diff --git a/src/Player/PlayerBase.h b/src/Player/PlayerBase.h
index 0b91da62..5d537072 100644
--- a/src/Player/PlayerBase.h
+++ b/src/Player/PlayerBase.h
@@ -109,7 +109,7 @@ public:
     virtual bool containVideo() const { return false; };
 
     virtual int getTrackCount() const { return  0;};
-	virtual TrackFormat::Ptr getTrack(int index) const {return nullptr;};
+	virtual Track::Ptr getTrack(int index) const {return nullptr;};
 protected:
     virtual void onShutdown(const SockException &ex) {};
     virtual void onPlayResult(const SockException &ex) {};
diff --git a/src/Player/Track.h b/src/Player/Track.h
index b9421f53..21718f45 100644
--- a/src/Player/Track.h
+++ b/src/Player/Track.h
@@ -14,14 +14,14 @@
 using namespace std;
 using namespace ZL::Util;
 
-class TrackFormat : public FrameRingInterface , public CodecInfo{
+class Track : public FrameRingInterface , public CodecInfo{
 public:
-    typedef std::shared_ptr<TrackFormat> Ptr;
-    TrackFormat(){}
-    virtual ~TrackFormat(){}
+    typedef std::shared_ptr<Track> Ptr;
+    Track(){}
+    virtual ~Track(){}
 };
 
-class VideoTrackFormat : public TrackFormat {
+class VideoTrack : public Track {
 public:
     TrackType getTrackType() const override { return TrackVideo;};
     virtual int getVideoHeight() const = 0;
@@ -29,7 +29,7 @@ public:
     virtual float getVideoFps() const = 0;
 };
 
-class AudioTrackFormat : public TrackFormat {
+class AudioTrack : public Track {
 public:
     TrackType getTrackType() const override { return TrackAudio;};
     virtual int getAudioSampleRate() const  = 0;
@@ -37,9 +37,9 @@ public:
     virtual int getAudioChannel() const = 0;
 };
 
-class H264TrackFormat : public VideoTrackFormat{
+class H264Track : public VideoTrack{
 public:
-    H264TrackFormat(const string &sps,const string &pps){
+    H264Track(const string &sps,const string &pps){
         _sps = sps;
         _pps = pps;
     }
@@ -57,9 +57,9 @@ private:
     string _pps;
 };
 
-class AACTrackFormat : public AudioTrackFormat{
+class AACTrack : public AudioTrack{
 public:
-    AACTrackFormat(const string &aac_cfg){
+    AACTrack(const string &aac_cfg){
         _cfg = aac_cfg;
     }
     const string &getAacCfg() const{
diff --git a/src/Rtsp/RtspEncoder.h b/src/Rtsp/RtspEncoder.h
index 64f697b9..aff44e75 100644
--- a/src/Rtsp/RtspEncoder.h
+++ b/src/Rtsp/RtspEncoder.h
@@ -15,7 +15,7 @@ namespace Rtsp{
 /**
 * sdp基类
 */
-class Sdp : public TrackFormat , public RtpRingInterface{
+class Sdp :  public Track , public RtpRingInterface{
 public:
     typedef std::shared_ptr<Sdp> Ptr;
     Sdp(uint32_t sample_rate, uint8_t playload_type){
@@ -54,14 +54,10 @@ public:
     }
 
     void setFrameRing(const FrameRingInterface::RingType::Ptr &ring) override{
-        if(_encoder){
-            _encoder->setFrameRing(ring);
-        }
+        _encoder->setFrameRing(ring);
     }
     void setRtpRing(const RtpRingInterface::RingType::Ptr &ring) override{
-        if(_encoder){
-            _encoder->setRtpRing(ring);
-        }
+        _encoder->setRtpRing(ring);
     }
 
     virtual void createRtpEncoder(uint32_t ssrc, int mtu) {
@@ -81,7 +77,7 @@ private:
 /**
 * sdp中除音视频外的其他描述部分
 */
-class SdpTitle : public Sdp{
+class TitleSdp : public Sdp{
 public:
 
     /**
@@ -90,7 +86,7 @@ public:
      * @param header 自定义sdp描述
      * @param version sdp版本
      */
-    SdpTitle(float dur_sec = 0,
+    TitleSdp(float dur_sec = 0,
              const map<string,string> &header = map<string,string>(),
              int version = 0) : Sdp(0,0){
         _printer << "v=" << version << "\r\n";
@@ -124,7 +120,7 @@ private:
 /**
 * h264类型sdp
 */
-class SdpH264 : public Sdp {
+class H264Sdp : public Sdp {
 public:
 
     /**
@@ -136,7 +132,7 @@ public:
      * @param track_id trackID 默认为TrackVideo
      * @param bitrate 比特率
      */
-    SdpH264(const string &sps,
+    H264Sdp(const string &sps,
             const string &pps,
             int sample_rate = 90000,
             int playload_type = 96,
@@ -186,7 +182,7 @@ private:
 /**
 * aac类型SDP
 */
-class SdpAAC : public Sdp {
+class AACSdp : public Sdp {
 public:
 
     /**
@@ -197,7 +193,7 @@ public:
      * @param track_id trackID 默认为TrackVideo
      * @param bitrate 比特率
      */
-    SdpAAC(const string &aac_cfg,
+    AACSdp(const string &aac_cfg,
            int sample_rate,
            int playload_type = 98,
            int bitrate = 128) : Sdp(sample_rate,playload_type){