diff --git a/cocos2d/core/asset-manager/CCAssetManager.js b/cocos2d/core/asset-manager/CCAssetManager.js
index f90649374c2..bd1e3a5639f 100644
--- a/cocos2d/core/asset-manager/CCAssetManager.js
+++ b/cocos2d/core/asset-manager/CCAssetManager.js
@@ -42,7 +42,7 @@ const Bundle = require('./bundle');
 const builtins = require('./builtins')
 const { parse, combine } = require('./urlTransformer');
 const { parseParameters, urlAppendTimestamp, asyncify } = require('./utilities');
-const { assets, files, parsed, pipeline, transformPipeline, fetchPipeline, initializePipeline, LoadStrategy, RequestType, bundles, BuiltinBundle } = require('./shared');
+const { assets, files, parsed, pipeline, transformPipeline, fetchPipeline, initializePipeline, LoadStrategy, RequestType, bundles, BuiltinBundleName } = require('./shared');
 /**
  * @module cc
  */
@@ -280,7 +280,7 @@ AssetManager.Config = Config;
 AssetManager.LoadStrategy = LoadStrategy;
 AssetManager.RequestType = RequestType;
 AssetManager.Bundle = Bundle;
-AssetManager.BuiltinBundle = BuiltinBundle;
+AssetManager.BuiltinBundleName = BuiltinBundleName;
 
 AssetManager.prototype = {
 
@@ -298,7 +298,7 @@ AssetManager.prototype = {
      * @type {Bundle}
      */
     get main () {
-        return bundles.get(BuiltinBundle.MAIN);
+        return bundles.get(BuiltinBundleName.MAIN);
     },
 
     /**
@@ -313,7 +313,7 @@ AssetManager.prototype = {
      * @type {Bundle}
      */
     get resources () {
-        return bundles.get(BuiltinBundle.RESOURCES);
+        return bundles.get(BuiltinBundleName.RESOURCES);
     },
 
     /**
@@ -328,7 +328,7 @@ AssetManager.prototype = {
      * @type {Bundle}
      */
     get internal () {
-        return bundles.get(BuiltinBundle.INTERNAL);
+        return bundles.get(BuiltinBundleName.INTERNAL);
     },
 
     /**
diff --git a/cocos2d/core/asset-manager/builtins.js b/cocos2d/core/asset-manager/builtins.js
index 3a784329b02..7664d264fbc 100644
--- a/cocos2d/core/asset-manager/builtins.js
+++ b/cocos2d/core/asset-manager/builtins.js
@@ -24,7 +24,7 @@
  ****************************************************************************/
 const Cache = require('./cache');
 const finalizer = require('./finalizer');
-const { BuiltinBundle } = require('./shared'); 
+const { BuiltinBundleName } = require('./shared'); 
 
 /**
  * @module cc.AssetManager
@@ -76,7 +76,7 @@ var builtins = {
      */
     init (cb) {
         this.clear();
-        if (cc.game.renderType === cc.game.RENDER_TYPE_CANVAS || !cc.assetManager.bundles.has(BuiltinBundle.INTERNAL)) {
+        if (cc.game.renderType === cc.game.RENDER_TYPE_CANVAS || !cc.assetManager.bundles.has(BuiltinBundleName.INTERNAL)) {
             return cb && cb();
         }
 
diff --git a/cocos2d/core/asset-manager/deprecated.js b/cocos2d/core/asset-manager/deprecated.js
index 1931e3a7f24..940bccdca90 100644
--- a/cocos2d/core/asset-manager/deprecated.js
+++ b/cocos2d/core/asset-manager/deprecated.js
@@ -569,7 +569,7 @@ var AssetLibrary = {
         cc.assetManager.init(options);
         if (options.rawAssets) {
             var resources = new cc.AssetManager.Bundle();
-            resources.init({name: cc.AssetManager.BuiltinBundle.RESOURCES, importBase: options.importBase, nativeBase: options.nativeBase, paths: options.rawAssets.assets, uuids: Object.keys(options.rawAssets.assets)});
+            resources.init({name: cc.AssetManager.BuiltinBundleName.RESOURCES, importBase: options.importBase, nativeBase: options.nativeBase, paths: options.rawAssets.assets, uuids: Object.keys(options.rawAssets.assets)});
         }
     },
 
@@ -614,7 +614,7 @@ cc.url = {
      */
     raw (url) {
         if (url.startsWith('resources/')) {
-            return cc.assetManager.transform({'path': cc.path.changeExtname(url.substr(10)), bundle: cc.AssetManager.BuiltinBundle.RESOURCES, isNative: true, ext: cc.path.extname(url)});
+            return cc.assetManager.transform({'path': cc.path.changeExtname(url.substr(10)), bundle: cc.AssetManager.BuiltinBundleName.RESOURCES, isNative: true, ext: cc.path.extname(url)});
         }
         return '';
     }
diff --git a/cocos2d/core/asset-manager/shared.js b/cocos2d/core/asset-manager/shared.js
index ba3a1af91b1..fb1569dc1e6 100644
--- a/cocos2d/core/asset-manager/shared.js
+++ b/cocos2d/core/asset-manager/shared.js
@@ -158,9 +158,9 @@ var RequestType = {
  * !#zh
  * 内置 bundle
  * 
- * @enum BuiltinBundle
+ * @enum BuiltinBundleName
  */
-var BuiltinBundle = {
+var BuiltinBundleName = {
     /**
      * !#en
      * The builtin bundle corresponds to 'assets/resources'.
@@ -201,4 +201,4 @@ var BuiltinBundle = {
     MAIN: 'main'
 };
 
