完成基本功能

2026-01-12 03:56:47 +08:00 · 2026-01-12 03:56:47 +08:00 · f0b91409b6
commit f0b91409b6
57 changed files with 9700 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,53 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Dependencies
+node_modules
+node_modules/
+server/node_modules/
+
+# Build outputs
+dist
+dist-ssr
+*.local
+
+# Tauri
+src-tauri/target/
+
+# IDE
+.vscode/*
+!.vscode/extensions.json
+.idea
+.DS_Store
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Lock files (optional - uncomment if you don't want to commit them)
+# pnpm-lock.yaml
+# package-lock.json
+# yarn.lock
+
+# IDE specific
+.trae/
+.history/
+*.swp
+*.swo
+*~
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@ -0,0 +1,7 @@
+{
+  "recommendations": [
+    "Vue.volar",
+    "tauri-apps.tauri-vscode",
+    "rust-lang.rust-analyzer"
+  ]
+}
--- a/README.md
+++ b/README.md
@ -0,0 +1,7 @@
+# Tauri + Vue 3
+
+This template should help get you started developing with Tauri + Vue 3 in Vite. The template uses Vue 3 `<script setup>` SFCs, check out the [script setup docs](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to learn more.
+
+## Recommended IDE Setup
+
+- [VS Code](https://code.visualstudio.com/) + [Vue - Official](https://marketplace.visualstudio.com/items?itemName=Vue.volar) + [Tauri](https://marketplace.visualstudio.com/items?itemName=tauri-apps.tauri-vscode) + [rust-analyzer](https://marketplace.visualstudio.com/items?itemName=rust-lang.rust-analyzer)
--- a/index.html
+++ b/index.html
@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/p2p-icon.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>P2P File Transfer</title>
+  </head>
+
+  <body>
+    <div id="app"></div>
+    <script type="module" src="/src/main.js"></script>
+  </body>
+</html>
--- a/package.json
+++ b/package.json
@ -0,0 +1,24 @@
+{
+  "name": "p2p-transfer",
+  "private": true,
+  "version": "0.1.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite --host",
+    "build": "vite build",
+    "preview": "vite preview",
+    "tauri": "tauri"
+  },
+  "dependencies": {
+    "@tauri-apps/api": "^2",
+    "@tauri-apps/plugin-opener": "^2",
+    "socket.io-client": "^4.8.1",
+    "vue": "^3.5.13",
+    "vue-i18n": "12.0.0-alpha.3"
+  },
+  "devDependencies": {
+    "@tauri-apps/cli": "^2",
+    "@vitejs/plugin-vue": "^5.2.1",
+    "vite": "^6.0.3"
+  }
+}
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
--- a/public/p2p-icon.svg
+++ b/public/p2p-icon.svg
@ -0,0 +1,19 @@
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+  <defs>
+    <linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#3B82F6;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#60A5FA;stop-opacity:1" />
+    </linearGradient>
+    <linearGradient id="bgGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#F8FAFC;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#E2E8F0;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  
+  <rect width="256" height="256" rx="48" fill="url(#bgGrad)"/>
+  
+  <g transform="translate(78, 48)">
+    <rect x="0" y="0" width="100" height="160" rx="12" fill="url(#grad1)" opacity="0.9"/>
+    <path d="M25 50 L75 50 M25 80 L75 80 M25 110 L60 110" stroke="white" stroke-width="6" stroke-linecap="round"/>
+  </g>
+</svg>
--- a/public/tauri.svg
+++ b/public/tauri.svg
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--- a/public/vite.svg
+++ b/public/vite.svg
@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>
--- a/server/index.js
+++ b/server/index.js
@ -0,0 +1,128 @@
+import Koa from 'koa';
+import Router from 'koa-router';
+import bodyParser from 'koa-bodyparser';
+import cors from '@koa/cors';
+import { createServer } from 'http';
+import { Server } from 'socket.io';
+import os from 'os';
+import signalRouter from './routes/signal.js';
+import filesRouter from './routes/files.js';
+
+const app = new Koa();
+const router = new Router();
+const httpServer = createServer(app);
+
+const io = new Server(httpServer, {
+  cors: {
+    origin: '*',
+    methods: ['GET', 'POST'],
+    credentials: true,
+    allowedHeaders: ['Content-Type', 'Authorization']
+  },
+  transports: ['websocket', 'polling']
+});
+
+app.use(cors({
+  origin: '*',
+  credentials: true,
+  allowMethods: ['GET', 'POST', 'PUT', 'DELETE', 'OPTIONS'],
+  allowHeaders: ['Content-Type', 'Authorization']
+}));
+app.use(bodyParser());
+
+app.use(async (ctx, next) => {
+  ctx.io = io;
+  await next();
+});
+
+router.get('/', async (ctx) => {
+  ctx.body = {
+    message: 'P2P File Transfer Server',
+    version: '1.0.0'
+  };
+});
+
+app.use(router.routes());
+app.use(router.allowedMethods());
+
+app.use(signalRouter.routes());
+app.use(signalRouter.allowedMethods());
+
+app.use(filesRouter.routes());
+app.use(filesRouter.allowedMethods());
+
+const rooms = new Map();
+const users = new Map();
+
+io.on('connection', (socket) => {
+  console.log('User connected:', socket.id);
+
+  socket.on('join-room', ({ roomId, userId, nickname }) => {
+    socket.join(roomId);
+    users.set(socket.id, { roomId, userId, nickname });
+
+    const room = rooms.get(roomId) || new Set();
+    room.add(socket.id);
+    rooms.set(roomId, room);
+
+    socket.to(roomId).emit('user-joined', { userId, socketId: socket.id, nickname });
+
+    const roomUsers = Array.from(room).map(id => ({
+      socketId: id,
+      userId: users.get(id)?.userId,
+      nickname: users.get(id)?.nickname
+    }));
+    socket.emit('room-users', roomUsers);
+  });
+
+  socket.on('signal', ({ targetSocketId, signal }) => {
+    const targetUser = users.get(targetSocketId);
+    if (targetUser) {
+      io.to(targetSocketId).emit('signal', {
+        senderSocketId: socket.id,
+        signal
+      });
+    }
+  });
+
+  socket.on('disconnect', () => {
+    console.log('User disconnected:', socket.id);
+    const user = users.get(socket.id);
+    if (user) {
+      const room = rooms.get(user.roomId);
+      if (room) {
+        room.delete(socket.id);
+        socket.to(user.roomId).emit('user-left', {
+          userId: user.userId,
+          socketId: socket.id
+        });
+
+        if (room.size === 0) {
+          rooms.delete(user.roomId);
+        }
+      }
+      users.delete(socket.id);
+    }
+  });
+});
+
+const PORT = process.env.PORT || 3000;
+const HOST = process.env.HOST || '0.0.0.0';
+
+httpServer.listen(PORT, HOST, () => {
+  console.log(`P2P Transfer Server running on http://${HOST}:${PORT}`);
+  console.log(`Local access: http://localhost:${PORT}`);
+  console.log(`LAN access: http://${getLocalIP()}:${PORT}`);
+});
+
+function getLocalIP() {
+  const interfaces = os.networkInterfaces();
+  for (const name of Object.keys(interfaces)) {
+    for (const iface of interfaces[name]) {
+      if (iface.family === 'IPv4' && !iface.internal) {
+        return iface.address;
+      }
+    }
+  }
+  return 'localhost';
+}
--- a/server/package.json
+++ b/server/package.json
@ -0,0 +1,29 @@
+{
+  "name": "p2p-transfer-server",
+  "version": "1.0.0",
+  "type": "module",
+  "description": "P2P file transfer server with Koa2 and Socket.io",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "dev": "node --watch index.js"
+  },
+  "keywords": [
+    "p2p",
+    "file-transfer",
+    "webrtc",
+    "koa2"
+  ],
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "@koa/cors": "^5.0.0",
+    "@koa/multer": "^3.0.2",
+    "koa": "^2.15.3",
+    "koa-bodyparser": "^4.4.1",
+    "koa-router": "^12.0.1",
+    "multer": "^1.4.5-lts.1",
+    "socket.io": "^4.8.1",
+    "ws": "^8.18.0"
+  }
+}
--- a/server/pnpm-lock.yaml
+++ b/server/pnpm-lock.yaml
@ -0,0 +1,939 @@
+lockfileVersion: '9.0'
+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
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+        version: 1.4.5-lts.2
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+        version: 4.8.3
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+
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+      utf-8-validate: '>=5.0.2'
