diff --git a/_server/MotaAction.g4 b/_server/MotaAction.g4
index 7d1e0732..f1badb3e 100644
--- a/_server/MotaAction.g4
+++ b/_server/MotaAction.g4
@@ -756,6 +756,7 @@ action
     |   setGlobalAttribute_s
     |   setGlobalValue_s
     |   setGlobalFlag_s
+    |   setNameMap_s
     |   show_s
     |   hide_s
     |   trigger_s
@@ -1261,6 +1262,20 @@ return code;
 */;
 
 
+setNameMap_s
+    :   '设置文件别名' ':' EvalString '为' EvalString? Newline
+
+
+/* setNameMap_s
+tooltip : setNameMap：设置文件别名
+helpUrl : /_docs/#/instruction
+default : ["背景音乐",""]
+colour : this.dataColor
+EvalString_1 = EvalString_1 ? (', "value": "' + EvalString_1 + '"') : '';
+var code = '{"type": "setNameMap", "name": "'+EvalString_0+'"'+EvalString_1+'},\n';
+return code;
+*/;
+
 show_s
     :   '显示事件' 'x' EvalString? ',' 'y' EvalString? '楼层' IdString? '动画时间' IntString? '不等待执行完毕' Bool? Newline
     
diff --git a/_server/MotaActionParser.js b/_server/MotaActionParser.js
index d3331c4c..7ba294f9 100644
--- a/_server/MotaActionParser.js
+++ b/_server/MotaActionParser.js
@@ -719,6 +719,10 @@ ActionParser.prototype.parseAction = function() {
       this.next = MotaActionBlocks['setGlobalFlag_s'].xmlText([
         data.name, data.value, this.next]);
       break;
+    case "setNameMap":
+      this.next = MotaActionBlocks['setNameMap_s'].xmlText([
+        data.name, data.value, this.next]);
+      break;
     case "input":
       this.next = MotaActionBlocks['input_s'].xmlText([
         data.text,this.next]);
diff --git a/_server/editor_blocklyconfig.js b/_server/editor_blocklyconfig.js
index be426c5f..fea6aaa9 100644
--- a/_server/editor_blocklyconfig.js
+++ b/_server/editor_blocklyconfig.js
@@ -128,6 +128,7 @@ editor_blocklyconfig=(function(){
       MotaActionBlocks['setGlobalAttribute_s'].xmlText(),
       MotaActionBlocks['setGlobalValue_s'].xmlText(),
       MotaActionBlocks['setGlobalFlag_s'].xmlText(),
+      MotaActionBlocks['setNameMap_s'].xmlText(),
       MotaActionBlocks['input_s'].xmlText(),
       MotaActionBlocks['input2_s'].xmlText(),
       MotaActionBlocks['update_s'].xmlText(),
diff --git a/libs/control.js b/libs/control.js
index 8d25ef3b..343404cd 100644
--- a/libs/control.js
+++ b/libs/control.js
@@ -2513,7 +2513,7 @@ control.prototype.checkRouteFolding = function () {
 // ------ 天气，色调，BGM ------ //
 
 control.prototype.getMappedName = function (name) {
-    return (main.nameMap || {})[name] || name;
+    return core.getFlag('__nameMap__', {})[name] || (main.nameMap || {})[name] || name;
 }
 
 ////// 更改天气效果 //////
diff --git a/libs/events.js b/libs/events.js
index c0dc4a76..5eed254f 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1806,6 +1806,11 @@ events.prototype._action_setGlobalFlag = function (data, x, y, prefix) {
     core.doAction();
 }
 
+events.prototype._action_setNameMap = function (data, x, y, floorId) {
+    this.setNameMap(data.name, data.value);
+    core.doAction();
+}
+
 events.prototype._action_setHeroIcon = function (data, x, y, prefix) {
     this.setHeroIcon(data.name, data.noDraw);
     core.doAction();
@@ -2883,6 +2888,12 @@ events.prototype.setGlobalFlag = function (name, value) {
         core.drawMap();
 }
 
+////// 设置文件别名 //////
+events.prototype.setNameMap = function (name, value) {
+    if (!core.hasFlag('__nameMap__')) core.setFlag('__nameMap__', {});
+    flags.__nameMap__[name] = value;
+}
+
 events.prototype.closeDoor = function (x, y, id, callback) {
     id = id || "";
     if ((core.material.icons.animates[id] == null && core.material.icons.npc48[id] == null)