diff --git a/src/classes/sound.js b/src/classes/sound.js
index 6ecd3e9..21f8ec5 100644
--- a/src/classes/sound.js
+++ b/src/classes/sound.js
@@ -1,17 +1,39 @@
 // 音频处理类
-function Sound() {
-  this.lib = library;
+// function Sound() {
+//   this.lib = library;
 
-  this.music = {};
-}
+//   this.music = {};
+// }
+
+// Sound.of = function () {
+//   const instance = new Sound();
+//   instance.init();
+//   return instance;
+// };
+
+// Sound.prototype.init = function () {
+//   createjs.Sound.alternateExtensions = ['mp3'];
+//   console.log('createjs.Sound: ', createjs.Sound);
+//   const sounds = [
+//     { src: 'public/sounds/bgmMusic.mp3', id: 'bgm' },
+//     { src: 'public/sounds/excitationMusic.mp3', id: 'excitation' },
+//     { src: 'public/sounds/amazing.mp3', id: 'amazing' },
+//     { src: 'public/sounds/unbelievable.mp3', id: 'unbelievable' },
+//   ];
+//   createjs.Sound.addEventListener('fileload', function (event) {
+//     console.log('event: ', event);
+//     this.music[event.id] = createjs.Sound.createInstance(event.id);
+//   });
+//   createjs.Sound.registerSounds(sounds, '../../');
+//   this.playBgm();
+// };
 
-Sound.of = function () {
-  const instance = new Sound();
-  instance.init();
-  return instance;
-};
+// Sound.prototype.playBgm = function () {
+//   this.music.bgm && this.music.bgm.play({ loop: -1, volume: 0.3 }); // 播放背景音乐
+// };
 
-Sound.prototype.init = function () {
+let music = {};
+function initSound() {
   createjs.Sound.alternateExtensions = ['mp3'];
   const sounds = [
     { src: 'public/sounds/bgmMusic.mp3', id: 'bgm' },
@@ -20,11 +42,7 @@ Sound.prototype.init = function () {
     { src: 'public/sounds/unbelievable.mp3', id: 'unbelievable' },
   ];
   createjs.Sound.addEventListener('fileload', function (event) {
-    this.music[event.id] = createjs.Sound.createInstance(event.id);
+    music[event.id] = createjs.Sound.createInstance(event.id);
   });
   createjs.Sound.registerSounds(sounds, '../../');
-};
-
-Sound.prototype.playBgm = function () {
-  this.music.bgm && this.music.bgm.play({ loop: -1, volume: 0.3 }); // 播放背景音乐
-};
+}
diff --git a/src/custom.js b/src/custom.js
index bafd2dc..b6a8b35 100644
--- a/src/custom.js
+++ b/src/custom.js
@@ -19,7 +19,9 @@ function initStage(lib) {
 
   window.main = Main.of(gameOver); // 初始化鸟等
   window.timeInstance = Time.of(gameOver); // 初始化游戏时间
-  Sound.of(); // 初始化音频
+  // window.soundInstance = Sound.of(); // 初始化音频
+  initSound(); // 播放背景音乐
+
   Level.of(2); // 游戏难度级别
   Back.of(); // 返回按钮
   isHash();
diff --git a/src/test.js b/src/test.js
index 54e07f0..f0673fa 100644
--- a/src/test.js
+++ b/src/test.js
@@ -1,5 +1,6 @@
 // 判断是否在演示模式 能否直接开始游戏
 function isHash() {
+  initSound;
   if (location.hash && location.hash === '#p') {
     isDemo = true;
     Demo.of();