diff --git a/src/web/api/permissions-enforcement.test.ts b/src/web/api/permissions-enforcement.test.ts
index 42c1174..bd2104a 100644
--- a/src/web/api/permissions-enforcement.test.ts
+++ b/src/web/api/permissions-enforcement.test.ts
@@ -235,3 +235,129 @@ describe("permission enforcement on action routes", () => {
     });
   });
 });
+
+// --------------------------------------------------------------------------
+// Guest enforcement on the player routes. Guests carry per-flag permissions
+// (req.user.guest) instead of capabilities; authorize() opens a route only
+// when its guestFlag is set AND enabled. Routes with no guestFlag are denied
+// to guests no matter which flags are on. We reuse makeApp() (it injects
+// req.user and mounts the real player router over the fake bot manager) and
+// assert purely on 403-vs-not-403 — a 200/500 from the fake bot both prove
+// the gate let the request through.
+// --------------------------------------------------------------------------
+
+const SONG = { id: "1", platform: "netease", name: "x", artist: "y" };
+
+// Build a guest user with all flags off, then override the ones passed in.
+const guest = (perms: Partial<Record<string, boolean>> = {}) => ({
+  id: "__guest__",
+  username: "游客",
+  role: "guest" as const,
+  capabilities: new Set<string>(),
+  bots: "all" as const,
+  guest: {
+    addToQueue: false,
+    playNext: false,
+    playNow: false,
+    skip: false,
+    transport: false,
+    removeClear: false,
+    playMode: false,
+    ...perms,
+  },
+});
+
+const mountGuest = (perms: Partial<Record<string, boolean>> = {}) => makeApp(guest(perms));
+
+describe("guest enforcement on player routes", () => {
+  it("addToQueue flag gates POST /add, /add-song, /add-by-id", async () => {
+    const allow = mountGuest({ addToQueue: true });
+    const deny = mountGuest({ addToQueue: false });
+    for (const path of ["add", "add-song", "add-by-id"]) {
+      expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/${path}`).send({ song: SONG, songId: "1", query: "x" })).status).not.toBe(403);
+      expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/${path}`).send({ song: SONG, songId: "1", query: "x" })).status).toBe(403);
+    }
+  });
+
+  it("playNext flag gates /play-next-song", async () => {
+    expect((await request(mountGuest({ playNext: true })).post(`/api/player/${ALLOWED_BOT}/play-next-song`).send({ song: SONG })).status).not.toBe(403);
+    expect((await request(mountGuest({})).post(`/api/player/${ALLOWED_BOT}/play-next-song`).send({ song: SONG })).status).toBe(403);
+  });
+
+  it("playNow flag gates the new /play-now-song", async () => {
+    expect((await request(mountGuest({ playNow: true })).post(`/api/player/${ALLOWED_BOT}/play-now-song`).send({ song: SONG })).status).not.toBe(403);
+    expect((await request(mountGuest({})).post(`/api/player/${ALLOWED_BOT}/play-now-song`).send({ song: SONG })).status).toBe(403);
+    // playNext does NOT open play-now-song, and playNow does NOT open play-next-song.
+    expect((await request(mountGuest({ playNext: true })).post(`/api/player/${ALLOWED_BOT}/play-now-song`).send({ song: SONG })).status).toBe(403);
+    expect((await request(mountGuest({ playNow: true })).post(`/api/player/${ALLOWED_BOT}/play-next-song`).send({ song: SONG })).status).toBe(403);
+  });
+
+  it("skip flag gates /next", async () => {
+    expect((await request(mountGuest({ skip: true })).post(`/api/player/${ALLOWED_BOT}/next`)).status).not.toBe(403);
+    expect((await request(mountGuest({})).post(`/api/player/${ALLOWED_BOT}/next`)).status).toBe(403);
+  });
+
+  it("transport flag gates /pause, /resume, /seek, /volume", async () => {
+    const allow = mountGuest({ transport: true });
+    const deny = mountGuest({ transport: false });
+    expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/pause`)).status).not.toBe(403);
+    expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/resume`)).status).not.toBe(403);
+    expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/seek`).send({ position: 0 })).status).not.toBe(403);
+    expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/volume`).send({ volume: 50 })).status).not.toBe(403);
