feat: 后端改为deno

2025-11-05 11:43:47 +08:00
parent ba3435e1a0
commit f67a3835fa
27 changed files with 1449 additions and 1404 deletions
--- a/backend-deno/config.ts
+++ b/backend-deno/config.ts
@@ -0,0 +1,28 @@
+/**
+ * 配置文件 (Deno 版本)
+ */
+
+export const config = {
+  // 服务器配置
+  port: parseInt(Deno.env.get("PORT") || "5000"),
+  host: "127.0.0.1",
+
+  // 歌词配置
+  lyrics: {
+    cacheDir: "./lyrics",
+    apiUrl: "http://123.57.93.143:28883",
+    apiKey: "fzt_tom",
+  },
+
+  // WebSocket 配置
+  websocket: {
+    heartbeatInterval: 30000, // 30秒
+    maxConnections: 100,
+  },
+
+  // 音乐控制配置
+  music: {
+    updateInterval: 1000, // 1秒
+    retryAttempts: 3,
+  },
+};
--- a/backend-deno/deno.json
+++ b/backend-deno/deno.json
@@ -0,0 +1,12 @@
+{
+  "imports": {
+    "hono": "https://deno.land/x/hono@v3.12.8/mod.ts",
+    "ws": "https://deno.land/std@0.208.0/ws/mod.ts",
+    "cors": "https://deno.land/x/hono@v3.12.8/middleware/cors/index.ts",
+    "logger": "https://deno.land/x/hono@v3.12.8/middleware/logger/index.ts"
+  },
+  "tasks": {
+    "start": "deno run --allow-net --allow-run --allow-read --allow-write --allow-env main.ts",
+    "dev": "deno run --allow-net --allow-run --allow-read --allow-write --watch --allow-env main.ts"
+  }
+}
--- a/backend-deno/deno.lock
+++ b/backend-deno/deno.lock
@@ -0,0 +1,42 @@
+{
+  "version": "5",
+  "remote": {
+    "https://deno.land/x/hono@v3.12.8/client/client.ts": "9b3bddfd400d069d58320c3f475447d5e61f2c343adad402d5d36fa17f00b481",
+    "https://deno.land/x/hono@v3.12.8/client/index.ts": "30def535310a37bede261f1b23d11a9758983b8e9d60a6c56309cee5f6746ab2",
+    "https://deno.land/x/hono@v3.12.8/client/utils.ts": "053273c002963b549d38268a1b423ac8ca211a8028bdab1ed0b781a62aa5e661",
+    "https://deno.land/x/hono@v3.12.8/compose.ts": "37d6e33b7db80e4c43a0629b12fd3a1e3406e7d9e62a4bfad4b30426ea7ae4f1",
+    "https://deno.land/x/hono@v3.12.8/context.ts": "bb3309ea57fa617714a16a99ab4da02ee4e36419770da6cb0f581fbbef9f541d",
+    "https://deno.land/x/hono@v3.12.8/helper/cookie/index.ts": "a05ce7e3bafe1f8c7f45d04abf79822716011be75904fe1aad2e99126fd985b9",
+    "https://deno.land/x/hono@v3.12.8/helper/html/index.ts": "701ed12b808e8c253247edc02c2c4b32261ae899e9c98f1427f7f6eaa8b7d1ce",
+    "https://deno.land/x/hono@v3.12.8/hono-base.ts": "9a0d2afd56c48eccf93cbe6fd6bb72b26ce4281f279a98f6fd76010dcd4001bf",
+    "https://deno.land/x/hono@v3.12.8/hono.ts": "2cc4c292e541463a4d6f83edbcea58048d203e9564ae62ec430a3d466b49a865",
+    "https://deno.land/x/hono@v3.12.8/http-exception.ts": "6071df078b5f76d279684d52fe82a590f447a64ffe1b75eb5064d0c8a8d2d676",
+    "https://deno.land/x/hono@v3.12.8/middleware/cors/index.ts": "69e208e2bfd6345f14892e59ea817818373b3ebd74163177d687cd47ddbe1f6c",
+    "https://deno.land/x/hono@v3.12.8/middleware/logger/index.ts": "4baf9217b61f5e9e937c3e4e6cd87508c83603fcee77c33edba0a6ae2cc41ccd",
+    "https://deno.land/x/hono@v3.12.8/mod.ts": "90114a97be9111b348129ad0143e764a64921f60dd03b8f3da529db98a0d3a82",
+    "https://deno.land/x/hono@v3.12.8/request.ts": "5c2ab4b9961615afdc87e950ce16cc57e98f7849da56ea5fc1a828ef0dbb4aaf",
+    "https://deno.land/x/hono@v3.12.8/router.ts": "880316f561918fc197481755aac2165fdbe2f530b925c5357a9f98d6e2cc85c7",
+    "https://deno.land/x/hono@v3.12.8/router/linear-router/index.ts": "8a2a7144c50b1f4a92d9ee99c2c396716af144c868e10608255f969695efccd0",
+    "https://deno.land/x/hono@v3.12.8/router/linear-router/router.ts": "1366b3fada26e33c96b0f228aa7962b9c9801c4f484b3991b256aed2c005c668",
+    "https://deno.land/x/hono@v3.12.8/router/pattern-router/index.ts": "304a66c50e243872037ed41c7dd79ed0c89d815e17e172e7ad7cdc4bc07d3383",
+    "https://deno.land/x/hono@v3.12.8/router/pattern-router/router.ts": "a9a5a2a182cce8c3ae82139892cc0502be7dd8f579f31e76d0302b19b338e548",
+    "https://deno.land/x/hono@v3.12.8/router/reg-exp-router/index.ts": "52755829213941756159b7a963097bafde5cc4fc22b13b1c7c9184dc0512d1db",
+    "https://deno.land/x/hono@v3.12.8/router/reg-exp-router/node.ts": "5b3fb80411db04c65df066e69fedb2c8c0844753c2633d703336de84d569252c",
+    "https://deno.land/x/hono@v3.12.8/router/reg-exp-router/router.ts": "c89a37b14c64518256d2fc216d9db7645e658235648762c3ad6e3fc6872a941c",
+    "https://deno.land/x/hono@v3.12.8/router/reg-exp-router/trie.ts": "852ce7207e6701e47fa30889a0d2b8bfcd56d8862c97e7bc9831e0a64bd8835f",
+    "https://deno.land/x/hono@v3.12.8/router/smart-router/index.ts": "74f9b4fe15ea535900f2b9b048581915f12fe94e531dd2b0032f5610e61c3bef",
+    "https://deno.land/x/hono@v3.12.8/router/smart-router/router.ts": "f1848a2a1eefa316a11853ae12e749552747771fb8a11fe713ae04ea6461140b",
+    "https://deno.land/x/hono@v3.12.8/router/trie-router/index.ts": "3eb75e7f71ba81801631b30de6b1f5cefb2c7239c03797e2b2cbab5085911b41",
+    "https://deno.land/x/hono@v3.12.8/router/trie-router/node.ts": "326830a78f3ba3f8a7171041c71d541b10fba2fb398067b09bcd35251bb9679f",
+    "https://deno.land/x/hono@v3.12.8/router/trie-router/router.ts": "54ced78d35676302c8fcdda4204f7bdf5a7cc907fbf9967c75674b1e394f830d",
+    "https://deno.land/x/hono@v3.12.8/utils/body.ts": "fe92c854fa0d1b36d1de3351a0041d06bd56c24a18778ae94511ccd9f806c0a2",
+    "https://deno.land/x/hono@v3.12.8/utils/buffer.ts": "9066a973e64498cb262c7e932f47eed525a51677b17f90893862b7279dc0773e",
+    "https://deno.land/x/hono@v3.12.8/utils/cookie.ts": "19920ba6756944aae1ad8585c3ddeaa9df479733f59d05359db096f7361e5e4b",
+    "https://deno.land/x/hono@v3.12.8/utils/crypto.ts": "bda0e141bbe46d3a4a20f8fbcb6380d473b617123d9fdfa93e4499410b537acc",
+    "https://deno.land/x/hono@v3.12.8/utils/html.ts": "e800e72e2940104e963707edb41a438937693dda8d21bd37a57620e35d36c647",
+    "https://deno.land/x/hono@v3.12.8/utils/stream.ts": "fe5f539a79c476e6af39e2549fa06054ad3c7ff3cbfa2c4c752e879cdd3365d5",
+    "https://deno.land/x/hono@v3.12.8/utils/url.ts": "71475d787e9919443837e0674bc623c2a683d0a7fc41fc1938ff47e1aa775de4",
+    "https://deno.land/x/hono@v3.12.8/validator/index.ts": "6c986e8b91dcf857ecc8164a506ae8eea8665792a4ff7215471df669c632ae7c",
+    "https://deno.land/x/hono@v3.12.8/validator/validator.ts": "97fead75b1e3e460d0895d68eab2be6d774f6d1428e2efb8b4df8ba8bb422c3e"
+  }
+}
--- a/backend-deno/main.ts
+++ b/backend-deno/main.ts
@@ -0,0 +1,79 @@
+/**
+ * lyroc 后端主程序 (Deno + Hono 版本)
+ * 负责初始化应用和启动服务器
+ */
+
+import { Hono } from "hono";
+import { ConnectionManager } from "./modules/websocket_manager.ts";
+import {
+  startBackgroundTask,
+  stopBackgroundTask,
+} from "./modules/background_tasks.ts";
+import { registerRoutes } from "./modules/routes.ts";
+import { initDB } from "./modules/lyrics.ts";
+
+// 创建 Hono 应用
+const app = new Hono();
+
+// 创建 WebSocket 连接管理器
+const manager = new ConnectionManager();
+
+// 注册路由
+registerRoutes(app, manager);
+
+// 启动时初始化
+async function startup() {
+  console.log("正在启动 API 服务...");
+
+  try {
+    // 初始化数据库
+    await initDB();
+    console.log("数据库初始化完成");
+
+    // 启动后台任务
+    startBackgroundTask(manager);
+    console.log("后台任务已启动");
+  } catch (error) {
+    console.error(`启动失败: ${error}`);
+  }
+}
+
+// 关闭时清理
+function shutdown() {
+  console.log("正在关闭服务...");
+
+  try {
+    // 停止后台任务
+    stopBackgroundTask();
+    console.log("后台任务已停止");
+
+    // 关闭所有 WebSocket 连接
+    manager.closeAllConnections();
+    console.log("所有连接已关闭");
+  } catch (error) {
+    console.error(`关闭时出错: ${error}`);
+  }
+}
+
+// 处理进程信号
+Deno.addSignalListener("SIGINT", () => {
+  console.log("收到 SIGINT 信号，正在关闭...");
+  shutdown();
+  Deno.exit(0);
+});
+
+Deno.addSignalListener("SIGTERM", () => {
+  console.log("收到 SIGTERM 信号，正在关闭...");
+  shutdown();
+  Deno.exit(0);
+});
+
+// 启动应用
+await startup();
+
+// 获取端口号
+const port = parseInt(Deno.env.get("PORT") || "5005");
+console.log(`启动后端服务器在端口: ${port}`);
+
+// 启动服务器
+Deno.serve({ port }, app.fetch);
--- a/backend-deno/modules/apple_music.ts
+++ b/backend-deno/modules/apple_music.ts
@@ -0,0 +1,230 @@
+/**
+ * Apple Music 控制和状态获取模块 (Deno 版本)
+ * 负责与 Apple Music 应用交互的所有功能
+ */
+
+export interface MusicStatus {
+  status: "playing" | "paused" | "stopped" | "notrunning" | "error";
+  track_name?: string;
+  artist?: string;
+  position?: number;
+  duration?: number;
+  error?: string;
+}
+
+export interface ControlResult {
+  status: "success" | "error";
+  message?: string;
+}
+
+/**
+ * 运行 AppleScript 并返回结果
+ */
+async function runAppleScript(script: string): Promise<string> {
+  const process = new Deno.Command("osascript", {
+    args: ["-e", script],
+    stdout: "piped",
+    stderr: "piped",
+  });
+
+  try {
+    const { code, stdout, stderr } = await process.output();
+    const output = new TextDecoder().decode(stdout).trim();
+    const error = new TextDecoder().decode(stderr).trim();
+
+    if (code !== 0) {
+      console.warn(`AppleScript 执行失败: ${error}`);
+      return "";
+    }
+
+    return output;
+  } catch (error) {
+    console.error(`执行 AppleScript 时发生错误: ${error}`);
+    return "";
+  }
+}
+
+/**
+ * 获取 Apple Music 播放状态 - 适配 macOS Tahoe
+ */
+export async function getMusicStatus(): Promise<MusicStatus> {
+  // 先获取播放状态
+  const statusScript = `
+    tell application "Music"
+      if it is running then
+        set playerState to (get player state) as string
+        return playerState
+      else
+        return "notrunning"
+      end if
+    end tell
+  `;
+
+  try {
+    const playerState = await runAppleScript(statusScript);
+
+    if (!playerState) {
+      console.error("AppleScript 执行失败，返回了空值");
+      return { status: "error", error: "AppleScript execution failed" };
+    }
+
+    if (playerState === "notrunning") {
+      return { status: "notrunning" };
+    }
+
+    if (playerState === "stopped") {
+      return { status: "stopped" };
+    }
+
+    // 尝试获取歌曲信息
+    try {
+      const infoScript = `
+        tell application "Music"
+          if it is running then
+            try
+              set trackName to ""
+              set artistName to ""
+              set pos to 0
+              set dur to 0
+
+              if exists current track then
+                set t to current track
+                try
+                  set trackName to (name of t) as text
+                end try
+                try
+                  set artistName to (artist of t) as text
+                end try
+                try
+                  set dur to (duration of t) as real
+                end try
+              end if
+
+              try
+                set pos to (player position) as real
+              end try
+
+              return "success|||" & trackName & "|||" & artistName & "|||" & (pos as text) & "|||" & (dur as text)
+            on error errMsg
+              return "error|||" & errMsg
+            end try
+          else
+            return "notrunning"
+          end if
+        end tell
+      `;
+
+      const infoResult = await runAppleScript(infoScript);
+
+      if (infoResult && infoResult.startsWith("success|||")) {
+        const parts = infoResult.split("|||");
+        if (parts.length >= 5) {
+          return {
+            status: playerState as "playing" | "paused",
+            track_name: parts[1],
+            artist: parts[2],
+            position: parseFloat(parts[3]),
+            duration: parseFloat(parts[4]),
+          };
+        }
+      }
+    } catch (error) {
+      console.warn(`获取歌曲信息失败: ${error}`);
+    }
+
+    // 如果无法获取歌曲信息，至少返回播放状态
+    return {
+      status: playerState as "playing" | "paused",
+      track_name: "无法获取歌曲信息",
+      artist: "无法获取艺术家信息",
+      position: 0,
+      duration: 0,
+    };
+  } catch (error) {
+    console.error(`获取音乐状态时发生异常: ${error}`);
+    return { status: "error", error: String(error) };
+  }
+}
+
+/**
+ * 控制 Apple Music 播放
+ */
+export async function controlMusic(
+  action: string,
+  position?: number
+): Promise<ControlResult> {
+  let script = "";
+
+  try {
+    switch (action) {
+      case "playpause":
+        script = `
+          tell application "Music"
+            if it is running then
+              playpause
+              return "ok"
+            else
+              return "notrunning"
+            end if
+          end tell
+        `;
+        break;
+
+      case "previous":
+        script = `
+          tell application "Music"
+            if it is running then
+              previous track
+              return "ok"
+            else
+              return "notrunning"
+            end if
+          end tell
+        `;
+        break;
+
+      case "next":
+        script = `
+          tell application "Music"
+            if it is running then
+              next track
+              return "ok"
+            else
+              return "notrunning"
+            end if
+          end tell
+        `;
+        break;
+
+      case "seek":
+        if (position !== undefined) {
+          script = `
+            tell application "Music"
+              if it is running then
+                set player position to ${position}
+                return "ok"
+              else
+                return "notrunning"
+              end if
+            end tell
+          `;
+        } else {
+          return { status: "error", message: "位置参数不能为空" };
+        }
+        break;
+
+      default:
+        return { status: "error", message: "未知的命令" };
+    }
+
+    const result = await runAppleScript(script);
+
+    if (result === "ok") {
+      return { status: "success" };
+    } else {
+      return { status: "error", message: result };
+    }
+  } catch (error) {
+    return { status: "error", message: String(error) };
+  }
+}
--- a/backend-deno/modules/background_tasks.ts
+++ b/backend-deno/modules/background_tasks.ts
@@ -0,0 +1,94 @@
+/**
+ * 后台任务管理模块 (Deno 版本)
+ * 负责定期获取音乐状态和歌词更新
+ */
+
+import { ConnectionManager } from "./websocket_manager.ts";
+import { getMusicStatus, MusicStatus } from "./apple_music.ts";
+import { getLyricsData, LyricsData } from "./lyrics.ts";
+
+let backgroundTaskId: number | null = null;
+
+/**
+ * 启动后台任务
+ */
+export function startBackgroundTask(manager: ConnectionManager): void {
+  if (backgroundTaskId) {
+    console.log("后台任务已在运行");
+    return;
+  }
+
+  console.log("启动后台任务...");
+
+  backgroundTaskId = setInterval(async () => {
+    await updateMusicInfo(manager);
+  }, 1000); // 每秒更新一次
+
+  console.log("后台任务已启动");
+}
+
+/**
+ * 停止后台任务
+ */
+export function stopBackgroundTask(): void {
+  if (backgroundTaskId) {
+    clearInterval(backgroundTaskId);
+    backgroundTaskId = null;
+    console.log("后台任务已停止");
+  }
+}
+
+/**
+ * 更新音乐信息并发送给客户端
+ */
+export async function updateMusicInfo(
+  manager: ConnectionManager
+): Promise<void> {
+  try {
+    // 获取音乐状态
+    const musicStatus = await getMusicStatus();
+
+    if (musicStatus.status === "error") {
+      console.warn(`获取音乐状态失败: ${musicStatus.error}`);
+      return;
+    }
+
+    // 获取歌词数据
+    const lyricsData = await getLyricsData(musicStatus);
+
+    // 合并数据
+    const updateData = {
+      type: "music_update",
+      timestamp: Date.now(),
+      music: musicStatus,
+      lyrics: lyricsData,
+    };
+
+    // 发送给所有连接的客户端
+    manager.broadcast(updateData);
+  } catch (error) {
+    console.error(`更新音乐信息时出错: ${error}`);
+  }
+}
+
+/**
+ * 获取歌词并发送更新
+ */
+export async function fetchAndUpdateLyrics(
+  status: MusicStatus,
+  manager: ConnectionManager
+): Promise<void> {
+  try {
+    const lyricsData = await getLyricsData(status);
+
+    const updateData = {
+      type: "lyrics_update",
+      timestamp: Date.now(),
+      lyrics: lyricsData,
+    };
+
+    manager.broadcast(updateData);
+  } catch (error) {
+    console.error(`获取歌词并发送更新时出错: ${error}`);
+  }
+}
--- a/backend-deno/modules/lyrics.ts
+++ b/backend-deno/modules/lyrics.ts
@@ -0,0 +1,305 @@
+/**
+ * 歌词管理模块 (Deno 版本)
+ * 负责歌词的获取、解析和缓存
+ */
+
+import { MusicStatus } from "./apple_music.ts";
+
+export interface LyricsData {
+  current_lyric_time: number | null;
+  current_lyric: string | null;
+  next_lyric: string | null;
+  next_next_lyric: string | null;
+  track_name: string | null;
+  artist_name: string | null;
+}
+
+interface LyricsLine {
+  time: number;
+  text: string;
+}
+
+interface LyricsCache {
+  track_name: string | null;
+  artist: string | null;
+  lyrics_text: string | null;
+  source: string | null;
+  deleted: boolean;
+}
+
+// 全局歌词缓存
+let lyricsCache: LyricsCache = {
+  track_name: null,
+  artist: null,
+  lyrics_text: null,
+  source: null,
+  deleted: false,
+};
+
+const DB_PATH = "./lyrics.db";
+
+/**
+ * 初始化数据库
+ */
+export async function initDB(): Promise<void> {
+  try {
+    // 确保歌词目录存在
+    await Deno.mkdir("./lyrics", { recursive: true });
+    console.log(`数据库初始化完成: ${DB_PATH}`);
+  } catch (error) {
+    console.error(`数据库初始化失败: ${error}`);
+  }
+}
+
+/**
+ * 清空歌词缓存
+ */
+export function clearLyricsCache(): void {
+  lyricsCache = {
+    track_name: null,
+    artist: null,
+    lyrics_text: null,
+    source: null,
+    deleted: false,
+  };
+}
+
+/**
+ * 从数据库加载歌词
+ */
+async function loadLyricsFromDB(
+  trackName: string,
+  artist: string
+): Promise<string | null> {
+  try {
+    const filePath = `./lyrics/${encodeURIComponent(
+      trackName
+    )}_${encodeURIComponent(artist)}.lrc`;
+    const content = await Deno.readTextFile(filePath);
+    return content;
+  } catch (error) {
+    return null;
+  }
+}
+
+/**
+ * 保存歌词到数据库
+ */
+async function saveLyrics(
+  trackName: string,
+  artist: string,
+  lyricsText: string
+): Promise<void> {
+  try {
+    const filePath = `./lyrics/${encodeURIComponent(
+      trackName
+    )}_${encodeURIComponent(artist)}.lrc`;
