diff --git a/track/aac.go b/track/aac.go
index 5f901ba..bd62465 100644
--- a/track/aac.go
+++ b/track/aac.go
@@ -62,6 +62,10 @@ func (aac *AAC) WriteADTS(ts uint32, adts []byte) {
 
 // https://datatracker.ietf.org/doc/html/rfc3640#section-3.2.1
 func (aac *AAC) WriteRTPFrame(frame *RTPFrame) {
+	if aac.SampleRate != 90000 {
+		aac.generateTimestamp(uint32(uint64(frame.Timestamp) * 90000 / uint64(aac.SampleRate)))
+	}
+	defer aac.Flush()
 	auHeaderLen := util.ReadBE[int](frame.Payload[:aac.Mode]) >> 3 //通常为2，即一个AU Header的长度
 	// auHeaderCount := auHeaderLen >> 1 // AU Header的个数, 通常为1
 	if auHeaderLen == 0 {
diff --git a/track/g711.go b/track/g711.go
index 1458f3e..3128002 100644
--- a/track/g711.go
+++ b/track/g711.go
@@ -54,5 +54,9 @@ func (g711 *G711) WriteAVCC(ts uint32, frame *util.BLL) error {
 }
 
 func (g711 *G711) WriteRTPFrame(frame *RTPFrame) {
+	if g711.SampleRate != 90000 {
+		g711.generateTimestamp(uint32(uint64(frame.Timestamp) * 90000 / uint64(g711.SampleRate)))
+	}
 	g711.AppendAuBytes(frame.Payload)
+	g711.Flush()
 }
diff --git a/track/h264.go b/track/h264.go
index efa5fdb..e57af1c 100644
--- a/track/h264.go
+++ b/track/h264.go
@@ -123,6 +123,10 @@ func (vt *H264) WriteRTPFrame(frame *RTPFrame) {
 		}
 	}
 	frame.SequenceNumber += vt.rtpSequence //增加偏移，需要增加rtp包后需要顺延
+	if frame.Marker {
+		vt.generateTimestamp(frame.Timestamp)
+		vt.Flush()
+	}
 }
 
 // RTP格式补完
diff --git a/track/h265.go b/track/h265.go
index fc280ae..a83e203 100644
--- a/track/h265.go
+++ b/track/h265.go
@@ -115,6 +115,10 @@ func (vt *H265) WriteRTPFrame(frame *RTPFrame) {
 		vt.WriteSliceBytes(frame.Payload)
 	}
 	frame.SequenceNumber += vt.rtpSequence //增加偏移，需要增加rtp包后需要顺延
+	if frame.Marker {
+		vt.generateTimestamp(frame.Timestamp)
+		vt.Flush()
+	}
 }
 
 // RTP格式补完
diff --git a/track/rtp.go b/track/rtp.go
index 6522585..92979a3 100644
--- a/track/rtp.go
+++ b/track/rtp.go
@@ -33,16 +33,11 @@ func (av *Media) UnmarshalRTP(raw []byte) (frame *RTPFrame) {
 }
 
 func (av *Media) writeRTPFrame(frame *RTPFrame) {
+	if len(frame.Payload) == 0 {
+		return
+	}
 	av.Value.RTP.PushValue(*frame)
 	av.WriteRTPFrame(frame)
-	if frame.Marker {
-		if av.SampleRate != 90000 {
-			av.SpesificTrack.generateTimestamp(uint32(uint64(frame.Timestamp) * 90000 / uint64(av.SampleRate)))
-		} else {
-			av.SpesificTrack.generateTimestamp(frame.Timestamp)
-		}
-		av.SpesificTrack.Flush()
-	}
 }
 
 // WriteRTPPack 写入已反序列化的RTP包
diff --git a/util/reorder_test.go b/util/reorder_test.go
new file mode 100644
index 0000000..72f1c27
--- /dev/null
+++ b/util/reorder_test.go
@@ -0,0 +1,38 @@
+package util
+
+import (
+	"testing"
+)
+
+type stuff struct {
+	seq uint16
+}
+
+func (s *stuff) Clone() *stuff {
+	return s
+}
+
+func TestReorder(t *testing.T) {
+	t.Run(t.Name(), func(t *testing.T) {
+		var recoder RTPReorder[*stuff]
+		for i := (uint16)(0); i < 25; i++ {
+			recoder.Push(i*2, &stuff{seq: i * 2})
+		}
+		if recoder.Pop() != nil {
+			t.Error("pop nil")
+		}
+		for i := (uint16)(0); i < 25; i++ {
+			x := recoder.Push(i*2+1, &stuff{seq: i*2 + 1})
+			if x != nil {
+				t.Logf("%d", x.seq)
+			}
+			for {
+				if x = recoder.Pop(); x == nil {
+					break
+				} else {
+					t.Logf("%d", x.seq)
+				}
+			}
+		}
+	})
+}