diff --git a/src/MediaFile/Mp4Maker.cpp b/src/MediaFile/MP4Recorder.cpp
similarity index 93%
rename from src/MediaFile/Mp4Maker.cpp
rename to src/MediaFile/MP4Recorder.cpp
index 3cf2a7ec..658243c9 100644
--- a/src/MediaFile/Mp4Maker.cpp
+++ b/src/MediaFile/MP4Recorder.cpp
@@ -28,7 +28,7 @@
 #include <ctime>
 #include <sys/stat.h>
 #include "Common/config.h"
-#include "Mp4Maker.h"
+#include "MP4Recorder.h"
 #include "Util/util.h"
 #include "Util/NoticeCenter.h"
 #include "Thread/WorkThreadPool.h"
@@ -53,7 +53,7 @@ string timeStr(const char *fmt) {
 	return buffer;
 }
 
-Mp4Maker::Mp4Maker(const string& strPath,
+MP4Recorder::MP4Recorder(const string& strPath,
 				   const string &strVhost,
 				   const string &strApp,
 				   const string &strStreamId) {
@@ -64,11 +64,11 @@ Mp4Maker::Mp4Maker(const string& strPath,
 	_info.strVhost = strVhost;
 	_info.strFolder = strPath;
 }
-Mp4Maker::~Mp4Maker() {
+MP4Recorder::~MP4Recorder() {
 	closeFile();
 }
 
-void Mp4Maker::createFile() {
+void MP4Recorder::createFile() {
 	closeFile();
 	auto strDate = timeStr("%Y-%m-%d");
 	auto strTime = timeStr("%H-%M-%S");
@@ -100,7 +100,7 @@ void Mp4Maker::createFile() {
 	}
 }
 
-void Mp4Maker::asyncClose() {
+void MP4Recorder::asyncClose() {
 	auto muxer = _muxer;
 	auto strFileTmp = _strFileTmp;
 	auto strFile = _strFile;
@@ -121,14 +121,14 @@ void Mp4Maker::asyncClose() {
 	});
 }
 
-void Mp4Maker::closeFile() {
+void MP4Recorder::closeFile() {
 	if (_muxer) {
 		asyncClose();
 		_muxer = nullptr;
 	}
 }
 
-void Mp4Maker::onTrackFrame(const Frame::Ptr &frame) {
+void MP4Recorder::onTrackFrame(const Frame::Ptr &frame) {
 	GET_CONFIG(uint32_t,recordSec,Record::kFileSecond);
 	if(!_muxer || ((_createFileTicker.elapsedTime() > recordSec * 1000) &&
 			      (!_haveVideo || (_haveVideo && frame->keyFrame()))) ){
@@ -145,7 +145,7 @@ void Mp4Maker::onTrackFrame(const Frame::Ptr &frame) {
 	}
 }
 
-void Mp4Maker::onTrackReady(const Track::Ptr & track){
+void MP4Recorder::onTrackReady(const Track::Ptr & track){
 	//保存所有的track，为创建MP4MuxerFile做准备
 	_tracks.emplace_back(track);
 	if(track->getTrackType() == TrackVideo){
diff --git a/src/MediaFile/Mp4Maker.h b/src/MediaFile/MP4Recorder.h
similarity index 95%
rename from src/MediaFile/Mp4Maker.h
rename to src/MediaFile/MP4Recorder.h
index cef69701..ca97cb3f 100644
--- a/src/MediaFile/Mp4Maker.h
+++ b/src/MediaFile/MP4Recorder.h
@@ -55,14 +55,14 @@ public:
 	string strStreamId;//流ID
 	string strVhost;//vhost
 };
-class Mp4Maker : public MediaSink{
+class MP4Recorder : public MediaSink{
 public:
-	typedef std::shared_ptr<Mp4Maker> Ptr;
-	Mp4Maker(const string &strPath,
+	typedef std::shared_ptr<MP4Recorder> Ptr;
+	MP4Recorder(const string &strPath,
 			 const string &strVhost ,
 			 const string &strApp,
 			 const string &strStreamId);
-	virtual ~Mp4Maker();
+	virtual ~MP4Recorder();
 private:
 	/**
      * 某Track输出frame，在onAllTrackReady触发后才会调用此方法
diff --git a/src/MediaFile/MediaRecorder.cpp b/src/MediaFile/MediaRecorder.cpp
index 71eac5e4..ee205623 100644
--- a/src/MediaFile/MediaRecorder.cpp
+++ b/src/MediaFile/MediaRecorder.cpp
@@ -58,10 +58,10 @@ MediaRecorder::MediaRecorder(const string &strVhost_tmp,
         string m3u8FilePath;
         if(enableVhost){
             m3u8FilePath = hlsPath + "/" + strVhost + "/" + strApp + "/" + strId + "/hls.m3u8";
-            _hlsMaker.reset(new HlsRecorder(m3u8FilePath,string(VHOST_KEY) + "=" + strVhost ,hlsBufSize, hlsDuration, hlsNum));
+            _hlsRecorder.reset(new HlsRecorder(m3u8FilePath,string(VHOST_KEY) + "=" + strVhost ,hlsBufSize, hlsDuration, hlsNum));
         }else{
             m3u8FilePath = hlsPath + "/" + strApp + "/" + strId + "/hls.m3u8";
-            _hlsMaker.reset(new HlsRecorder(m3u8FilePath,"",hlsBufSize, hlsDuration, hlsNum));
+            _hlsRecorder.reset(new HlsRecorder(m3u8FilePath,"",hlsBufSize, hlsDuration, hlsNum));
         }
     }
 #endif //defined(ENABLE_HLS)
@@ -77,7 +77,7 @@ MediaRecorder::MediaRecorder(const string &strVhost_tmp,
         } else {
             mp4FilePath = recordPath + "/" + recordAppName + "/" + strApp + "/"  + strId + "/";
         }
-        _mp4Maker.reset(new Mp4Maker(mp4FilePath,strVhost,strApp,strId));
+        _mp4Recorder.reset(new MP4Recorder(mp4FilePath,strVhost,strApp,strId));
     }
 #endif //defined(ENABLE_MP4V2)
 }
@@ -87,28 +87,28 @@ MediaRecorder::~MediaRecorder() {
 
