diff --git a/src/MediaFile/MediaReader.cpp b/src/MediaFile/MediaReader.cpp
index dd3bb74f..2e8ee66d 100644
--- a/src/MediaFile/MediaReader.cpp
+++ b/src/MediaFile/MediaReader.cpp
@@ -127,15 +127,15 @@ MediaReader::MediaReader(const string &strVhost,const string &strApp, const stri
 	}
 
 	_iDuration	= MAX(_video_ms,_audio_ms);
-	_pChn.reset(new DevChannel(strVhost.data(),strApp.data(),strId.data(),_iDuration/1000.0,false, false));
+	_mediaMuxer.reset(new MultiMediaSourceMuxer(strVhost.data(),strApp.data(),strId.data(),_iDuration/1000.0,false, false));
 	if (_audio_trId != MP4_INVALID_TRACK_ID) {
 		AACTrack::Ptr track = std::make_shared<AACTrack>(_strAacCfg);
-		_pChn->addTrack(track);
+		_mediaMuxer->addTrack(track);
 	}
 
 	if (_video_trId != MP4_INVALID_TRACK_ID) {
 		H264Track::Ptr track = std::make_shared<H264Track>(_strSps,_strPps);
-		_pChn->addTrack(track);
+		_mediaMuxer->addTrack(track);
 	}
 }
 
@@ -155,7 +155,7 @@ void MediaReader::startReadMP4() {
     AsyncTaskThread::Instance().DoTaskDelay(reinterpret_cast<uint64_t>(this), sampleMS, [strongSelf](){
 		return strongSelf->readSample();
 	});
-	_pChn->setListener(strongSelf);
+	_mediaMuxer->setListener(strongSelf);
 }
  bool MediaReader::seekTo(uint32_t ui32Stamp){
 	 seek(ui32Stamp);
@@ -171,7 +171,7 @@ bool MediaReader::readSample(int iTimeInc) {
 	lock_guard<recursive_mutex> lck(_mtx);
 	auto bFlag0 = readVideoSample(iTimeInc);//数据没读完
 	auto bFlag1 = readAudioSample(iTimeInc);//数据没读完
-	auto bFlag2 = _pChn->readerCount() > 0;//读取者大于0
+	auto bFlag2 = _mediaMuxer->readerCount() > 0;//读取者大于0
 	if((bFlag0 || bFlag1) && bFlag2){
 		_alive.resetTime();
 	}
@@ -236,11 +236,11 @@ inline bool MediaReader::readAudioSample(int iTimeInc) {
 }
 
 inline void MediaReader::writeH264(uint8_t *pucData,int iLen,uint32_t uiStamp) {
-	_pChn->inputFrame(std::make_shared<H264FrameNoCopyAble>((char*)pucData,iLen,uiStamp));
+	_mediaMuxer->inputFrame(std::make_shared<H264FrameNoCopyAble>((char*)pucData,iLen,uiStamp));
 }
 
 inline void MediaReader::writeAAC(uint8_t *pucData,int iLen,uint32_t uiStamp) {
-	_pChn->inputFrame(std::make_shared<AACFrameNoCopyAble>((char*)pucData,iLen,uiStamp));
+	_mediaMuxer->inputFrame(std::make_shared<AACFrameNoCopyAble>((char*)pucData,iLen,uiStamp));
 }
 
 inline MP4SampleId MediaReader::getVideoSampleId(int iTimeInc ) {
@@ -287,7 +287,7 @@ void MediaReader::seek(uint32_t iSeekTime,bool bReStart){
 			setSeekTime(iSeekTime);
 		}
 	}
-	_pChn->setTimeStamp(_iSeekTime);
+	_mediaMuxer->setTimeStamp(_iSeekTime);
 
 	if(bReStart){
 		AsyncTaskThread::Instance().CancelTask(reinterpret_cast<uint64_t>(this));
diff --git a/src/MediaFile/MediaReader.h b/src/MediaFile/MediaReader.h
index 65d9406e..40ed34a4 100644
--- a/src/MediaFile/MediaReader.h
+++ b/src/MediaFile/MediaReader.h
@@ -47,9 +47,21 @@ public:
 public:
 	bool seekTo(uint32_t ui32Stamp) override;
     bool close() override;
-private:
 
 #ifdef ENABLE_MP4V2
+private:
+	void seek(uint32_t iSeekTime,bool bReStart = true);
+	inline void setSeekTime(uint32_t iSeekTime);
+	inline uint32_t getVideoCurrentTime();
+	void startReadMP4();
+	inline MP4SampleId getVideoSampleId(int iTimeInc = 0);
+	inline MP4SampleId getAudioSampleId(int iTimeInc = 0);
+	bool readSample(int iTimeInc = 0);
+	inline bool readVideoSample(int iTimeInc = 0);
+	inline bool readAudioSample(int iTimeInc = 0);
+	inline void writeH264(uint8_t *pucData,int iLen,uint32_t uiStamp);
+	inline void writeAAC(uint8_t *pucData,int iLen,uint32_t uiStamp);
+private:
 	MP4FileHandle _hMP4File = MP4_INVALID_FILE_HANDLE;
 	MP4TrackId _video_trId = MP4_INVALID_TRACK_ID;
 	uint32_t _video_ms = 0;
@@ -72,7 +84,7 @@ private:
 	AACFrame _adts;
 