+    peerDependenciesMeta:
+      bufferutil:
+        optional: true
+      utf-8-validate:
+        optional: true
+
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+    engines: {node: '>= 4.0.0'}
+
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+
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+
+  '@koa/cors@5.0.0':
+    dependencies:
+      vary: 1.1.2
+
+  '@koa/multer@3.1.0(multer@1.4.5-lts.2)':
+    dependencies:
+      multer: 1.4.5-lts.2
+
+  '@socket.io/component-emitter@3.1.2': {}
+
+  '@types/cors@2.8.19':
+    dependencies:
+      '@types/node': 25.0.6
+
+  '@types/node@25.0.6':
+    dependencies:
+      undici-types: 7.16.0
+
+  accepts@1.3.8:
+    dependencies:
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+      negotiator: 0.6.3
+
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+
+  base64id@2.0.0: {}
+
+  buffer-from@1.1.2: {}
+
+  busboy@1.6.0:
+    dependencies:
+      streamsearch: 1.1.0
+
+  bytes@3.1.2: {}
+
+  cache-content-type@1.0.1:
+    dependencies:
+      mime-types: 2.1.35
+      ylru: 1.4.0
+
+  call-bind-apply-helpers@1.0.2:
+    dependencies:
+      es-errors: 1.3.0
+      function-bind: 1.1.2
+
+  call-bound@1.0.4:
+    dependencies:
+      call-bind-apply-helpers: 1.0.2
+      get-intrinsic: 1.3.0
+
+  co-body@6.2.0:
+    dependencies:
+      '@hapi/bourne': 3.0.0
+      inflation: 2.1.0
+      qs: 6.14.1
+      raw-body: 2.5.3
+      type-is: 1.6.18
+
+  co@4.6.0: {}
+
+  concat-stream@1.6.2:
+    dependencies:
+      buffer-from: 1.1.2
+      inherits: 2.0.4
+      readable-stream: 2.3.8
+      typedarray: 0.0.6
+
+  content-disposition@0.5.4:
+    dependencies:
+      safe-buffer: 5.2.1
+
+  content-type@1.0.5: {}
+
+  cookie@0.7.2: {}
+
+  cookies@0.9.1:
+    dependencies:
+      depd: 2.0.0
+      keygrip: 1.1.0
+
+  copy-to@2.0.1: {}
+
+  core-util-is@1.0.3: {}
+
+  cors@2.8.5:
+    dependencies:
+      object-assign: 4.1.1
+      vary: 1.1.2
+
+  debug@4.4.3:
+    dependencies:
+      ms: 2.1.3
+
+  deep-equal@1.0.1: {}
+
+  delegates@1.0.0: {}
+
+  depd@1.1.2: {}
+
+  depd@2.0.0: {}
+
+  destroy@1.2.0: {}
+
+  dunder-proto@1.0.1:
+    dependencies:
+      call-bind-apply-helpers: 1.0.2
+      es-errors: 1.3.0
+      gopd: 1.2.0
+
+  ee-first@1.1.1: {}
+
+  encodeurl@1.0.2: {}
+
+  engine.io-parser@5.2.3: {}
+
+  engine.io@6.6.5:
+    dependencies:
+      '@types/cors': 2.8.19
+      '@types/node': 25.0.6
+      accepts: 1.3.8
+      base64id: 2.0.0
+      cookie: 0.7.2
+      cors: 2.8.5
+      debug: 4.4.3
+      engine.io-parser: 5.2.3
+      ws: 8.18.3
+    transitivePeerDependencies:
+      - bufferutil
+      - supports-color
+      - utf-8-validate
+
+  es-define-property@1.0.1: {}
+
+  es-errors@1.3.0: {}
+
+  es-object-atoms@1.1.1:
+    dependencies:
+      es-errors: 1.3.0
+
+  escape-html@1.0.3: {}
+
+  fresh@0.5.2: {}
+
+  function-bind@1.1.2: {}
+
+  generator-function@2.0.1: {}
+
+  get-intrinsic@1.3.0:
+    dependencies:
+      call-bind-apply-helpers: 1.0.2
+      es-define-property: 1.0.1
+      es-errors: 1.3.0
+      es-object-atoms: 1.1.1
+      function-bind: 1.1.2
+      get-proto: 1.0.1
+      gopd: 1.2.0
+      has-symbols: 1.1.0
+      hasown: 2.0.2
+      math-intrinsics: 1.1.0
+
+  get-proto@1.0.1:
+    dependencies:
+      dunder-proto: 1.0.1
+      es-object-atoms: 1.1.1
+
+  gopd@1.2.0: {}
+
+  has-symbols@1.1.0: {}
+
+  has-tostringtag@1.0.2:
+    dependencies:
+      has-symbols: 1.1.0
+
+  hasown@2.0.2:
+    dependencies:
+      function-bind: 1.1.2
+
+  http-assert@1.5.0:
+    dependencies:
+      deep-equal: 1.0.1
+      http-errors: 1.8.1
+
+  http-errors@1.8.1:
+    dependencies:
+      depd: 1.1.2
+      inherits: 2.0.4
+      setprototypeof: 1.2.0
+      statuses: 1.5.0
+      toidentifier: 1.0.1
+
+  http-errors@2.0.1:
+    dependencies:
+      depd: 2.0.0
+      inherits: 2.0.4
+      setprototypeof: 1.2.0
+      statuses: 2.0.2
+      toidentifier: 1.0.1
+
+  iconv-lite@0.4.24:
+    dependencies:
+      safer-buffer: 2.1.2
+
+  inflation@2.1.0: {}
+
+  inherits@2.0.4: {}
+
+  is-generator-function@1.1.2:
+    dependencies:
+      call-bound: 1.0.4
+      generator-function: 2.0.1
+      get-proto: 1.0.1
+      has-tostringtag: 1.0.2
+      safe-regex-test: 1.1.0
+
+  is-regex@1.2.1:
+    dependencies:
+      call-bound: 1.0.4
+      gopd: 1.2.0
+      has-tostringtag: 1.0.2
+      hasown: 2.0.2
+
+  isarray@1.0.0: {}
+
+  keygrip@1.1.0:
+    dependencies:
+      tsscmp: 1.0.6
+
+  koa-bodyparser@4.4.1:
+    dependencies:
+      co-body: 6.2.0
+      copy-to: 2.0.1
+      type-is: 1.6.18
+
+  koa-compose@4.1.0: {}
+
+  koa-convert@2.0.0:
+    dependencies:
+      co: 4.6.0
+      koa-compose: 4.1.0
+
+  koa-router@12.0.1:
+    dependencies:
+      debug: 4.4.3
+      http-errors: 2.0.1
+      koa-compose: 4.1.0
+      methods: 1.1.2
+      path-to-regexp: 6.3.0
+    transitivePeerDependencies:
+      - supports-color
+
+  koa@2.16.3:
+    dependencies:
+      accepts: 1.3.8
+      cache-content-type: 1.0.1
+      content-disposition: 0.5.4
+      content-type: 1.0.5
+      cookies: 0.9.1
+      debug: 4.4.3
+      delegates: 1.0.0
+      depd: 2.0.0
+      destroy: 1.2.0
+      encodeurl: 1.0.2
+      escape-html: 1.0.3
+      fresh: 0.5.2
+      http-assert: 1.5.0
+      http-errors: 1.8.1
+      is-generator-function: 1.1.2
+      koa-compose: 4.1.0
+      koa-convert: 2.0.0
+      on-finished: 2.4.1
+      only: 0.0.2
+      parseurl: 1.3.3
+      statuses: 1.5.0
+      type-is: 1.6.18
+      vary: 1.1.2
+    transitivePeerDependencies:
+      - supports-color
+
+  math-intrinsics@1.1.0: {}
+
+  media-typer@0.3.0: {}
+
+  methods@1.1.2: {}
+
+  mime-db@1.52.0: {}
+
+  mime-types@2.1.35:
+    dependencies:
+      mime-db: 1.52.0
+
+  minimist@1.2.8: {}
+
+  mkdirp@0.5.6:
+    dependencies:
+      minimist: 1.2.8
+
+  ms@2.1.3: {}
+
+  multer@1.4.5-lts.2:
+    dependencies:
+      append-field: 1.0.0
+      busboy: 1.6.0
+      concat-stream: 1.6.2
+      mkdirp: 0.5.6
+      object-assign: 4.1.1
+      type-is: 1.6.18
+      xtend: 4.0.2
+
+  negotiator@0.6.3: {}
+
+  object-assign@4.1.1: {}
+
+  object-inspect@1.13.4: {}
+
+  on-finished@2.4.1:
+    dependencies:
+      ee-first: 1.1.1
+
+  only@0.0.2: {}
+
+  parseurl@1.3.3: {}
+
+  path-to-regexp@6.3.0: {}
+
+  process-nextick-args@2.0.1: {}
+
+  qs@6.14.1:
+    dependencies:
+      side-channel: 1.1.0
+
+  raw-body@2.5.3:
+    dependencies:
+      bytes: 3.1.2
+      http-errors: 2.0.1
+      iconv-lite: 0.4.24
+      unpipe: 1.0.0
+
+  readable-stream@2.3.8:
+    dependencies:
+      core-util-is: 1.0.3
+      inherits: 2.0.4
+      isarray: 1.0.0
+      process-nextick-args: 2.0.1
+      safe-buffer: 5.1.2
+      string_decoder: 1.1.1
+      util-deprecate: 1.0.2
+
+  safe-buffer@5.1.2: {}
+
+  safe-buffer@5.2.1: {}
+
+  safe-regex-test@1.1.0:
+    dependencies:
+      call-bound: 1.0.4
+      es-errors: 1.3.0
+      is-regex: 1.2.1
+
+  safer-buffer@2.1.2: {}
+
+  setprototypeof@1.2.0: {}
+
+  side-channel-list@1.0.0:
+    dependencies:
+      es-errors: 1.3.0
+      object-inspect: 1.13.4
+
+  side-channel-map@1.0.1:
+    dependencies:
+      call-bound: 1.0.4
+      es-errors: 1.3.0
+      get-intrinsic: 1.3.0
+      object-inspect: 1.13.4
+
+  side-channel-weakmap@1.0.2:
+    dependencies:
+      call-bound: 1.0.4
+      es-errors: 1.3.0
+      get-intrinsic: 1.3.0
+      object-inspect: 1.13.4
+      side-channel-map: 1.0.1
+
+  side-channel@1.1.0:
+    dependencies:
+      es-errors: 1.3.0
+      object-inspect: 1.13.4
+      side-channel-list: 1.0.0
+      side-channel-map: 1.0.1
+      side-channel-weakmap: 1.0.2
+
+  socket.io-adapter@2.5.6:
+    dependencies:
+      debug: 4.4.3
+      ws: 8.18.3
+    transitivePeerDependencies:
+      - bufferutil
+      - supports-color
+      - utf-8-validate
+
+  socket.io-parser@4.2.5:
+    dependencies:
+      '@socket.io/component-emitter': 3.1.2
+      debug: 4.4.3
