };
+        stats.push(status);
     }
 
     return stats.sort((a, b) => b.size - a.size);
 }
 
-async function doSplit(compress: boolean) {}
+async function calResourceSize() {
+    return (
+        await Promise.all(
+            [
+                'animates',
+                'autotiles',
+                'bgms',
+                'fonts',
+                'images',
+                'materials',
+                'sounds',
+                'tilesets'
+            ].map(v => fs.stat(resolve('./dist/project/', v)))
+        )
+    ).reduce((pre, cur) => pre + cur.size, 0);
+}
+
+async function doSplit(compress: boolean) {
+    let size = await calResourceSize();
+    await fs.emptyDir('./dist-resource');
+    const priority: ResorceType[] = [
+        'materials',
+        'tilesets',
+        'autotiles',
+        'animates',
+        'images',
+        'sounds',
+        'fonts',
+        'bgms'
+    ];
+    const dirInfo: Record<ResorceType, Stats[]> = Object.fromEntries(
+        await Promise.all(
+            priority.map(async v => [
+                v,
+                await sortDir(resolve(baseDir, 'project', v))
+            ])
+        )
+    );
+
+    let currSize = 0;
+    const split = async (index: number): Promise<void> => {
+        size -= currSize;
+        currSize = 0;
+
+        const cut: string[] = [];
+
+        (() => {
+            const mapped: ResorceType[] = [];
+            while (1) {
+                const toCut = priority.find(
+                    v => dirInfo[v].length > 0 && !mapped.includes(v)
+                );
+                if (!toCut) return;
+
+                mapped.push(toCut);
+
+                let pass = 0;
+                while (1) {
+                    const stats = dirInfo[toCut];
+                    const stat = stats[pass];
+                    if (!stat) {
+                        break;
+                    }
+                    if (currSize + stat.size >= MAX_SIZE) {
+                        pass++;
+                        continue;
+                    }
+                    cut.push(`${toCut}/${stat.name}`);
+                    stats.splice(pass, 1);
+                    currSize += stat.size;
+                }
+            }
+        })();
+
+        const dir = `./dist-resource/${index}`;
+        await fs.ensureDir(dir);
+        await Promise.all(priority.map(v => fs.ensureDir(resolve(dir, v))));
+
+        await Promise.all(
+            cut.map(v =>
+                fs.move(
+                    resolve('./dist/project', v),
+                    resolve(dir, `${v}-${SYMBOL}`)
+                )
+            )
+        );
+
+        if (Object.values(dirInfo).every(v => v.length === 0)) return;
+        else return split(index + 1);
+    };
+
+    await split(0);
+}
diff --git a/script/utils.ts b/script/utils.ts
index 2517d98..f70e6eb 100644
--- a/script/utils.ts
+++ b/script/utils.ts
@@ -1,3 +1,13 @@
 export function uniqueSymbol() {
     return Math.ceil(Math.random() * 0xefffffff + 0x10000000).toString(16);
 }
+
+export function formatSize(size: number) {
+    return size < 1 << 10
+        ? `${size.toFixed(2)}B`
+        : size < 1 << 20
+        ? `${(size / (1 << 10)).toFixed(2)}KB`
+        : size < 1 << 30
+        ? `${(size / (1 << 20)).toFixed(2)}MB`
+        : `${(size / (1 << 30)).toFixed(2)}GB`;
+}
diff --git a/src/core/common/disposable.ts b/src/core/common/disposable.ts
new file mode 100644
index 0000000..2187a8f
--- /dev/null
+++ b/src/core/common/disposable.ts
@@ -0,0 +1,36 @@
+import { EmitableEvent, EventEmitter } from './eventEmitter';
+
+interface DisposableEvent<T> extends EmitableEvent {
+    active: (value: T) => void;
+    dispose: (value: T) => void;
+}
+
+export class Disposable<T> extends EventEmitter<DisposableEvent<T>> {
+    protected _data: T;
+    set data(value: T | null) {
+        if (value !== null) this._data = value;
+    }
+    get data(): T | null {
+        if (!this.activated) {
+            return null;
+        }
+        return this._data;
+    }
+
+    protected activated: boolean = false;
+
+    constructor(data: T) {
+        super();
+        this._data = data;
+    }
+
+    active() {
+        this.activated = true;
+        this.emit('active', this._data);
+    }
+
+    dispose() {
+        this.activated = false;
+        this.emit('dispose', this._data);
+    }
+}
diff --git a/src/core/common/eventEmitter.ts b/src/core/common/eventEmitter.ts
new file mode 100644
index 0000000..f52db37
--- /dev/null
+++ b/src/core/common/eventEmitter.ts
@@ -0,0 +1,73 @@
+export interface EmitableEvent {
+    [event: string]: (...params: any) => any;
+}
+
+interface Listener<T extends (...params: any) => any> {
+    fn: T;
+    once?: boolean;
+}
+
+interface ListenerOptions {
+    once: boolean;
+}
+
+export class EventEmitter<T extends EmitableEvent = {}> {
+    private events: {
+        [P in keyof T]?: Listener<T[P]>[];
+    } = {};
+
+    /**
+     * 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>
+    ) {
+        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]) {
+        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]) {
+        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]>) {
+        const events = (this.events[event] ??= []);
+        for (let i = 0; i < events.length; i++) {
+            const e = events[i];
+            e.fn(...(params as any));
+            if (e.once) {
+                events.splice(i, 1);
+                i--;
+            }
+        }
+    }
+}
diff --git a/src/data/settings.json b/src/data/settings.json
index f6bdaba..f8749fe 100644
--- a/src/data/settings.json
+++ b/src/data/settings.json
@@ -76,7 +76,7 @@
         "text": "优化加载",
         "desc": [
             "开启后游戏将对加载进行优化，缩短进入游戏时的加载时长，而在游戏中对资源进行部分性按需加载，从而对加载进行优化。",
-            "该设置不会影响你的正常游戏。",
+            "该设置不会影响你的正常游戏，但如果网络环境较差，可能会导致楼层转换时间明显变长。",
             "<br>",
             "<br>",
             "注：修改后刷新页面起效。"
diff --git a/src/ui/settings.vue b/src/ui/settings.vue
index f566dba..239e05e 100644
--- a/src/ui/settings.vue
+++ b/src/ui/settings.vue
@@ -130,7 +130,8 @@ const settings: Record<keyof Settings, Ref<boolean>> = {
     useFixed,
     autoLocate,
     antiAliasing,
-    fullscreen
+    fullscreen,
+    betterLoad: ref(false)
 };
 
 const ignore: (keyof Settings)[] = ['fullscreen'];