diff --git a/mute-btn.png b/mute-btn.png
new file mode 100644
index 0000000..2bdcc4b
Binary files /dev/null and b/mute-btn.png differ
diff --git a/star-raid/css/style.css b/star-raid/css/style.css
index 339fca7..6a293e5 100644
--- a/star-raid/css/style.css
+++ b/star-raid/css/style.css
@@ -102,6 +102,12 @@ h1.logo{font-size:clamp(20px,5.4vw,44px);color:#fff;letter-spacing:4px;line-heig
 #tb-pause{position:absolute;top:6px;right:6px;z-index:46;font:inherit;font-size:11px;width:40px;height:40px;
   background:rgba(16,26,51,.7);border:3px solid var(--line);color:var(--ink);letter-spacing:1px}
 #tb-pause:active{background:var(--cyan);color:#000}
+#b-mute{position:absolute;top:10px;right:10px;z-index:5;width:42px;height:42px;
+  display:flex;align-items:center;justify-content:center;
+  background:rgba(16,26,51,.85);border:3px solid var(--line);color:var(--ink);cursor:pointer;padding:0;line-height:1}
+#b-mute canvas{image-rendering:pixelated;pointer-events:none}
+#b-mute:hover{border-color:var(--cyan);color:var(--cyan)}
+#b-mute:active{background:var(--cyan);color:#000}
 .blink{animation:blk 1s steps(2) infinite}
 @keyframes blk{50%{opacity:.25}}
 .help-list{font-size:clamp(7px,1.5vw,10px);color:var(--ink);line-height:2.2;letter-spacing:2px;text-align:left}
diff --git a/star-raid/index.html b/star-raid/index.html
index 59b2317..83778b5 100644
--- a/star-raid/index.html
+++ b/star-raid/index.html
@@ -63,6 +63,7 @@
 
   <!-- 标题 -->
   <div class="ovl hide" id="o-title">
+    <button id="b-mute" title="静音开关（跟随账号云端保存）"><canvas id="b-mute-icon" width="36" height="26"></canvas></button>
     <div class="tag">PIXEL ROGUELIKE SHMUP</div>
     <h1 class="logo">STAR<br>RAID</h1>
     <div class="logo-cn">星尘突击队</div>
diff --git a/star-raid/js/audio.js b/star-raid/js/audio.js
index 8136c58..82d8109 100644
--- a/star-raid/js/audio.js
+++ b/star-raid/js/audio.js
@@ -4,9 +4,11 @@ const AU={ctx:null,master:null,mgain:null,simMute:false,
  init(){ if(this.ctx) return;
    try{ this.ctx=new (window.AudioContext||window.webkitAudioContext)();
      this.master=this.ctx.createGain(); this.master.gain.value=0.5; this.master.connect(this.ctx.destination);
-     this.mgain=this.ctx.createGain(); this.mgain.gain.value=SAVE.music?0.16:0; this.mgain.connect(this.master);
+     this.mgain=this.ctx.createGain(); this.mgain.gain.value=(SAVE.mute||!SAVE.music)?0:0.16; this.mgain.connect(this.master);
    }catch(e){}
  },
+ /* 音乐音量统一闸门：静音 或 音乐关 都归零（SAVE.mute 管 SFX 由 tone/noise 自查） */
+ applyMute(){ if(this.mgain) this.mgain.gain.value=(SAVE.mute||!SAVE.music)?0:0.16; },
  now(){return this.ctx?this.ctx.currentTime:0;},
  env(g,t,a,d,v){g.gain.setValueAtTime(0,t);g.gain.linearRampToValueAtTime(v,t+a);g.gain.exponentialRampToValueAtTime(0.001,t+a+d);},
  tone(f,type,dur,vol=0.2,slide=0){ if(!this.ctx||SAVE.mute||this.simMute)return;
diff --git a/star-raid/js/core.js b/star-raid/js/core.js
index c9d69ec..e9e99ae 100644
--- a/star-raid/js/core.js
+++ b/star-raid/js/core.js
@@ -53,7 +53,7 @@ addEventListener("keydown",e=>{
   if(GAMEKEYS.includes(e.code))e.preventDefault();
   KEYS[e.code]=true;
   AU.init(); if(AU.ctx&&AU.ctx.state==="suspended")AU.ctx.resume();
-  if(e.code==="KeyM"){SAVE.music=!SAVE.music;if(AU.mgain)AU.mgain.gain.value=SAVE.music?0.16:0;persist();}
+  if(e.code==="KeyM"){SAVE.music=!SAVE.music;AU.applyMute();persist();}
   if(e.code==="Escape"&&UI==="demoSim"){exitDemoSim();return;}
   if(e.code==="KeyP"||e.code==="Escape")togglePause();
   if(UI==="cards"&&["Digit1","Digit2","Digit3"].includes(e.code))pickCard(+e.code.slice(-1)-1);
diff --git a/star-raid/js/net.js b/star-raid/js/net.js
index 2baecca..d7e8ba1 100644
--- a/star-raid/js/net.js
+++ b/star-raid/js/net.js
@@ -51,8 +51,11 @@ const NET = {
     SAVE.codex = {};
     SAVE.coins = 0; SAVE.ships = ["falcon"]; SAVE.m = {};
     SAVE.best = { s0: 0, s1: 0, e0: 0, e1: 0, stage: 0 }; SAVE.rush = {};
+    SAVE.mute = false; SAVE.music = true;   // 音频开关也防串号，恢复默认
     if (typeof SETUP !== "undefined") SETUP.ship = "falcon";
     persist();
+    if (typeof updateMuteBtn === "function") updateMuteBtn();
+    if (typeof AU !== "undefined") AU.applyMute();
   },
 
