diff --git a/_docs/event.md b/_docs/event.md
index 3beb965a..cb8f7b82 100644
--- a/_docs/event.md
+++ b/_docs/event.md
@@ -1385,6 +1385,8 @@ async可选，如果为true则会异步执行（即不等待当前事件执行
 
 值得注意的是，如果是额外添加进文件的音效，则需在main.js中this.sounds里加载它。
 
+可以加`"stop": true`来停止之前正在播放的音效。
+
 ### stopSound：停止所有音效
 
 使用`{"type": "stopSound"}`可以停止所有音效。
diff --git a/_server/MotaAction.g4 b/_server/MotaAction.g4
index bb3e0f44..2555b855 100644
--- a/_server/MotaAction.g4
+++ b/_server/MotaAction.g4
@@ -1481,15 +1481,16 @@ return code;
 */;
 
 playSound_s
-    :   '播放音效' EvalString Newline
+    :   '播放音效' EvalString '停止之前音效' Bool? Newline
     
 
 /* playSound_s
 tooltip : playSound: 播放音效
 helpUrl : https://h5mota.com/games/template/docs/#/event?id=playsound%EF%BC%9A%E6%92%AD%E6%94%BE%E9%9F%B3%E6%95%88
-default : ["item.mp3"]
+default : ["item.mp3",false]
 colour : this.soundColor
-var code = '{"type": "playSound", "name": "'+EvalString_0+'"},\n';
+Bool_0 = Bool_0 ? ', "stop": true' : '';
+var code = '{"type": "playSound", "name": "'+EvalString_0+'"'+Bool_0+'},\n';
 return code;
 */;
 
@@ -2495,7 +2496,7 @@ ActionParser.prototype.parseAction = function() {
       break;
     case "playSound":
       this.next = MotaActionBlocks['playSound_s'].xmlText([
-        data.name,this.next]);
+        data.name,data.stop,this.next]);
       break;
     case "playBgm":
       this.next = MotaActionBlocks['playBgm_s'].xmlText([
diff --git a/libs/events.js b/libs/events.js
index 768cc35d..bfabdb3c 100644
--- a/libs/events.js
+++ b/libs/events.js
@@ -1213,6 +1213,7 @@ events.prototype._action_freeBgm = function (data, x, y, prefix) {
 }
 
 events.prototype._action_playSound = function (data, x, y, prefix) {
+    if (data.stop) core.stopSound();
     core.playSound(data.name);
     core.doAction();
 }