diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1dacb26dec..212ba9f946 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,7 +27,7 @@ cmake_minimum_required(VERSION 2.8)
 project (Cocos2d-X)
 
 # The version number
-set(COCOS2D_X_VERSION 3.3.0-beta0)
+set(COCOS2D_X_VERSION 3.3.0-rc1)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 include(CocosBuildHelpers)
diff --git a/cocos/2d/CCFontAtlas.h b/cocos/2d/CCFontAtlas.h
index 5c8d920eef..d045dd3cd1 100644
--- a/cocos/2d/CCFontAtlas.h
+++ b/cocos/2d/CCFontAtlas.h
@@ -107,8 +107,7 @@ public:
      */
      void setAliasTexParameters();
 
-private:
-
+protected:
     void relaseTextures();
     std::unordered_map<ssize_t, Texture2D*> _atlasTextures;
     std::unordered_map<unsigned short, FontLetterDefinition> _fontLetterDefinitions;
@@ -122,7 +121,6 @@ private:
     float _currentPageOrigX;
     float _currentPageOrigY;
     float _letterPadding;
-    bool  _makeDistanceMap;
 
     int _fontAscender;
     EventListenerCustom* _rendererRecreatedListener;
diff --git a/cocos/audio/apple/AudioEngine-inl.mm b/cocos/audio/apple/AudioEngine-inl.mm
index bcb66149d1..609e2dce89 100644
--- a/cocos/audio/apple/AudioEngine-inl.mm
+++ b/cocos/audio/apple/AudioEngine-inl.mm
@@ -129,8 +129,8 @@ namespace cocos2d {
 
 AudioEngineImpl::AudioEngineImpl()
 : _lazyInitLoop(true)
-, _currentAudioID(0)
 , _threadPool(nullptr)
+, _currentAudioID(0)
 {
     
 }
@@ -340,7 +340,7 @@ bool AudioEngineImpl::stop(int audioID)
         }
     }
     
-    alSourcei(player._alSource, AL_BUFFER, NULL);
+    alSourcei(player._alSource, AL_BUFFER, 0);
     
     _alSourceUsed[player._alSource] = false;
     _audioPlayers.erase(audioID);
@@ -353,7 +353,7 @@ void AudioEngineImpl::stopAll()
     for(int index = 0; index < MAX_AUDIOINSTANCES; ++index)
     {
         alSourceStop(_alSources[index]);
-        alSourcei(_alSources[index], AL_BUFFER, NULL);
+        alSourcei(_alSources[index], AL_BUFFER, 0);
         _alSourceUsed[_alSources[index]] = false;
     }
     
diff --git a/cocos/audio/apple/AudioPlayer.h b/cocos/audio/apple/AudioPlayer.h
index 3b5a125784..9d2a455802 100644
--- a/cocos/audio/apple/AudioPlayer.h
+++ b/cocos/audio/apple/AudioPlayer.h
@@ -52,7 +52,7 @@ public:
     float getTime() { return _currTime;}
     bool setLoop(bool loop);
     
-private:
+protected:
     void rotateBufferThread(int offsetFrame);
     bool play2d(AudioCache* cache);
     
diff --git a/cocos/audio/apple/AudioPlayer.mm b/cocos/audio/apple/AudioPlayer.mm
index 81673fda19..d084e8e410 100644
--- a/cocos/audio/apple/AudioPlayer.mm
+++ b/cocos/audio/apple/AudioPlayer.mm
@@ -37,8 +37,8 @@ using namespace cocos2d::experimental;
 
 AudioPlayer::AudioPlayer()
 : _exitThread(false)
-, _timeDirty(false)
 , _streamingSource(false)
+, _timeDirty(false)
 , _currTime(0.0f)
 , _finishCallbak(nullptr)
 , _ready(false)
diff --git a/cocos/audio/include/AudioEngine.h b/cocos/audio/include/AudioEngine.h
index cd1f72e8b2..51e7540347 100644
--- a/cocos/audio/include/AudioEngine.h
+++ b/cocos/audio/include/AudioEngine.h
@@ -55,8 +55,8 @@ public:
     double minDelay;
  
     AudioProfile()
-    : minDelay(0.0)
-    , maxInstances(0)
+    : maxInstances(0)
+    , minDelay(0.0)
     {
         
     }
diff --git a/cocos/cocos2d.cpp b/cocos/cocos2d.cpp
index 111bb4bde6..3dc202f5ac 100644
--- a/cocos/cocos2d.cpp
+++ b/cocos/cocos2d.cpp
@@ -31,7 +31,7 @@ NS_CC_BEGIN
 
 CC_DLL const char* cocos2dVersion()
 {
-    return "cocos2d-x 3.3rc0";
+    return "cocos2d-x 3.3rc1";
 }
 
 NS_CC_END