+    transitivePeerDependencies:
+      - supports-color
+
+  socket.io@4.8.3:
+    dependencies:
+      accepts: 1.3.8
+      base64id: 2.0.0
+      cors: 2.8.5
+      debug: 4.4.3
+      engine.io: 6.6.5
+      socket.io-adapter: 2.5.6
+      socket.io-parser: 4.2.5
+    transitivePeerDependencies:
+      - bufferutil
+      - supports-color
+      - utf-8-validate
+
+  statuses@1.5.0: {}
+
+  statuses@2.0.2: {}
+
+  streamsearch@1.1.0: {}
+
+  string_decoder@1.1.1:
+    dependencies:
+      safe-buffer: 5.1.2
+
+  toidentifier@1.0.1: {}
+
+  tsscmp@1.0.6: {}
+
+  type-is@1.6.18:
+    dependencies:
+      media-typer: 0.3.0
+      mime-types: 2.1.35
+
+  typedarray@0.0.6: {}
+
+  undici-types@7.16.0: {}
+
+  unpipe@1.0.0: {}
+
+  util-deprecate@1.0.2: {}
+
+  vary@1.1.2: {}
+
+  ws@8.18.3: {}
+
+  ws@8.19.0: {}
+
+  xtend@4.0.2: {}
+
+  ylru@1.4.0: {}
--- a/server/routes/files.js
+++ b/server/routes/files.js
@ -0,0 +1,122 @@
+import Router from 'koa-router';
+import multer from '@koa/multer';
+import path from 'path';
+import fs from 'fs';
+
+const router = new Router({
+  prefix: '/api/files'
+});
+
+const uploadDir = path.join(process.cwd(), 'uploads');
+if (!fs.existsSync(uploadDir)) {
+  fs.mkdirSync(uploadDir, { recursive: true });
+}
+
+const storage = multer.diskStorage({
+  destination: (req, file, cb) => {
+    cb(null, uploadDir);
+  },
+  filename: (req, file, cb) => {
+    const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);
+    cb(null, uniqueSuffix + '-' + file.originalname);
+  }
+});
+
+const upload = multer({ storage });
+
+const fileTransfers = new Map();
+
+router.get('/info', async (ctx) => {
+  ctx.body = {
+    message: 'File API endpoint'
+  };
+});
+
+router.post('/metadata', async (ctx) => {
+  const { fileId, name, size, type, senderId, receiverId } = ctx.request.body;
+  
+  fileTransfers.set(fileId, {
+    fileId,
+    name,
+    size,
+    type,
+    senderId,
+    receiverId,
+    progress: 0,
+    status: 'pending',
+    createdAt: new Date()
+  });
+
+  ctx.body = {
+    success: true,
+    fileId,
+    message: 'File metadata registered'
+  };
+});
+
+router.get('/metadata/:fileId', async (ctx) => {
+  const { fileId } = ctx.params;
+  const fileData = fileTransfers.get(fileId);
+  
+  if (!fileData) {
+    ctx.status = 404;
+    ctx.body = {
+      error: 'File not found'
+    };
+    return;
+  }
+
+  ctx.body = fileData;
+});
+
+router.put('/progress/:fileId', async (ctx) => {
+  const { fileId } = ctx.params;
+  const { progress, status } = ctx.request.body;
+  
+  const fileData = fileTransfers.get(fileId);
+  if (fileData) {
+    fileData.progress = progress;
+    if (status) {
+      fileData.status = status;
+    }
+    
+    ctx.io?.to(fileData.senderId).emit('file-progress', {
+      fileId,
+      progress,
+      status
+    });
+    ctx.io?.to(fileData.receiverId).emit('file-progress', {
+      fileId,
+      progress,
+      status
+    });
+  }
+
+  ctx.body = {
+    success: true,
+    fileId,
+    progress
+  };
+});
+
+router.delete('/:fileId', async (ctx) => {
+  const { fileId } = ctx.params;
+  fileTransfers.delete(fileId);
+  
+  ctx.body = {
+    success: true,
+    message: 'File transfer cancelled'
+  };
+});
+
+router.get('/transfers', async (ctx) => {
+  const { userId } = ctx.query;
+  
+  const transfers = Array.from(fileTransfers.values()).filter(
+    transfer => transfer.senderId === userId || transfer.receiverId === userId
+  );
+  
+  ctx.body = transfers;
+});
+
+export default router;
--- a/server/routes/signal.js
+++ b/server/routes/signal.js
@ -0,0 +1,14 @@
+import Router from 'koa-router';
+
+const router = new Router({
+  prefix: '/api/signal'
+});
+
+router.get('/status', async (ctx) => {
+  ctx.body = {
+    status: 'ok',
+    message: 'Signal server is running'
+  };
+});
+
+export default router;
--- a/src-tauri/.gitignore
+++ b/src-tauri/.gitignore
@ -0,0 +1,7 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Generated by Tauri
+# will have schema files for capabilities auto-completion
+/gen/schemas
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@ -0,0 +1,25 @@
+[package]
+name = "p2p-transfer"
+version = "0.1.0"
+description = "A Tauri App"
+authors = ["you"]
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+# The `_lib` suffix may seem redundant but it is necessary
+# to make the lib name unique and wouldn't conflict with the bin name.
+# This seems to be only an issue on Windows, see https://github.com/rust-lang/cargo/issues/8519
+name = "p2p_transfer_lib"
+crate-type = ["staticlib", "cdylib", "rlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = [] }
+tauri-plugin-opener = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+
--- a/src-tauri/build.rs
+++ b/src-tauri/build.rs
@ -0,0 +1,3 @@
+fn main() {
+    tauri_build::build()
+}
--- a/src-tauri/capabilities/default.json
+++ b/src-tauri/capabilities/default.json
@ -0,0 +1,10 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "Capability for the main window",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "opener:default"
+  ]
+}
--- a/src-tauri/icons/128x128.png
+++ b/src-tauri/icons/128x128.png
--- a/src-tauri/icons/128x128@2x.png
+++ b/src-tauri/icons/128x128@2x.png
--- a/src-tauri/icons/32x32.png
+++ b/src-tauri/icons/32x32.png
--- a/src-tauri/icons/Square107x107Logo.png
+++ b/src-tauri/icons/Square107x107Logo.png
--- a/src-tauri/icons/Square142x142Logo.png
+++ b/src-tauri/icons/Square142x142Logo.png
--- a/src-tauri/icons/Square150x150Logo.png
+++ b/src-tauri/icons/Square150x150Logo.png
--- a/src-tauri/icons/Square284x284Logo.png
+++ b/src-tauri/icons/Square284x284Logo.png
--- a/src-tauri/icons/Square30x30Logo.png
+++ b/src-tauri/icons/Square30x30Logo.png
--- a/src-tauri/icons/Square310x310Logo.png
+++ b/src-tauri/icons/Square310x310Logo.png
--- a/src-tauri/icons/Square44x44Logo.png
+++ b/src-tauri/icons/Square44x44Logo.png
--- a/src-tauri/icons/Square71x71Logo.png
+++ b/src-tauri/icons/Square71x71Logo.png
--- a/src-tauri/icons/Square89x89Logo.png
+++ b/src-tauri/icons/Square89x89Logo.png
--- a/src-tauri/icons/StoreLogo.png
+++ b/src-tauri/icons/StoreLogo.png
--- a/src-tauri/icons/icon.icns
+++ b/src-tauri/icons/icon.icns
--- a/src-tauri/icons/icon.ico
+++ b/src-tauri/icons/icon.ico
--- a/src-tauri/icons/icon.png
+++ b/src-tauri/icons/icon.png
--- a/src-tauri/mocks/path.js
+++ b/src-tauri/mocks/path.js
@ -0,0 +1,3 @@
+export async function downloadDir() {
+  throw new Error('Tauri path API is only available in desktop environment');
+}
--- a/src-tauri/mocks/tauri.js
+++ b/src-tauri/mocks/tauri.js
@ -0,0 +1,3 @@
+export async function invoke(cmd, args) {
+  throw new Error('Tauri invoke is only available in desktop environment');
+}
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@ -0,0 +1,43 @@
+// Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
+#[tauri::command]
+fn greet(name: &str) -> String {
+    format!("Hello, {}! You've been greeted from Rust!", name)
+}
+
+#[tauri::command]
+async fn open_folder(path: String) -> Result<(), String> {
+    #[cfg(target_os = "windows")]
+    {
+        std::process::Command::new("explorer")
+            .arg(&path)
+            .spawn()
+            .map_err(|e| e.to_string())?;
+    }
+    
+    #[cfg(target_os = "macos")]
+    {
+        std::process::Command::new("open")
+            .arg(&path)
+            .spawn()
+            .map_err(|e| e.to_string())?;
+    }
+    
+    #[cfg(target_os = "linux")]
+    {
+        std::process::Command::new("xdg-open")
+            .arg(&path)
+            .spawn()
+            .map_err(|e| e.to_string())?;
+    }
+    
+    Ok(())
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    tauri::Builder::default()
+        .plugin(tauri_plugin_opener::init())
+        .invoke_handler(tauri::generate_handler![greet, open_folder])
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@ -0,0 +1,6 @@
+// Prevents additional console window on Windows in release, DO NOT REMOVE!!
