diff --git a/public/恢复_鸟妈妈回家_HTML5 Canvas.fla b/public/恢复_鸟妈妈回家_HTML5 Canvas.fla
deleted file mode 100644
index e8e415a..0000000
Binary files a/public/恢复_鸟妈妈回家_HTML5 Canvas.fla and /dev/null differ
diff --git a/src/classes/again.js b/src/classes/again.js
index 5c6954f..44357da 100644
--- a/src/classes/again.js
+++ b/src/classes/again.js
@@ -9,11 +9,16 @@ function Again() {
   this.btnAgain = null;
 }
 
-Again.of = function () {
-  const instance = new Again();
-  instance.init();
-  return instance;
-};
+Again.of = (function () {
+  let instance = null;
+  return function () {
+    if (!instance) {
+      instance = new Again();
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始化
 Again.prototype.init = function () {
diff --git a/src/classes/back.js b/src/classes/back.js
index 3a7bf07..8b0959e 100644
--- a/src/classes/back.js
+++ b/src/classes/back.js
@@ -4,11 +4,16 @@ function Back() {
   this.back = null;
 }
 
-Back.of = function () {
-  const instance = new Back();
-  instance.init();
-  return instance;
-};
+Back.of = (function () {
+  let instance = null;
+  return function () {
+    if (!instance) {
+      instance = new Back();
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 Back.prototype.init = function () {
   const target = new this.lib.btnBack();
diff --git a/src/classes/count.js b/src/classes/count.js
index 8533f81..e6db06e 100644
--- a/src/classes/count.js
+++ b/src/classes/count.js
@@ -29,11 +29,16 @@ function Count(countEndCallback, startTime, defaultCount = config.count || 5) {
  * @param {number} defaultCount 倒计时时长
  * @returns
  */
-Count.of = function (countEndCallback, startTime = Date.now(), defaultCount) {
-  const instance = new Count(countEndCallback, startTime, defaultCount);
-  instance.init();
-  return instance;
-};
+Count.of = (function () {
+  let instance = null;
+  return function (countEndCallback, startTime = Date.now(), defaultCount) {
+    if (!instance) {
+      instance = new Count(countEndCallback, startTime, defaultCount);
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始化方法
 Count.prototype.init = function () {
diff --git a/src/classes/demo.js b/src/classes/demo.js
index 9873908..2798828 100644
--- a/src/classes/demo.js
+++ b/src/classes/demo.js
@@ -9,11 +9,16 @@ function Demo() {
   this.stopDemo = null;
 }
 
-Demo.of = function () {
-  const instance = new Demo();
-  instance.init();
-  return instance;
-};
+Demo.of = (function () {
+  let instance = null;
+  return function () {
+    if (!instance) {
+      instance = new Demo();
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始化
 Demo.prototype.init = function () {
diff --git a/src/classes/end.js b/src/classes/end.js
index 40ec60b..8bc9e89 100644
--- a/src/classes/end.js
+++ b/src/classes/end.js
@@ -21,11 +21,16 @@ function End(score) {
  * @param {number} score 最终得分
  * @returns
  */
-End.of = function (score) {
-  const instance = new End(score);
-  instance.init();
-  return instance;
-};
+End.of = (function () {
+  let instance = null;
+  return function () {
+    if (!instance) {
+      instance = new End();
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始化
 End.prototype.init = function () {
diff --git a/src/classes/level.js b/src/classes/level.js
index 65fc0d5..2306a5f 100644
--- a/src/classes/level.js
+++ b/src/classes/level.js
@@ -13,11 +13,16 @@ function Level(level = config.level || 1) {
  * @param {number} level 等级数值
  * @returns
  */
-Level.of = function (level) {
-  const instance = new Level(level);
-  instance.init();
-  return instance;
-};
+Level.of = (function () {
+  let instance = null;
+  return function (level) {
+    if (!instance) {
+      instance = new Level(level);
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始化 渲染
 // 更新config中的level属性
diff --git a/src/classes/main.js b/src/classes/main.js
index 962589c..57c5ac5 100644
--- a/src/classes/main.js
+++ b/src/classes/main.js
@@ -26,11 +26,16 @@ function Main(endCallback, max) {
  * @param {function} endCallback 游戏结束的回调函数
  * @param {number} max 最多运动次数
  */
-Main.of = function (endCallback, max = config.times) {
-  const instance = new Main(endCallback, max);
-  instance.init();
-  return instance;
-};
+Main.of = (function () {
+  let instance = null;
+  return function (endCallback, max = config.times) {
+    if (!instance) {
+      instance = new Main(endCallback, max);
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始方法
 Main.prototype.init = function () {
@@ -67,5 +72,7 @@ Main.prototype.computeScore = function (times, direction = 0) {
   const directionTarget = config.config.scores.find(item => item.direction === direction);
   config.currentTimes = times;
   config.currentScore += directionTarget.score;
-  sendMessage({ event: 'play', data: { currentTimes: times, currentScore: config.currentScore } });
+  if (config.mode === 0) {
+    sendMessage({ event: 'play', data: { currentTimes: times, currentScore: config.currentScore } });
+  }
 };
diff --git a/src/classes/sound.js b/src/classes/sound.js
index 9c61f44..c40575a 100644
--- a/src/classes/sound.js
+++ b/src/classes/sound.js
@@ -5,19 +5,22 @@ function Sound() {
   this.music = {};
 }
 
