diff --git a/libs/actions.js b/libs/actions.js
index 1a8597dd..544dc945 100644
--- a/libs/actions.js
+++ b/libs/actions.js
@@ -823,6 +823,13 @@ actions.prototype._selectChoices = function (length, keycode, callback) {
     if (keycode == 13 || keycode == 32 || keycode == 67) {
         callback.apply(this, [this.HSIZE, topIndex + core.status.event.selection]);
     }
+    //左右方向键调整 音量 行走速度
+    if(core.status.event.id == "switchs" && (core.status.event.selection == 2 || core.status.event.selection == 3))
+    {
+        if (keycode == 37) callback.apply(this, [this.HSIZE - 2, topIndex + core.status.event.selection]);
+        if (keycode == 39) callback.apply(this, [this.HSIZE + 2, topIndex + core.status.event.selection]);
+    }
+
     if (keycode >= 49 && keycode <= 57) {
         var index = keycode - 49;
         if (index < length) {
@@ -1910,11 +1917,11 @@ actions.prototype._keyUpSL = function (keycode) {
 
 ////// 系统设置界面时的点击操作 //////
 actions.prototype._clickSwitchs = function (x, y) {
-    if (x < this.CHOICES_LEFT || x > this.CHOICES_RIGHT) return;
     var choices = core.status.event.ui.choices;
     var topIndex = this.HSIZE - parseInt((choices.length - 1) / 2) + (core.status.event.ui.offset || 0);
-    if (y >= topIndex && y < topIndex + choices.length) {
-        var selection = y - topIndex;
+    var selection = y - topIndex;
+    if ((x < this.CHOICES_LEFT || x > this.CHOICES_RIGHT) && (x != this.HSIZE-2 && selection != 2) && (x != this.HSIZE+2 && selection != 2) && (x != this.HSIZE-2 && selection != 3) && (x != this.HSIZE+2 && selection != 3)) return;
+    if (selection >= 0 && selection < choices.length) {
         core.status.event.selection = selection;
         switch (selection) {
             case 0:
@@ -1922,18 +1929,24 @@ actions.prototype._clickSwitchs = function (x, y) {
             case 1:
                 return this._clickSwitchs_sound();
             case 2:
-                return this._clickSwitchs_moveSpeed();
+                if (x == this.HSIZE-2) { return this._clickSwitchs_userVolume(-0.1); }
+                else if (x == this.HSIZE+2) { return this._clickSwitchs_userVolume(0.1); }
+                return;
             case 3:
-                return this._clickSwitchs_displayEnemyDamage();
+                if (x == this.HSIZE-2) { return this._clickSwitchs_moveSpeed(-10); }
+                else if (x == this.HSIZE+2) { return this._clickSwitchs_moveSpeed(10); }
+                return;
             case 4:
-                return this._clickSwitchs_displayCritical();
+                return this._clickSwitchs_displayEnemyDamage();
             case 5:
-                return this._clickSwitchs_displayExtraDamage();
+                return this._clickSwitchs_displayCritical();
             case 6:
-                return this._clickSwitchs_localForage();
+                return this._clickSwitchs_displayExtraDamage();
             case 7:
-                return this._clickSwitchs_clickMove();
+                return this._clickSwitchs_localForage();
             case 8:
+                return this._clickSwitchs_clickMove();
+            case 9:
                 core.status.event.selection = 0;
                 core.ui.drawSettings();
                 break;
@@ -1952,16 +1965,25 @@ actions.prototype._clickSwitchs_sound = function () {
     core.ui.drawSwitchs();
 }
 
-actions.prototype._clickSwitchs_moveSpeed = function () {
-    core.myprompt("请输入行走速度（每走一步的时间，单位毫秒，默认100）", core.values.moveSpeed, function (value) {
-        value = parseInt(value) || core.values.moveSpeed;
-        value = core.clamp(value, 10, 500);
-        core.values.moveSpeed = value;
-        core.setLocalStorage("moveSpeed", value);
-        core.ui.drawSwitchs();
-    });
+actions.prototype._clickSwitchs_userVolume = function (delta) {
+    //浮点运算精度 JS弱类型
+    var value= parseFloat(Math.sqrt(core.musicStatus.userVolume).toFixed(1));
+    core.musicStatus.userVolume = parseFloat(Math.pow(core.clamp(parseFloat(value + delta), 0, 1), 2).toFixed(2));
+    //audioContext 音效 不受designVolume 影响
+    if(core.musicStatus.gainNode != null) core.musicStatus.gainNode.gain.value = core.musicStatus.userVolume;
+    if (core.musicStatus.playingBgm) core.material.bgms[core.musicStatus.playingBgm].volume = core.musicStatus.userVolume * core.musicStatus.designVolume;
+    core.setLocalStorage('userVolume', core.musicStatus.userVolume);
+    core.ui.drawSwitchs();
 }
 