-module.exports = { assets, files, parsed, pipeline, fetchPipeline, initializePipeline, transformPipeline, LoadStrategy, RequestType, bundles, BuiltinBundle };
\ No newline at end of file
+module.exports = { assets, files, parsed, pipeline, fetchPipeline, initializePipeline, transformPipeline, LoadStrategy, RequestType, bundles, BuiltinBundleName };
\ No newline at end of file
diff --git a/cocos2d/core/assets/CCTexture2D.js b/cocos2d/core/assets/CCTexture2D.js
index 48786437547..fa43eab5c40 100644
--- a/cocos2d/core/assets/CCTexture2D.js
+++ b/cocos2d/core/assets/CCTexture2D.js
@@ -597,7 +597,7 @@ var Texture2D = cc.Class({
         if (!element)
             return;
         this._image = element;
-        if (element.complete || element instanceof HTMLCanvasElement || element instanceof ImageBitmap) {
+        if (element.complete || element instanceof HTMLCanvasElement || (cc.sys.capabilities.createImageBitmap && element instanceof ImageBitmap)) {
             this.handleLoadedTexture();
         }
         else {
@@ -680,7 +680,7 @@ var Texture2D = cc.Class({
      * @return {Boolean} inherit from the CCObject
      */
     destroy () {
-        if (this._image instanceof ImageBitmap) {
+        if (cc.sys.capabilities.createImageBitmap && this._image instanceof ImageBitmap) {
             this._image.close();
         }
         this._packable && cc.dynamicAtlasManager && cc.dynamicAtlasManager.deleteAtlasTexture(this);
@@ -759,7 +759,7 @@ var Texture2D = cc.Class({
             if (this._image instanceof HTMLImageElement) {
                 this._clearImage();
             }
-            else if (this._image instanceof ImageBitmap) {
+            else if (cc.sys.capabilities.createImageBitmap && this._image instanceof ImageBitmap) {
                 this._image.close();
             }
         }
diff --git a/cocos2d/deprecated.js b/cocos2d/deprecated.js
index 0dc9369cb29..e90ce34c057 100644
--- a/cocos2d/deprecated.js
+++ b/cocos2d/deprecated.js
@@ -512,10 +512,12 @@ if (CC_DEBUG) {
         'minFrameSize'
     ], 'cc.dynamicAtlasManager')
 
-    // light component
-    markAsRemovedInObject(cc.Light.prototype, [
-        'shadowDepthScale',
-    ], 'cc.Light.prototype');
+    if (cc.Light) {
+        // light component
+        markAsRemovedInObject(cc.Light.prototype, [
+            'shadowDepthScale',
+        ], 'cc.Light.prototype');
+    }
 
     // Value types
     provideClearError(cc, {
diff --git a/index.js b/index.js
index 36156c02e44..3696bd3de10 100644
--- a/index.js
+++ b/index.js
@@ -51,7 +51,6 @@ require('./polyfill/array');
 require('./polyfill/object');
 require('./polyfill/array-buffer');
 require('./polyfill/number');
-require('./polyfill/image-bitmap');
 if (!(CC_EDITOR && Editor.isMainProcess)) {
     require('./polyfill/typescript');
 }
diff --git a/polyfill/image-bitmap.ts b/polyfill/image-bitmap.ts
deleted file mode 100644
index 0186b7e254d..00000000000
--- a/polyfill/image-bitmap.ts
+++ /dev/null
@@ -1,19 +0,0 @@
-if (typeof ImageBitmap === 'undefined') {
-    class ImageBitmap {
-
-        public height: Number = 0;
-
-        public width: Number = 0;
-
-        constructor () {
-            throw new Error('not implement');
-        }
-
-        public close () {
-            throw new Error('not implement');
-        }
-    }
-
-    let _global = typeof window === 'undefined' ? global : window;
-    Object.defineProperty(_global, 'ImageBitmap', { value: ImageBitmap });
-}
\ No newline at end of file
diff --git a/test/qunit/unit-es5/test-asset-manager.js b/test/qunit/unit-es5/test-asset-manager.js
index c6cc9d654ab..1dcd9b8f350 100644
--- a/test/qunit/unit-es5/test-asset-manager.js
+++ b/test/qunit/unit-es5/test-asset-manager.js
@@ -8,7 +8,7 @@
             });
             var resources = new cc.AssetManager.Bundle();
             resources.init({
-                name: cc.AssetManager.BuiltinBundle.RESOURCES,
+                name: cc.AssetManager.BuiltinBundleName.RESOURCES,
                 importBase: libPath, 
                 nativeBase: libPath, 
                 paths: {
diff --git a/test/qunit/unit-es5/test-urlTransform.js b/test/qunit/unit-es5/test-urlTransform.js
index 7b216952860..d58acfb50d9 100644
--- a/test/qunit/unit-es5/test-urlTransform.js
+++ b/test/qunit/unit-es5/test-urlTransform.js
@@ -31,7 +31,7 @@ test('raw', function () {
     cc.assetManager.init({importBase: 'import', nativeBase: 'native'});
     var bundle = new cc.AssetManager.Bundle();
     bundle.init({
-        name: cc.AssetManager.BuiltinBundle.RESOURCES, 
+        name: cc.AssetManager.BuiltinBundleName.RESOURCES, 
         base: 'test/', 
         importBase: 'import', 
         nativeBase: 'native', 
@@ -50,7 +50,7 @@ test('md5', function () {
     cc.assetManager.init({importBase: 'import', nativeBase: 'native'});
     var bundle = new cc.AssetManager.Bundle();
     bundle.init({
-        name: cc.AssetManager.BuiltinBundle.RESOURCES, 
+        name: cc.AssetManager.BuiltinBundleName.RESOURCES, 
         base: 'test/', 
         importBase: 'import', 
         nativeBase: 'native',