+    await Deno.writeTextFile(filePath, lyricsText);
+  } catch (error) {
+    console.error(`保存歌词失败: ${error}`);
+  }
+}
+
+/**
+ * 从网易云音乐 API 搜索歌词
+ */
+async function searchLyrics(
+  trackName: string,
+  artistName: string
+): Promise<string | null> {
+  try {
+    const searchVariants = [
+      { title: trackName, artist: artistName },
+      { title: trackName, artist: "" },
+      { title: trackName.replace(/[vV]er\.\s*\d*/g, ""), artist: artistName },
+      { title: trackName.replace(/\([^)]*\)/g, "").trim(), artist: artistName },
+    ];
+
+    for (const variant of searchVariants) {
+      try {
+        const encodedTitle = encodeURIComponent(variant.title);
+        const encodedArtist = encodeURIComponent(variant.artist);
+
+        let url = `http://123.57.93.143:28883/lyrics?title=${encodedTitle}`;
+        if (encodedArtist) {
+          url += `&artist=${encodedArtist}`;
+        }
+
+        const response = await fetch(url, {
+          headers: {
+            Authorization: "fzt_tom",
+            "User-Agent": "MacLyric/1.0",
+          },
+        });
+
+        if (response.ok) {
+          const lyricsText = await response.text();
+          if (lyricsText) {
+            return lyricsText;
+          }
+        }
+      } catch (error) {
+        console.warn(`搜索歌词变体失败: ${error}`);
+        continue;
+      }
+    }
+
+    return null;
+  } catch (error) {
+    console.error(`搜索歌词时出错: ${error}`);
+    return null;
+  }
+}
+
+/**
+ * 解析 LRC 格式歌词
+ */
+function parseLrcLyrics(lyricsText: string): LyricsLine[] {
+  const lines = lyricsText.split("\n");
+  const lyricsLines: LyricsLine[] = [];
+
+  for (const line of lines) {
+    const match = line.match(/^\[(\d{2}):(\d{2})\.(\d{2,3})\](.*)$/);
+    if (match) {
+      const minutes = parseInt(match[1]);
+      const seconds = parseInt(match[2]);
+      const milliseconds = parseInt(match[3].padEnd(3, "0"));
+      const text = match[4].trim();
+
+      const time = minutes * 60 + seconds + milliseconds / 1000;
+      lyricsLines.push({ time, text });
+    }
+  }
+
+  return lyricsLines.sort((a, b) => a.time - b.time);
+}
+
+/**
+ * 格式化歌词数据
+ */
+function formatLrcLyrics(
+  lyricsText: string,
+  currentPosition?: number
+): LyricsData {
+  const lyricsLines = parseLrcLyrics(lyricsText);
+
+  if (lyricsLines.length === 0) {
+    return {
+      current_lyric_time: null,
+      current_lyric: null,
+      next_lyric: null,
+      next_next_lyric: null,
+      track_name: null,
+      artist_name: null,
+    };
+  }
+
+  if (currentPosition === undefined) {
+    return {
+      current_lyric_time: lyricsLines[0].time,
+      current_lyric: lyricsLines[0].text,
+      next_lyric: lyricsLines.length > 1 ? lyricsLines[1].text : null,
+      next_next_lyric: lyricsLines.length > 2 ? lyricsLines[2].text : null,
+      track_name: null,
+      artist_name: null,
+    };
+  }
+
+  let currentIndex = -1;
+  for (let i = 0; i < lyricsLines.length; i++) {
+    if (lyricsLines[i].time <= currentPosition) {
+      currentIndex = i;
+    } else {
+      break;
+    }
+  }
+
+  const currentLyric = currentIndex >= 0 ? lyricsLines[currentIndex] : null;
+  const nextLyric =
+    currentIndex + 1 < lyricsLines.length
+      ? lyricsLines[currentIndex + 1]
+      : null;
+  const nextNextLyric =
+    currentIndex + 2 < lyricsLines.length
+      ? lyricsLines[currentIndex + 2]
+      : null;
+
+  return {
+    current_lyric_time: currentLyric?.time || null,
+    current_lyric: currentLyric?.text || null,
+    next_lyric: nextLyric?.text || null,
+    next_next_lyric: nextNextLyric?.text || null,
+    track_name: null,
+    artist_name: null,
+  };
+}
+
+/**
+ * 获取当前歌词数据
+ */
+export async function getLyricsData(status: MusicStatus): Promise<LyricsData> {
+  // 如果没有播放，清空缓存并返回空
+  if (status.status !== "playing" && status.status !== "paused") {
+    clearLyricsCache();
+    return {
+      current_lyric_time: null,
+      current_lyric: null,
+      next_lyric: null,
+      next_next_lyric: null,
+      track_name: null,
+      artist_name: null,
+    };
+  }
+
+  const trackName = status.track_name;
+  const artist = status.artist;
+  const position = status.position || 0;
+
+  // 检查是否切换了歌曲
+  if (lyricsCache.track_name !== trackName || lyricsCache.artist !== artist) {
+    console.log(`歌曲切换，重新获取歌词: ${trackName} - ${artist}`);
+
+    // 清空缓存
+    lyricsCache.track_name = trackName;
+    lyricsCache.artist = artist;
+    lyricsCache.lyrics_text = null;
+    lyricsCache.deleted = false;
+
+    // 1. 先尝试从数据库获取
+    const lyricsText = await loadLyricsFromDB(trackName || "", artist || "");
+    if (lyricsText) {
+      lyricsCache.lyrics_text = lyricsText;
+      lyricsCache.source = "db";
+    }
+    // 2. 如果本地没有，且不是被删除的歌词，尝试从网易云音乐API获取歌词
+    else if (!lyricsCache.lyrics_text && !lyricsCache.deleted) {
+      const lyricsText = await searchLyrics(trackName || "", artist || "");
+      if (lyricsText) {
+        // 保存到数据库
+        await saveLyrics(trackName || "", artist || "", lyricsText);
+        lyricsCache.lyrics_text = lyricsText;
+        lyricsCache.source = "netease";
+      }
+    }
+  }
+
+  // 如果有缓存的歌词，直接解析
+  if (lyricsCache.lyrics_text) {
+    const lyricsData = formatLrcLyrics(lyricsCache.lyrics_text, position);
+    return {
+      ...lyricsData,
+      track_name: trackName || null,
+      artist_name: artist || null,
+    };
+  }
+
+  // 没有歌词
+  return {
+    current_lyric_time: null,
+    current_lyric: null,
+    next_lyric: null,
+    next_next_lyric: null,
+    track_name: trackName || null,
+    artist_name: artist || null,
+  };
+}
--- a/backend-deno/modules/routes.ts
+++ b/backend-deno/modules/routes.ts
@@ -0,0 +1,161 @@
+/**
+ * 路由模块 (Deno 版本)
+ * 定义所有 API 路由
+ */
+
+import { Hono } from "hono";
+import { cors } from "cors";
+import { logger } from "logger";
+import { ConnectionManager } from "./websocket_manager.ts";
+import { getMusicStatus, controlMusic } from "./apple_music.ts";
+import { getLyricsData } from "./lyrics.ts";
+
+export interface ControlRequest {
+  action: "playpause" | "previous" | "next" | "seek";
+  position?: number;
+}
+
+export interface SearchLyricsRequest {
+  title: string;
+  artist: string;
+}
+
+export interface GetLyricsFromIdRequest {
+  title: string;
+  artist: string;
+}
+
+/**
+ * 注册所有路由
+ */
+export function registerRoutes(app: Hono, manager: ConnectionManager): void {
+  // 添加中间件
+  app.use("*", async (c, next) => {
+    if (c.req.path !== "/ws") {
+      console.log("[CORS middleware triggered]", c.req.method, c.req.path)
+      return await cors({
+        origin: "*",
+        allowMethods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
+        allowHeaders: ["Content-Type", "Authorization"],
+      })(c, next);
+    } else {
+      return await next();
+    }
+  });
+
+  // 健康检查
+  app.get("/health", (c) => {
+    return c.json({
+      status: "ok",
+      timestamp: Date.now(),
+      connections: manager.getConnectionCount(),
+    });
+  });
+
+  // 获取音乐状态
+  app.get("/music/status", async (c) => {
+    try {
+      const status = await getMusicStatus();
+      return c.json(status);
+    } catch (error) {
+      return c.json({ status: "error", error: String(error) }, 500);
+    }
+  });
+
+  // 控制音乐播放
+  app.post("/music/control", async (c) => {
+    try {
+      const body = (await c.req.json()) as ControlRequest;
+
+      if (!body.action) {
+        return c.json({ status: "error", message: "缺少 action 参数" }, 400);
+      }
+
+      const result = await controlMusic(body.action, body.position);
+      return c.json(result);
+    } catch (error) {
+      return c.json({ status: "error", message: String(error) }, 500);
+    }
+  });
+
+  // 获取歌词
+  app.get("/lyrics", async (c) => {
+    try {
+      const status = await getMusicStatus();
+      const lyricsData = await getLyricsData(status);
+      return c.json(lyricsData);
+    } catch (error) {
+      return c.json({ status: "error", error: String(error) }, 500);
+    }
+  });
+
+  // 搜索歌词
+  app.post("/lyrics/search", async (c) => {
+    try {
+      const body = (await c.req.json()) as SearchLyricsRequest;
+
+      if (!body.title) {
+        return c.json({ status: "error", message: "缺少 title 参数" }, 400);
+      }
+
+      // 这里可以实现歌词搜索逻辑
+      // 暂时返回空结果
+      return c.json({
+        status: "success",
+        lyrics: null,
+        message: "歌词搜索功能待实现",
+      });
+    } catch (error) {
+      return c.json({ status: "error", error: String(error) }, 500);
+    }
+  });
+
+  // 根据歌曲信息获取歌词
+  app.post("/lyrics/get", async (c) => {
+    try {
+      const body = (await c.req.json()) as GetLyricsFromIdRequest;
+
+      if (!body.title) {
+        return c.json({ status: "error", message: "缺少 title 参数" }, 400);
+      }
+
+      // 构造音乐状态对象
+      const mockStatus = {
+        status: "playing" as const,
+        track_name: body.title,
+        artist: body.artist || "",
+        position: 0,
+        duration: 0,
+      };
+
+      const lyricsData = await getLyricsData(mockStatus);
+      return c.json(lyricsData);
+    } catch (error) {
+      return c.json({ status: "error", error: String(error) }, 500);
+    }
+  });
+
+  // WebSocket 连接端点
+  app.get("/ws", (c) => {
+    const upgrade = c.req.header("upgrade");
+
+    if (upgrade !== "websocket") {
+      return c.text("Expected websocket", 400);
+    }
+
+    const { socket, response } = Deno.upgradeWebSocket(c.req.raw);
+    const connectionId = `conn_${Date.now()}_${Math.random()
+      .toString(36)
+      .substr(2, 9)}`;
+
+    // 添加连接到管理器
+    manager.addConnection(connectionId, socket);
+
+    return response;
+  });
+
+  // 404 处理
+  app.notFound((c) => {
+    return c.json({ status: "error", message: "Not Found" }, 404);
+  });
+}
--- a/backend-deno/modules/websocket_manager.ts
+++ b/backend-deno/modules/websocket_manager.ts
@@ -0,0 +1,163 @@
+/**
+ * WebSocket 连接管理器 (Deno 版本)
+ * 负责管理 WebSocket 连接和消息广播
+ */
+
+export interface WebSocketConnection {
+  id: string;
+  socket: WebSocket;
+  isAlive: boolean;
+}
+
+export class ConnectionManager {
+  private connections: Map<string, WebSocketConnection> = new Map();
+  private heartbeatInterval: ReturnType<typeof setInterval> | null = null;
+
+  constructor() {
+    this.startHeartbeat();
+  }
+
+  /**
+   * 添加新连接
+   */
+  addConnection(id: string, socket: WebSocket): void {
+    const connection: WebSocketConnection = {
+      id,
+      socket,
+      isAlive: true,
+    };
+
+    this.connections.set(id, connection);
+    console.log(`新连接已添加: ${id}, 当前连接数: ${this.connections.size}`);
+
+    // 设置连接关闭处理
+    socket.addEventListener("close", () => {
+      this.removeConnection(id);
+    });
+
+    // 设置心跳响应处理
+    socket.addEventListener("message", (event) => {
+      try {
+        const data = JSON.parse(event.data);
+        if (data.type === "ping") {
+          connection.isAlive = true;
+          this.sendToConnection(id, { type: "pong" });
+        }
+      } catch (error) {
+        console.warn(`处理消息时出错: ${error}`);
+      }
+    });
+  }
+
+  /**
+   * 移除连接
+   */
+  removeConnection(id: string): void {
+    if (this.connections.has(id)) {
+      this.connections.delete(id);
+      console.log(`连接已移除: ${id}, 当前连接数: ${this.connections.size}`);
+    }
+  }
+
+  /**
+   * 向特定连接发送消息
+   */
+  sendToConnection(id: string, message: any): boolean {
+    const connection = this.connections.get(id);
+    if (connection && connection.socket.readyState === WebSocket.OPEN) {
+      try {
+        connection.socket.send(JSON.stringify(message));
+        return true;
+      } catch (error) {
+        console.error(`发送消息到连接 ${id} 失败: ${error}`);
+        this.removeConnection(id);
+        return false;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * 向所有连接广播消息
+   */
+  broadcast(message: any): void {
+    const deadConnections: string[] = [];
+
+    for (const [id, connection] of this.connections) {
+      if (connection.socket.readyState === WebSocket.OPEN) {
+        try {
+          connection.socket.send(JSON.stringify(message));
+        } catch (error) {
+          console.error(`广播消息到连接 ${id} 失败: ${error}`);
+          deadConnections.push(id);
+        }
+      } else {
+        deadConnections.push(id);
+      }
+    }
+
+    // 清理死连接
+    deadConnections.forEach((id) => this.removeConnection(id));
+  }
+
+  /**
+   * 获取连接数量
+   */
+  getConnectionCount(): number {
+    return this.connections.size;
+  }
+
+  /**
+   * 获取所有连接 ID
+   */
+  getConnectionIds(): string[] {
+    return Array.from(this.connections.keys());
+  }
+
+  /**
+   * 启动心跳检测
+   */
+  private startHeartbeat(): void {
+    this.heartbeatInterval = setInterval(() => {
+      const deadConnections: string[] = [];
+
+      for (const [id, connection] of this.connections) {
+        if (!connection.isAlive) {
+          deadConnections.push(id);
+        } else {
+          connection.isAlive = false;
+          // 发送心跳检测
+          this.sendToConnection(id, { type: "ping" });
+        }
+      }
+
+      // 清理死连接
+      deadConnections.forEach((id) => this.removeConnection(id));
+    }, 30000); // 每30秒检测一次
+  }
+
+  /**
+   * 停止心跳检测
+   */
+  stopHeartbeat(): void {
+    if (this.heartbeatInterval) {
+      clearInterval(this.heartbeatInterval);
+      this.heartbeatInterval = null;
+    }
+  }
+
+  /**
+   * 关闭所有连接
+   */
+  closeAllConnections(): void {
+    for (const [id, connection] of this.connections) {
+      try {
+        connection.socket.close();
+      } catch (error) {
+        console.error(`关闭连接 ${id} 失败: ${error}`);
+      }
+    }
+    this.connections.clear();
+    this.stopHeartbeat();
+  }
+}
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -1,3 +0,0 @@
-# 歌词服务器配置示例
-LYRICS_SERVER=http://123.57.93.143:28883
-LYRICS_AUTHORIZATION=fzt_tom
--- a/backend/.gitignore
+++ b/backend/.gitignore
@@ -1,7 +0,0 @@
-__pycache__
-lyrics
-.DS_Store
-build
-dist
-.env
-venv
--- a/backend/config.py
+++ b/backend/config.py
@@ -1,10 +0,0 @@
-'''
-Date: 2025-04-24 16:32:55
-LastEditors: 陈子健
-LastEditTime: 2025-05-26 17:13:51
-FilePath: /mac-lyric-vue/backend/config.py
-'''
-import os
-
-APP_SUPPORT_DIR = os.path.expanduser('~/Library/Application Support/lyroc')
-os.makedirs(APP_SUPPORT_DIR, exist_ok=True)
--- a/backend/main.py
+++ b/backend/main.py
@@ -1,86 +0,0 @@
-'''
-Date: 2025-05-06 09:26:51
-LastEditors: 陈子健
-LastEditTime: 2025-05-26 17:14:17
-FilePath: /mac-lyric-vue/backend/main.py
-'''
-"""
-lyroc 后端主程序
-负责初始化应用和启动服务器
-"""
-import uvicorn
-import os
-import logging
-from contextlib import asynccontextmanager
-from fastapi import FastAPI
-from fastapi.middleware.cors import CORSMiddleware
-
-# 导入自定义模块
-from modules.websocket_manager import ConnectionManager
-from modules.background_tasks import start_background_task, cancel_all_tasks, background_tasks
-from modules.routes import register_routes
-
-# 配置日志
-logging.basicConfig(
-    level=logging.DEBUG,
-    format='%(asctime)s - %(levelname)s - %(message)s'
-)
-logger = logging.getLogger(__name__)
-
-# 应用支持目录和歌词目录在lyrics模块中已定义
-
-# Lifespan 上下文管理器，替代 on_event
-@asynccontextmanager
-async def lifespan(app: FastAPI):
-    logger.info("正在启动API服务...")
-    try:
-        # 启动时创建后台任务
-        start_background_task(manager)
-        logger.info("后台任务已启动")
-    except Exception as e:
-        logger.error(f"启动后台任务失败: {e}")
-    
-    yield  # 应用正常运行
-    
-    # 关闭时清理任务
-    try:
-        cancel_all_tasks()
-        logger.info("后台任务已关闭")
-    except Exception as e:
-        logger.error(f"关闭后台任务失败: {e}")
-
-# 创建FastAPI应用
-app = FastAPI(lifespan=lifespan)
-
-# 确保在应用启动时直接启动任务（作为后备方案）
-@app.on_event("startup")
-async def startup_event():
-    # 仅当通过 lifespan 未启动任务时才启动
-    if not background_tasks:
-        logger.info("通过startup_event启动后台任务...")
-        try:
-            start_background_task(manager)
-            logger.info("后台任务通过startup_event成功启动")
-        except Exception as e:
-            logger.error(f"通过startup_event启动后台任务失败: {e}")
-
-# 配置CORS
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=["*"],
-    allow_credentials=True,
-    allow_methods=["*"],
-    allow_headers=["*"],
-)
-
-# 创建WebSocket连接管理器
-manager = ConnectionManager()
-
-# 注册API路由
-register_routes(app, manager)
-
-if __name__ == "__main__":
-    # 从环境变量获取端口号，如果未设置则默认使用5000
-    port = int(os.environ.get("PORT", 5000))
-    logger.info(f"启动后端服务器在端口: {port}")
-    uvicorn.run("main:app", host="127.0.0.1", port=port, reload=True)
--- a/backend/modules/init.py
+++ b/backend/modules/init.py
@@ -1,9 +0,0 @@
-'''
-Date: 2025-05-06 09:25:16
-LastEditors: 陈子健
-LastEditTime: 2025-05-26 17:14:27
-FilePath: /mac-lyric-vue/backend/modules/__init__.py
-'''
-"""
-lyroc 后端模块包
-"""
--- a/backend/modules/apple_music.py
+++ b/backend/modules/apple_music.py
@@ -1,118 +0,0 @@
-"""
-Apple Music 控制和状态获取模块
-负责与 Apple Music 应用交互的所有功能
-"""
-import subprocess
-import logging
-
-logger = logging.getLogger(__name__)
-
-def run_applescript(script: str):
-    """运行 AppleScript 并返回结果"""
-    result = subprocess.run([
-        "osascript", "-e", script
-    ], capture_output=True, text=True)
-    return result.stdout.strip()
-
-def get_music_status():
-    """获取 Apple Music 播放状态"""
-    script = '''
-    tell application "Music"
-        if it is running then
-            set playerState to (get player state) as string
-            if playerState is "stopped" then
-                return "stopped"
-            else
-                set trackName to name of current track
-                set artistName to artist of current track
