diff --git a/CocosDenshion/include/SimpleAudioEngine.h b/CocosDenshion/include/SimpleAudioEngine.h
index 92f669124a..0d5fee4376 100644
--- a/CocosDenshion/include/SimpleAudioEngine.h
+++ b/CocosDenshion/include/SimpleAudioEngine.h
@@ -76,8 +76,9 @@ public:
 
     /**
     @brief Stop playing background music
+    @param bReleaseData If release the background music data or not.As default value is false
     */
-    void stopBackgroundMusic();
+    void stopBackgroundMusic(bool bReleaseData = false);
 
     /**
     @brief Pause playing background music
diff --git a/CocosDenshion/uphone/SimpleAudioEngine.cpp b/CocosDenshion/uphone/SimpleAudioEngine.cpp
index eba3ca2fec..e1325061b7 100644
--- a/CocosDenshion/uphone/SimpleAudioEngine.cpp
+++ b/CocosDenshion/uphone/SimpleAudioEngine.cpp
@@ -10,7 +10,7 @@ static SoundDataManager  *s_pDataManager      = NULL;
 static SoundPlayer       *s_pBackPlayer       = NULL;
 static TSoundPlayer      *s_pEffectPlayer     = NULL;
 
-
+static int     s_nBackMusicID = 0;
 static int     s_nBackgroundMusicVolume = 100;
 static int     s_nEffectsVolume = 100;
 static bool    s_bWillPlayBackgroundMusic = false;
@@ -85,8 +85,8 @@ void SimpleAudioEngine::playBackgroundMusic(const char* pszFilePath, bool bLoop)
         nTimes = -1;
     }
 
-    int nSoundID = s_pDataManager->loadSoundData(pszFilePath);
-    tEffectElement* pElement = s_pDataManager->getSoundData(nSoundID);
+    s_nBackMusicID = s_pDataManager->loadSoundData(pszFilePath);
+    tEffectElement* pElement = s_pDataManager->getSoundData(s_nBackMusicID);
 
     if (pElement)
     {
@@ -94,12 +94,18 @@ void SimpleAudioEngine::playBackgroundMusic(const char* pszFilePath, bool bLoop)
     }
 }
 
-void SimpleAudioEngine::stopBackgroundMusic()
+void SimpleAudioEngine::stopBackgroundMusic(bool bReleaseData)
 {
     if (s_pBackPlayer)
     {
         s_pBackPlayer->Stop();
     }
+
+    if (bReleaseData && s_nBackMusicID)
+    {
+        s_pDataManager->unloadEffect(s_nBackMusicID);
+        s_nBackMusicID = 0;
+    }
 }
 
 void SimpleAudioEngine::pauseBackgroundMusic()
diff --git a/CocosDenshion/uphone/SoundDataManager.cpp b/CocosDenshion/uphone/SoundDataManager.cpp
index ce348a8232..a9cb13b786 100644
--- a/CocosDenshion/uphone/SoundDataManager.cpp
+++ b/CocosDenshion/uphone/SoundDataManager.cpp
@@ -70,8 +70,10 @@ void SoundDataManager::setSoundResInfo(const T_SoundResInfo ResInfo[], int nCoun
 int SoundDataManager::loadSoundData(const char* pszFilePath)
 {
     int nSoundID = 0;
+    SoundInfoMap::iterator iter;
+    iter = m_pSoundMap->find(pszFilePath);
 
-    if (! FileUtils::isFileExisted(pszFilePath))
+    if (iter != m_pSoundMap->end())
     {
         // if the file is not existed, find in the ResourceInfo
         nSoundID = loadFromResourceInfo(pszFilePath);
@@ -166,6 +168,7 @@ int SoundDataManager::loadFromFile(const char* pFilePath)
 
     do
     {
+        BREAK_IF(! FileUtils::isFileExisted(pFilePath));
         int nID = BKDRHash(pFilePath);
 
         // if we have loaded the file before,break
diff --git a/CocosDenshion/win32/SimpleAudioEngine.cpp b/CocosDenshion/win32/SimpleAudioEngine.cpp
index 7bcfaffa35..6663a40fb1 100644
--- a/CocosDenshion/win32/SimpleAudioEngine.cpp
+++ b/CocosDenshion/win32/SimpleAudioEngine.cpp
@@ -55,7 +55,7 @@ void SimpleAudioEngine::playBackgroundMusic(const char* pszFilePath, bool bLoop)
 	s_Music.Play((bLoop) ? -1 : 1);
 }
 
-void SimpleAudioEngine::stopBackgroundMusic()
+void SimpleAudioEngine::stopBackgroundMusic(bool bReleaseData)
 {
 	s_Music.Stop();
 }