从自定义菜单回到主菜单时BGM恢复

parts/scenes/customGame.lua

@@ -23,6 +23,9 @@ function sceneInit.customGame()
 		end
 	end
 end
+function sceneBack.customGame()
+	BGM.play("blank")
+end
 
 function keyDown.customGame(key)
 	if key=="return"or key=="return2"then

parts/scenes/main.lua

@@ -4,7 +4,6 @@ function sceneInit.main()
 	sceneTemp={
 		tip=text.getTip(),
 	}
-	BGM.play("blank")
 	BG.set("space")
 
 	modeEnv=NONE