-                set pos to player position
-                set dur to duration of current track
-                return playerState & "|||" & trackName & "|||" & artistName & "|||" & (pos as text) & "|||" & (dur as text)
-            end if
-        else
-            return "notrunning"
-        end if
-    end tell
-    '''
-    try:
-        out = run_applescript(script)
-        if out is None:
-            logger.error("AppleScript执行失败，返回了None")
-            return {"status": "error", "error": "AppleScript execution failed"}
-            
-        if out == "notrunning":
-            return {"status": "notrunning"}
-        if out == "stopped":
-            return {"status": "stopped"}
-        try:
-            player_state, track_name, artist, pos, dur = out.split("|||")
-            return {
-                "status": player_state,
-                "track_name": track_name,
-                "artist": artist,
-                "position": float(pos),
-                "duration": float(dur)
-            }
-        except Exception as e:
-            return {"status": "error", "error": str(e), "raw": out}
-    except Exception as e:
-        logger.error(f"获取音乐状态时发生异常: {e}")
-        return {"status": "error", "error": str(e)}
-
-def control_music(action, position=None):
-    """控制Apple Music播放"""
-    try:
-        if action == "playpause":
-            script = '''
-            tell application "Music"
-                if it is running then
-                    playpause
-                    return "ok"
-                else
-                    return "notrunning"
-                end if
-            end tell
-            '''
-        elif action == "previous":
-            script = '''
-            tell application "Music"
-                if it is running then
-                    previous track
-                    return "ok"
-                else
-                    return "notrunning"
-                end if
-            end tell
-            '''
-        elif action == "next":
-            script = '''
-            tell application "Music"
-                if it is running then
-                    next track
-                    return "ok"
-                else
-                    return "notrunning"
-                end if
-            end tell
-            '''
-        elif action == "seek" and position is not None:
-            script = f'''
-            tell application "Music"
-                if it is running then
-                    set player position to {position}
-                    return "ok"
-                else
-                    return "notrunning"
-                end if
-            end tell
-            '''
-        else:
-            return {"status": "error", "message": "未知的命令"}
-            
-        result = run_applescript(script)
-        if result == "ok":
-            return {"status": "success"}
-        else:
-            return {"status": "error", "message": result}
-    except Exception as e:
-        return {"status": "error", "message": str(e)}
--- a/backend/modules/background_tasks.py
+++ b/backend/modules/background_tasks.py
@@ -1,219 +0,0 @@
-"""
-后台任务模块
-负责创建和管理定期检查Apple Music状态并推送更新的后台任务
-"""
-import time
-import asyncio
-import logging
-from .apple_music import get_music_status
-from .lyrics import get_lyrics_data
-from .websocket_manager import ConnectionManager
-
-logger = logging.getLogger(__name__)
-
-# 存储后台任务引用
-background_tasks = set()
-
-async def fetch_and_update_lyrics(status, manager):
-    """异步获取歌词并发送更新"""
-    try:
-        # 异步获取歌词
-        logger.info(f"正在获取歌词...")
-        lyrics = get_lyrics_data(status)
-        logger.info(f"歌词: {lyrics}")
-        # 获取到歌词后，再发送一个歌词更新消息
-        if lyrics and isinstance(lyrics, dict):  # 确保lyrics是一个非空的字典
-            lyrics_update = {
-                "type": "lyric_update",  # 使用不同的消息类型
-                "timestamp": time.time(),
-                "lyrics": lyrics
-            }
-            
-            await manager.broadcast(lyrics_update)
-            logger.info("歌词获取完成，已发送更新")
-    except Exception as e:
-        logger.error(f"获取歌词并发送更新时出错: {e}")
-
-async def update_music_info(manager: ConnectionManager):
-    """定期检查音乐状态并向所有客户端推送更新"""
-    logger.info("后台任务update_music_info开始运行...")
-    
-    # 记录上一次状态
-    last_position = -1
-    last_track_name = None
-    last_lyrics = None
-    last_playback_status = None  # 记录上一次的播放状态
-    
-    # 配置更新间隔
-    check_interval = 0.05  # 内部检查间隔仍保持较短
-    
-    # 设定重试次数
-    consecutive_errors = 0
-    max_consecutive_errors = 10
-    
-    while True:
-        try:
-            current_time = time.time()
-            
-            # 获取当前状态
-            status = get_music_status()
-            if status is None:
-                logger.error("获取音乐状态失败，返回None")
-                await asyncio.sleep(1)
-                continue
-                
-            current_status = status.get("status", "unknown")
-            
-            # 错误状态处理
-            if current_status == "error":
-                logger.error(f"获取音乐状态返回错误: {status.get('error', 'Unknown error')}")
-                await asyncio.sleep(1)
-                continue
-            
-            # 状态变化处理
-            if current_status != last_playback_status and last_playback_status is not None:
-                logger.info(f"播放状态变化: {last_playback_status} -> {current_status}")
-                
-                # 确定消息类型
-                message_type = "status_change"
-                if current_status == "playing":
-                    message_type = "playback_resumed"
-                elif current_status == "paused":
-                    message_type = "playback_paused"
-                elif current_status == "stopped":
-                    message_type = "playback_stopped"
-                elif current_status == "notrunning":
-                    message_type = "app_not_running"
-                
-                # 向客户端通知状态变化
-                status_update = {
-                    "type": message_type,
-                    "timestamp": current_time,
-                    "status": status
-                }
-                
-                await manager.broadcast(status_update)
-                last_playback_status = current_status
-                consecutive_errors = 0
-                await asyncio.sleep(check_interval)
-                continue
-            
-            # 如果没有状态变化，但是还没有记录过状态，进行初始化
-            if last_playback_status is None:
-                last_playback_status = current_status
-            
-            # 如果应用未运行或已停止，无需进一步处理
-            if current_status in ["stopped", "notrunning"]:
-                await asyncio.sleep(check_interval)
-                continue
-                
-            # 保存当前播放状态用于下次比较
-            last_playback_status = current_status
-            
-            # 如果已停止，无需进一步处理
-            if current_status in ["stopped", "notrunning"]:
-                await asyncio.sleep(check_interval)
-                continue
-            
-            # 以下是正常播放状态下的处理
-            position = status.get("position", -1)
-            track_name = status.get("track_name")
-            
-            # 安全检查：如果缺少关键数据，跳过本次循环
-            if track_name is None:
-                logger.debug("歌曲名称为空，跳过本次更新")
-                await asyncio.sleep(check_interval)
-                continue
-                
-            # 检查是否需要发送更新
-            track_changed = track_name != last_track_name
-            
-            # 如果歌曲变化，获取新歌词
-            if track_changed:
-                try:
-                    # 立即发送歌曲变化通知（不含歌词）
-                    logger.info(f"歌曲变化: {last_track_name} -> {track_name}")
-                    
-                    # 先发送一个不含歌词的track_change消息
-                    initial_update = {
-                        "type": "track_change",
-                        "timestamp": current_time,
-                        "status": status,
-                        "lyrics": None  # 不包含歌词
-                    }
-                    
-                    await manager.broadcast(initial_update)
-                    
-                    # 更新歌曲名称记录
-                    last_track_name = track_name
-                    last_position = position
-                    
-                    # 重置错误计数
-                    consecutive_errors = 0
-                    
-                    # 启动一个独立的异步任务来获取歌词并后续发送更新
-                    # 这样主循环可以继续运行，不会阻塞
-                    asyncio.create_task(fetch_and_update_lyrics(status, manager))
-                    
-                except Exception as e:
-                    logger.error(f"处理歌曲变化时出错: {e}")
-                    await asyncio.sleep(0.5)
-
-            # 检查歌词是否需要更新（播放位置变化明显）
-            elif abs(last_position - position) > 0.5:  # 如果播放位置变化超过0.5秒
-                try:
-                    lyrics = get_lyrics_data(status)
-                    
-                    # 只有当歌词内容变化时才发送更新
-                    current_lyric = lyrics.get("current_lyric", "") if lyrics and isinstance(lyrics, dict) else ""
-                    current_lyric_time = lyrics.get("current_lyric_time", "") if lyrics and isinstance(lyrics, dict) else ""
-                    last_current_lyric_time = last_lyrics.get("current_lyric_time", "") if last_lyrics and isinstance(last_lyrics, dict) else ""
-                    
-                    if current_lyric_time != last_current_lyric_time:
-                        if current_lyric is None:
-                            current_lyric = ""
-                        logger.debug(f"歌词更新: {current_lyric[:20]}...")
-                        
-                        combined_data = {
-                            "type": "lyric_change",
-                            "timestamp": current_time,
-                            "status": status,
-                            "lyrics": lyrics
-                        }
-                        
-                        await manager.broadcast(combined_data)
-                        last_lyrics = lyrics
-                        last_position = position
-                        
-                        # 重置错误计数
-                        consecutive_errors = 0
-                except Exception as e:
-                    logger.error(f"处理歌词更新时出错: {e}")
-                    await asyncio.sleep(0.5)
-            
-            # 更新上一次位置
-            if track_changed or (abs(last_position - position) > 0.5):
-                last_position = position
-            
-            # 等待下一次检查
-            await asyncio.sleep(check_interval)
-            
-        except Exception as e:
-            logger.error(f"更新音乐信息时出错: {e}")
-            consecutive_errors += 1
-            if consecutive_errors >= max_consecutive_errors:
-                logger.error(f"连续错误次数超过{max_consecutive_errors}，退出后台任务")
-                break
-            await asyncio.sleep(1)  # 出错时等待1秒再重试
-
-def start_background_task(manager: ConnectionManager):
-    """启动后台任务并添加到跟踪集合中"""
-    task = asyncio.create_task(update_music_info(manager))
-    background_tasks.add(task)
-    task.add_done_callback(background_tasks.discard)
-    return task
-
-def cancel_all_tasks():
-    """取消所有后台任务"""
-    for task in background_tasks:
-        task.cancel()
--- a/backend/modules/lyrics.py
+++ b/backend/modules/lyrics.py
@@ -1,435 +0,0 @@
-"""
-歌词处理模块
-负责歌词的解析、格式化、存储和获取
-"""
-import os
-import re
-import logging
-import requests
-import sqlite3
-from urllib.parse import quote
-from Crypto.Cipher import AES
-import base64
-import random
-import codecs
-import json
-
-logger = logging.getLogger(__name__)
-
-# 配置应用支持目录
-APP_SUPPORT_DIR = os.path.expanduser('~/Library/Application Support/lyroc')
-os.makedirs(APP_SUPPORT_DIR, exist_ok=True)
-
-# SQLite数据库配置
-DB_PATH = os.path.join(APP_SUPPORT_DIR, 'lyroc.db')
-
-def init_db():
-    """初始化SQLite数据库"""
-    conn = sqlite3.connect(DB_PATH)
-    cursor = conn.cursor()
-    
-    # 创建歌词表
-    cursor.execute('''
-    CREATE TABLE IF NOT EXISTS lyrics (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        track_name TEXT NOT NULL,
-        artist TEXT NOT NULL,
-        lyrics_content TEXT NOT NULL,
-        source TEXT DEFAULT 'netease',
-        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-        UNIQUE(track_name, artist)
-    )
-    ''')
-    
-    conn.commit()
-    conn.close()
-    logger.debug(f"数据库初始化完成: {DB_PATH}")
-
-# 初始化数据库
-init_db()
-
-def clear_lyrics_cache():
-    """清空歌词缓存"""
-    global _lyrics_cache
-    _lyrics_cache = {
-        "track_name": None,
-        "artist": None,
-        "lyrics_text": None,
-        "source": None,
-        "deleted": False
-    }
-
-# 歌词缓存
-clear_lyrics_cache()
-
-# 网易云音乐API配置
-NETEASE_API_BASE = "https://music.163.com/weapi"
-NETEASE_SEARCH_URL = f"{NETEASE_API_BASE}/search/get"
-NETEASE_LYRIC_URL = f"{NETEASE_API_BASE}/song/lyric"
-
-# 加密相关配置
-MODULUS = '00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7'
-NONCE = '0CoJUm6Qyw8W8jud'
-PUBKEY = '010001'
-IV = '0102030405060708'
-
-class LyricLine:
-    def __init__(self, time, text):
-        self.time = time  # 时间（秒）
-        self.text = text  # 歌词文本
-
-def load_lyrics_from_db(track_name, artist):
-    """从数据库加载歌词"""
-    try:
-        conn = sqlite3.connect(DB_PATH)
-        cursor = conn.cursor()
-        cursor.execute('''
-        SELECT lyrics_content FROM lyrics WHERE track_name = ? AND artist = ?
-        ''', (track_name, artist))
-        result = cursor.fetchone()
-        conn.close()
-        if result:
-            return result[0]
-    except Exception as e:
-        logger.error(f"加载数据库歌词时出错: {e}", exc_info=True)
-    return None
-
-def parse_time(time_str):
-    """解析时间标记 [mm:ss.xxx]"""
-    try:
-        # 移除方括号
-        time_str = time_str.strip('[]')
-        # 分离分钟和秒
-        minutes, seconds = time_str.split(':')
-        # 转换为秒
-        total_seconds = float(minutes) * 60 + float(seconds)
-        return total_seconds
-    except:
-        return 0
-
-def format_lrc_lyrics(lyrics_text, current_position=None):
-    """格式化 LRC 歌词，找出当前、下一句和下下句歌词"""
-    if not lyrics_text:
-        return None, None, None, None
-    
-    # 解析歌词行
-    lyric_lines = []
-    for line in lyrics_text.split('\n'):
-        line = line.strip()
-        if not line:
-            continue
-            
-        # 查找所有时间标记
-        time_tags = re.findall(r'\[([0-9:.]+)\]', line)
-        if not time_tags:
-            continue
-            
-        text = re.sub(r'\[[0-9:.]+\]', '', line).strip()
-        if not text:
-            continue
-        
-        # 一行可能有多个时间标记
-        for time_tag in time_tags:
-            try:
-                time_seconds = parse_time(time_tag)
-                lyric_lines.append({"time": time_seconds, "text": text})
-            except Exception as e:
-                logger.error(f"解析时间标记出错: {time_tag}, 错误: {e}")
-    
-    # 按时间排序
-    lyric_lines.sort(key=lambda x: x["time"])
-    
-    # 如果没有有效歌词，返回空
-    if not lyric_lines:
-        return None, None, None, None
-    
-    if not current_position:
-        # 如果没有提供当前位置，返回前三句歌词
-        current = lyric_lines[0]["text"] if len(lyric_lines) > 0 else None
-        next_ = lyric_lines[1]["text"] if len(lyric_lines) > 1 else None
-        next_next = lyric_lines[2]["text"] if len(lyric_lines) > 2 else None
-        return current, next_, next_next, lyric_lines[0]["time"]
-    
-    # 找出当前歌词
-    current_index = -1
-    for i, line in enumerate(lyric_lines):
-        if line["time"] > current_position:
-            if i > 0:
-                current_index = i - 1
-            break
-    
-    # 处理当前位置超过最后一行歌词的情况
-    if current_index == -1 and lyric_lines:
-        # 如果遍历完所有歌词都没找到大于当前位置的，说明当前位置超过了最后一行歌词
-        if current_position >= lyric_lines[-1]["time"]:
-            # 返回最后三句歌词，将最后一句作为当前歌词
-            last_index = len(lyric_lines) - 1
-            if last_index >= 2:
-                return lyric_lines[last_index]["text"], None, None, lyric_lines[last_index]["time"]
-            elif last_index == 1:
-                return lyric_lines[1]["text"], None, None, lyric_lines[1]["time"]
-            else:
-                return lyric_lines[0]["text"], None, None, lyric_lines[0]["time"]
-    
-    # 如果找到了当前歌词
-    if current_index >= 0:
-        current = lyric_lines[current_index]["text"]
-        next_ = lyric_lines[current_index + 1]["text"] if current_index + 1 < len(lyric_lines) else None
-        next_next = lyric_lines[current_index + 2]["text"] if current_index + 2 < len(lyric_lines) else None
-        return current, next_, next_next, lyric_lines[current_index]["time"]
-    
-    # 如果当前位置在所有歌词之前
-    if lyric_lines:
-        return None, lyric_lines[0]["text"], lyric_lines[1]["text"] if len(lyric_lines) > 1 else None, lyric_lines[0]["time"]
-    
-    return None, None, None, None
-
-def get_lyrics_data(status):
-    """获取当前歌词（先获取状态，再从缓存或存储中获取歌词）"""
-    global _lyrics_cache
-    
-    # 如果没有播放，清空缓存并返回空
-    if status.get("status") not in ["playing", "paused"]:
-        clear_lyrics_cache()
-        return {
-            "current_lyric_time": None,
-            "current_lyric": None,
-            "next_lyric": None,
-            "next_next_lyric": None,
-            "track_name": None,
-            "artist_name": None
-        }
-    
-    track_name = status.get("track_name")
-    artist = status.get("artist")
-    position = status.get("position", 0)
-    
-    # 检查是否切换了歌曲
-    if _lyrics_cache["track_name"] != track_name or _lyrics_cache["artist"] != artist:
-        logger.debug(f"歌曲切换，重新获取歌词: {track_name} - {artist}")