 void MediaRecorder::inputFrame(const Frame::Ptr &frame) {
 #if defined(ENABLE_HLS)
-    if (_hlsMaker) {
-        _hlsMaker->inputFrame(frame);
+    if (_hlsRecorder) {
+        _hlsRecorder->inputFrame(frame);
     }
 #endif //defined(ENABLE_HLS)
 
 #if defined(ENABLE_MP4V2)
-    if (_mp4Maker) {
-        _mp4Maker->inputFrame(frame);
+    if (_mp4Recorder) {
+        _mp4Recorder->inputFrame(frame);
     }
 #endif //defined(ENABLE_MP4V2)
 }
 
 void MediaRecorder::addTrack(const Track::Ptr &track) {
 #if defined(ENABLE_HLS)
-    if (_hlsMaker) {
-        _hlsMaker->addTrack(track);
+    if (_hlsRecorder) {
+        _hlsRecorder->addTrack(track);
     }
 #endif //defined(ENABLE_HLS)
 
 #if defined(ENABLE_MP4RECORD)
-    if (_mp4Maker) {
-        _mp4Maker->addTrack(track);
+    if (_mp4Recorder) {
+        _mp4Recorder->addTrack(track);
     }
 #endif //defined(ENABLE_MP4RECORD)
 }
diff --git a/src/MediaFile/MediaRecorder.h b/src/MediaFile/MediaRecorder.h
index da06885e..70ff0093 100644
--- a/src/MediaFile/MediaRecorder.h
+++ b/src/MediaFile/MediaRecorder.h
@@ -30,7 +30,7 @@
 #include <memory>
 #include "Player/PlayerBase.h"
 #include "Common/MediaSink.h"
-#include "Mp4Maker.h"
+#include "MP4Recorder.h"
 #include "HlsRecorder.h"
 
 using namespace toolkit;
@@ -61,11 +61,11 @@ public:
 	void addTrack(const Track::Ptr & track) override;
 private:
 #if defined(ENABLE_HLS)
-	std::shared_ptr<HlsRecorder> _hlsMaker;
+	std::shared_ptr<HlsRecorder> _hlsRecorder;
 #endif //defined(ENABLE_HLS)
 
 #if defined(ENABLE_MP4RECORD)
-	std::shared_ptr<Mp4Maker> _mp4Maker;
+	std::shared_ptr<MP4Recorder> _mp4Recorder;
 #endif //defined(ENABLE_MP4RECORD)
 };
 
diff --git a/src/Rtsp/RtpBroadCaster.cpp b/src/Rtsp/RtpMultiCaster.cpp
similarity index 90%
rename from src/Rtsp/RtpBroadCaster.cpp
rename to src/Rtsp/RtpMultiCaster.cpp
index b5e4b7dd..1de5bcfe 100644
--- a/src/Rtsp/RtpBroadCaster.cpp
+++ b/src/Rtsp/RtpMultiCaster.cpp
@@ -26,7 +26,7 @@
 
 #include <list>
 #include <type_traits>
-#include "RtpBroadCaster.h"
+#include "RtpMultiCaster.h"
 #include "Util/util.h"
 #include "Network/sockutil.h"
 #include "RtspSession.h"
@@ -81,10 +81,10 @@ void MultiCastAddressMaker::release(uint32_t iAddr){
 }
 
