diff --git a/extensions/AssetsManager/AssetsManager.cpp b/extensions/AssetsManager/AssetsManager.cpp
index ac0ca37dac..e4bc2e721d 100644
--- a/extensions/AssetsManager/AssetsManager.cpp
+++ b/extensions/AssetsManager/AssetsManager.cpp
@@ -88,6 +88,10 @@ AssetsManager::AssetsManager(const char* packageUrl/* =NULL */, const char* vers
 
 AssetsManager::~AssetsManager()
 {
+    if (_delegate)
+    {
+        _delegate->release();
+    }
     if (_schedule)
     {
         _schedule->release();
@@ -479,7 +483,17 @@ void AssetsManager::deleteVersion()
 
 void AssetsManager::setDelegate(AssetsManagerDelegateProtocol *delegate)
 {
+    if (_delegate)
+    {
+        _delegate->release();
+    }
+    
     _delegate = delegate;
+    
+    if (_delegate)
+    {
+        _delegate->retain();
+    }
 }
 
 void AssetsManager::setConnectionTimeout(unsigned int timeout)
@@ -604,4 +618,30 @@ void AssetsManager::Helper::handleUpdateSucceed(Message *msg)
     if (manager) manager->_delegate->onSuccess();
 }
 
+AssetsManager* AssetsManager::create(const char* packageUrl, const char* versionFileUrl, const char* storagePath, ErrorCallback errorCallback, ProgressCallback progressCallback, SuccessCallback successCallback )
+{
+    class DelegateProtocolImpl : public AssetsManagerDelegateProtocol 
+    {
+    public :
+        DelegateProtocolImpl(ErrorCallback errorCallback, ProgressCallback progressCallback, SuccessCallback successCallback)
+        : errorCallback(errorCallback), progressCallback(progressCallback), successCallback(successCallback)
+        {}
+
+        virtual void onError(AssetsManager::ErrorCode errorCode) { errorCallback(int(errorCode)); }
+        virtual void onProgress(int percent) { progressCallback(percent); }
+        virtual void onSuccess() { successCallback(); }
+
+    private :
+        ErrorCallback errorCallback;
+        ProgressCallback progressCallback;
+        SuccessCallback successCallback;
+    };
+
+    auto* manager = new AssetsManager(packageUrl,versionFileUrl,storagePath);
+    auto* delegate = new DelegateProtocolImpl(errorCallback,progressCallback,successCallback);
+    delegate->autorelease();
+    manager->setDelegate(delegate);
+    return manager;
+}
+
 NS_CC_EXT_END;
diff --git a/extensions/AssetsManager/AssetsManager.h b/extensions/AssetsManager/AssetsManager.h
index b150e073e0..c9603f0188 100644
--- a/extensions/AssetsManager/AssetsManager.h
+++ b/extensions/AssetsManager/AssetsManager.h
@@ -26,7 +26,7 @@
 #define __AssetsManager__
 
 #include <string>
-#include <curl/curl.h>
+
 #include <mutex>
 
 #include "cocos2d.h"
@@ -41,7 +41,7 @@ class AssetsManagerDelegateProtocol;
  *  The updated package should be a zip file. And there should be a file named
  *  version in the server, which contains version code.
  */
-class AssetsManager
+class AssetsManager : public Node
 {
 public:
     enum class ErrorCode
@@ -77,6 +77,14 @@ public:
     
     virtual ~AssetsManager();
     
+    typedef std::function<void(int)> ErrorCallback;
+    typedef std::function<void(int)> ProgressCallback;
+    typedef std::function<void(void)> SuccessCallback;
+
+    /* @brief To access within scripting environment
+     */
+    static AssetsManager* create(const char* packageUrl, const char* versionFileUrl, const char* storagePath, ErrorCallback errorCallback, ProgressCallback progressCallback, SuccessCallback successCallback );
+
     /* @brief Check out if there is a new version resource.
      *        You may use this method before updating, then let user determine whether
      *        he wants to update resources.
@@ -172,6 +180,7 @@ private:
         std::list<Message*> *_messageQueue;
         std::mutex _messageQueueMutex;
     };
+
     
 private:
     //! The path to store downloaded resources.
@@ -185,16 +194,17 @@ private:
     
     std::string _downloadedVersion;
     