   /* 应用服务端返回的用户数据：图鉴以服务端为准【替换】本地
@@ -72,10 +75,14 @@ const NET = {
       SAVE.m = Object.assign({}, d.state.m);
       SAVE.best = Object.assign({ s0: 0, s1: 0, e0: 0, e1: 0, stage: 0 }, d.state.best);
       SAVE.rush = Object.assign({}, d.state.rush);
+      SAVE.mute = d.state.mute === true;        // 音频开关跟随账号（缺省不静音）
+      SAVE.music = d.state.music !== false;     // 缺省音乐开
       if (d.state.ship && SAVE.ships.includes(d.state.ship) && typeof SETUP !== "undefined") SETUP.ship = d.state.ship;
     }
     persist();
     this._mutePush = false;
+    if (typeof updateMuteBtn === "function") updateMuteBtn();   // 刷新基地静音按钮图标
+    if (typeof AU !== "undefined") AU.applyMute();
     if (!d.state) this.pushState();   // 服务端无存档（老账号首登）：把本地存档上传初始化
   },
 
@@ -90,6 +97,7 @@ const NET = {
         coins: SAVE.coins, ships: SAVE.ships,
         ship: typeof SETUP !== "undefined" ? SETUP.ship : "falcon",
         m: SAVE.m, best: SAVE.best, rush: SAVE.rush || {},
+        mute: !!SAVE.mute, music: SAVE.music !== false,
       } }).catch(() => { /* 网络失败静默：本地存档仍在 */ });
     }, 600);
   },
diff --git a/star-raid/js/ui.js b/star-raid/js/ui.js
index eb14bf1..e6e081c 100644
--- a/star-raid/js/ui.js
+++ b/star-raid/js/ui.js
@@ -14,6 +14,49 @@ $("b-hangar").onclick=()=>{AU.init();buildShop();show("o-hangar");};
 $("b-codex").onclick=()=>{AU.init();buildCodex();show("o-codex");};
 $("b-rush").onclick=()=>{AU.init();buildRush();show("o-rush");};
 $("b-back6").onclick=()=>{UI="title";show("o-title");};
+/* 基地右上角：静音开关（SFX tone/noise 自查 SAVE.mute；音乐走 AU.applyMute 闸门；persist 触发云同步）
+   图标为手绘像素画：开声=青喇叭+绿音波 / 静音=灰喇叭+红叉 */
+const SPK_ON=[   // 音波三根竖线：从左到右由短到长
+".....SS.........",
+"....SSS.........",
+"..SSSSS........W",
+"SSSSSSS......W.W",
+"SSSSSSSS...W.W.W",
+"SSSSSSSSS..W.W.W",
+"SSSSSSSS...W.W.W",
+"SSSSSSS......W.W",
+"..SSSSS........W",
+"....SSS.........",
+".....SS........."];
+const SPK_OFF=[
+".....SS.........",
+"....SSS.........",
+"..SSSSS.........",
+"SSSSSSS...X...X.",
+"SSSSSSSS...X.X..",
+"SSSSSSSSS...X...",
+"SSSSSSSS...X.X..",
+"SSSSSSS...X...X.",
+"..SSSSS.........",
+"....SSS.........",
+".....SS........."];
+function updateMuteBtn(){
+  const c=$("b-mute-icon");if(!c)return;
