diff --git a/CocosDenshion/win32/SimpleAudioEngine.cpp b/CocosDenshion/win32/SimpleAudioEngine.cpp
index f2ff497145..7ffcffaf91 100644
--- a/CocosDenshion/win32/SimpleAudioEngine.cpp
+++ b/CocosDenshion/win32/SimpleAudioEngine.cpp
@@ -10,21 +10,29 @@ using namespace std;
 namespace CocosDenshion {
 
 typedef map<unsigned int, MciPlayer> EffectList;
-typedef pair<unsigned int ,MciPlayer> Effect;
-
-static SimpleAudioEngine s_SharedEngine;
-static EffectList	s_List;
-static MciPlayer	s_Music;
-static char			s_szRootPath[MAX_PATH];
-static DWORD		s_dwRootLen;
-static char			s_szFullPath[MAX_PATH];
+typedef pair<unsigned int, MciPlayer> Effect;
 
+static char     s_szRootPath[MAX_PATH];
+static DWORD    s_dwRootLen;
+static char     s_szFullPath[MAX_PATH];
 
 static const char * _FullPath(const char * szPath);
 static unsigned int _Hash(const char *key);
 
 #define BREAK_IF(cond)  if (cond) break;
 
+static EffectList& sharedList()
+{
+    static EffectList s_List;
+    return s_List;
+}
+
+static MciPlayer& sharedMusic()
+{
+    static MciPlayer s_Music;
+    return s_Music;
+}
+
 SimpleAudioEngine::SimpleAudioEngine()
 {
 }
@@ -35,12 +43,15 @@ SimpleAudioEngine::~SimpleAudioEngine()
 
 SimpleAudioEngine* SimpleAudioEngine::sharedEngine()
 {
+    static SimpleAudioEngine s_SharedEngine;
     return &s_SharedEngine;
 }
 
 void SimpleAudioEngine::end()
 {
-	return;
+    sharedMusic().Close();
+    sharedList().clear();
+    return;
 }
 
 void SimpleAudioEngine::setResource(const char* pszResPath, const char* pszZipFileName)
@@ -53,40 +64,40 @@ void SimpleAudioEngine::setResource(const char* pszResPath, const char* pszZipFi
 
 void SimpleAudioEngine::playBackgroundMusic(const char* pszFilePath, bool bLoop)
 {
-	if (! pszFilePath)
-	{
-		return;
-	}
+    if (! pszFilePath)
+    {
+        return;
+    }
 
-	s_Music.Open(_FullPath(pszFilePath), _Hash(pszFilePath));
-	s_Music.Play((bLoop) ? -1 : 1);
+    sharedMusic().Open(_FullPath(pszFilePath), _Hash(pszFilePath));
+    sharedMusic().Play((bLoop) ? -1 : 1);
 }
 
 void SimpleAudioEngine::stopBackgroundMusic(bool bReleaseData)
 {
     if (bReleaseData)
     {
-        s_Music.Close();
+        sharedMusic().Close();
     }
     else
     {
-        s_Music.Stop();
+        sharedMusic().Stop();
     }
 }
 
 void SimpleAudioEngine::pauseBackgroundMusic()
 {
-	s_Music.Pause();
+    sharedMusic().Pause();
 }
 
 void SimpleAudioEngine::resumeBackgroundMusic()
 {
-	s_Music.Resume();
+    sharedMusic().Resume();
 }
 
 void SimpleAudioEngine::rewindBackgroundMusic()
 {
-	s_Music.Rewind();
+    sharedMusic().Rewind();
 }
 
 bool SimpleAudioEngine::willPlayBackgroundMusic()
@@ -96,7 +107,7 @@ bool SimpleAudioEngine::willPlayBackgroundMusic()
 
 bool SimpleAudioEngine::isBackgroundMusicPlaying()
 {
-	return s_Music.IsPlaying();
+    return sharedMusic().IsPlaying();
 }
 
 //////////////////////////////////////////////////////////////////////////
@@ -107,46 +118,46 @@ unsigned int SimpleAudioEngine::playEffect(const char* pszFilePath)
 {
     unsigned int nRet = _Hash(pszFilePath);
 
-	preloadEffect(pszFilePath);
+    preloadEffect(pszFilePath);
 
-    EffectList::iterator p = s_List.find(nRet);
-    if (p != s_List.end())
+    EffectList::iterator p = sharedList().find(nRet);
+    if (p != sharedList().end())
     {
         p->second.Rewind();
     }
 
-	return nRet;
+    return nRet;
 }
 
 void SimpleAudioEngine::stopEffect(unsigned int nSoundId)
 {
-	EffectList::iterator p = s_List.find(nSoundId);
-	if (p != s_List.end())
-	{
-		p->second.Stop();
-	}
+    EffectList::iterator p = sharedList().find(nSoundId);
+    if (p != sharedList().end())
+    {
+        p->second.Stop();
+    }
 }
 
 void SimpleAudioEngine::preloadEffect(const char* pszFilePath)
 {
-	int nRet = 0;
-	do 
-	{
-		BREAK_IF(! pszFilePath);
+    int nRet = 0;
+    do 
+    {
+        BREAK_IF(! pszFilePath);
 