+#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+
+fn main() {
+    p2p_transfer_lib::run()
+}
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@ -0,0 +1,35 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "p2p-transfer",
+  "version": "0.1.0",
+  "identifier": "com.cloyir.p2p-transfer",
+  "build": {
+    "beforeDevCommand": "pnpm dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "pnpm build",
+    "frontendDist": "../dist"
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "p2p-transfer",
+        "width": 800,
+        "height": 600
+      }
+    ],
+    "security": {
+      "csp": "default-src 'self'; connect-src 'self' http://localhost:3000 http://127.0.0.1:3000 ws://localhost:3000 ws://127.0.0.1:3000; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; font-src 'self' data:; media-src 'self' blob:;"
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ]
+  }
+}
--- a/src/App.vue
+++ b/src/App.vue
@ -0,0 +1,318 @@
+<script setup>
+import { ref, onMounted, onUnmounted } from 'vue';
+import { io } from 'socket.io-client';
+
+// 导入组件
+import Header from './components/Header.vue';
+import RoomControls from './components/RoomControls.vue';
+import UserList from './components/UserList.vue';
+import FileSend from './components/FileSend.vue';
+import TransferList from './components/TransferList.vue';
+import PendingTransfers from './components/PendingTransfers.vue';
+
+// 导入组合式函数
+import { useSocket } from './composables/useSocket.js';
+import { useWebRTC } from './composables/useWebRTC.js';
+import { useFileTransfer } from './composables/useFileTransfer.js';
+
+// 使用组合式函数
+const { socket, userId, nickname, connected, roomUsers, roomId, joinRoom, serverUrl, connectToServer, disconnectFromServer } = useSocket();
+const localServerUrl = ref(serverUrl.value);
+
+// 处理连接按钮点击
+function handleConnect() {
+  connectToServer(localServerUrl.value);
+}
+
+// 处理断开连接按钮点击
+function handleDisconnect() {
+  disconnectFromServer();
+}
+const { 
+  peerConnections, 
+  dataChannels, 
+  dataChannelReady, 
+  createPeerConnection, 
+  handleSignal, 
+  setupDataChannel, 
+  closePeerConnection 
+} = useWebRTC();
+const { 
+  transfers, 
+  pendingTransfers, 
+  selectedFile, 
+  handleDataMessage, 
+  sendFile, 
+  acceptFile, 
+  rejectFile, 
+  selectFile 
+} = useFileTransfer();
+
+// 连接用户
+async function connectToUser(socketId) {
+  console.log('Connecting to user:', socketId);
+  const pc = createPeerConnection(socket.value, socketId, (event, channel, id) => {
+    handleDataMessage(event, channel, id, userId.value, roomUsers.value);
+  });
+
+  // 创建offer
+  const offer = await pc.createOffer();
+  await pc.setLocalDescription(offer);
+
+  socket.value.emit('signal', {
+    targetSocketId: socketId,
+    signal: { type: 'offer', sdp: offer }
+  });
+}
+
+// 发送文件
+async function sendFileToUser(socketId) {
+  const channel = dataChannels.value.get(socketId);
+  if (channel) {
+    await sendFile(socketId, channel, userId.value);
+  }
+}
+
+// 接受文件
+function acceptFileRequest(fileId, senderSocketId) {
+  const channel = dataChannels.value.get(senderSocketId);
+  if (channel) {
+    acceptFile(fileId, senderSocketId, channel);
+  }
+}
+
+// 拒绝文件
+function rejectFileRequest(fileId, senderSocketId) {
+  const channel = dataChannels.value.get(senderSocketId);
+  if (channel) {
+    rejectFile(fileId, senderSocketId, channel);
+  }
+}
+
+// 处理加入房间事件
+function handleJoinRoom(newRoomId, newNickname) {
+  roomId.value = newRoomId;
+  joinRoom(newNickname);
+}
+
+// 处理断开连接事件
+function handleDisconnectUser(socketId) {
+  closePeerConnection(socketId);
+}
+
+// 监听信号
+onMounted(() => {
+  if (socket.value) {
+    socket.value.on('signal', async ({ senderSocketId, signal }) => {
+      await handleSignal(
+        socket.value, 
+        senderSocketId, 
+        signal, 
+        (channel, id) => {
+          setupDataChannel(
+            channel, 
+            id, 
+            (event, ch, socketId) => {
+              handleDataMessage(event, ch, socketId, userId.value, roomUsers.value);
+            }
+          );
+        }
+      );
+    });
+  }
+});
+
+// 清理资源
+onUnmounted(() => {
+  peerConnections.value.forEach(pc => pc.close());
+  dataChannels.value.forEach(dc => dc.close());
+});
+</script>
+
+<template>
+  <div class="app">
+    <Header />
+    <main class="container">
+    <h1>{{ $t('common.p2p_file_transfer') }}</h1>
+
+    <div class="status-bar">
+      <div class="status-info">
+        <span :class="{ connected: connected, disconnected: !connected }">
+          {{ connected ? $t('common.connected') : $t('common.disconnected') }}
+        </span>
+        <span>{{ $t('common.user_id') }}: {{ userId }}</span>
+      </div>
+      <div class="server-controls" v-if="peerConnections.size === 0">
+        <div class="server-url-input">
+          <label for="server-url">{{ $t('common.server_url') }}:</label>
+          <input 
+            type="text" 
+            id="server-url" 
+            v-model="localServerUrl" 
+            placeholder="http://localhost:3000" 
+            class="server-input"
+          />
+        </div>
+        <div class="connection-buttons">
+          <button 
+            @click="handleConnect" 
+            :disabled="connected" 
+            class="connect-btn"
+          >
+            {{ $t('common.connect') }}
+          </button>
+          <button 
+            @click="handleDisconnect" 
+            :disabled="!connected" 
+            class="disconnect-btn"
+          >
+            {{ $t('common.disconnect') }}
+          </button>
+        </div>
+      </div>
+    </div>
+
+    <RoomControls 
+      v-if="peerConnections.size === 0"
+      :connected="connected" 
+      @join-room="handleJoinRoom" 
+    />
+
+    <UserList 
+      :room-users="roomUsers" 
+      :peer-connections="peerConnections"
+      :room-id="roomId"
+      :current-socket-id="socket?.id"
+      @connect-user="connectToUser"
+      @disconnect-user="handleDisconnectUser"
+    />
+
+    <FileSend 
+      :peer-connections="peerConnections"
+      :room-users="roomUsers"
+      @send-file="sendFileToUser"
+      @select-file="selectFile"
+    />
+
+    <TransferList :transfers="transfers" />
+
+    <PendingTransfers 
+      :pending-transfers="pendingTransfers"
+      @accept-file="acceptFileRequest"
+      @reject-file="rejectFileRequest"
+    />
+  </main>
+  </div>
+</template>
+
+<style scoped>
+.container {
+  max-width: 800px;
+  margin: 0 auto;
+  padding: 20px;
+}
+
+h1 {
+  text-align: center;
+  color: #333;
+  margin-bottom: 30px;
+}
+
+.status-bar {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 10px 15px;
+  background: #f5f5f5;
+  border-radius: 8px;
+  margin-bottom: 20px;
+  flex-wrap: wrap;
+  gap: 15px;
+}
+
+.status-info {
+  display: flex;
+  gap: 15px;
+  align-items: center;
+}
+
+.server-controls {
+  display: flex;
+  gap: 15px;
+  align-items: center;
+  flex-wrap: wrap;
+}
+
+.server-url-input {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.server-input {
+  padding: 6px 10px;
+  border: 1px solid #ddd;
+  border-radius: 4px;
+  width: 250px;
+  font-size: 0.9em;
+}
+
+.connection-buttons {
+  display: flex;
+  gap: 8px;
+}
+
+.connect-btn {
+  padding: 6px 12px;
+  background: #4caf50;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 0.9em;
+}
+
+.disconnect-btn {
+  padding: 6px 12px;
+  background: #f44336;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  font-size: 0.9em;
+}
+
+.connect-btn:disabled,
+.disconnect-btn:disabled {
+  background: #ccc;
+  cursor: not-allowed;
+}
+
+.connected {
+  color: #4caf50;
+  font-weight: bold;
+}
+
+.disconnected {
+  color: #f44336;
+  font-weight: bold;
+}
+
+button {
+  transition: all 0.2s ease;
+}
+
+button:hover:not(:disabled) {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+button:active:not(:disabled) {
+  transform: translateY(0);
+}
+
+input:focus {
+  outline: none;
+  border-color: #2196f3;
+}
+</style>
--- a/src/assets/vue.svg
+++ b/src/assets/vue.svg
@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="37.07" height="36" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 198"><path fill="#41B883" d="M204.8 0H256L128 220.8L0 0h97.92L128 51.2L157.44 0h47.36Z"></path><path fill="#41B883" d="m0 0l128 220.8L256 0h-51.2L128 132.48L50.56 0H0Z"></path><path fill="#35495E" d="M50.56 0L128 133.12L204.8 0h-47.36L128 51.2L97.92 0H50.56Z"></path></svg>
--- a/src/components/FileSend.vue
+++ b/src/components/FileSend.vue
@ -0,0 +1,150 @@
+<template>
+  <div class="section" v-if="peerConnections.size > 0">
+    <h2>{{ $t('file_transfer.send_file') }}</h2>
+    <div class="file-controls">
+      <input type="file" @change="selectFile" ref="fileInput" class="file-input" />
+      <button @click="triggerFileSelect" class="select-file-btn">
+        {{ $t('file_transfer.select_file') }}
+      </button>
+      <div class="selected-file" v-if="selectedFile">
+        {{ selectedFile.name }}
+      </div>
+      <div class="send-buttons">
+        <button 
+          v-for="[socketId] in peerConnections" 
+          :key="socketId" 
+          @click="sendFileToUser(socketId)"
+          :disabled="!selectedFile"
+          class="send-btn"
+        >
+          {{ $t('file_transfer.send_to') }} {{ getUserName(socketId) }}
+        </button>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+
+// 定义组件props
+const props = defineProps({
+  peerConnections: {
+    type: Map,
+    required: true
+  },
+  roomUsers: {
+    type: Array,
+    required: true
+  }
+});
+
+// 定义组件emit事件
+const emit = defineEmits(['sendFile', 'selectFile']);
+
+// 组件内部状态
+const selectedFile = ref(null);
+const fileInput = ref(null);
+
+// 触发文件选择
+function triggerFileSelect() {
+  fileInput.value.click();
+}
+
+// 选择文件
+function selectFile(event) {
+  selectedFile.value = event.target.files[0];
+  emit('selectFile', event.target.files[0]);
+}
+
+// 发送文件给特定用户