 
-recursive_mutex RtpBroadCaster::g_mtx;
-unordered_map<string, weak_ptr<RtpBroadCaster> > RtpBroadCaster::g_mapBroadCaster;
+recursive_mutex RtpMultiCaster::g_mtx;
+unordered_map<string, weak_ptr<RtpMultiCaster> > RtpMultiCaster::g_mapBroadCaster;
 
-void RtpBroadCaster::setDetachCB(void* listener, const onDetach& cb) {
+void RtpMultiCaster::setDetachCB(void* listener, const onDetach& cb) {
 	lock_guard<recursive_mutex> lck(_mtx);
 	if(cb){
 		_mapDetach.emplace(listener,cb);
@@ -92,12 +92,12 @@ void RtpBroadCaster::setDetachCB(void* listener, const onDetach& cb) {
 		_mapDetach.erase(listener);
 	}
 }
-RtpBroadCaster::~RtpBroadCaster() {
+RtpMultiCaster::~RtpMultiCaster() {
 	_pReader->setReadCB(nullptr);
 	_pReader->setDetachCB(nullptr);
 	DebugL;
 }
-RtpBroadCaster::RtpBroadCaster(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream) {
+RtpMultiCaster::RtpMultiCaster(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream) {
 	auto src = dynamic_pointer_cast<RtspMediaSource>(MediaSource::find(RTSP_SCHEMA,strVhost,strApp, strStream));
 	if(!src){
 		auto strErr = StrPrinter << "未找到媒体源:" << strVhost << " " << strApp << " " << strStream << endl;
@@ -148,22 +148,22 @@ RtpBroadCaster::RtpBroadCaster(const EventPoller::Ptr &poller,const string &strL
             << strVhost << " "
 			<< strApp << " " << strStream;
 }
-uint16_t RtpBroadCaster::getPort(TrackType trackType){
+uint16_t RtpMultiCaster::getPort(TrackType trackType){
 	return _apUdpSock[trackType]->get_local_port();
 }
-string RtpBroadCaster::getIP(){
+string RtpMultiCaster::getIP(){
 	return inet_ntoa(_aPeerUdpAddr[0].sin_addr);
 }
-RtpBroadCaster::Ptr RtpBroadCaster::make(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream){
+RtpMultiCaster::Ptr RtpMultiCaster::make(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream){
 	try{
-		auto ret = Ptr(new RtpBroadCaster(poller,strLocalIp,strVhost,strApp,strStream),[poller](RtpBroadCaster *ptr){
+		auto ret = Ptr(new RtpMultiCaster(poller,strLocalIp,strVhost,strApp,strStream),[poller](RtpMultiCaster *ptr){
             poller->async([ptr]() {
                 delete ptr;
             });
 		});
 		lock_guard<recursive_mutex> lck(g_mtx);
 		string strKey = StrPrinter << strLocalIp << " "  << strVhost << " " << strApp << " " << strStream << endl;
-		weak_ptr<RtpBroadCaster> weakPtr = ret;
+		weak_ptr<RtpMultiCaster> weakPtr = ret;
 		g_mapBroadCaster.emplace(strKey,weakPtr);
 		return ret;
 	}catch (std::exception &ex) {
@@ -172,7 +172,7 @@ RtpBroadCaster::Ptr RtpBroadCaster::make(const EventPoller::Ptr &poller,const st
 	}
 }
 
-RtpBroadCaster::Ptr RtpBroadCaster::get(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream) {
+RtpMultiCaster::Ptr RtpMultiCaster::get(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream) {
 	string strKey = StrPrinter << strLocalIp << " " << strVhost << " " << strApp << " " << strStream << endl;
 	lock_guard<recursive_mutex> lck(g_mtx);
 	auto it = g_mapBroadCaster.find(strKey);
diff --git a/src/Rtsp/RtpBroadCaster.h b/src/Rtsp/RtpMultiCaster.h
similarity index 93%
rename from src/Rtsp/RtpBroadCaster.h
rename to src/Rtsp/RtpMultiCaster.h
index 10a5bb48..e95802b1 100644
--- a/src/Rtsp/RtpBroadCaster.h
+++ b/src/Rtsp/RtpMultiCaster.h
@@ -65,18 +65,18 @@ private:
 	recursive_mutex _mtx;
 	unordered_set<uint32_t> _setBadAddr;
 };
-class RtpBroadCaster {
+class RtpMultiCaster {
 public:
-	typedef std::shared_ptr<RtpBroadCaster> Ptr;
+	typedef std::shared_ptr<RtpMultiCaster> Ptr;
 	typedef function<void()> onDetach;
-	virtual ~RtpBroadCaster();
+	virtual ~RtpMultiCaster();
 	static Ptr get(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream);
 	void setDetachCB(void *listener,const onDetach &cb);
 	uint16_t getPort(TrackType trackType);
 	string getIP();
 private:
 	static recursive_mutex g_mtx;
-	static unordered_map<string , weak_ptr<RtpBroadCaster> > g_mapBroadCaster;
+	static unordered_map<string , weak_ptr<RtpMultiCaster> > g_mapBroadCaster;
 	static Ptr make(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream);
 