+    expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/pause`)).status).toBe(403);
+    expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/resume`)).status).toBe(403);
+    expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/seek`).send({ position: 0 })).status).toBe(403);
+    expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/volume`).send({ volume: 50 })).status).toBe(403);
+  });
+
+  it("playMode flag gates /mode, /fm", async () => {
+    const allow = mountGuest({ playMode: true });
+    const deny = mountGuest({ playMode: false });
+    expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/mode`).send({ mode: "seq" })).status).not.toBe(403);
+    expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/fm`).send({})).status).not.toBe(403);
+    expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/mode`).send({ mode: "seq" })).status).toBe(403);
+    expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/fm`).send({})).status).toBe(403);
+  });
+
+  it("removeClear flag gates /clear and DELETE /queue/:index", async () => {
+    const allow = mountGuest({ removeClear: true });
+    const deny = mountGuest({ removeClear: false });
+    expect((await request(allow).post(`/api/player/${ALLOWED_BOT}/clear`)).status).not.toBe(403);
+    expect((await request(allow).delete(`/api/player/${ALLOWED_BOT}/queue/0`)).status).not.toBe(403);
+    expect((await request(deny).post(`/api/player/${ALLOWED_BOT}/clear`)).status).toBe(403);
+    expect((await request(deny).delete(`/api/player/${ALLOWED_BOT}/queue/0`)).status).toBe(403);
+  });
+
+  it("each guest flag opens exactly its own route(s) — a single flag does not leak", async () => {
+    // With only addToQueue on, a transport route stays denied.
+    expect((await request(mountGuest({ addToQueue: true })).post(`/api/player/${ALLOWED_BOT}/pause`)).status).toBe(403);
+    // With only transport on, an add route stays denied.
+    expect((await request(mountGuest({ transport: true })).post(`/api/player/${ALLOWED_BOT}/add-song`).send({ song: SONG })).status).toBe(403);
+  });
+
+  it("guests are always denied /play, /prev, /stop, /play-song, /play-at, /play-playlist, /play-album, /playlist, /profile even with ALL flags on", async () => {
+    const all = mountGuest({
+      addToQueue: true,
+      playNext: true,
+      playNow: true,
+      skip: true,
+      transport: true,
+      removeClear: true,
+      playMode: true,
+    });
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/play`).send({ query: "x" })).status).toBe(403);
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/prev`)).status).toBe(403);
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/stop`)).status).toBe(403);
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/play-song`).send({ song: SONG })).status).toBe(403);
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/play-at`).send({ index: 0 })).status).toBe(403);
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/play-playlist`).send({ playlistId: "1" })).status).toBe(403);
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/play-album`).send({ albumId: "1" })).status).toBe(403);
+    expect((await request(all).post(`/api/player/${ALLOWED_BOT}/playlist`).send({ playlistId: "1" })).status).toBe(403);
+    expect((await request(all).put(`/api/player/${ALLOWED_BOT}/profile`).send({})).status).toBe(403);
+  });
+
+  it("members are unaffected — player.queue still reaches /add-song", async () => {
+    const m = makeApp(member(["player.queue"], [ALLOWED_BOT]));
+    expect((await request(m).post(`/api/player/${ALLOWED_BOT}/add-song`).send({ song: SONG })).status).not.toBe(403);
+  });
+});
diff --git a/src/web/api/player.ts b/src/web/api/player.ts
index 607e69b..4811d8f 100644
--- a/src/web/api/player.ts
+++ b/src/web/api/player.ts
@@ -4,7 +4,8 @@ import type { BotDatabase } from "../../data/database.js";
 import type { MusicProvider } from "../../music/provider.js";
 import type { Logger } from "../../logger.js";
 import { parseCommand } from "../../bot/commands.js";
-import { requirePermission, requireBotAccess } from "../middleware/requirePermission.js";
+import { requireBotAccess } from "../middleware/requirePermission.js";
+import { authorize } from "../middleware/authorize.js";
 
