diff --git a/_docs/api.md b/_docs/api.md
index 3efce8eb..8be9d072 100644
--- a/_docs/api.md
+++ b/_docs/api.md
@@ -776,7 +776,8 @@ core.getCurrentEnemys(floorId)
 
 
 core.hasEnemyLeft(enemyId, floorId)
-检查某个楼层是否还有剩余的（指定）怪物。floorId为楼层ID，可忽略表示当前楼层。
+检查某个楼层是否还有剩余的（指定）怪物。
+floorId为楼层ID，可忽略表示当前楼层。也可以传数组如["MT0","MT1"]同时检测多个楼层。
 enemyId如果不填或null则检查是否剩余任何怪物，否则只检查是否剩余指定的某类怪物。
 ```
 
diff --git a/_server/table/data.comment.js b/_server/table/data.comment.js
index 6b98a633..2a2addfd 100644
--- a/_server/table/data.comment.js
+++ b/_server/table/data.comment.js
@@ -32,7 +32,7 @@ var data_comment_c456ea59_6018_45ef_8bcc_211a24c627dc = {
 					"_leaf": true,
 					"_type": "textarea",
 					"_range": "editor.mode.checkUnique(thiseval)",
-					"_data": "在此存放所有可能使用的动画，必须是animate格式，在这里不写后缀名 \n动画必须放在animates目录下；文件名不能使用中文，不能带空格或特殊字符 \n \"jianji\", \"thunder\" \n 根据需求自行添加"
+					"_data": "在此存放所有可能使用的动画，必须是animate格式，在这里不写后缀名 \n动画必须放在animates目录下；文件名不能使用中文，不能带空格或特殊字符 \n \"jianji\", \"thunder\" 根据需求自行添加"
 				},
 				"bgms": {
 					"_leaf": true,
@@ -46,6 +46,11 @@ var data_comment_c456ea59_6018_45ef_8bcc_211a24c627dc = {
 					"_range": "editor.mode.checkUnique(thiseval)",
 					"_data": "在此存放所有的SE，和文件名一致 \n音频名不能使用中文，不能带空格或特殊字符；可以直接改名拼音就好"
 				},
+				"nameMap": {
+					"_leaf": true,
+					"_type": "textarea",
+					"_data": "文件名映射，目前仅对images, animates, bgms, sounds有效。\n例如定义 {\"精灵石.mp3\":\"jinglingshi.mp3\"} 就可以使用\ncore.playBgm(\"精灵石.mp3\") 或对应的事件来播放该bgm。"
+				},
 				"startBackground": {
 					"_leaf": true,
 					"_type": "textarea",
diff --git a/libs/control.js b/libs/control.js
index d69cfac5..e89cf64b 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -1966,6 +1966,10 @@ control.prototype.debug = function() {
 
 // ------ 天气，色调，BGM ------ //
 
+control.prototype.getMappedName = function (name) {
+    return (main.nameMap || {})[name] || name;
+}
+
 ////// 更改天气效果 //////
 control.prototype.setWeather = function (type, level) {
     // 非雨雪
@@ -2088,6 +2092,7 @@ control.prototype.screenFlash = function (color, time, times, callback) {
 
 ////// 播放背景音乐 //////
 control.prototype.playBgm = function (bgm, startTime) {
+    bgm = core.getMappedName(bgm);
     if (main.mode!='play' || !core.material.bgms[bgm]) return;
     // 如果不允许播放
     if (!core.musicStatus.bgmStatus) {
@@ -2114,8 +2119,6 @@ control.prototype.playBgm = function (bgm, startTime) {
 }
 
 control.prototype._playBgm_play = function (bgm, startTime) {
-    // 缓存BGM
-    core.loader.loadBgm(bgm);
     // 如果当前正在播放，且和本BGM相同，直接忽略
     if (core.musicStatus.playingBgm == bgm && !core.material.bgms[core.musicStatus.playingBgm].paused) {
         return;
@@ -2124,6 +2127,8 @@ control.prototype._playBgm_play = function (bgm, startTime) {
     if (core.musicStatus.playingBgm) {
         core.material.bgms[core.musicStatus.playingBgm].pause();
     }
+    // 缓存BGM
+    core.loader.loadBgm(bgm);
     // 播放当前BGM
     core.material.bgms[bgm].volume = core.musicStatus.volume;
     core.material.bgms[bgm].currentTime = startTime || 0;
@@ -2152,7 +2157,7 @@ control.prototype.pauseBgm = function () {
 control.prototype.resumeBgm = function () {
     if (main.mode!='play')return;
     try {
-        core.playBgm(core.musicStatus.playingBgm || core.musicStatus.lastBgm);
+        core.playBgm(core.musicStatus.playingBgm || core.musicStatus.lastBgm || main.startBgm);
     }
     catch (e) {
         console.log("无法恢复BGM");
@@ -2182,6 +2187,7 @@ control.prototype.triggerBgm = function () {
 
 ////// 播放音频 //////
 control.prototype.playSound = function (sound) {
+    sound = core.getMappedName(sound);
     if (main.mode!='play' || !core.musicStatus.soundStatus || !core.material.sounds[sound]) return;
     try {
         if (core.musicStatus.audioContext != null) {
diff --git a/libs/enemys.js b/libs/enemys.js
index 51ef8552..ad43a0f9 100644
--- a/libs/enemys.js
+++ b/libs/enemys.js
@@ -360,6 +360,14 @@ enemys.prototype._getCurrentEnemys_sort = function (enemys) {
 }
 
 enemys.prototype.hasEnemyLeft = function (enemyId, floorId) {
+    if (floorId == null) floorId = core.status.floorId;