 	int _iDuration = 0;
-	DevChannel::Ptr _pChn;
+	MultiMediaSourceMuxer::Ptr _mediaMuxer;
 	MP4SampleId _video_current = 0;
 	MP4SampleId _audio_current = 0;
 	std::shared_ptr<uint8_t> _pcVideoSample;
@@ -81,20 +93,6 @@ private:
 	Ticker _ticker;
 	Ticker _alive;
 	recursive_mutex _mtx;
-
-	void seek(uint32_t iSeekTime,bool bReStart = true);
-	inline void setSeekTime(uint32_t iSeekTime);
-	inline uint32_t getVideoCurrentTime();
-	void startReadMP4();
-	inline MP4SampleId getVideoSampleId(int iTimeInc = 0);
-	inline MP4SampleId getAudioSampleId(int iTimeInc = 0);
-	bool readSample(int iTimeInc = 0);
-	inline bool readVideoSample(int iTimeInc = 0);
-	inline bool readAudioSample(int iTimeInc = 0);
-	inline void writeH264(uint8_t *pucData,int iLen,uint32_t uiStamp);
-	inline void writeAAC(uint8_t *pucData,int iLen,uint32_t uiStamp);
-
-
 #endif //ENABLE_MP4V2
 };
 
diff --git a/src/Player/PlayerProxy.cpp b/src/Player/PlayerProxy.cpp
index 618e47e3..a639bf5f 100644
--- a/src/Player/PlayerProxy.cpp
+++ b/src/Player/PlayerProxy.cpp
@@ -99,12 +99,12 @@ void PlayerProxy::play(const char* strUrl) {
 		if(!strongSelf) {
 			return;
 		}
-		if(strongSelf->_pChn) {
+		if(strongSelf->_mediaMuxer) {
 			auto tracks = strongSelf->getTracks();
 			for (auto & track : tracks){
-				track->delDelegate(strongSelf->_pChn.get());
+				track->delDelegate(strongSelf->_mediaMuxer.get());
 			}
-			strongSelf->_pChn.reset();
+			strongSelf->_mediaMuxer.reset();
 		}
 		//播放异常中断，延时重试播放
 		if(*piFailedCnt < strongSelf->_iRetryCount || strongSelf->_iRetryCount < 0) {
@@ -142,7 +142,7 @@ bool PlayerProxy::close() {
 		executor->async_first([weakSlef]() {
 			auto stronSelf = weakSlef.lock();
 			if (stronSelf) {
-				stronSelf->_pChn.reset();
+				stronSelf->_mediaMuxer.reset();
 				stronSelf->teardown();
 			}
 		});
@@ -174,32 +174,32 @@ private:
 };
 
 void PlayerProxy::onPlaySuccess() {
-	_pChn.reset(new DevChannel(_strVhost.data(),_strApp.data(),_strSrc.data(),getDuration(),_bEnableHls,_bEnableMp4));
-	_pChn->setListener(shared_from_this());
+	_mediaMuxer.reset(new MultiMediaSourceMuxer(_strVhost.data(),_strApp.data(),_strSrc.data(),getDuration(),_bEnableHls,_bEnableMp4));
+	_mediaMuxer->setListener(shared_from_this());
 
 	auto videoTrack = getTrack(TrackVideo);
 	if(videoTrack){
 		//添加视频
-		_pChn->addTrack(videoTrack);
+		_mediaMuxer->addTrack(videoTrack);
 		//视频数据写入_pChn
-		videoTrack->addDelegate(_pChn);
+		videoTrack->addDelegate(_mediaMuxer);
 	}
 
 	auto audioTrack = getTrack(TrackAudio);
 	if(audioTrack){
 		//添加音频
-		_pChn->addTrack(audioTrack);
+		_mediaMuxer->addTrack(audioTrack);
 		//音频数据写入_pChn
-        audioTrack->addDelegate(_pChn);
+        audioTrack->addDelegate(_mediaMuxer);
     }else if(videoTrack){
 		//没有音频信息，产生一个静音音频
 		MuteAudioMaker::Ptr audioMaker = std::make_shared<MuteAudioMaker>();
 		//videoTrack把数据写入MuteAudioMaker
 		videoTrack->addDelegate(audioMaker);
 		//添加一个静音Track至_pChn
-		_pChn->addTrack(std::make_shared<AACTrack>());
+		_mediaMuxer->addTrack(std::make_shared<AACTrack>());
 		//MuteAudioMaker生成静音音频然后写入_pChn；
-		audioMaker->addDelegate(_pChn);
+		audioMaker->addDelegate(_mediaMuxer);
 	}
 }
 
diff --git a/src/Player/PlayerProxy.h b/src/Player/PlayerProxy.h
index bcb583c7..d3f37ea3 100644
--- a/src/Player/PlayerProxy.h
+++ b/src/Player/PlayerProxy.h
@@ -64,7 +64,7 @@ private:
     bool _bEnableHls;
     bool _bEnableMp4;
     int _iRetryCount;
-    DevChannel::Ptr _pChn;
+	MultiMediaSourceMuxer::Ptr _mediaMuxer;
     string _strVhost;
     string _strApp;
     string _strSrc;