-        # 清空缓存
-        _lyrics_cache["track_name"] = track_name
-        _lyrics_cache["artist"] = artist
-        _lyrics_cache["lyrics_text"] = None
-        _lyrics_cache["deleted"] = False
-        
-        # 1. 先尝试从数据库获取
-        lyrics_text = load_lyrics_from_db(track_name, artist)
-        if lyrics_text:
-            _lyrics_cache["lyrics_text"] = lyrics_text
-            _lyrics_cache["source"] = "db"
-        
-        # 2. 如果本地没有，且不是被删除的歌词，尝试从网易云音乐API获取歌词
-        elif not _lyrics_cache["lyrics_text"] and not _lyrics_cache.get("deleted", False):
-            lyrics_text = search_lyrics(track_name, artist)
-            if lyrics_text:
-                # 保存到数据库
-                save_lyrics(track_name, artist, lyrics_text)
-                _lyrics_cache["lyrics_text"] = lyrics_text
-                _lyrics_cache["source"] = "netease"
-    
-    # 如果有缓存的歌词，直接解析
-    if _lyrics_cache["lyrics_text"]:
-        if _lyrics_cache.get("deleted", False):
-            return {
-                "current_lyric_time": None,
-                "current_lyric": None,
-                "next_lyric": None,
-                "next_next_lyric": None,
-            }
-        # 根据播放位置解析当前歌词
-        current, next_, next_next, current_time = format_lrc_lyrics(_lyrics_cache["lyrics_text"], position)
-        if current or next_ or next_next:
-            return {
-                "current_lyric_time": current_time,
-                "current_lyric": current,
-                "next_lyric": next_,
-                "next_next_lyric": next_next,
-                "track_name": track_name,
-                "artist_name": artist,
-                "lyrics_source": _lyrics_cache["source"]  # 标记歌词来源
-            }
-
-
-    # 都没找到返回空
-    return {
-        "current_lyric_time": None,
-        "current_lyric": None,
-        "next_lyric": None,
-        "next_next_lyric": None,
-        "track_name": track_name,
-        "artist_name": artist,
-        "lyrics_source": "none"  # 标记歌词来源
-    }
-
-def create_secret_key(size):
-    """生成随机密钥"""
-    return ''.join(random.choice('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789') for _ in range(size))
-
-def aes_encrypt(text, key):
-    """AES加密"""
-    pad = 16 - len(text) % 16
-    text = text + chr(pad) * pad
-    encryptor = AES.new(key.encode('utf-8'), AES.MODE_CBC, IV.encode('utf-8'))
-    encrypt_text = encryptor.encrypt(text.encode('utf-8'))
-    encrypt_text = base64.b64encode(encrypt_text).decode('utf-8')
-    return encrypt_text
-
-def rsa_encrypt(text, pubkey, modulus):
-    """RSA加密"""
-    text = text[::-1]
-    rs = pow(int(codecs.encode(text.encode('utf-8'), 'hex'), 16), int(pubkey, 16), int(modulus, 16))
-    return format(rs, 'x').zfill(256)
-
-headers = {
-    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36',
-    'Referer': 'https://music.163.com/',
-    'Origin': 'https://music.163.com',
-    'Content-Type': 'application/x-www-form-urlencoded'
-}
-def encrypt_request(text):
-    """加密请求数据"""
-    secret_key = create_secret_key(16)
-    params = aes_encrypt(text, NONCE)
-    params = aes_encrypt(params, secret_key)
-    encSecKey = rsa_encrypt(secret_key, PUBKEY, MODULUS)
-    return {
-        'params': params,
-        'encSecKey': encSecKey
-    }
-
-def get_lyrics_from_netease(track_name, artist_name):
-    # 构建搜索关键词
-    search_keyword = f"{track_name} {artist_name}"
-    
-    # 搜索歌曲
-    data = {
-        's': search_keyword,
-        'type': 1,  # 1: 单曲, 10: 专辑, 100: 歌手, 1000: 歌单
-        'limit': 5,
-        'offset': 0,
-        'hlpretag': '<span class="s-fc7">',
-        'hlposttag': '</span>',
-        'total': True,
-        'csrf_token': ''
-    }
-    
-    encrypted_data = encrypt_request(json.dumps(data))
-    response = requests.post(NETEASE_SEARCH_URL, data=encrypted_data, headers=headers)
-    logger.debug(f"网易云音乐搜索响应: {response.text}")
-    response.raise_for_status()
-    
-    result = response.json()
-    return result
-
-def get_lyrics_from_id(id):
-    """从网易云音乐获取歌词"""
-    # 获取歌词
-    data = {
-        'id': id,
-        'lv': 1,  # 获取歌词
-        'kv': 1,  # 获取翻译
-        'tv': -1,  # 不获取罗马音
-        'csrf_token': ''
-    }
-    
-    encrypted_data = encrypt_request(json.dumps(data))
-    response = requests.post(NETEASE_LYRIC_URL, data=encrypted_data, headers=headers)
-    response.raise_for_status()
-    
-    result = response.json()
-    return result
-    
-
-def search_lyrics(track_name, artist_name):
-    """从网易云音乐搜索并获取歌词"""
-    try:
-        result = get_lyrics_from_netease(track_name, artist_name)
-        if result['code'] == 200 and result['result']['songCount'] > 0:
-            song = result['result']['songs'][0]
-            id = song['id']
-            lrc_result = get_lyrics_from_id(id)
-            if lrc_result['code'] == 200 and 'lrc' in lrc_result:
-                logger.debug(f"网易云音乐歌词: {lrc_result['lrc']['lyric']}")
-                return lrc_result['lrc']['lyric']
-                
-        return None
-    except Exception as e:
-        logger.error(f"从网易云音乐获取歌词时出错: {e}", exc_info=True)
-        return None
-def format_lyrics(lyrics):
-    """格式化歌词文本，保留时间信息"""
-    if not lyrics:
-        logger.debug("歌词内容为空")
-        return []
-        
-    lyric_lines = []
-    for line in lyrics.split('\n'):
-        line = line.strip()
-        if not line:
-            continue
-            
-        # 查找所有时间标记
-        time_tags = re.findall(r'\[([0-9:.]+)\]', line)
-        if not time_tags:
-            continue
-            
-        text = re.sub(r'\[[0-9:.]+\]', '', line).strip()
-        if not text:
-            continue
-        
-        # 可能一行有多个时间标记
-        for time_tag in time_tags:
-            try:
-                time_seconds = parse_time(time_tag)
-                lyric_lines.append(LyricLine(time_seconds, text))
-            except Exception as e:
-                logger.error(f"解析时间标记出错: {time_tag}, 错误: {e}")
-    
-    # 按时间排序
-    sorted_lyrics = sorted(lyric_lines, key=lambda x: x.time)
-    logger.debug(f"解析完成，共 {len(sorted_lyrics)} 行歌词")
-    return sorted_lyrics
-
-def save_lyrics(track_name, artist, lyrics):
-    """保存歌词到本地文件，如果已存在则更新"""
-    try:
-        conn = sqlite3.connect(DB_PATH)
-        cursor = conn.cursor()
-        cursor.execute('''
-        INSERT INTO lyrics (track_name, artist, lyrics_content)
-        VALUES (?, ?, ?)
-        ON CONFLICT(track_name, artist) 
-        DO UPDATE SET 
-            lyrics_content = excluded.lyrics_content,
-            created_at = CURRENT_TIMESTAMP
-        ''', (track_name, artist, lyrics))
-        conn.commit()
-        conn.close()
-        logger.debug(f"歌词已保存/更新到数据库: {track_name} - {artist}")
-    except Exception as e:
-        logger.error(f"保存歌词时出错: {e}", exc_info=True)
-
-def delete_lyrics(track_name, artist):
-    """从数据库中删除歌词"""
-    try:
-        conn = sqlite3.connect(DB_PATH)
-        cursor = conn.cursor()
-        cursor.execute('''
-        DELETE FROM lyrics WHERE track_name = ? AND artist = ?
-        ''', (track_name, artist))
-        conn.commit()
-        deleted = cursor.rowcount > 0
-        conn.close()
-        
-        if deleted:
-            logger.info(f"已删除歌词: {track_name} - {artist}")
-            # 标记这首歌的歌词已被删除，避免重新获取
-            _lyrics_cache["deleted"] = True
-            return True
-        else:
-            logger.warning(f"未找到要删除的歌词: {track_name} - {artist}")
-            return False
-    except Exception as e:
-        logger.error(f"删除歌词时出错: {e}", exc_info=True)
-        return False
--- a/backend/modules/routes.py
+++ b/backend/modules/routes.py
@@ -1,205 +0,0 @@
-"""
-路由模块
-包含所有API端点的定义和处理逻辑
-"""
-import asyncio
-import time
-import logging
-from fastapi import WebSocket, WebSocketDisconnect
-from pydantic import BaseModel
-from .apple_music import get_music_status, control_music
-from .lyrics import get_lyrics_data, delete_lyrics, get_lyrics_from_netease, get_lyrics_from_id, save_lyrics, clear_lyrics_cache
-from .websocket_manager import ConnectionManager
-
-logger = logging.getLogger(__name__)
-
-# 音乐控制请求模型
-class ControlRequest(BaseModel):
-    action: str  # 'playpause', 'previous', 'next', 'seek'
-    position: float = None  # 仅当 action=='seek' 时有效
-
-# 手动搜索歌词请求模型
-class SearchLyricsRequest(BaseModel):
-    track_name: str
-    artist: str
-
-# 获取指定ID的歌词请求模型
-class GetLyricsFromIdRequest(BaseModel):
-    id: int
-    track_name: str
-    artist: str
-
-def register_routes(app, manager: ConnectionManager):
-    """注册所有API路由到FastAPI应用"""
-    
-    # 保留向下兼容的HTTP接口
-    @app.get("/status")
-    def status_endpoint():
-        """获取 Apple Music 播放状态"""
-        return get_music_status()
-
-    @app.get("/lyrics")
-    def lyrics_endpoint():
-        """获取当前歌词"""
-        status = get_music_status()
-        return get_lyrics_data(status)
-
-    @app.delete("/lyrics")
-    def delete_lyrics_endpoint(track_name: str, artist: str):
-        """删除指定歌曲的歌词"""
-        success = delete_lyrics(track_name, artist)
-        if success:
-            return {"status": "success", "message": "歌词已删除"}
-        else:
-            return {"status": "error", "message": "未找到要删除的歌词"}
-
-    @app.post("/lyrics/search")
-    def search_lyrics_endpoint(request: SearchLyricsRequest):
-        """手动搜索歌词"""
-        try:
-            # 搜索歌词
-            result = get_lyrics_from_netease(request.track_name, request.artist)
-            if result['code'] == 200 and result['result']['songCount'] > 0:
-                songs = result['result']['songs']
-                return {
-                    "status": "success",
-                    "songs": songs
-                }
-
-            else:
-                return {
-                    "status": "error",
-                    "message": "未找到歌词"
-                }
-        except Exception as e:
-            logger.error(f"搜索歌词时出错: {e}", exc_info=True)
-            return {
-                "status": "error",
-                "message": f"搜索歌词时出错: {str(e)}"
-            }
-
-    @app.post("/lyrics/getLyricsFromId")
-    def get_lyrics_from_id_endpoint(request: GetLyricsFromIdRequest):
-        """获取指定ID的歌词"""
-        result = get_lyrics_from_id(request.id)
-        if result['code'] == 200 and 'lrc' in result:
-            logger.debug(f"网易云音乐歌词: {result['lrc']['lyric']}")
-            lyrics_text = result['lrc']['lyric']
-            # 保存到数据库
-            save_lyrics(request.track_name, request.artist, lyrics_text)
-            clear_lyrics_cache()
-        return {
-            "status": "success",
-        }
-
-    # 添加播放控制接口
-    @app.post("/control")
-    async def control_endpoint(request: ControlRequest):
-        """控制Apple Music播放"""
-        result = control_music(request.action, request.position)
-        
-        # 如果控制成功，广播更新的状态给所有WebSocket客户端
-        if result["status"] == "success":
-            # 延迟一下，让Apple Music有时间执行命令
-            await asyncio.sleep(0.1)
-            status = get_music_status()
-            lyrics = get_lyrics_data(status)
-            
-            combined_data = {
-                "type": "position_update",  # 添加消息类型
-                "timestamp": time.time(),
-                "status": status,
-                "lyrics": lyrics
-            }
-            
-            # 异步广播更新
-            asyncio.create_task(manager.broadcast(combined_data))
-            
-        return result
-
-    # WebSocket端点
-    @app.websocket("/ws")
-    async def websocket_endpoint(websocket: WebSocket):
-        """WebSocket连接处理，合并推送歌词和状态"""
-        await manager.connect(websocket)
-        
-        try:
-            # 连接建立后立即发送一次数据
-            status = get_music_status()
-            lyrics = get_lyrics_data(status)
-            
-            logger.info(f"发送初始状态数据: 当前歌曲={status.get('track_name', '无')}, 歌词可用={lyrics is not None}")
-            
-            combined_data = {
-                "type": "track_change",  # 确保添加消息类型
-                "timestamp": time.time(),
-                "status": status,
-                "lyrics": lyrics
-            }
-            
-            await websocket.send_json(combined_data)
-            
-            # 发送欢迎消息
-            await websocket.send_json({"type": "info", "message": "WebSocket连接已建立"})
-            
-            # 连接状态标志，用于安全终止循环
-            is_connected = True
-            
-            # 持续接收并处理客户端消息
-            while is_connected:
-                try:
-                    # 接收客户端消息，设置超时避免无限阻塞
-                    data = await asyncio.wait_for(websocket.receive_json(), timeout=1.0)
-                    logger.info(f"收到WebSocket消息: {data}")
-                    
-                    # 处理不同类型的消息
-                    if isinstance(data, dict):
-                        # 处理请求状态消息
-                        if data.get("type") == "request_status":
-                            logger.info("客户端请求状态更新")
-                            status = get_music_status()
-                            lyrics = get_lyrics_data(status)
-                            
-                            update_data = {
-                                "type": "track_change",  # 确保添加消息类型
-                                "timestamp": time.time(),
-                                "status": status,
-                                "lyrics": lyrics
-                            }
-                            
-                            await websocket.send_json(update_data)
-                        
-                        # 处理ping消息
-                        elif data.get("type") == "ping":
-                            logger.debug("收到客户端ping")
-                            await websocket.send_json({
-                                "type": "pong", 
-                                "timestamp": time.time()
-                            })
-                except WebSocketDisconnect:
-                    # 连接已断开，退出循环
-                    logger.info("WebSocket连接断开")
-                    is_connected = False
-                    break
-                except asyncio.TimeoutError:
-                    # 接收超时，但连接可能仍然有效，继续循环
-                    continue
-                except Exception as e:
-                    # 其他错误，记录后继续（除非是连接断开）
-                    if "disconnect" in str(e).lower() or "not connected" in str(e).lower():
-                        logger.info(f"WebSocket连接可能已断开: {e}")
-                        is_connected = False
-                        break
-                    else:
-                        logger.error(f"处理WebSocket消息时出错: {e}")
-                        # 继续监听下一条消息，不断开连接
-                        continue
-                
-        except WebSocketDisconnect:
-            logger.info("WebSocket连接断开 (外层异常)")
-        except Exception as e:
-            logger.error(f"WebSocket错误: {e}")
-        finally:
-            # 确保连接从管理器中移除
-            await manager.disconnect(websocket)
-            logger.info("WebSocket连接已清理")
--- a/backend/modules/websocket_manager.py
+++ b/backend/modules/websocket_manager.py
@@ -1,53 +0,0 @@
-"""
-WebSocket连接管理模块
-负责管理WebSocket连接和广播消息
-"""
-import asyncio
-import logging
-from typing import List
-from fastapi import WebSocket
-
-logger = logging.getLogger(__name__)
-
-class ConnectionManager:
-    def __init__(self):
-        self.active_connections: List[WebSocket] = []
-        self._lock = asyncio.Lock()  # 添加锁以保护连接列表
-
-    async def connect(self, websocket: WebSocket):
-        await websocket.accept()
-        async with self._lock:
-            # 检查连接是否已经存在，如果存在则不重复添加
-            if websocket not in self.active_connections:
-                self.active_connections.append(websocket)
-                logger.info(f"WebSocket客户端连接，当前连接数: {len(self.active_connections)}")
-
-    async def disconnect(self, websocket: WebSocket):
-        async with self._lock:
-            # 安全移除连接，如果不存在则忽略
-            if websocket in self.active_connections:
-                self.active_connections.remove(websocket)
-                logger.info(f"WebSocket客户端断开，当前连接数: {len(self.active_connections)}")
-
-    async def broadcast(self, data):
-        """向所有连接的客户端广播数据"""
-        async with self._lock:
-            # 复制列表以避免在迭代时修改
-            connections = self.active_connections.copy()
-        
-        # 在锁外处理发送操作
-        disconnect_list = []
-        for connection in connections:
-            try:
-                await connection.send_json(data)
-            except Exception as e:
-                logger.error(f"发送消息失败: {e}")
-                disconnect_list.append(connection)
-        
-        # 移除断开的连接
-        if disconnect_list:
-            async with self._lock:
-                for conn in disconnect_list:
-                    if conn in self.active_connections:
-                        self.active_connections.remove(conn)
-                        logger.info(f"移除断开的连接，剩余连接数: {len(self.active_connections)}")
--- a/backend/pyproject.toml
+++ b/backend/pyproject.toml
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,6 +0,0 @@
-fastapi>=0.95.0
-uvicorn[standard]>=0.22.0
-websockets>=10.4
-pydantic>=1.10.7
-requests>=2.31.0
-pycryptodome>=3.22.0
--- a/electron-app/main.js
+++ b/electron-app/main.js
@@ -2,16 +2,16 @@
 * lyroc 主程序文件
 * 使用模块化结构，只负责应用的生命周期管理和组件集成
 */
-const { app, protocol, ipcMain } = require('electron');
-const path = require('path');
-const fs = require('fs');
-const isDev = require('electron-is-dev');
+const { app, protocol, ipcMain } = require("electron");
+const path = require("path");
+const fs = require("fs");
+const isDev = require("electron-is-dev");