 export function createPlayerRouter(
   botManager: BotManager,
@@ -41,7 +42,7 @@ export function createPlayerRouter(
     return "";
   };
 
-  router.post("/:botId/play", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/play", authorize({ capability: "player.control" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { query, platform } = req.body;
@@ -61,7 +62,7 @@ export function createPlayerRouter(
     }
   });
 
-  router.post("/:botId/add", requirePermission("player.queue"), async (req, res) => {
+  router.post("/:botId/add", authorize({ capability: "player.queue", guestFlag: "addToQueue" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { query, platform } = req.body;
@@ -88,14 +89,14 @@ export function createPlayerRouter(
     }
   };
 
-  router.post("/:botId/pause", requirePermission("player.control"), simpleCommand("!pause"));
-  router.post("/:botId/resume", requirePermission("player.control"), simpleCommand("!resume"));
-  router.post("/:botId/next", requirePermission("player.control"), simpleCommand("!next"));
-  router.post("/:botId/prev", requirePermission("player.control"), simpleCommand("!prev"));
-  router.post("/:botId/stop", requirePermission("player.control"), simpleCommand("!stop"));
-  router.post("/:botId/clear", requirePermission("player.queue"), simpleCommand("!clear"));
+  router.post("/:botId/pause", authorize({ capability: "player.control", guestFlag: "transport" }), simpleCommand("!pause"));
+  router.post("/:botId/resume", authorize({ capability: "player.control", guestFlag: "transport" }), simpleCommand("!resume"));
+  router.post("/:botId/next", authorize({ capability: "player.control", guestFlag: "skip" }), simpleCommand("!next"));
+  router.post("/:botId/prev", authorize({ capability: "player.control" }), simpleCommand("!prev"));
+  router.post("/:botId/stop", authorize({ capability: "player.control" }), simpleCommand("!stop"));
+  router.post("/:botId/clear", authorize({ capability: "player.queue", guestFlag: "removeClear" }), simpleCommand("!clear"));
 
-  router.post("/:botId/fm", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/fm", authorize({ capability: "player.control", guestFlag: "playMode" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { platform } = req.body;
@@ -117,7 +118,7 @@ export function createPlayerRouter(
     }
   });
 
-  router.post("/:botId/volume", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/volume", authorize({ capability: "player.control", guestFlag: "transport" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { volume } = req.body;
@@ -145,7 +146,7 @@ export function createPlayerRouter(
 
   const VALID_MODES = new Set(["seq", "loop", "random", "rloop"]);
 
-  router.post("/:botId/mode", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/mode", authorize({ capability: "player.control", guestFlag: "playMode" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { mode } = req.body;
@@ -170,7 +171,7 @@ export function createPlayerRouter(
   });
 
   // Seek to position
-  router.post("/:botId/seek", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/seek", authorize({ capability: "player.control", guestFlag: "transport" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { position } = req.body; // seconds
@@ -194,7 +195,7 @@ export function createPlayerRouter(
     res.json({ queue: bot.getQueue(), status: bot.getStatus() });
   });
 
-  router.delete("/:botId/queue/:index", requirePermission("player.queue"), async (req, res) => {
+  router.delete("/:botId/queue/:index", authorize({ capability: "player.queue", guestFlag: "removeClear" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const cmd = parseCommand(`!remove ${req.params.index}`, "!")!;
@@ -206,7 +207,7 @@ export function createPlayerRouter(
   });
 
   // Jump to a specific index in the queue (without clearing it)
-  router.post("/:botId/play-at", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/play-at", authorize({ capability: "player.control" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { index } = req.body;
@@ -240,7 +241,7 @@ export function createPlayerRouter(
     }
   });
 