 	std::shared_ptr<uint32_t> _multiAddr;
@@ -86,7 +86,7 @@ private:
 	Socket::Ptr _apUdpSock[2];
 	struct sockaddr_in _aPeerUdpAddr[2];
 
-	RtpBroadCaster(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream);
+	RtpMultiCaster(const EventPoller::Ptr &poller,const string &strLocalIp,const string &strVhost,const string &strApp,const string &strStream);
 
 };
 
diff --git a/src/Rtsp/RtspSession.cpp b/src/Rtsp/RtspSession.cpp
index af01f5a7..47c8b120 100644
--- a/src/Rtsp/RtspSession.cpp
+++ b/src/Rtsp/RtspSession.cpp
@@ -673,14 +673,14 @@ void RtspSession::handleReq_Setup(const Parser &parser) {
 	}
 		break;
 	case Rtsp::RTP_MULTICAST: {
-		if(!_pBrdcaster){
-			_pBrdcaster = RtpBroadCaster::get(getPoller(),get_local_ip(),_mediaInfo._vhost, _mediaInfo._app, _mediaInfo._streamid);
-			if (!_pBrdcaster) {
+		if(!_multicaster){
+			_multicaster = RtpMultiCaster::get(getPoller(),get_local_ip(),_mediaInfo._vhost, _mediaInfo._app, _mediaInfo._streamid);
+			if (!_multicaster) {
 				send_NotAcceptable();
                 throw SockException(Err_shutdown, "can not get a available udp multicast socket");
             }
 			weak_ptr<RtspSession> weakSelf = dynamic_pointer_cast<RtspSession>(shared_from_this());
-			_pBrdcaster->setDetachCB(this, [weakSelf]() {
+			_multicaster->setDetachCB(this, [weakSelf]() {
 				auto strongSelf = weakSelf.lock();
 				if(!strongSelf) {
 					return;
@@ -688,7 +688,7 @@ void RtspSession::handleReq_Setup(const Parser &parser) {
 				strongSelf->safeShutdown(SockException(Err_shutdown,"ring buffer detached"));
 			});
 		}
-		int iSrvPort = _pBrdcaster->getPort(trackRef->_type);
+		int iSrvPort = _multicaster->getPort(trackRef->_type);
 		//我们用trackIdx区分rtp和rtcp包
 		//由于组播udp端口是共享的，而rtcp端口为组播udp端口+1，所以rtcp端口需要改成共享端口
 		auto pSockRtcp = UDPServer::Instance().getSock(getPoller(),get_local_ip().data(),2*trackIdx + 1,iSrvPort + 1);
@@ -702,7 +702,7 @@ void RtspSession::handleReq_Setup(const Parser &parser) {
 
 		sendRtspResponse("200 OK",
 						 {"Transport",StrPrinter << "RTP/AVP;multicast;"
-												 << "destination=" << _pBrdcaster->getIP() << ";"
+												 << "destination=" << _multicaster->getIP() << ";"
 												 << "source=" << get_local_ip() << ";"
 												 << "port=" << iSrvPort << "-" << pSockRtcp->get_local_port() << ";"
 												 << "ttl=" << udpTTL << ";"
diff --git a/src/Rtsp/RtspSession.h b/src/Rtsp/RtspSession.h
index a6ca4b00..90ebc94f 100644
--- a/src/Rtsp/RtspSession.h
+++ b/src/Rtsp/RtspSession.h
@@ -36,7 +36,7 @@
 #include "Common/config.h"
 #include "Network/TcpSession.h"
 #include "Player/PlayerBase.h"
-#include "RtpBroadCaster.h"
+#include "RtpMultiCaster.h"
 #include "RtspMediaSource.h"
 #include "RtspSplitter.h"
 #include "RtpReceiver.h"
@@ -213,7 +213,7 @@ private:
     unordered_set<int> _udpSockConnected;
 	////////RTP over udp_multicast////////
 	//共享的rtp组播对象
-	RtpBroadCaster::Ptr _pBrdcaster;
+	RtpMultiCaster::Ptr _multicaster;
 
 	//登录认证
     string _strNonce;