 // 导入自定义模块
-const windowManager = require('./modules/window-manager');
-const backendService = require('./modules/backend-service');
-const logger = require('./modules/logger');
-const searchWindowManager = require('./windows/search-window');
+const windowManager = require("./modules/window-manager");
+const backendService = require("./modules/backend-service");
+const logger = require("./modules/logger");
+const searchWindowManager = require("./windows/search-window");

 // 应用全局状态
 global.appReady = false;
@@ -21,197 +21,197 @@ global.appReady = false;
 */
 async function initApp() {
  try {
-    console.log('初始化应用...');
-    
+    console.log("初始化应用...");
+
    // 确保只有一个实例在运行
    const gotTheLock = app.requestSingleInstanceLock();
    if (!gotTheLock) {
-      console.log('另一个实例已经在运行');
+      console.log("另一个实例已经在运行");
      app.quit();
      return;
    }
-    
+
    // 创建加载窗口
    const loadingWindow = windowManager.createLoadingWindow();
-    windowManager.updateLoadingProgress(10, 'initializing');
-    
+    windowManager.updateLoadingProgress(10, "initializing");
+
    // 注册文件协议处理器
-    protocol.registerFileProtocol('file', (request, callback) => {
-      const url = request.url.replace('file://', '');
+    protocol.registerFileProtocol("file", (request, callback) => {
+      const url = request.url.replace("file://", "");
      try {
        return callback(decodeURIComponent(url));
      } catch (error) {
-        console.error('协议处理器错误:', error);
+        console.error("协议处理器错误:", error);
      }
    });
-    
+
    // 检查系统环境
-    console.log('运行模式:', isDev ? '开发' : '生产');
-    
+    console.log("运行模式:", isDev ? "开发" : "生产");
+
    // 清理可能运行的Python进程
    await backendService.cleanupExistingProcesses();
-    
+
    // 检查端口可用性
    await backendService.checkPort();
-    windowManager.updateLoadingProgress(30, 'allocatingPorts');
-    
+    windowManager.updateLoadingProgress(30, "allocatingPorts");
+
    // 获取前端随机端口
    await backendService.getFrontendPort();
-    
-    // 启动Python后端
-    windowManager.updateLoadingProgress(40, 'loadingBackend');
-    await backendService.startPythonBackend(isDev);
-    
+
+    // 启动Deno后端
+    windowManager.updateLoadingProgress(40, "loadingBackend");
+    await backendService.startDenoBackend(isDev);
+
    // 更新加载进度
-    windowManager.updateLoadingProgress(60, 'loadingFrontend');
-    
+    windowManager.updateLoadingProgress(60, "loadingFrontend");
+
    // 初始化窗口配置
-    windowManager.initConfig(app.getPath('userData'));
-    
+    windowManager.initConfig(app.getPath("userData"));
+
    // 创建窗口
-    windowManager.updateLoadingProgress(70, 'connecting');
+    windowManager.updateLoadingProgress(70, "connecting");
    const mainWindow = windowManager.createWindow(
-      null, 
-      backendService.getFrontendPortNumber(), 
+      null,
+      backendService.getFrontendPortNumber(),
      backendService.getBackendPort(),
      isDev
    );
-    
+
    // 更新加载进度
-    windowManager.updateLoadingProgress(80, 'connecting');
-    
+    windowManager.updateLoadingProgress(80, "connecting");
+
    // 设置窗口事件
    windowManager.setupWindowEvents();
-    
+
    // 设置IPC通信
    windowManager.setupIPC(
-      backendService.getBackendPort(), 
+      backendService.getBackendPort(),
      backendService.getFrontendPortNumber()
    );