+function sendFileToUser(socketId) {
+  if (selectedFile.value) {
+    emit('sendFile', socketId);
+  }
+}
+
+// 获取用户名称
+function getUserName(socketId) {
+  const user = props.roomUsers.find(u => u.socketId === socketId);
+  return user?.nickname || user?.userId || socketId;
+}
+</script>
+
+<style scoped>
+.section {
+  background: white;
+  padding: 20px;
+  border-radius: 8px;
+  margin-bottom: 20px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+.file-controls {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+.file-input {
+  display: none;
+}
+
+.select-file-btn {
+  padding: 10px 20px;
+  background: #2196f3;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  align-self: flex-start;
+}
+
+.select-file-btn:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.select-file-btn:active {
+  transform: translateY(0);
+}
+
+.selected-file {
+  padding: 10px;
+  background: #e3f2fd;
+  border-radius: 4px;
+  color: #1976d2;
+  font-weight: bold;
+}
+
+.send-buttons {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 10px;
+}
+
+.send-btn {
+  padding: 10px 20px;
+  background: #4caf50;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.send-btn:disabled {
+  background: #ccc;
+  cursor: not-allowed;
+}
+
+.send-btn:hover:not(:disabled) {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.send-btn:active:not(:disabled) {
+  transform: translateY(0);
+}
+</style>
--- a/src/components/Header.vue
+++ b/src/components/Header.vue
@ -0,0 +1,120 @@
+<template>
+  <header class="header">
+    <div class="header-container">
+      <h1 class="logo">{{ $t('common.p2p_file_transfer') }}</h1>
+      <div class="header-right">
+        <div class="language-selector">
+          <label for="language">{{ $t('common.language') }}:</label>
+          <select 
+            id="language" 
+            v-model="selectedLanguage" 
+            @change="changeLanguage"
+          >
+            <option value="zh-CN">{{ $t('common.chinese') }}</option>
+            <option value="en-US">{{ $t('common.english') }}</option>
+          </select>
+        </div>
+      </div>
+    </div>
+  </header>
+</template>
+
+<script setup>
+import { ref, onMounted } from 'vue';
+import { useI18n } from 'vue-i18n';
+
+const { locale } = useI18n();
+const selectedLanguage = ref(locale.value);
+
+// 切换语言
+function changeLanguage() {
+  locale.value = selectedLanguage.value;
+  localStorage.setItem('p2p-language', selectedLanguage.value);
+}
+
+// 从本地存储恢复语言设置
+onMounted(() => {
+  const savedLanguage = localStorage.getItem('p2p-language');
+  if (savedLanguage) {
+    selectedLanguage.value = savedLanguage;
+    locale.value = savedLanguage;
+  }
+});
+</script>
+
+<style scoped>
+.header {
+  background-color: #2196f3;
+  color: white;
+  padding: 1rem 0;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+  position: sticky;
+  top: 0;
+  z-index: 100;
+}
+
+.header-container {
+  max-width: 800px;
+  margin: 0 auto;
+  padding: 0 20px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.logo {
+  margin: 0;
+  font-size: 1.5rem;
+  font-weight: bold;
+}
+
+.header-right {
+  display: flex;
+  align-items: center;
+  gap: 1rem;
+}
+
+.language-selector {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
+.language-selector label {
+  font-size: 0.9rem;
+}
+
+.language-selector select {
+  padding: 0.4rem 0.8rem;
+  border: none;
+  border-radius: 4px;
+  background-color: rgba(255, 255, 255, 0.2);
+  color: white;
+  font-size: 0.9rem;
+  cursor: pointer;
+  outline: none;
+}
+
+.language-selector select option {
+  color: #333;
+  background-color: white;
+}
+
+/* 响应式设计 */
+@media (max-width: 600px) {
+  .header-container {
+    flex-direction: column;
+    gap: 1rem;
+    padding: 0 10px;
+  }
+  
+  .header-right {
+    width: 100%;
+    justify-content: center;
+  }
+  
+  .logo {
+    font-size: 1.2rem;
+  }
+}
+</style>
--- a/src/components/PendingTransfers.vue
+++ b/src/components/PendingTransfers.vue
@ -0,0 +1,138 @@
+<template>
+  <div class="section" v-if="pendingTransfers.length > 0">
+    <h2>{{ $t('file_transfer.pending_transfers') }}</h2>
+    <div class="transfer-list">
+      <div v-for="transfer in pendingTransfers" :key="transfer.fileId" class="transfer-item">
+        <div class="transfer-info">
+          <span class="transfer-name">{{ transfer.name }}</span>
+          <span class="transfer-size">{{ formatFileSize(transfer.size) }}</span>
+          <span class="transfer-sender">{{ $t('file_transfer.from') }}: {{ transfer.senderNickname }}</span>
+        </div>
+        <div class="transfer-actions">
+          <button @click="acceptFile(transfer.fileId, transfer.senderId)" class="accept-btn">{{ $t('file_transfer.accept') }}</button>
+          <button @click="rejectFile(transfer.fileId, transfer.senderId)" class="reject-btn">{{ $t('file_transfer.reject') }}</button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+
+// 定义组件props
+const props = defineProps({
+  pendingTransfers: {
+    type: Array,
+    required: true
+  }
+});
+
+// 定义组件emit事件
+const emit = defineEmits(['acceptFile', 'rejectFile']);
+
+// 格式化文件大小
+function formatFileSize(bytes) {
+  if (bytes === 0) return '0 Bytes';
+  const k = 1024;
+  const sizes = ['Bytes', 'KB', 'MB', 'GB'];
+  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
+}
+
+// 接受文件
+function acceptFile(fileId, senderId) {
+  emit('acceptFile', fileId, senderId);
+}
+
+// 拒绝文件
+function rejectFile(fileId, senderId) {
+  emit('rejectFile', fileId, senderId);
+}
+</script>
+
+<style scoped>
+.section {
+  background: white;
+  padding: 20px;
+  border-radius: 8px;
+  margin-bottom: 20px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+.transfer-list {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+.transfer-item {
+  padding: 15px;
+  background: #f9f9f9;
+  border-radius: 4px;
+}
+
+.transfer-info {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 10px;
+  flex-wrap: wrap;
+  gap: 10px;
+}
+
+.transfer-name {
+  font-weight: bold;
+  color: #333;
+}
+
+.transfer-size {
+  color: #666;
+  font-size: 0.9em;
+}
+
+.transfer-sender {
+  padding: 4px 8px;
+  border-radius: 4px;
+  font-size: 0.85em;
+  background: #e3f2fd;
+  color: #1976d2;
+}
+
+.transfer-actions {
+  display: flex;
+  gap: 10px;
+  margin-top: 10px;
+}
+
+.accept-btn {
+  padding: 8px 16px;
+  background: #4caf50;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.reject-btn {
+  padding: 8px 16px;
+  background: #f44336;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.accept-btn:hover,
+.reject-btn:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.accept-btn:active,
+.reject-btn:active {
+  transform: translateY(0);
+}
+</style>
--- a/src/components/RoomControls.vue
+++ b/src/components/RoomControls.vue
@ -0,0 +1,84 @@
+<template>
+  <div class="section">
+    <h2>{{ $t('room.join_room') }}</h2>
+    <div class="room-controls">
+      <input v-model="nickname" :placeholder="$t('room.nickname')" class="room-input" />
+      <input v-model="roomId" :placeholder="$t('room.room_id')" class="room-input" />
+      <button @click="joinRoom" :disabled="!roomId || !connected">
+        {{ $t('room.join') }}
+      </button>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+
+// 定义组件props
+const props = defineProps({
+  connected: {
+    type: Boolean,
+    required: true
+  }
+});
+
+// 定义组件emit事件
+const emit = defineEmits(['joinRoom']);
+
+// 定义组件内部状态
+const roomId = ref('');
+const nickname = ref(localStorage.getItem('p2p-nickname') || '');
+
+// 处理加入房间事件
+function joinRoom() {
+  if (roomId.value) {
+    emit('joinRoom', roomId.value, nickname.value);
+  }
+}
+</script>
+
+<style scoped>
+.section {
+  background: white;
+  padding: 20px;
+  border-radius: 8px;
+  margin-bottom: 20px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+.room-controls {
+  display: flex;
+  gap: 10px;
+}
+
+.room-input {
+  flex: 1;
+  padding: 10px;
+  border: 1px solid #ddd;
+  border-radius: 4px;
+}
+
+button {
+  padding: 10px 20px;
+  background: #2196f3;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+button:disabled {
+  background: #ccc;
+  cursor: not-allowed;
+}
+
+button:hover:not(:disabled) {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+button:active:not(:disabled) {
+  transform: translateY(0);
+}
+</style>
--- a/src/components/TransferList.vue
+++ b/src/components/TransferList.vue
@ -0,0 +1,151 @@
+<template>
+  <div class="section" v-if="transfers.length > 0">
+    <h2>{{ $t('file_transfer.transfers') }}</h2>
+    <div class="transfer-list">
+      <div v-for="transfer in transfers" :key="transfer.fileId" class="transfer-item">
+        <div class="transfer-info">
+          <span class="transfer-name">{{ transfer.name }}</span>
+          <span class="transfer-size">{{ formatFileSize(transfer.size) }}</span>
+          <span class="transfer-direction" :class="transfer.direction">{{ $t(`file_transfer.${transfer.direction}`) }}</span>
+          <span class="transfer-status" :class="transfer.status">{{ $t(`file_transfer.${transfer.status}`) }}</span>
+        </div>
+        <div class="progress-bar">
+          <div class="progress-fill" :style="{ width: transfer.progress + '%' }"></div>
+        </div>
+        <span class="progress-text">{{ transfer.progress }}%</span>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+
+// 定义组件props
+const props = defineProps({
+  transfers: {
+    type: Array,
+    required: true
+  }
+});
+
+// 格式化文件大小
+function formatFileSize(bytes) {
+  if (bytes === 0) return '0 Bytes';
+  const k = 1024;
+  const sizes = ['Bytes', 'KB', 'MB', 'GB'];
+  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
+}
+</script>
+
+<style scoped>
+.section {
+  background: white;
+  padding: 20px;
+  border-radius: 8px;
+  margin-bottom: 20px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+.transfer-list {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+.transfer-item {