-Sound.of = function () {
-  const instance = new Sound();
-  instance.init();
-  return instance;
-};
+Sound.of = (function () {
+  let instance = null;
+  return function () {
+    if (!instance) {
+      instance = new Sound();
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 Sound.prototype.init = function () {
   createjs.Sound.alternateExtensions = ['mp3'];
-  console.log('createjs.Sound: ', createjs.Sound);
   const sounds = [{ src: 'sounds/bgmMusic.mp3', id: 'bgm' }];
   const _this = this;
   createjs.Sound.addEventListener('fileload', function (event) {
-    console.log('event: ', event);
     _this.music[event.id] = createjs.Sound.createInstance(event.id);
   });
   createjs.Sound.registerSounds(sounds, './');
diff --git a/src/classes/suspend.js b/src/classes/suspend.js
index 4102677..c917edc 100644
--- a/src/classes/suspend.js
+++ b/src/classes/suspend.js
@@ -9,11 +9,16 @@ function Suspend() {
   this.suspend = null;
 }
 
-Suspend.of = function () {
-  const instance = new Suspend();
-  instance.init();
-  return instance;
-};
+Suspend.of = (function () {
+  let instance = null;
+  return function () {
+    if (!instance) {
+      instance = new Suspend();
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始化
 Suspend.prototype.init = function () {
diff --git a/src/classes/time.js b/src/classes/time.js
index 2cc824c..37dc7a1 100644
--- a/src/classes/time.js
+++ b/src/classes/time.js
@@ -35,11 +35,16 @@ function Time(endCallback, duration, count) {
  * @param {number} count 游戏倒计时时长
  * @returns
  */
-Time.of = function (endCallback, duration = config.duration || 60, count = config.count || 5) {
-  const instance = new Time(endCallback, duration, count);
-  instance.init();
-  return instance;
-};
+Time.of = (function () {
+  let instance = null;
+  return function (endCallback, duration = config.duration || 60, count = config.count || 5) {
+    if (!instance) {
+      instance = new Time(endCallback, duration, count);
+    }
+    instance.init();
+    return instance;
+  };
+})();
 
 // 初始化
 Time.prototype.init = function () {
diff --git a/src/custom.js b/src/custom.js
index 0b98002..a745a89 100644
--- a/src/custom.js
+++ b/src/custom.js
@@ -4,6 +4,7 @@ const config = {
   total: 100, // 总分
   times: 20, // 动作次数
   level: 1, // 游戏难度级别
+  mode: 1, // 模式  0-> 正常模式 1-> 演示模式
   currentScore: 0, // 当前得分
   currentTimes: 0, // 当前次数
   config: {
@@ -45,6 +46,8 @@ function gameOver() {
   const times = main.times;
   setTimeout(() => {
     End.of(config.currentScore || 0);
-    finishMessage(config.currentScore, times);
+    if (config.mode === 0) {
+      finishMessage(config.currentScore, times);
+    }
   }, 2000);
 }
diff --git a/src/message.js b/src/message.js
index 8154b90..e14df5b 100644
--- a/src/message.js
+++ b/src/message.js
@@ -33,6 +33,7 @@ window.addEventListener(
       config.times = game.totalTimes;
       config.level = game.level;
       config.config = game.config;
+      config.mode = game.mode;
 
       window.timeInstance.setDuration(game.duration);
       // 开始倒计时
@@ -72,7 +73,7 @@ window.addEventListener(
       // config.total = score;
       // config.times = times;
       End.of(score || 0);
-      // window.timeInstance.setDuration(0);
+      window.timeInstance.setDuration(0);
     }
   },
   false,
diff --git a/src/test.js b/src/test.js
index 3ce6bfa..867777a 100644
--- a/src/test.js
+++ b/src/test.js
@@ -14,7 +14,7 @@ function startGame() {
   var count = 0,
     timer;
   document.onclick = function () {
-    if (isDemo) return;
+    if (isDemo || config.mode !== 1) return;
     if (count < 6) {
       if (timer) {
         clearTimeout(timer);