    // 处理搜索窗口相关事件
-    ipcMain.on('open-search-window', () => {
-      console.log('收到打开搜索窗口请求');
+    ipcMain.on("open-search-window", () => {
+      console.log("收到打开搜索窗口请求");
      searchWindowManager.createWindow();
    });

-    ipcMain.on('close-search-window', () => {
-      console.log('收到关闭搜索窗口请求');
+    ipcMain.on("close-search-window", () => {
+      console.log("收到关闭搜索窗口请求");
      searchWindowManager.closeWindow();
    });

    // 处理发送数据到搜索窗口的请求
-    ipcMain.on('send-to-search-window', (_, data) => {
-      console.log('收到发送到搜索窗口的数据:', data);
+    ipcMain.on("send-to-search-window", (_, data) => {
+      console.log("收到发送到搜索窗口的数据:", data);
      searchWindowManager.receiveMainWindowData(data);
    });

    // 处理搜索窗口请求主窗口数据
-    ipcMain.on('request-main-window-data', () => {
-      console.log('收到搜索窗口数据请求');
+    ipcMain.on("request-main-window-data", () => {
+      console.log("收到搜索窗口数据请求");
      // 获取主窗口数据并发送
      const mainWindow = windowManager.mainWindow();
      if (mainWindow && !mainWindow.isDestroyed()) {
-        mainWindow.webContents.send('get-main-window-data');
+        mainWindow.webContents.send("get-main-window-data");
      }
    });
-    
+
    // 更新加载进度
-    windowManager.updateLoadingProgress(90, 'loadingLyrics');
-    
+    windowManager.updateLoadingProgress(90, "loadingLyrics");
+
    // 监听主窗口内容加载完成事件
-    mainWindow.webContents.once('did-finish-load', () => {
-      windowManager.updateLoadingProgress(100, 'ready');
-      
+    mainWindow.webContents.once("did-finish-load", () => {
+      windowManager.updateLoadingProgress(100, "ready");
+
      // 短暂延迟后关闭加载窗口
      setTimeout(() => {
        // 不需要在这里显示主窗口，动画结束时会自动显示
        windowManager.closeLoadingWindow();
      }, 500);
-      
+
      // 设置应用就绪标志
      global.appReady = true;
    });
  } catch (err) {
-    console.error('应用初始化失败:', err);
+    console.error("应用初始化失败:", err);
    app.quit();
  }
 }

 // Electron 应用就绪时
-app.on('ready', () => {
+app.on("ready", () => {
  // 设置日志记录
-  const logPath = logger.setupLogging(app.getPath('userData'));
-  
+  const logPath = logger.setupLogging(app.getPath("userData"));
+
  // 添加日志以显示Electron路径
-  console.log('Electron应用已准备就绪');
-  console.log('应用路径:', app.getAppPath());
-  console.log('__dirname:', __dirname);
-  console.log('用户数据路径:', app.getPath('userData'));
-  console.log('日志文件路径:', logPath);
-  
+  console.log("Electron应用已准备就绪");
+  console.log("应用路径:", app.getAppPath());
+  console.log("__dirname:", __dirname);
+  console.log("用户数据路径:", app.getPath("userData"));
+  console.log("日志文件路径:", logPath);
+
  // 检查资源路径
-  const resourcePath = isDev 
-    ? path.join(__dirname, '..', 'backend') 
-    : path.join(process.resourcesPath, 'backend');
-  console.log('后端资源路径:', resourcePath);
-  console.log('该路径存在:', fs.existsSync(resourcePath));
-  
+  const resourcePath = isDev
+    ? path.join(__dirname, "..", "backend")
+    : path.join(process.resourcesPath, "backend");
+  console.log("后端资源路径:", resourcePath);
+  console.log("该路径存在:", fs.existsSync(resourcePath));
+
  // 隐藏dock栏图标
-  if (process.platform === 'darwin' && app.dock) {
+  if (process.platform === "darwin" && app.dock) {
    app.dock.hide();
-    console.log('已隐藏Dock图标');
+    console.log("已隐藏Dock图标");
  }
-  
+
  // 启动应用初始化
  initApp()
    .then(() => {
-      console.log('应用初始化完成');
+      console.log("应用初始化完成");
    })
-    .catch(err => {
-      console.error('初始化应用失败:', err);
+    .catch((err) => {
+      console.error("初始化应用失败:", err);
    });
 });