+  padding: 15px;
+  background: #f9f9f9;
+  border-radius: 4px;
+}
+
+.transfer-info {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 10px;
+  flex-wrap: wrap;
+  gap: 10px;
+}
+
+.transfer-name {
+  font-weight: bold;
+  color: #333;
+}
+
+.transfer-size {
+  color: #666;
+  font-size: 0.9em;
+}
+
+.transfer-direction {
+  padding: 4px 8px;
+  border-radius: 4px;
+  font-size: 0.85em;
+  text-transform: capitalize;
+}
+
+.transfer-direction.incoming {
+  background: #e3f2fd;
+  color: #1976d2;
+}
+
+.transfer-direction.outgoing {
+  background: #e8f5e9;
+  color: #388e3c;
+}
+
+.transfer-status {
+  padding: 4px 8px;
+  border-radius: 4px;
+  font-size: 0.85em;
+  text-transform: capitalize;
+}
+
+.transfer-status.sending,
+.transfer-status.receiving {
+  background: #fff3e0;
+  color: #f57c00;
+}
+
+.transfer-status.completed {
+  background: #e8f5e9;
+  color: #388e3c;
+}
+
+.transfer-status.failed {
+  background: #ffebee;
+  color: #d32f2f;
+}
+
+.transfer-status.rejected {
+  background: #ffebee;
+  color: #d32f2f;
+}
+
+.transfer-status.waiting {
+  background: #fff3e0;
+  color: #f57c00;
+}
+
+.progress-bar {
+  height: 8px;
+  background: #e0e0e0;
+  border-radius: 4px;
+  overflow: hidden;
+  margin-bottom: 5px;
+}
+
+.progress-fill {
+  height: 100%;
+  background: linear-gradient(90deg, #2196f3, #4caf50);
+  transition: width 0.3s ease;
+}
+
+.progress-text {
+  font-size: 0.85em;
+  color: #666;
+  text-align: right;
+}
+</style>
--- a/src/components/UserList.vue
+++ b/src/components/UserList.vue
@ -0,0 +1,183 @@
+<template>
+  <div class="section" v-if="roomId">
+    <h2>{{ $t('room.users_in_room') }}</h2>
+    <div class="room-info">
+      <span class="room-id">{{ $t('room.room_id') }}: {{ roomId }}</span>
+      <span class="user-count">{{ $t('room.users_in_room') }}: {{ roomUsers.length }}</span>
+    </div>
+    <div class="user-list">
+      <div 
+        v-for="user in roomUsers" 
+        :key="user.socketId" 
+        class="user-item" 
+        :class="{ 'current-user': isCurrentUser(user.socketId) }"
+      >
+        <span class="user-id">
+          {{ user.nickname || user.userId }}
+          <span v-if="isCurrentUser(user.socketId)" class="current-user-tag">(You)</span>
+        </span>
+        <div class="user-actions">
+          <button 
+            @click="connectToUser(user.socketId)" 
+            :disabled="isCurrentUser(user.socketId) || peerConnections.has(user.socketId)"
+            class="connect-btn"
+          >
+            {{ isCurrentUser(user.socketId) ? $t('common.connected') : peerConnections.has(user.socketId) ? $t('file_transfer.connected') : $t('file_transfer.connect') }}
+          </button>
+          <button 
+            v-if="peerConnections.has(user.socketId) && !isCurrentUser(user.socketId)"
+            @click="disconnectFromUser(user.socketId)"
+            class="disconnect-btn"
+          >
+            {{ $t('common.disconnect') }}
+          </button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+
+// 定义组件props
+const props = defineProps({
+  roomUsers: {
+    type: Array,
+    required: true
+  },
+  peerConnections: {
+    type: Map,
+    required: true
+  },
+  roomId: {
+    type: String,
+    default: ''
+  },
+  currentSocketId: {
+    type: String,
+    default: ''
+  }
+});
+
+// 定义组件emit事件
+const emit = defineEmits(['connectUser', 'disconnectUser']);
+
+// 判断是否为当前用户
+function isCurrentUser(socketId) {
+  return socketId === props.currentSocketId;
+}
+
+// 处理连接用户事件
+function connectToUser(socketId) {
+  emit('connectUser', socketId);
+}
+
+// 处理断开连接事件
+function disconnectFromUser(socketId) {
+  emit('disconnectUser', socketId);
+}
+</script>
+
+<style scoped>
+.section {
+  background: white;
+  padding: 20px;
+  border-radius: 8px;
+  margin-bottom: 20px;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
+.room-info {
+  display: flex;
+  gap: 15px;
+  margin-bottom: 15px;
+  padding: 10px;
+  background: #f5f5f5;
+  border-radius: 4px;
+}
+
+.room-id {
+  font-weight: bold;
+  color: #2196f3;
+}
+
+.user-count {
+  color: #666;
+  font-size: 0.9em;
+}
+
+.user-list {
+  display: flex;
+  flex-direction: column;
+  gap: 10px;
+}
+
+.user-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 10px;
+  background: #f9f9f9;
+  border-radius: 4px;
+}
+
+.user-actions {
+  display: flex;
+  gap: 8px;
+}
+
+.user-item.current-user {
+  background: #e3f2fd;
+  border: 1px solid #2196f3;
+}
+
+.user-id {
+  font-family: monospace;
+  color: #333;
+}
+
+.current-user-tag {
+  color: #2196f3;
+  font-weight: bold;
+  margin-left: 5px;
+  font-size: 0.8em;
+}
+
+.connect-btn {
+  padding: 8px 16px;
+  background: #2196f3;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.disconnect-btn {
+  padding: 8px 16px;
+  background: #f44336;
+  color: white;
+  border: none;
+  border-radius: 4px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.connect-btn:disabled,
+.disconnect-btn:disabled {
+  background: #ccc;
+  cursor: not-allowed;
+}
+
+.connect-btn:hover:not(:disabled),
+.disconnect-btn:hover:not(:disabled) {
+  transform: translateY(-1px);
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+.connect-btn:active:not(:disabled),
+.disconnect-btn:active:not(:disabled) {
+  transform: translateY(0);
+}
+</style>
--- a/src/composables/useFileTransfer.js
+++ b/src/composables/useFileTransfer.js
@ -0,0 +1,332 @@
+import { ref } from 'vue';
+
+export function useFileTransfer() {
+  const transfers = ref([]);
+  const pendingTransfers = ref([]);
+  const selectedFile = ref(null);
+
+  function handleDataMessage(event, channel, socketId, userId, roomUsers) {
+    try {
+      console.log('Raw message from', socketId, ':', event.data);
+      let data;
+      
+      // 尝试解析JSON
+      if (typeof event.data === 'string') {
+        data = JSON.parse(event.data);
+      } else {
+        console.error('Received non-string message:', typeof event.data);
+        return;
+      }
+      
+      console.log('Parsed message data:', data);
+      console.log('Received message type:', data.type, 'from', socketId);
+
+      if (data.type === 'ping') {
+        console.log('Received ping from:', socketId, ', sending pong');
+        try {
+          channel.send(JSON.stringify({ type: 'pong' }));
+        } catch (error) {
+          console.error('Error sending pong:', error);
+        }
+      } else if (data.type === 'pong') {
+        console.log('Received pong from:', socketId, ', data channel is ready');
+      } else if (data.type === 'file-request') {
+        console.log('Received file request:', data);
+        const sender = roomUsers.find(u => u.socketId === socketId);
+        const pendingTransfer = {
+          fileId: data.fileId,
+          name: data.name,
+          size: data.size,
+          type: data.fileType,
+          senderId: socketId,
+          senderNickname: sender?.nickname || sender?.userId || socketId,
+          receiverId: userId,
+          direction: 'incoming',
+          status: 'pending',
+          receivedSize: 0,
+          chunks: []
+        };
+        pendingTransfers.value.push(pendingTransfer);
+      } else if (data.type === 'file-accept') {
+        console.log('File accepted, starting transfer:', data.fileId);
+        startFileTransfer(data.fileId, socketId, channel);
+      } else if (data.type === 'file-reject') {
+        console.log('File rejected:', data.fileId);
+        const transfer = transfers.value.find(t => t.fileId === data.fileId);
+        if (transfer) {
+          transfer.status = 'rejected';
+        }
+      } else if (data.type === 'file-start') {
+        console.log('Received file start:', data);
+        const transfer = {
+          fileId: data.fileId,
+          name: data.name,
+          size: data.size,
+          type: data.fileType,
+          senderId: socketId,
+          receiverId: userId,
+          direction: 'incoming',
+          progress: 0,
+          status: 'receiving',
+          receivedSize: 0,
+          chunks: []
+        };
+        transfers.value.push(transfer);
+      } else if (data.type === 'file-chunk') {
+        const transfer = transfers.value.find(t => t.fileId === data.fileId);
+        if (transfer && transfer.status !== 'completed') {
+          transfer.chunks.push(new Uint8Array(data.chunk));
+          transfer.receivedSize += data.chunk.length;
+          transfer.progress = Math.round((transfer.receivedSize / transfer.size) * 100);
+          console.log('Received chunk:', transfer.receivedSize, '/', transfer.size, '(', transfer.progress, '%)');
+        }
+      } else if (data.type === 'file-end') {
+        const transfer = transfers.value.find(t => t.fileId === data.fileId);
+        if (transfer && transfer.status !== 'completed') {
+          transfer.status = 'completed';
+          console.log('File transfer completed, downloading:', transfer.name);
+          downloadFile(transfer);
+        }
+      } else {
+        console.warn('Unknown message type:', data.type, 'from', socketId);
+      }
+    } catch (error) {
+      console.error('Error parsing message:', error);
+      console.log('Raw message data:', event.data);
+      console.log('Message type:', typeof event.data);
+    }
+  }
+
+  async function sendFile(socketId, channel, userId) {
+    if (!selectedFile.value) return;
+
+    const fileId = 'file_' + Date.now();
+    
+    if (!channel) {
+      alert('No data channel found. Please connect first.');
+      return;
+    }
+
+    if (channel.readyState !== 'open') {
+      alert('Data channel not ready. Connection state: ' + channel.readyState);
+      return;
+    }
+
+    const transfer = {
+      fileId,
+      name: selectedFile.value.name,
+      size: selectedFile.value.size,
+      type: selectedFile.value.type,
+      senderId: userId,
+      receiverId: socketId,
+      direction: 'outgoing',
+      progress: 0,
+      status: 'waiting',