-  router.post("/:botId/playlist", requirePermission("player.queue"), async (req, res) => {
+  router.post("/:botId/playlist", authorize({ capability: "player.queue" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { playlistId, platform } = req.body;
@@ -257,7 +258,7 @@ export function createPlayerRouter(
 
   // Play a playlist by ID — stores metadata only, resolves URL for first song
   // Respects current play mode (random = pick random first song)
-  router.post("/:botId/play-playlist", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/play-playlist", authorize({ capability: "player.control" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { playlistId, platform } = req.body;
@@ -344,7 +345,7 @@ export function createPlayerRouter(
   });
 
   // Play an album by ID — mirrors play-playlist but calls getAlbumSongs
-  router.post("/:botId/play-album", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/play-album", authorize({ capability: "player.control" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { albumId, platform } = req.body;
@@ -416,7 +417,7 @@ export function createPlayerRouter(
   });
 
   // Play a single song by ID — resolves URL on demand
-  router.post("/:botId/play-song", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/play-song", authorize({ capability: "player.control" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { song } = req.body;
@@ -444,7 +445,7 @@ export function createPlayerRouter(
 
   // Insert a single song to play right after the current one.
   // If nothing is playing, behaves like /play-song (start immediately).
-  router.post("/:botId/play-next-song", requirePermission("player.control"), async (req, res) => {
+  router.post("/:botId/play-next-song", authorize({ capability: "player.control", guestFlag: "playNext" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { song } = req.body;
@@ -482,7 +483,35 @@ export function createPlayerRouter(
     }
   });
 
-  router.post("/:botId/add-song", requirePermission("player.queue"), async (req, res) => {
+  // Play a song "now" without clearing the queue: insert after current, then
+  // promote to current and start it. Non-destructive (unlike /play-song which
+  // clears the whole queue) — this is the guest-safe "play now".
+  router.post("/:botId/play-now-song", authorize({ capability: "player.control", guestFlag: "playNow" }), async (req, res) => {
+    try {
+      const bot = (req as any).bot;
+      const { song } = req.body;
+      if (!song || !song.id || !song.platform) {
+        res.status(400).json({ error: "song object with id and platform is required" });
+        return;
+      }
+      const queue = bot.getQueueManager();
+      const insertedAt =
+        queue.getCurrentIndex() < 0 ? queue.size() : queue.getCurrentIndex() + 1;
+      queue.addNext(song);
+      queue.playAt(insertedAt);
+      bot.getPlayer().resetFailures();
+      const ok = await bot.resolveAndPlay(queue.current()!);
+      if (!ok) {
+        res.json({ ok: false, message: `无法播放「${song.name || song.id}」（区域/版权限制）` });
+        return;
+      }
+      res.json({ ok: true, message: `正在播放：${song.name || "Unknown"} - ${song.artist || "Unknown"}` });
+    } catch (err) {
+      res.status(500).json({ error: (err as Error).message });
+    }
+  });
+
+  router.post("/:botId/add-song", authorize({ capability: "player.queue", guestFlag: "addToQueue" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { song } = req.body;
@@ -510,7 +539,7 @@ export function createPlayerRouter(
   });
 
   // Add a song to queue by ID — metadata only
-  router.post("/:botId/add-by-id", requirePermission("player.queue"), async (req, res) => {
+  router.post("/:botId/add-by-id", authorize({ capability: "player.queue", guestFlag: "addToQueue" }), async (req, res) => {
     try {
       const bot = (req as any).bot;
       const { songId, platform } = req.body;
@@ -548,7 +577,7 @@ export function createPlayerRouter(
     res.json(bot.getProfileManager().getConfig());
   });
 
-  router.put("/:botId/profile", requirePermission("bot.manage"), (req, res) => {
+  router.put("/:botId/profile", authorize({ capability: "bot.manage" }), (req, res) => {
     try {
       const bot = (req as any).bot;
       const pm = bot.getProfileManager();