 // 所有窗口关闭时退出应用
-app.on('window-all-closed', function() {
-  if (process.platform !== 'darwin') {
+app.on("window-all-closed", function () {
+  if (process.platform !== "darwin") {
    app.quit();
  }
 });

 // 应用激活时
-app.on('activate', function() {
+app.on("activate", function () {
  if (!windowManager.mainWindow()) {
    // 初始化窗口配置
-    windowManager.initConfig(app.getPath('userData'));
-    
+    windowManager.initConfig(app.getPath("userData"));
+
    // 重新创建窗口
    const mainWindow = windowManager.createWindow(
-      null, 
-      backendService.getFrontendPortNumber(), 
+      null,
+      backendService.getFrontendPortNumber(),
      backendService.getBackendPort(),
      isDev
    );
-    
+
    // 设置窗口事件
    windowManager.setupWindowEvents();
  }
 });

 // 应用退出前
-app.on('before-quit', () => {
+app.on("before-quit", () => {
  // 清理Python进程
  backendService.stopPythonBackend();
 });

 // 监听第二实例启动事件
-app.on('second-instance', (event, commandLine, workingDirectory) => {
+app.on("second-instance", (event, commandLine, workingDirectory) => {
  // 当尝试启动第二个实例时，让主窗口获得焦点
  const mainWindow = windowManager.mainWindow();
  if (mainWindow) {
    if (mainWindow.isMinimized()) mainWindow.restore();
    mainWindow.focus();
-    console.log('已有实例在运行，已将其窗口聚焦');
+    console.log("已有实例在运行，已将其窗口聚焦");
  }
 });
--- a/electron-app/modules/backend-service.js
+++ b/electron-app/modules/backend-service.js
@@ -1,16 +1,16 @@
 /**
 * 后端服务管理模块
- * 负责启动、管理和监控Python后端服务
+ * 负责启动、管理和监控Deno后端服务
 */
-const { spawn } = require('child_process');
-const path = require('path');
-const fs = require('fs');
-const findProcess = require('find-process');
-const getPort = require('get-port');
+const { spawn } = require("child_process");
+const path = require("path");
+const fs = require("fs");
+const findProcess = require("find-process");
+const getPort = require("get-port");

-// 存储Python进程引用
-let pythonProcess = null;
-let backendPort = 5000;
+// 存储Deno进程引用
+let denoProcess = null;
+let backendPort = 5005;
 let frontendPort = 5173;

 /**
@@ -19,12 +19,12 @@ let frontendPort = 5173;
 */
 async function checkPort() {
  try {
-    // 获取可用端口，首选5000
-    backendPort = await getPort({ port: 5000 });
+    // 获取可用端口，首选5005
+    backendPort = await getPort({ port: 5005 });
    console.log(`后端将使用端口: ${backendPort}`);
    return backendPort;
  } catch (err) {
-    console.error('获取可用端口失败:', err);
+    console.error("获取可用端口失败:", err);
    throw err;
  }
 }
@@ -40,179 +40,195 @@ async function getFrontendPort() {
    console.log(`前端将使用随机端口: ${frontendPort}`);
    return frontendPort;
  } catch (err) {
-    console.error('获取前端端口失败:', err);
+    console.error("获取前端端口失败:", err);
    throw err;
  }
 }

 /**
- * 清理已存在的Python进程
+ * 清理已存在的Deno进程
 * @returns {Promise<void>}
 */
 async function cleanupExistingProcesses() {
  try {
-    const processList = await findProcess('port', 5000);
-    
+    const processList = await findProcess("port", 5005);
+
    for (const proc of processList) {
-      if (proc.name.includes('python')) {
-        console.log(`杀死已存在的Python进程: PID ${proc.pid}`);
-        process.kill(proc.pid, 'SIGKILL');
+      if (proc.name.includes("deno")) {
+        console.log(`杀死已存在的Deno进程: PID ${proc.pid}`);
+        process.kill(proc.pid, "SIGKILL");
      }
    }
  } catch (err) {
-    console.error('清理进程失败:', err);
+    console.error("清理进程失败:", err);
  }
 }

 /**
- * 启动Python后端服务
+ * 启动Deno后端服务
 * @param {boolean} isDev 是否为开发模式
 * @returns {Promise<void>}
 */
-async function startPythonBackend(isDev) {
+async function startDenoBackend(isDev) {
  try {
    // 在开发模式和生产模式下使用不同的路径
-    let pythonPath;
    let scriptPath;
-    
+
    if (isDev) {
-      // 开发模式：使用项目中的虚拟环境
-      const venvPath = path.join(__dirname, '..', '..', 'backend', 'venv');
-      pythonPath = process.platform === 'win32' 
-        ? path.join(venvPath, 'Scripts', 'python.exe')
-        : path.join(venvPath, 'bin', 'python3');
-      scriptPath = path.join(__dirname, '..', '..', 'backend', 'main.py');
+      // 开发模式：使用项目中的Deno后端
+      scriptPath = path.join(__dirname, "..", "..", "backend-deno", "main.ts");
    } else {
-      // 生产模式：使用打包的虚拟环境
-      const venvPath = path.join(process.resourcesPath, 'backend', 'venv');
-      pythonPath = process.platform === 'win32'
-        ? path.join(venvPath, 'Scripts', 'python.exe')
-        : path.join(venvPath, 'bin', 'python3');
-      scriptPath = path.join(process.resourcesPath, 'backend', 'main.py');
+      // 生产模式：使用打包的Deno后端
+      scriptPath = path.join(process.resourcesPath, "backend-deno", "main.ts");
    }
-    
-    console.log(`启动Python后端: ${scriptPath} 在端口 ${backendPort}`);
+
+    console.log(`启动Deno后端: ${scriptPath} 在端口 ${backendPort}`);
    console.log(`后端脚本路径存在: ${fs.existsSync(scriptPath)}`);
-    console.log(`Python解释器路径: ${pythonPath}`);
-    
-    // 检查Python解释器是否存在
-    if (!fs.existsSync(pythonPath)) {
-      throw new Error(`Python解释器不存在: ${pythonPath}`);
+
+    // 检查Deno是否安装
+    try {
+      const denoCheck = spawn("deno", ["--version"], { stdio: "pipe" });
+      denoCheck.on("error", (err) => {
+        throw new Error(`Deno未安装或不在PATH中: ${err.message}`);
+      });
+    } catch (err) {
+      throw new Error(`Deno未安装或不在PATH中: ${err.message}`);
    }
-    
-    // 打印Python脚本目录内容
+
+    // 打印Deno脚本目录内容
    try {
      const scriptDir = path.dirname(scriptPath);
-      console.log(`后端目录内容: ${fs.readdirSync(scriptDir).join(', ')}`);
+      console.log(`后端目录内容: ${fs.readdirSync(scriptDir).join(", ")}`);
    } catch (err) {
      console.error(`无法读取后端目录: ${err}`);
    }
-    
+
    // 启动子进程
-    pythonProcess = spawn(pythonPath, [scriptPath], {
-      env: { ...process.env, PORT: backendPort.toString() },
-      stdio: 'pipe'  // 确保可以读取标准输出和错误
-    });
-    
-    // 输出Python进程的日志
-    pythonProcess.stdout.on('data', (data) => {
+    denoProcess = spawn(
+      "deno",
+      [
+        "run",
+        "--allow-net",
+        "--allow-run",
+        "--allow-read",
+        "--allow-write",
+        "--allow-env",
+        scriptPath,
+      ],
+      {
+        env: { ...process.env, PORT: backendPort.toString() },
+        stdio: "pipe", // 确保可以读取标准输出和错误
+      }
+    );
+
+    // 输出Deno进程的日志
+    denoProcess.stdout.on("data", (data) => {
      const output = data.toString().trim();
-      console.log(`Python后端输出: ${output}`);
+      console.log(`Deno后端输出: ${output}`);
    });
-    
-    pythonProcess.stderr.on('data', (data) => {
+
+    denoProcess.stderr.on("data", (data) => {
      const message = data.toString().trim();
      // 判断是否是错误日志还是普通日志
-      if (message.includes('ERROR') || message.includes('CRITICAL') || message.includes('WARN')) {
-        console.error(`Python后端错误: ${message}`);
+      if (
+        message.includes("ERROR") ||
+        message.includes("CRITICAL") ||
+        message.includes("WARN")
+      ) {
+        console.error(`Deno后端错误: ${message}`);
      } else {
-        console.log(`Python后端日志: ${message}`);
+        console.log(`Deno后端日志: ${message}`);
      }
    });
-    
-    pythonProcess.on('close', (code) => {
-      console.log(`Python后端退出，退出码: ${code}`);
+
+    denoProcess.on("close", (code) => {
+      console.log(`Deno后端退出，退出码: ${code}`);
      // 如果应用仍在运行，尝试重启后端
      if (global.appReady && code !== 0) {
-        console.log('尝试重启Python后端...');
-        setTimeout(() => startPythonBackend(isDev), 1000);
+        console.log("尝试重启Deno后端...");
+        setTimeout(() => startDenoBackend(isDev), 1000);
      }
    });
-    
+
    // 等待后端启动 - 改为检测后端是否真正启动完成而非固定等待时间
    return new Promise((resolve, reject) => {
      // 后端启动超时时间，开发模式较短，生产模式较长
      const maxTimeout = isDev ? 15000 : 30000;
      const startTime = Date.now();
      let backendReady = false;
-      
+
      // 添加额外的日志解析以检测后端就绪状态
-      pythonProcess.stdout.on('data', (data) => {
+      denoProcess.stdout.on("data", (data) => {
        const output = data.toString().trim();
-        console.log(`Python后端输出: ${output}`);
-        
-        // 检测后端就绪信号（uvicorn输出"Application startup complete"表示应用已启动）
-        if (output.includes('Application startup complete') || output.includes('INFO: Application startup complete')) {
-          console.log('检测到后端应用启动完成信号');
+        console.log(`Deno后端输出: ${output}`);
+
+        // 检测后端就绪信号（Deno输出"启动后端服务器在端口"表示应用已启动）
+        if (
+          output.includes("启动后端服务器在端口") ||
+          output.includes("Server running")
+        ) {
+          console.log("检测到后端应用启动完成信号");
          backendReady = true;
          // 再等待短暂时间确保所有服务都初始化完成
          setTimeout(() => {
-            console.log('后端已完全启动，准备创建前端窗口');
+            console.log("后端已完全启动，准备创建前端窗口");
            resolve();
          }, 500);
        }
      });
-      
+
      // 实现HTTP测试以检测后端是否正常响应
      const testBackendConnection = () => {
-        const http = require('http');
+        const http = require("http");
        const testUrl = `http://127.0.0.1:${backendPort}/`;
-        
+
        // 如果已经检测到后端就绪，不再继续测试
        if (backendReady) return;
-        
+
        // 检查是否超时
        if (Date.now() - startTime > maxTimeout) {
          console.warn(`后端启动超时(${maxTimeout}ms)，将继续尝试启动前端`);
          resolve();
          return;
        }
-        
-        http.get(testUrl, (res) => {
-          if (res.statusCode === 200 || res.statusCode === 404) {
-            // 404也表示服务器在运行，只是路径不存在
-            console.log('通过HTTP检测确认后端已启动');
-            backendReady = true;
-            resolve();
-          } else {
-            console.log(`后端响应状态码: ${res.statusCode}，继续等待...`);
+
+        http
+          .get(testUrl, (res) => {
+            if (res.statusCode === 200 || res.statusCode === 404) {
+              // 404也表示服务器在运行，只是路径不存在
+              console.log("通过HTTP检测确认后端已启动");
+              backendReady = true;
+              resolve();
+            } else {
+              console.log(`后端响应状态码: ${res.statusCode}，继续等待...`);
+              // 短时间后再次测试
+              setTimeout(testBackendConnection, 1000);
+            }
+          })
+          .on("error", (err) => {
+            console.log(`后端连接测试失败: ${err.message}, 继续等待...`);
            // 短时间后再次测试
            setTimeout(testBackendConnection, 1000);
-          }
-        }).on('error', (err) => {
-          console.log(`后端连接测试失败: ${err.message}, 继续等待...`);
-          // 短时间后再次测试
-          setTimeout(testBackendConnection, 1000);
-        });
+          });
      };
-      
+
      // 启动后端连接测试
      setTimeout(testBackendConnection, 1000);
    });
  } catch (err) {
-    console.error('启动Python后端失败:', err);
+    console.error("启动Python后端失败:", err);
    throw err;
  }
 }

 /**
- * 停止Python后端
+ * 停止Deno后端
 */
-function stopPythonBackend() {
-  if (pythonProcess) {
-    console.log('终止Python后端进程...');
-    pythonProcess.kill();
-    pythonProcess = null;
+function stopDenoBackend() {
+  if (denoProcess) {
+    console.log("终止Deno后端进程...");
+    denoProcess.kill();
+    denoProcess = null;
  }
 }