+      sentSize: 0
+    };
+    transfers.value.push(transfer);
+
+    console.log('Sending file request:', transfer);
+
+    try {
+      const fileRequest = {
+        type: 'file-request',
+        fileId,
+        name: selectedFile.value.name,
+        size: selectedFile.value.size,
+        fileType: selectedFile.value.type
+      };
+      
+      console.log('Preparing to send file request:', fileRequest);
+      console.log('JSON string:', JSON.stringify(fileRequest));
+      
+      channel.send(JSON.stringify(fileRequest));
+      console.log('Sent file request message, bufferedAmount:', channel.bufferedAmount);
+    } catch (error) {
+      console.error('Error sending file request:', error);
+      transfer.status = 'failed';
+      alert('Failed to send file request: ' + error.message);
+    }
+  }
+
+  async function startFileTransfer(fileId, socketId, channel) {
+    const transfer = transfers.value.find(t => t.fileId === fileId);
+    if (!transfer) return;
+
+    transfer.status = 'sending';
+    console.log('Starting file transfer:', transfer);
+    console.log('Data channel state:', channel.readyState);
+    console.log('Data channel bufferedAmount:', channel.bufferedAmount);
+
+    try {
+        channel.send(JSON.stringify({
+          type: 'file-start',
+          fileId,
+          name: transfer.name,
+          size: transfer.size,
+          fileType: transfer.type
+        }));
+      console.log('Sent file-start message');
+
+      const chunkSize = 4096; // Reduced chunk size to prevent message size limits
+      let offset = 0;
+      let chunkCount = 0;
+
+      const sendChunk = async () => {
+        if (offset >= transfer.size) {
+          console.log('All chunks sent, sending file-end');
+          try {
+            const fileEndMessage = JSON.stringify({
+              type: 'file-end',
+              fileId
+            });
+            channel.send(fileEndMessage);
+            console.log('Sent file-end message, bufferedAmount:', channel.bufferedAmount);
+          } catch (error) {
+            console.error('Error sending file-end message:', error);
+          }
+          transfer.status = 'completed';
+          console.log('File transfer completed:', fileId, 'Total chunks:', chunkCount);
+          return;
+        }
+
+        const end = Math.min(offset + chunkSize, transfer.size);
+        const slice = selectedFile.value.slice(offset, end);
+        
+        try {
+          const arrayBuffer = await slice.arrayBuffer();
+          const uint8Array = new Uint8Array(arrayBuffer);
+          
+          // 注意：JSON.stringify不能直接处理Uint8Array，需要转换为普通数组
+          const chunkData = {
+            type: 'file-chunk',
+            fileId,
+            chunk: Array.from(uint8Array)
+          };
+          
+          const jsonString = JSON.stringify(chunkData);
+          
+          if (channel.bufferedAmount > 16 * 1024 * 1024) {
+            console.log('Buffer full (' + channel.bufferedAmount + '), waiting...');
+            setTimeout(sendChunk, 100);
+            return;
+          }
+
+          console.log('Sending chunk', chunkCount + 1, 'offset:', offset, 'size:', uint8Array.length);
+          channel.send(jsonString);
+          console.log('Sent chunk, bufferedAmount:', channel.bufferedAmount);
+          
+          chunkCount++;
+          offset = end;
+          transfer.sentSize = offset;
+          transfer.progress = Math.round((offset / transfer.size) * 100);
+
+          if (offset < transfer.size) {
+            setTimeout(sendChunk, 10);
+          } else {
+            console.log('All chunks sent, sending file-end');
+            try {
+              const fileEndMessage = JSON.stringify({
+                type: 'file-end',
+                fileId
+              });
+              channel.send(fileEndMessage);
+              console.log('Sent file-end message, bufferedAmount:', channel.bufferedAmount);
+            } catch (error) {
+              console.error('Error sending file-end message:', error);
+            }
+            transfer.status = 'completed';
+            console.log('File transfer completed:', fileId, 'Total chunks:', chunkCount);
+          }
+        } catch (error) {
+          console.error('Error sending chunk:', error);
+          transfer.status = 'failed';
+        }
+      };
+
+      sendChunk();
+    } catch (error) {
+      console.error('Error sending file:', error);
+      transfer.status = 'failed';
+      alert('Failed to send file: ' + error.message);
+    }
+  }
+
+  function acceptFile(fileId, senderSocketId, channel) {
+    const pendingTransfer = pendingTransfers.value.find(t => t.fileId === fileId);
+    if (!pendingTransfer) return;
+
+    try {
+      channel.send(JSON.stringify({
+        type: 'file-accept',
+        fileId
+      }));
+      console.log('Sent file accept message');
+
+      pendingTransfers.value = pendingTransfers.value.filter(t => t.fileId !== fileId);
+    } catch (error) {
+      console.error('Error accepting file:', error);
+      alert('Failed to accept file: ' + error.message);
+    }
+  }
+
+  function rejectFile(fileId, senderSocketId, channel) {
+    const pendingTransfer = pendingTransfers.value.find(t => t.fileId === fileId);
+    if (!pendingTransfer) return;
+
+    try {
+      channel.send(JSON.stringify({
+        type: 'file-reject',
+        fileId
+      }));
+      console.log('Sent file reject message');
+
+      pendingTransfers.value = pendingTransfers.value.filter(t => t.fileId !== fileId);
+    } catch (error) {
+      console.error('Error rejecting file:', error);
+      alert('Failed to reject file: ' + error.message);
+    }
+  }
+
+  function selectFile(fileOrEvent) {
+    if (fileOrEvent && typeof fileOrEvent === 'object') {
+      if (fileOrEvent.target && fileOrEvent.target.files) {
+        // 处理事件对象
+        selectedFile.value = fileOrEvent.target.files[0];
+      } else {
+        // 直接处理文件对象
+        selectedFile.value = fileOrEvent;
+      }
+    }
+  }
+
+  function downloadFile(transfer) {
+    try {
+      console.log('Downloading file:', transfer.name, 'with', transfer.chunks.length, 'chunks');
+      const blob = new Blob(transfer.chunks, { type: transfer.type || 'application/octet-stream' });
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = transfer.name;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      URL.revokeObjectURL(url);
+      console.log('File downloaded successfully');
+    } catch (error) {
+      console.error('Error downloading file:', error);
+      alert('Failed to download file: ' + error.message);
+    }
+  }
+
+  return {
+    transfers,
+    pendingTransfers,
+    selectedFile,
+    handleDataMessage,
+    sendFile,
+    acceptFile,
+    rejectFile,
+    selectFile
+  };
+}
--- a/src/composables/useSocket.js
+++ b/src/composables/useSocket.js
@ -0,0 +1,117 @@
+import { ref, onMounted, onUnmounted } from 'vue';
+import { io } from 'socket.io-client';
+import { generateUserId } from '../utils';
+
+function isTauri() {
+  return window.__TAURI__ !== undefined;
+}
+
+export function useSocket() {
+  const socket = ref(null);
+  const userId = ref('');
+  const nickname = ref('');
+  const connected = ref(false);
+  const roomUsers = ref([]);
+  const roomId = ref('');
+  const serverUrl = ref(localStorage.getItem('p2p-server-url') || 'http://localhost:3000');
+
+  onMounted(() => {
+    userId.value = generateUserId();
+    nickname.value = localStorage.getItem('p2p-nickname') || '';
+    connectToServer(serverUrl.value);
+  });
+
+  onUnmounted(() => {
+    if (socket.value) {
+      socket.value.disconnect();
+    }
+  });
+
+  function connectToServer(url) {
+    if (socket.value) {
+      socket.value.disconnect();
+    }
+    
+    serverUrl.value = url;
+    localStorage.setItem('p2p-server-url', url);
+    
+    const socketOptions = {
+      transports: ['websocket', 'polling'],
+      reconnection: true,
+      reconnectionAttempts: 5,
+      reconnectionDelay: 1000,
+      reconnectionDelayMax: 5000,
+      timeout: 10000,
+      autoConnect: true
+    };
+
+    if (isTauri()) {
+      socketOptions.withCredentials = true;
+      socketOptions.extraHeaders = {
+        'User-Agent': 'Tauri-App'
+      };
+    } else {
+      socketOptions.withCredentials = false;
+    }
+    
+    socket.value = io(url, socketOptions);
+
+    socket.value.on('connect', () => {
+      connected.value = true;
+      console.log('Connected to server:', url);
+    });
+
+    socket.value.on('disconnect', () => {
+      connected.value = false;
+      console.log('Disconnected from server');
+    });
+
+    socket.value.on('room-users', (users) => {
+      roomUsers.value = users;
+    });
+
+    socket.value.on('user-joined', ({ userId: newUserId, socketId, nickname: newNickname }) => {
+      if (!roomUsers.value.find(u => u.socketId === socketId)) {
+        roomUsers.value.push({ userId: newUserId, socketId, nickname: newNickname });
+      }
+    });
+
+    socket.value.on('user-left', ({ userId: leftUserId, socketId }) => {
+      roomUsers.value = roomUsers.value.filter(u => u.socketId !== socketId);
+    });
+  }
+
+  function disconnectFromServer() {
+    if (socket.value) {
+      socket.value.disconnect();
+      connected.value = false;
+    }
+  }
+
+  function joinRoom(newNickname) {
+    if (roomId.value && socket.value) {
+      if (newNickname) {
+        nickname.value = newNickname;
+        localStorage.setItem('p2p-nickname', newNickname);
+      }
+      socket.value.emit('join-room', { 
+        roomId: roomId.value, 
+        userId: userId.value,
+        nickname: nickname.value 
+      });
+    }
+  }
+
+  return {
+    socket,
+    userId,
+    nickname,
+    connected,
+    roomUsers,
+    roomId,
+    serverUrl,
+    joinRoom,
+    connectToServer,
+    disconnectFromServer
+  };
+}
--- a/src/composables/useWebRTC.js