+  const g=c.getContext("2d");g.clearRect(0,0,c.width,c.height);
+  const art=SAVE.mute?SPK_OFF:SPK_ON;
+  for(let y=0;y<art.length;y++)for(let x=0;x<art[y].length;x++){
+    const ch=art[y][x];if(ch===".")continue;
+    g.fillStyle=SAVE.mute?(ch==="X"?"#ff5566":"#7f8cb8"):(ch==="W"?"#5cff9d":"#41e6ff");
+    g.fillRect(x*2+2,y*2+2,2,2);
+  }
+}
+$("b-mute").onclick=()=>{
+  SAVE.mute=!SAVE.mute;persist();
+  AU.init();if(AU.ctx&&AU.ctx.state==="suspended")AU.ctx.resume();
+  AU.applyMute();updateMuteBtn();
+  if(!SAVE.mute)SFX.pick();   // 解除静音给个反馈音（静音时 tone 自查抑制）
+};
+updateMuteBtn();
 $("b-back4").onclick=()=>{UI="title";bestLine();show("o-title");};
 $("b-back5").onclick=exitDemoSim;
 /* 图鉴测试模式（隐藏入口）：连点图鉴标题“军”字10次开关。
diff --git a/star-raid/server/api.js b/star-raid/server/api.js
index df79f24..c618123 100644
--- a/star-raid/server/api.js
+++ b/star-raid/server/api.js
@@ -22,7 +22,7 @@ const RUN_MODES = new Set(["stage", "endless", "rush"]);
 const SHIP_KEYS = new Set(["falcon", "ghost", "bastion", "valkyrie", "asura"]);
 const PASSIVE_KEYS = new Set(["fire", "crit", "shield", "nano", "mag", "bounty", "odcore", "ghost"]);
 const META_MAX = { weapon: 2, armor: 2, hpup: 2, luck: 2, wallet: 3, mag2: 2, odstart: 1 };
-const DEFAULT_STATE = { coins: 0, ships: ["falcon"], ship: "falcon", m: {}, best: { s0: 0, s1: 0, e0: 0, e1: 0, stage: 0 }, rush: {} };
+const DEFAULT_STATE = { coins: 0, ships: ["falcon"], ship: "falcon", m: {}, best: { s0: 0, s1: 0, e0: 0, e1: 0, stage: 0 }, rush: {}, mute: false, music: true };
 
 const qInsUser = db.prepare("INSERT INTO users(username,email,pass_hash,created_at) VALUES(?,?,?,?)");
 const qInsStats = db.prepare("INSERT OR IGNORE INTO user_stats(user_id) VALUES(?)");
@@ -76,7 +76,10 @@ function vState(s) {
   const rush = {};
   if (s.rush && typeof s.rush === "object") for (const k of Object.keys(s.rush).slice(0, 32))
     if (/^\d{1,2}$/.test(k) && vInt(s.rush[k], 0, 8640000)) rush[k] = s.rush[k];
-  return { coins: s.coins, ships, ship, m, best, rush };
+  /* 音频开关：缺省=不静音/音乐开（老存档无此字段） */
+  const mute = s.mute === true;
+  const music = s.music !== false;
+  return { coins: s.coins, ships, ship, m, best, rush, mute, music };
 }
 
 /* 无尽模式断点存档校验（波次检查点快照；装备 key 复用图鉴白名单） */