-		nRet = _Hash(pszFilePath);
+        nRet = _Hash(pszFilePath);
 
-		BREAK_IF(s_List.end() != s_List.find(nRet));
+        BREAK_IF(sharedList().end() != sharedList().find(nRet));
 
-		s_List.insert(Effect(nRet, MciPlayer()));
-		MciPlayer& player = s_List[nRet];
-		player.Open(_FullPath(pszFilePath), nRet);
+        sharedList().insert(Effect(nRet, MciPlayer()));
+        MciPlayer& player = sharedList()[nRet];
+        player.Open(_FullPath(pszFilePath), nRet);
 
-		BREAK_IF(nRet == player.GetSoundID());
+        BREAK_IF(nRet == player.GetSoundID());
 
-		s_List.erase(nRet);
-		nRet = 0;
-	} while (0);
+        sharedList().erase(nRet);
+        nRet = 0;
+    } while (0);
 }
 
 void SimpleAudioEngine::preloadBackgroundMusic(const char* pszFilePath)
@@ -157,21 +168,16 @@ void SimpleAudioEngine::preloadBackgroundMusic(const char* pszFilePath)
 void SimpleAudioEngine::unloadEffect(const char* pszFilePath)
 {
     unsigned int nID = _Hash(pszFilePath);
-	s_List.erase(nID);
+    sharedList().erase(nID);
 }
 
-// void SimpleAudioEngine::unloadEffectAll()
-// {
-// 	s_List.clear();
-// }
-
 //////////////////////////////////////////////////////////////////////////
 // volume interface
 //////////////////////////////////////////////////////////////////////////
 
 float SimpleAudioEngine::getBackgroundMusicVolume()
 {
-	return 1.0;
+    return 1.0;
 }
 
 void SimpleAudioEngine::setBackgroundMusicVolume(float volume)
@@ -180,7 +186,7 @@ void SimpleAudioEngine::setBackgroundMusicVolume(float volume)
 
 float SimpleAudioEngine::getEffectsVolume()
 {
-	return 1.0;
+    return 1.0;
 }
 
 void SimpleAudioEngine::setEffectsVolume(float volume)
@@ -193,44 +199,44 @@ void SimpleAudioEngine::setEffectsVolume(float volume)
 
 const char * _FullPath(const char * szPath)
 {
-	if (! s_szRootPath[0])
-	{
-		s_dwRootLen = GetModuleFileName(NULL, s_szRootPath, sizeof(s_szRootPath));
-		while (--s_dwRootLen)
-		{
-			if ('\\' == s_szRootPath[s_dwRootLen])
-			{
-				s_szRootPath[s_dwRootLen + 1] = 0;
-				strcpy_s(s_szFullPath, sizeof(s_szFullPath), s_szRootPath);
-				++s_dwRootLen;
-				break;
-			}
-		}
-	}
+    if (! s_szRootPath[0])
+    {
+        s_dwRootLen = GetModuleFileName(NULL, s_szRootPath, sizeof(s_szRootPath));
+        while (--s_dwRootLen)
+        {
+            if ('\\' == s_szRootPath[s_dwRootLen])
+            {
+                s_szRootPath[s_dwRootLen + 1] = 0;
+                strcpy_s(s_szFullPath, sizeof(s_szFullPath), s_szRootPath);
+                ++s_dwRootLen;
+                break;
+            }
+        }
+    }
 
-	if (0 != szPath[0] && ':' != szPath[1])
-	{
-		strcpy_s(s_szFullPath + s_dwRootLen, sizeof(s_szFullPath) - s_dwRootLen, szPath);
-		return s_szFullPath;
-	}
-	else
-	{
-		return szPath;
-	}
+    if (0 != szPath[0] && ':' != szPath[1])
+    {
+        strcpy_s(s_szFullPath + s_dwRootLen, sizeof(s_szFullPath) - s_dwRootLen, szPath);
+        return s_szFullPath;
+    }
+    else
+    {
+        return szPath;
+    }
 }
 
 unsigned int _Hash(const char *key)
 {
-	unsigned int len = strlen(key);
-	const char *end=key+len;
-	unsigned int hash;
+    unsigned int len = strlen(key);
+    const char *end=key+len;
+    unsigned int hash;
 
-	for (hash = 0; key < end; key++)
-	{
-		hash *= 16777619;
-		hash ^= (unsigned int) (unsigned char) toupper(*key);
-	}
-	return (hash);
+    for (hash = 0; key < end; key++)
+    {
+        hash *= 16777619;
+        hash ^= (unsigned int) (unsigned char) toupper(*key);
+    }
+    return (hash);
 }
 
 } // end of namespace CocosDenshion