+actions.prototype._clickSwitchs_moveSpeed = function (delta) {
+    var value = core.clamp(parseInt(core.values.moveSpeed + delta), 50, 200);
+    core.values.moveSpeed = parseInt(value);
+    core.setLocalStorage("moveSpeed", core.values.moveSpeed);
+    core.ui.drawSwitchs();
+}
+
+
 actions.prototype._clickSwitchs_displayEnemyDamage = function () {
     core.flags.displayEnemyDamage = !core.flags.displayEnemyDamage;
     core.updateDamage();
diff --git a/libs/control.js b/libs/control.js
index 523a0622..b978711d 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -2251,7 +2251,7 @@ control.prototype._playBgm_play = function (bgm, startTime) {
     // 缓存BGM
     core.loader.loadBgm(bgm);
     // 播放当前BGM
-    core.material.bgms[bgm].volume = core.musicStatus.volume;
+    core.material.bgms[bgm].volume = core.musicStatus.userVolume * core.musicStatus.designVolume;
     core.material.bgms[bgm].currentTime = startTime || 0;
     core.material.bgms[bgm].play();
     core.musicStatus.playingBgm = bgm;
@@ -2324,7 +2324,7 @@ control.prototype.playSound = function (sound) {
             core.musicStatus.playingSounds[id] = source;
         }
         else {
-            core.material.sounds[sound].volume = core.musicStatus.volume;
+            core.material.sounds[sound].volume = core.musicStatus.userVolume;
             core.material.sounds[sound].play();
         }
     }
diff --git a/libs/core.js b/libs/core.js
index 0268bb5a..d9c8f933 100644
--- a/libs/core.js
+++ b/libs/core.js
@@ -61,7 +61,8 @@ function core() {
         'lastBgm': null, // 上次播放的bgm
         'gainNode': null,
         'playingSounds': {}, // 正在播放的SE
-        'volume': 1.0, // 音量
+        'userVolume': 1.0, // 用户音量
+        'designVolume': 1.0, //设计音量
         'cachedBgms': [], // 缓存BGM内容
         'cachedBgmCount': 4, // 缓存的bgm数量
     }
@@ -302,6 +303,8 @@ core.prototype._init_platform = function () {
     }
     core.musicStatus.bgmStatus = core.getLocalStorage('bgmStatus', true);
     core.musicStatus.soundStatus = core.getLocalStorage('soundStatus', true);
+    //新增 userVolume 默认值1.0
+    core.musicStatus.userVolume = core.getLocalStorage('userVolume', 1.0);
     ["Android", "iPhone", "SymbianOS", "Windows Phone", "iPad", "iPod"].forEach(function (t) {
         if (navigator.userAgent.indexOf(t) >= 0) {
             if (t == 'iPhone' || t == 'iPad' || t == 'iPod') core.platform.isIOS = true;
diff --git a/libs/events.js b/libs/events.js
index 54defd83..8fbbc4e9 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -2540,16 +2540,16 @@ events.prototype.showGif = function (name, x, y) {
 ////// 淡入淡出音乐 //////
 events.prototype.setVolume = function (value, time, callback) {
     var set = function (value) {
-        core.musicStatus.volume = value;
+        core.musicStatus.designVolume = value;
         if (core.musicStatus.playingBgm)
-            core.material.bgms[core.musicStatus.playingBgm].volume = value;
+            core.material.bgms[core.musicStatus.playingBgm].volume = core.musicStatus.userVolume * core.musicStatus.designVolume;
     }
     if (!time || time < 100) {
         set(value);
         if (callback) callback();
         return;
     }
-    var currVolume = core.musicStatus.volume;
+    var currVolume = core.musicStatus.designVolume;
     time /= Math.max(core.status.replay.speed, 1);
     var per_time = 10, step = 0, steps = parseInt(time / per_time);
     if (steps <= 0) steps = 1;
diff --git a/libs/ui.js b/libs/ui.js
index a1b88121..3a17f00d 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -1496,7 +1496,10 @@ ui.prototype.drawSwitchs = function() {
     var choices = [
         "背景音乐： "+(core.musicStatus.bgmStatus ? "[ON]" : "[OFF]"),
         "背景音效： "+(core.musicStatus.soundStatus ? "[ON]" : "[OFF]"),
-        "行走速度： "+parseInt(core.values.moveSpeed),
+        //显示为 0~10 十挡
+        " <     "+"音量："+parseInt(parseFloat(Math.sqrt(core.musicStatus.userVolume).toFixed(1)) * 10)+"     > ",
+        //数值越大耗时越长
+        " <   "+"步时：" + parseInt(core.values.moveSpeed) +"   > ",
         "怪物显伤： "+(core.flags.displayEnemyDamage ? "[ON]" : "[OFF]"),
         "临界显伤： "+(core.flags.displayCritical ? "[ON]" : "[OFF]"),
         "领域显伤： "+(core.flags.displayExtraDamage ? "[ON]" : "[OFF]"),