diff --git a/media/placehold.go b/media/placehold.go
index e55da48..4c392f7 100644
--- a/media/placehold.go
+++ b/media/placehold.go
@@ -45,15 +45,15 @@ func (emptyFlvMuxer) TypeFlags() byte                  { return 0 }
 func (emptyFlvMuxer) WriteFrame(frame *codec.Frame) error { return nil }
 func (emptyFlvMuxer) Close() error                     { return nil }
 
-type frameConverter interface {
+type rtpDemuxer interface {
 	rtp.PacketWriter
 	io.Closer
 }
 
-var _ frameConverter = emptyFrameConverter{}
+var _ rtpDemuxer = emptyRtpDemuxer{}
 
-type emptyFrameConverter struct{}
+type emptyRtpDemuxer struct{}
 
-func (emptyFrameConverter) TypeFlags() byte               { return 0 }
-func (emptyFrameConverter) WriteRtpPacket(*rtp.Packet) error { return nil }
-func (emptyFrameConverter) Close() error                  { return nil }
+func (emptyRtpDemuxer) TypeFlags() byte               { return 0 }
+func (emptyRtpDemuxer) WriteRtpPacket(*rtp.Packet) error { return nil }
+func (emptyRtpDemuxer) Close() error                  { return nil }
diff --git a/media/stream.go b/media/stream.go
index 2688729..99d3394 100755
--- a/media/stream.go
+++ b/media/stream.go
@@ -51,7 +51,7 @@ type Stream struct {
 	consumerSequenceSeed uint32
 	consumptions         consumptions // 消费者列表
 	cache                packCache    // 媒体包缓存
-	frameConverter       frameConverter
+	rtpDemuxer           rtpDemuxer
 	flvMuxer             flvMuxer
 	flvConsumptions      consumptions
 	flvCache             packCache
@@ -110,9 +110,9 @@ func (s *Stream) prepareOtherStream() {
 		audioExtractor = rtp.NewAacDepacketizer(s, s.Audio.SampleRate)
 	}
 	if videoExtractor == nil && audioExtractor == nil {
-		s.frameConverter = emptyFrameConverter{}
+		s.rtpDemuxer = emptyRtpDemuxer{}
 	} else {
-		s.frameConverter = rtp.NewDemuxer(videoExtractor, audioExtractor,
+		s.rtpDemuxer = rtp.NewDemuxer(videoExtractor, audioExtractor,
 			s.logger.With(xlog.Fields(xlog.F("extra", "rtp2frame"))))
 	}
 
@@ -191,7 +191,7 @@ func (s *Stream) close(status int32) error {
 	s.flvMuxer.Close()
 
 	// 关闭 av.Frame 转换器
-	s.frameConverter.Close()
+	s.rtpDemuxer.Close()
 
 	s.consumptions.RemoveAndCloseAll()
 	s.cache.Reset()
@@ -210,7 +210,7 @@ func (s *Stream) WriteRtpPacket(packet *rtp.Packet) error {
 	s.cache.CachePack(packet)
 	s.consumptions.SendToAll(packet)
 
-	s.frameConverter.WriteRtpPacket(packet)
+	s.rtpDemuxer.WriteRtpPacket(packet)
 	return nil
 }