-    CURL *_curl;
+    void *_curl;
+
     Helper *_schedule;
     unsigned int _connectionTimeout;
     
-    AssetsManagerDelegateProtocol *_delegate; // weak reference
+    AssetsManagerDelegateProtocol *_delegate; 
     
     bool _isDownloading;
 };
 
-class AssetsManagerDelegateProtocol
+class AssetsManagerDelegateProtocol : public Object
 {
 public:
     /* @brief Call back function for error
diff --git a/extensions/cocos-ext.h b/extensions/cocos-ext.h
index 716f269065..13f5d25ee5 100644
--- a/extensions/cocos-ext.h
+++ b/extensions/cocos-ext.h
@@ -56,4 +56,6 @@
 
 #include "CCDeprecated-ext.h"
 
+#include "AssetsManager/AssetsManager.h"
+
 #endif /* __COCOS2D_EXT_H__ */
diff --git a/tools/tojs/cocos2dx_extension.ini b/tools/tojs/cocos2dx_extension.ini
index 6a31b61f3c..6c812165bc 100644
--- a/tools/tojs/cocos2dx_extension.ini
+++ b/tools/tojs/cocos2dx_extension.ini
@@ -13,7 +13,7 @@ android_flags = -D_SIZE_T_DEFINED_
 clang_headers = -I%(clangllvmdir)s/lib/clang/3.3/include 
 clang_flags = -nostdinc -x c++ -std=c++11
 
-cocos_headers = -I%(cocosdir)s/cocos2dx/include -I%(cocosdir)s/cocos2dx/platform -I%(cocosdir)s/cocos2dx/platform/android -I%(cocosdir)s/cocos2dx -I%(cocosdir)s/cocos2dx/kazmath/include -I%(cocosdir)s/extensions
+cocos_headers = -I%(cocosdir)s/cocos2dx/include -I%(cocosdir)s/cocos2dx/platform -I%(cocosdir)s/cocos2dx/platform/android -I%(cocosdir)s/cocos2dx -I%(cocosdir)s/cocos2dx/kazmath/include -I%(cocosdir)s/extensions 
 cocos_flags = -DANDROID -DCOCOS2D_JAVASCRIPT
 
 cxxgenerator_headers = -I%(cxxgeneratordir)s/targets/spidermonkey/common
@@ -26,7 +26,7 @@ headers = %(cocosdir)s/extensions/cocos-ext.h
 
 # what classes to produce code for. You can use regular expressions here. When testing the regular
 # expression, it will be enclosed in "^$", like this: "^Menu*$".
-classes = CCBReader.* CCBAnimationManager.* Scale9Sprite Control$ ControlButton.* ScrollView$ TableView$ TableViewCell$ EditBox$
+classes = AssetsManager.* CCBReader.* CCBAnimationManager.* Scale9Sprite Control$ ControlButton.* ScrollView$ TableView$ TableViewCell$ EditBox$
 
 # what should we skip? in the format ClassName::[function function]
 # ClassName is a regular expression, but will be used like this: "^ClassName$" functions are also
@@ -43,6 +43,7 @@ skip = CCBReader::[^CCBReader$ addOwnerCallbackName isJSControlled readByte getC
         *::[^visit$ copyWith.* onEnter.* onExit.* ^description$ getObjectType],
         EditBox::[(g|s)etDelegate ^keyboard.* touchDownAction getScriptEditBoxHandler registerScriptEditBoxHandler unregisterScriptEditBoxHandler],
         TableView::[create (g|s)etDataSource$ (g|s)etDelegate],
+        AssetsManager::[setDelegate],
         Control::[removeHandleOfControlEvent addHandleOfControlEvent]
 
 rename_functions = CCBReader::[getAnimationManager=getActionManager setAnimationManager=setActionManager],