+    if (floorId instanceof Array) {
+        for (var i = 0; i < floorId.length; ++i) {
+            if (core.hasEnemyLeft(enemyId, floorId[i]))
+                return true;
+        }
+        return false;
+    }
     return core.getCurrentEnemys(floorId).filter(function (enemy) {
         return enemyId == null || enemy.id == enemyId;
     }).length > 0;
diff --git a/libs/events.js b/libs/events.js
index dc88d9c9..6e46ee50 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -945,9 +945,10 @@ events.prototype._action_setText = function (data, x, y, prefix) {
             core.status.textAttribute[t] = data[t];
         }
         if (t == 'background') {
-            var img = core.material.images.images[data[t]];
+            var name = core.getMappedName(data[t]);
+            var img = core.material.images.images[name];
             if (img && img.width == 192 && img.height == 128) {
-                core.status.textAttribute[t] = data[t];
+                core.status.textAttribute[t] = name;
             }
         }
     });
@@ -1747,6 +1748,7 @@ events.prototype.hasAsync = function () {
 ////// 跟随 //////
 events.prototype.follow = function (name) {
     core.status.hero.followers = core.status.hero.followers || [];
+    name = core.getMappedName(name);
     if (core.material.images.images[name]
         && core.material.images.images[name].width == 128) {
         core.status.hero.followers.push({"name": name});
@@ -1763,6 +1765,7 @@ events.prototype.unfollow = function (name) {
         core.status.hero.followers = [];
     }
     else {
+        name = core.getMappedName(name);
         for (var i = 0; i < core.status.hero.followers.length; i++) {
             if (core.status.hero.followers[i].name == name) {
                 core.status.hero.followers.splice(i, 1);
@@ -1887,7 +1890,10 @@ events.prototype.closeDoor = function (x, y, id, callback) {
 
 ////// 显示图片 //////
 events.prototype.showImage = function (code, image, sloc, loc, opacityVal, time, callback) {
-    if (typeof image == 'string') image = core.material.images.images[image];
+    if (typeof image == 'string') {
+        image = core.getMappedName(image);
+        image = core.material.images.images[image];
+    }
     if (!image) {
         if (callback) callback();
         return;
@@ -1980,6 +1986,7 @@ events.prototype._moveImage_moving = function (name, moveInfo, callback) {
 
 ////// 绘制或取消一张gif图片 //////
 events.prototype.showGif = function (name, x, y) {
+    name = core.getMappedName(name);
     var image = core.material.images.images[name];
     if (image) {
         var gif = new Image();
@@ -2230,6 +2237,7 @@ events.prototype.canUseQuickShop = function (shopId) {
 
 ////// 设置角色行走图 //////
 events.prototype.setHeroIcon = function (name, noDraw) {
+    name = core.getMappedName(name);
     var img = core.material.images.images[name];
     if (!img || img.width != 128) return;
     core.setFlag("heroIcon", name);
diff --git a/libs/loader.js b/libs/loader.js
index b2da0c6e..74435cd6 100644
--- a/libs/loader.js
+++ b/libs/loader.js
@@ -238,6 +238,7 @@ loader.prototype.loadOneSound = function (name) {
 }
 
 loader.prototype.loadBgm = function (name) {
+    name = core.getMappedName(name);
     if (!core.material.bgms[name]) return;
     // 如果没开启音乐，则不预加载
     if (!core.musicStatus.bgmStatus) return;
@@ -265,6 +266,7 @@ loader.prototype._preloadBgm = function (bgm) {
 }
 
 loader.prototype.freeBgm = function (name) {
+    name = core.getMappedName(name);
     if (!core.material.bgms[name]) return;
     // 从cachedBgms中删除
     core.musicStatus.cachedBgms = core.musicStatus.cachedBgms.filter(function (t) {
diff --git a/libs/maps.js b/libs/maps.js
index 52b540b4..0cdb1e6d 100644
--- a/libs/maps.js
+++ b/libs/maps.js
@@ -806,6 +806,7 @@ maps.prototype._drawFloorImages = function (floorId, ctx, name, images, currStat
     images.forEach(function (t) {
         if (typeof t == 'string') t = [0, 0, t];
         var dx = parseInt(t[0]), dy = parseInt(t[1]), imageName = t[2], frame = core.clamp(parseInt(t[4]), 1, 8);
+        imageName = core.getMappedName(imageName);