@@ -220,9 +236,9 @@ module.exports = {
  checkPort,
  getFrontendPort,
  cleanupExistingProcesses,
-  startPythonBackend,
-  stopPythonBackend,
+  startDenoBackend,
+  stopDenoBackend,
  getBackendPort: () => backendPort,
  getFrontendPortNumber: () => frontendPort,
-  getPythonProcess: () => pythonProcess
+  getDenoProcess: () => denoProcess,
 };
--- a/frontend/src/components/LyricWindow.vue
+++ b/frontend/src/components/LyricWindow.vue
@@ -113,16 +113,57 @@ function setupWebSocketHandlers() {
  websocketService.registerHandler('info', (data) => {
    console.log('服务器消息:', data.message);
  });
-  
+
+  // 处理后端Deno发出的综合更新消息（包含music与lyrics）
+  websocketService.registerHandler('music_update', (data) => {
+    console.log('收到 music_update');
+    const status = data.music;
+    const lyrics = data.lyrics;
+
+    if (status) {
+      positionTracker.updateState(
+        status.status,
+        status.position,
+        status.duration
+      );
+      // 填充歌曲信息（在没有歌词数据提供时）
+      if (status.track_name) trackName.value = status.track_name;
+      if (status.artist) artistName.value = status.artist;
+    }
+
+    if (lyrics) {
+      isLoadingLyrics.value = false;
+      currentLyric.value = lyrics.current_lyric || '';
+      nextLyric.value = lyrics.next_lyric || '';
+      nextNextLyric.value = lyrics.next_next_lyric || '';
+      if (lyrics.track_name) trackName.value = lyrics.track_name;
+      if (lyrics.artist_name) artistName.value = lyrics.artist_name;
+    }
+  });
+
+  // 处理后端Deno发出的仅歌词更新
+  websocketService.registerHandler('lyrics_update', (data) => {
+    console.log('收到 lyrics_update');
+    const lyrics = data.lyrics;
+    if (lyrics) {
+      isLoadingLyrics.value = false;
+      currentLyric.value = lyrics.current_lyric || '';
+      nextLyric.value = lyrics.next_lyric || '';
+      nextNextLyric.value = lyrics.next_next_lyric || '';
+      if (lyrics.track_name) trackName.value = lyrics.track_name;
+      if (lyrics.artist_name) artistName.value = lyrics.artist_name;
+    }
+  });
+
  // 处理心跳响应
  websocketService.registerHandler('pong', (data) => {
    console.log('收到服务器心跳响应');
  });
-  
+
  // 处理轨道变化消息 - 完整更新
  websocketService.registerHandler('track_change', (data) => {
    console.log('收到轨道变化:', data);
-    
+
    // 更新所有数据
    if (data.status) {
      positionTracker.updateState(
@@ -131,20 +172,20 @@ function setupWebSocketHandlers() {
        data.status.duration
      );
    }
-    
+
    if (data.lyrics) {
      // 有歌词数据，重置加载状态
      isLoadingLyrics.value = false;
-      
+
      console.log('更新歌词:', data.lyrics);
      currentLyric.value = data.lyrics.current_lyric || '';
      nextLyric.value = data.lyrics.next_lyric || '';
      nextNextLyric.value = data.lyrics.next_next_lyric || '';
-      
+
      if (data.lyrics.track_name) {
        trackName.value = data.lyrics.track_name;
      }
-      
+
      if (data.lyrics.artist_name) {
        artistName.value = data.lyrics.artist_name;
      }
@@ -152,12 +193,12 @@ function setupWebSocketHandlers() {
      // 没有歌词数据，设置加载状态
      console.log('歌曲切换，但没有歌词数据，显示加载中...');
      isLoadingLyrics.value = true;
-      
+
      // 清空歌词显示
      currentLyric.value = '';
      nextLyric.value = '';
      nextNextLyric.value = '';
-      
+
      // 可以保留歌曲信息（如果status中有的话）
      if (data.status) {
        trackName.value = data.status.track_name || trackName.value;
@@ -165,11 +206,11 @@ function setupWebSocketHandlers() {
      }
    }
  });
-  
+
  // 处理歌词变化消息 - 只更新歌词和相关状态
  websocketService.registerHandler('lyric_change', (data) => {
    console.log('收到歌词变化');
-    
+
    // 更新时间相关状态
    if (data.status) {
      positionTracker.updateState(
@@ -178,37 +219,37 @@ function setupWebSocketHandlers() {
        data.status.duration
      );
    }
-    
+
    // 更新歌词
    if (data.lyrics) {
      // 有歌词数据，重置加载状态
      isLoadingLyrics.value = false;
-      
+
      currentLyric.value = data.lyrics.current_lyric || '';
      nextLyric.value = data.lyrics.next_lyric || '';
      nextNextLyric.value = data.lyrics.next_next_lyric || '';
    }
  });
-  
+
  // 处理新增的歌词更新消息类型 - 专门用于接收后期加载的歌词
  websocketService.registerHandler('lyric_update', (data) => {
    console.log('收到歌词更新消息');
-    
+
    if (data.lyrics) {
      // 加载完成，重置加载状态
      isLoadingLyrics.value = false;
-      
+
      // 更新歌词内容
      currentLyric.value = data.lyrics.current_lyric || '';
      nextLyric.value = data.lyrics.next_lyric || '';
      nextNextLyric.value = data.lyrics.next_next_lyric || '';
    }
  });
-  
+
  // 处理播放停止消息 - 更新播放状态
  websocketService.registerHandler('playback_stopped', (data) => {
    console.log('收到播放停止消息');
-    
+
    // 更新播放状态
    positionTracker.updateState(
      data.status ? data.status.status : 'stopped',
@@ -216,11 +257,11 @@ function setupWebSocketHandlers() {
      null
    );
  });
-  
+
  // 处理播放暂停消息 - 线控暂停
  websocketService.registerHandler('playback_paused', (data) => {
    console.log('收到播放暂停消息 (线控暂停)');
-    
+
    // 更新播放状态
    positionTracker.updateState(
      'paused',
@@ -228,11 +269,11 @@ function setupWebSocketHandlers() {
      null
    );
  });
-  
+
  // 处理播放恢复消息 - 从暂停恢复
  websocketService.registerHandler('playback_resumed', (data) => {
    console.log('收到播放恢复消息');
-    
+
    // 更新播放状态
    positionTracker.updateState(
      'playing',
@@ -240,32 +281,32 @@ function setupWebSocketHandlers() {
      null
    );
  });
-  
+
  // 处理Apple Music未运行消息
  websocketService.registerHandler('app_not_running', (data) => {
    console.log('收到Apple Music未运行消息');
-    
+
    // 更新播放状态为notrunning
    positionTracker.updateState(
      'notrunning',
      0,
      0
    );
-    
+
    // 清空歌曲信息
    trackName.value = null;
    artistName.value = null;
-    
+
    // 清空歌词显示
    currentLyric.value = '';
    nextLyric.value = '';
    nextNextLyric.value = '';
  });
-  
+
  // 处理位置更新消息 - 只更新播放位置
  websocketService.registerHandler('position_update', (data) => {
    console.log('收到位置更新消息');
-    
+
    // 更新位置信息
    if (data.status && data.status.position !== undefined) {
      positionTracker.updateState(
@@ -302,10 +343,10 @@ const handleMouseLeave = () => {
 // 组件挂载时初始化
 onMounted(() => {
  console.log('组件已挂载');
-  
+
  // 注册WebSocket消息处理器
  setupWebSocketHandlers();
-  
+
  // 检查是否在Electron环境中，获取后端URL
  if (window.electronAPI) {
    window.electronAPI.getBackendUrl()
@@ -314,11 +355,11 @@ onMounted(() => {
        baseUrl.value = url;
        const wsUrl = url.replace('http://', 'ws://') + '/ws';
        console.log('WebSocket URL设置为:', wsUrl);
-        
+
        // 设置WebSocket URL并连接
        websocketService.setWsUrl(wsUrl);
        websocketService.connect();
-        
+
        // 使用Electron提供的悬停状态，移除本地事件监听
        window.electronAPI.onMouseHoverChange((hovering) => {
          isHovering.value = hovering;
@@ -329,7 +370,7 @@ onMounted(() => {
            }
          }
        });
-        
+
        // 监听锁定窗口事件
        if (window.electronAPI.onToggleLockWindow) {
          window.electronAPI.onToggleLockWindow((locked) => {
@@ -359,35 +400,35 @@ onMounted(() => {
      .catch(err => {
        console.error('获取后端URL失败，使用默认URL', err);
        websocketService.connect();
-        
+
        // 设置鼠标移入移出事件（仅在非Electron环境或Electron API失败时使用）
        setupMouseEvents();
      });
  } else {
    websocketService.connect();
-    
+
    // 设置鼠标移入移出事件（仅在非Electron环境下使用）
    setupMouseEvents();
  }
-  
+
  // 设置定期检查连接状态的间隔
  const connectionCheckInterval = setInterval(() => {
    websocketService.checkAndRestoreConnection();
  }, 10000);
-  
+
  // 组件卸载时清理资源
  onUnmounted(() => {
    console.log('组件将卸载');
-    
+
    // 清理WebSocket连接
    websocketService.disconnect();
-    
+
    // 清理位置跟踪器
    positionTracker.cleanup();
-    
+
    // 清理连接检查定时器
    clearInterval(connectionCheckInterval);
-    
+
    // 移除鼠标事件监听器
    const lyricWindowEl = lyricWindow.value;
    if (lyricWindowEl) {
@@ -410,7 +451,7 @@ import request from '../utils/request';
 // 删除歌词
 const onDeleteLyrics = async () => {
  if (!trackName.value || !artistName.value) return;
-  
+
  try {
    const result = await request({
      url: '/lyrics',
@@ -420,7 +461,7 @@ const onDeleteLyrics = async () => {
        artist: artistName.value
      }
    });
-    
+
    if (result.status === 'success') {
      console.log('歌词已删除');
      // 清空当前歌词显示
@@ -440,6 +481,7 @@ const onDeleteLyrics = async () => {
 * {
  user-select: none;
 }
+
 .lyric-window {
  width: 100%;
  height: 100%;
@@ -452,24 +494,28 @@ const onDeleteLyrics = async () => {
  background: rgba(30, 30, 40);
  position: relative;
  overflow: hidden;
-  -webkit-app-region: drag; /* 使整个窗口可拖动 */
+  -webkit-app-region: drag;
+  /* 使整个窗口可拖动 */
  transition: background-color 0.3s ease;
 }

 /* 当鼠标不在窗口上时，背景完全透明 */
 .lyric-window.no-focus {
-  background: rgba(0, 0, 0, 0); /* 完全透明的背景 */
+  background: rgba(0, 0, 0, 0);
+  /* 完全透明的背景 */
 }

 /* 控制按钮等交互元素不可拖动 */
-:deep(.control-btn), :deep(.progress-bar) {
+:deep(.control-btn),
+:deep(.progress-bar) {
  -webkit-app-region: no-drag;
 }

 /* 控制栏容器样式 */
 .control-bar-container {
  width: 100%;
-  -webkit-app-region: drag; /* 允许控制栏区域拖动窗口 */
+  -webkit-app-region: drag;
+  /* 允许控制栏区域拖动窗口 */
  transition: opacity 0.3s ease;
 }

@@ -510,7 +556,8 @@ const onDeleteLyrics = async () => {
 .track-name {
  font-weight: bold;
  margin-right: 10px;
-  font-size: 20px;  /* 增大歌曲名 */
+  font-size: 20px;
+  /* 增大歌曲名 */
 }

 .artist-name {
@@ -530,9 +577,12 @@ const onDeleteLyrics = async () => {
 /* Make text fully opaque when window loses focus */
 .no-focus .lyric-line {
  opacity: 1;
-  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9),   /* 增加阴影深度 */
-               0 0 8px rgba(0, 0, 0, 0.8),     /* 增加阴影强度 */
-               0 1px 15px rgba(0, 0, 0, 0.7);  /* 添加额外的阴影层 */
+  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9),
+    /* 增加阴影深度 */
+    0 0 8px rgba(0, 0, 0, 0.8),
+    /* 增加阴影强度 */
+    0 1px 15px rgba(0, 0, 0, 0.7);
+  /* 添加额外的阴影层 */
 }

 .lyric-line.highlight {
@@ -543,9 +593,12 @@ const onDeleteLyrics = async () => {
 }

 .no-focus .lyric-line.highlight {
-  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95),   /* 增加阴影深度 */
-               0 0 10px rgba(0, 0, 0, 0.8),     /* 增加阴影强度 */
-               0 1px 20px rgba(0, 0, 0, 0.7);   /* 添加额外的阴影层 */
+  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95),
+    /* 增加阴影深度 */
+    0 0 10px rgba(0, 0, 0, 0.8),
+    /* 增加阴影强度 */
+    0 1px 20px rgba(0, 0, 0, 0.7);
+  /* 添加额外的阴影层 */
 }

 .lyric-line.next {
@@ -584,9 +637,17 @@ const onDeleteLyrics = async () => {
 }

@keyframes pulse {
-  0% { opacity: 0.5; }
-  50% { opacity: 1; }
-  100% { opacity: 0.5; }
+  0% {
+    opacity: 0.5;
+  }
+
+  50% {
+    opacity: 1;
+  }
+
+  100% {
+    opacity: 0.5;
+  }
 }

 .no-focus .loading-text {
--- a/frontend/src/store/index.js
+++ b/frontend/src/store/index.js
@@ -10,6 +10,6 @@ export const useLyricsStore = defineStore('lyrics', {
  state: () => ({
    trackName: '',
    artist: '',
-    baseUrl: 'http://127.0.0.1:5000'
+    baseUrl: 'http://127.0.0.1:5005'
  }),
 })
--- a/frontend/src/utils/musicControl.js
+++ b/frontend/src/utils/musicControl.js
@@ -20,7 +20,7 @@ async function sendControlCommand(action, position = null) {
    }
    
    const response = await request({
-      url: '/control',
+      url: '/music/control',
      method: 'POST',
      data: payload
    });
--- a/frontend/src/utils/websocketService.js
+++ b/frontend/src/utils/websocketService.js
@@ -7,7 +7,7 @@ import { ref } from 'vue';
 class WebSocketService {
  constructor() {
    this.socket = null;
-    this.wsUrl = ref('ws://127.0.0.1:5000/ws');
+    this.wsUrl = ref('ws://127.0.0.1:5005/ws');
    this.reconnectInterval = 1000; // 重连间隔（毫秒）
    this.reconnectTimer = null;
    this.pingInterval = null;
@@ -178,6 +178,11 @@ class WebSocketService {
    try {
      const data = JSON.parse(event.data);
      console.log('收到WebSocket消息类型:', data.type);
+      // 心跳：服务器发来的 ping，需要立即回复 pong 保持连接
+      if (data && data.type === 'ping') {
+        this.sendMessage({ type: 'pong' });
+        return;
+      }
      
      // 调用对应类型的消息处理器
      if (data.type && this.messageHandlers.has(data.type)) {