+++ b/src/composables/useWebRTC.js
@ -0,0 +1,165 @@
+import { ref } from 'vue';
+
+export function useWebRTC() {
+  const peerConnections = ref(new Map());
+  const dataChannels = ref(new Map());
+  const dataChannelReady = ref(new Map());
+
+  function createPeerConnection(socket, senderSocketId, signalHandler) {
+    console.log('Creating peer connection to:', senderSocketId);
+
+    const config = {
+      iceServers: [
+        { urls: 'stun:stun.l.google.com:19302' },
+        { urls: 'stun:stun1.l.google.com:19302' }
+      ]
+    };
+
+    const pc = new RTCPeerConnection(config);
+    peerConnections.value.set(senderSocketId, pc);
+
+    pc.onicecandidate = (event) => {
+      if (event.candidate) {
+        console.log('Sending ICE candidate to:', senderSocketId);
+        socket.emit('signal', {
+          targetSocketId: senderSocketId,
+          signal: { type: 'candidate', candidate: event.candidate }
+        });
+      }
+    };
+
+    pc.onconnectionstatechange = () => {
+      console.log('Connection state with', senderSocketId, ':', pc.connectionState);
+    };
+
+    pc.oniceconnectionstatechange = () => {
+      console.log('ICE connection state with', senderSocketId, ':', pc.iceConnectionState);
+    };
+
+    const dataChannel = pc.createDataChannel('fileTransfer', {
+      ordered: true
+    });
+    setupDataChannel(dataChannel, senderSocketId, signalHandler);
+    dataChannels.value.set(senderSocketId, dataChannel);
+    dataChannelReady.value.set(senderSocketId, false);
+
+    return pc;
+  }
+
+  async function handleSignal(socket, senderSocketId, signal, setupDataChannelCallback) {
+    console.log('Received signal from', senderSocketId, ':', signal.type);
+
+    let pc = peerConnections.value.get(senderSocketId);
+
+    if (signal.type === 'offer') {
+      console.log('Processing offer from:', senderSocketId);
+
+      const config = {
+        iceServers: [
+          { urls: 'stun:stun.l.google.com:19302' },
+          { urls: 'stun:stun1.l.google.com:19302' }
+        ]
+      };
+
+      pc = new RTCPeerConnection(config);
+      peerConnections.value.set(senderSocketId, pc);
+
+      pc.onicecandidate = (event) => {
+        if (event.candidate) {
+          console.log('Sending ICE candidate to:', senderSocketId);
+          socket.emit('signal', {
+            targetSocketId: senderSocketId,
+            signal: { type: 'candidate', candidate: event.candidate }
+          });
+        }
+      };
+
+      pc.onconnectionstatechange = () => {
+        console.log('Connection state with', senderSocketId, ':', pc.connectionState);
+      };
+
+      pc.oniceconnectionstatechange = () => {
+        console.log('ICE connection state with', senderSocketId, ':', pc.iceConnectionState);
+      };
+
+      pc.ondatachannel = (event) => {
+        console.log('Received data channel from:', senderSocketId);
+        setupDataChannelCallback(event.channel, senderSocketId);
+        dataChannels.value.set(senderSocketId, event.channel);
+        dataChannelReady.value.set(senderSocketId, false);
+      };
+
+      await pc.setRemoteDescription(new RTCSessionDescription(signal.sdp));
+      const answer = await pc.createAnswer();
+      await pc.setLocalDescription(answer);
+
+      socket.emit('signal', {
+        targetSocketId: senderSocketId,
+        signal: { type: 'answer', sdp: answer }
+      });
+    } else if (signal.type === 'answer') {
+      console.log('Processing answer from:', senderSocketId);
+      if (pc) {
+        await pc.setRemoteDescription(new RTCSessionDescription(signal.sdp));
+      }
+    } else if (signal.type === 'candidate') {
+      console.log('Processing ICE candidate from:', senderSocketId);
+      if (pc) {
+        await pc.addIceCandidate(new RTCIceCandidate(signal.candidate));
+      }
+    }
+  }
+
+  function setupDataChannel(channel, socketId, messageHandler) {
+    channel.binaryType = 'arraybuffer';
+
+    channel.onopen = () => {
+      console.log('Data channel opened with:', socketId, 'readyState:', channel.readyState);
+
+      setTimeout(() => {
+        try {
+          channel.send(JSON.stringify({ type: 'ping' }));
+          console.log('Sent ping to:', socketId);
+        } catch (error) {
+          console.error('Error sending ping:', error);
+        }
+      }, 100);
+    };
+
+    channel.onmessage = (event) => {
+      messageHandler(event, channel, socketId);
+    };
+
+    channel.onerror = (error) => {
+      console.error('Data channel error with', socketId, ':', error);
+    };
+
+    channel.onclose = () => {
+      console.log('Data channel closed with:', socketId);
+      dataChannelReady.value.delete(socketId);
+    };
+  }
+
+  function closePeerConnection(socketId) {
+    const pc = peerConnections.value.get(socketId);
+    if (pc) {
+      pc.close();
+      peerConnections.value.delete(socketId);
+    }
+    const dc = dataChannels.value.get(socketId);
+    if (dc) {
+      dc.close();
+      dataChannels.value.delete(socketId);
+    }
+  }
+
+  return {
+    peerConnections,
+    dataChannels,
+    dataChannelReady,
+    createPeerConnection,
+    handleSignal,
+    setupDataChannel,
+    closePeerConnection
+  };
+}
--- a/src/i18n/index.js
+++ b/src/i18n/index.js
@ -0,0 +1,16 @@
+import { createI18n } from 'vue-i18n';
+import zhCN from './locales/zh-CN.js';
+import enUS from './locales/en-US.js';
+
+// 创建i18n实例
+const i18n = createI18n({
+  legacy: false, // 使用Composition API，需要设置为false
+  locale: 'zh-CN', // 默认语言为中文
+  fallbackLocale: 'en-US', // 回退语言为英文
+  messages: {
+    'zh-CN': zhCN,
+    'en-US': enUS
+  }
+});
+
+export default i18n;
--- a/src/i18n/locales/en-US.js
+++ b/src/i18n/locales/en-US.js
@ -0,0 +1,47 @@
+export default {
+  common: {
+    connected: 'Connected',
+    disconnected: 'Disconnected',
+    user_id: 'User ID',
+    p2p_file_transfer: 'P2P File Transfer',
+    language: 'Language',
+    chinese: 'Chinese',
+    english: 'English',
+    server_url: 'Server URL',
+    connect: 'Connect',
+    disconnect: 'Disconnect'
+  },
+  room: {
+    join_room: 'Join Room',
+    room_id: 'Room ID',
+    nickname: 'Nickname',
+    join: 'Join',
+    leave: 'Leave',
+    users_in_room: 'Users in Room'
+  },
+  file_transfer: {
+    connect: 'Connect',
+    connected: 'Connected',
+    select_file: 'Select File',
+    send_file: 'Send File',
+    send_to: 'Send to',
+    transfers: 'Transfers',
+    pending_transfers: 'Pending Transfers',
+    size: 'Size',
+    direction: 'Direction',
+    status: 'Status',
+    progress: 'Progress',
+    from: 'From',
+    accept: 'Accept',
+    reject: 'Reject',
+    incoming: 'Incoming',
+    outgoing: 'Outgoing',
+    sending: 'Sending',
+    receiving: 'Receiving',
+    completed: 'Completed',
+    failed: 'Failed',
+    rejected: 'Rejected',
+    waiting: 'Waiting',
+    open_folder: 'Open Folder'
+  }
+}
--- a/src/i18n/locales/zh-CN.js
+++ b/src/i18n/locales/zh-CN.js
@ -0,0 +1,47 @@
+export default {
+  common: {
+    connected: '已连接',
+    disconnected: '未连接',
+    user_id: '用户ID',
+    p2p_file_transfer: 'P2P文件传输',
+    language: '语言',
+    chinese: '中文',
+    english: '英文',
+    server_url: '服务器地址',
+    connect: '连接',
+    disconnect: '断开连接'
+  },
+  room: {
+    join_room: '加入房间',
+    room_id: '房间ID',
+    nickname: '昵称',
+    join: '加入',
+    leave: '离开',
+    users_in_room: '房间内用户'
+  },
+  file_transfer: {
+    connect: '连接',
+    connected: '已连接',
+    select_file: '选择文件',
+    send_file: '发送文件',
+    send_to: '发送给',
+    transfers: '传输列表',
+    pending_transfers: '待处理传输',
+    size: '大小',
+    direction: '方向',
+    status: '状态',
+    progress: '进度',
+    from: '来自',
+    accept: '接受',
+    reject: '拒绝',
+    incoming: '接收中',
+    outgoing: '发送中',
+    sending: '发送中',
+    receiving: '接收中',
+    completed: '已完成',
+    failed: '失败',
+    rejected: '已拒绝',
+    waiting: '等待中',
+    open_folder: '打开文件夹'
+  }
+}
--- a/src/main.js
+++ b/src/main.js
@ -0,0 +1,5 @@
+import { createApp } from "vue";
+import App from "./App.vue";
+import i18n from "./i18n";
+
+createApp(App).use(i18n).mount("#app");
--- a/src/utils/index.js
+++ b/src/utils/index.js
@ -0,0 +1,18 @@
+// 生成用户ID
+export function generateUserId() {
+  return 'user_' + Math.random().toString(36).substr(2, 9);
+}
+
+// 格式化文件大小
+export function formatFileSize(bytes) {
+  if (bytes === 0) return '0 Bytes';
+  const k = 1024;
+  const sizes = ['Bytes', 'KB', 'MB', 'GB'];
+  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  return Math.round(bytes / Math.pow(k, i) * 100) / 100 + ' ' + sizes[i];
+}
+
+// 格式化传输速度
+export function formatSpeed(bytesPerSecond) {
+  return formatFileSize(bytesPerSecond) + '/s';
+}
--- a/vite.config.js
+++ b/vite.config.js
@ -0,0 +1,38 @@
+import { defineConfig } from "vite";
+import vue from "@vitejs/plugin-vue";
+import path from "path";
+
+const host = process.env.TAURI_DEV_HOST;
+
+// https://vite.dev/config/
+export default defineConfig(async () => ({
+  plugins: [vue()],
+
+  // Vite options tailored for Tauri development and only applied in `tauri dev` or `tauri build`
+  //
+  // 1. prevent Vite from obscuring rust errors
+  clearScreen: false,
+  // 2. tauri expects a fixed port, fail if that port is not available
+  server: {
+    port: 1420,
+    strictPort: true,
+    host: host || "127.0.0.1",
+    hmr: host
+      ? {
+          protocol: "ws",
+          host,
+          port: 1421,
+        }
+      : undefined,
+    watch: {
+      // 3. tell Vite to ignore watching `src-tauri`
+      ignored: ["**/src-tauri/**"],
+    },
+  },
+  resolve: {
+    alias: {
+      '@tauri-apps/api/tauri': path.resolve(__dirname, './src-tauri/mocks/tauri.js'),
+      '@tauri-apps/api/path': path.resolve(__dirname, './src-tauri/mocks/path.js'),
+    },
+  },
+}));
				`@ -0,0 +1 @@`
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				`@ -0,0 +1 @@`
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