         var image = core.material.images.images[imageName];
         if (redraw && frame == 1) return; // 不重绘
 
@@ -1069,6 +1070,7 @@ maps.prototype._drawThumbnail_realDrawTempCanvas = function (floorId, blocks, op
     // 缩略图：勇士
     if (options.heroLoc) {
         options.heroIcon = options.heroIcon || core.getFlag("heroIcon", "hero.png");
+        options.heroIcon = core.getMappedName(options.heroIcon);
         var icon = core.material.icons.hero[options.heroLoc.direction];
         var height = core.material.images.images[options.heroIcon].height / 4;
         tempCanvas.drawImage(core.material.images.images[options.heroIcon], icon.stop * 32, icon.loc * height, 32, height,
@@ -1844,6 +1846,7 @@ maps.prototype.drawBoxAnimate = function () {
 
 ////// 绘制动画 //////
 maps.prototype.drawAnimate = function (name, x, y, callback) {
+    name = core.getMappedName(name);
 
     // 正在播放录像：不显示动画
     if (core.isReplaying()) {
diff --git a/libs/ui.js b/libs/ui.js
index 2372860a..34284a6e 100644
--- a/libs/ui.js
+++ b/libs/ui.js
@@ -226,6 +226,7 @@ ui.prototype.drawImage = function (name, image, x, y, w, h, x1, y1, w1, h1) {
     var ctx = this.getContextByName(name);
     if (!ctx) return;
     if (typeof image == 'string') {
+        image = core.getMappedName(image);
         image = core.material.images.images[image];
         if (!image) return;
     }
@@ -374,8 +375,10 @@ ui.prototype._getTitleAndIcon = function (content) {
                 icon = 0;
                 height = core.material.icons.hero.height;
             }
-            else if (/^[-\w.]+\.png$/.test(s4))
+            else if (s4.endsWith(".png")) {
+                s4 = core.getMappedName(s4);
                 image = core.material.images.images[s4];
+            }
             else {
                 var blockInfo = core.getBlockInfo(s4);
                 if (blockInfo != null) {
@@ -830,6 +833,7 @@ ui.prototype._drawTextBox_drawImages = function (content) {
     return content.replace(/(\f|\\f)\[(.*?)]/g, function (text, sympol, str) {
         var ss = str.split(",");
         if (ss.length!=3 && ss.length!=5 && ss.length!=9) return "";
+        ss[0] = core.getMappedName(ss[0]);
         var img = core.material.images.images[ss[0]];
         if (!img) return "";
         // 绘制
diff --git a/libs/utils.js b/libs/utils.js
index 9260a9c7..f9404e50 100644
--- a/libs/utils.js
+++ b/libs/utils.js
@@ -282,8 +282,10 @@ utils.prototype.clone = function (data, filter, recursion) {
 
 ////// 裁剪图片 //////
 utils.prototype.splitImage = function (image, width, height) {
-    if (typeof image == "string")
+    if (typeof image == "string") {
+        image = core.getMappedName(image);
         image = core.material.images.images[image];
+    }
     if (!image) return [];
     width = width || 32;
     height = height || width;
diff --git a/project/data.js b/project/data.js
index ff821cd8..6d732a08 100644
--- a/project/data.js
+++ b/project/data.js
@@ -35,6 +35,10 @@ var data_a1e2fb4a_e986_4524_b0da_9b7ba7c0874d =
 			"bomb.mp3",
 			"centerFly.mp3"
 		],
+		"nameMap": {
+			"背景图.jpg": "bg.jpg",
+			"背景音乐.mp3": "bgm.mp3"
+		},
 		"startBackground": "bg.jpg",
 		"startLogoStyle": "color: black",
 		"levelChoose": [
diff --git a/project/floors/sample1.js b/project/floors/sample1.js
index 92b3a0e8..f4fc8fd0 100644
--- a/project/floors/sample1.js
+++ b/project/floors/sample1.js
@@ -10,7 +10,7 @@ main.floors.sample1=
     [
         0,
         0,
-        "bg.jpg",
+        "背景图",
         0
     ]
 ],
diff --git a/project/functions.js b/project/functions.js
index 1cee5278..764ce551 100644
--- a/project/functions.js
+++ b/project/functions.js
@@ -968,6 +968,7 @@ var functions_d6ad677b_427a_4623_b50f_a445a3b0ef8a =
 	core.events.setVolume(core.getFlag("__volume__", 1), 0);
 	// 加载勇士图标
 	var icon = core.getFlag("heroIcon", "hero.png");
+	icon = core.getMappedName(icon);
 	if (core.material.images.images[icon]) {
 		core.material.images.hero.src = core.material.images.images[icon].src;
 		core.material.icons.hero.height = core.material.images.images[icon].height / 4;