diff --git a/scene/entity/general/sfx.gd b/scene/entity/general/sfx.gd
index a9f87b7a..2e811f10 100644
--- a/scene/entity/general/sfx.gd
+++ b/scene/entity/general/sfx.gd
@@ -108,7 +108,8 @@ func _set(property: StringName, value: Variant) -> bool:
 	if mode != "场景背景音":
 		return false
 	if property == "自动开始":
-		autoplay = value
+		if value != null:
+			autoplay = value 
 		scene_autostart = value
 		return true
 	elif property == "循环播放":