diff --git a/pkg/httpflv/client_pull_session.go b/pkg/httpflv/client_pull_session.go
index 22198dd..082be9b 100644
--- a/pkg/httpflv/client_pull_session.go
+++ b/pkg/httpflv/client_pull_session.go
@@ -106,6 +106,8 @@ func (session *PullSession) WaitChan() <-chan error {
 	return session.conn.Done()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionUrlContext interface
 // ---------------------------------------------------------------------------------------------------------------------
 
 // Url 文档请参考： interface ISessionUrlContext
@@ -128,12 +130,18 @@ func (session *PullSession) RawQuery() string {
 	return session.urlCtx.RawQuery
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// IObject interface
+// ---------------------------------------------------------------------------------------------------------------------
+
 // UniqueKey 文档请参考： interface IObject
 func (session *PullSession) UniqueKey() string {
 	return session.sessionStat.UniqueKey()
 }
 
-// ----- ISessionStat --------------------------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionStat interface
+// ---------------------------------------------------------------------------------------------------------------------
 
 // UpdateStat 文档请参考： interface ISessionStat
 func (session *PullSession) UpdateStat(intervalSec uint32) {
diff --git a/pkg/rtmp/client_pull_session.go b/pkg/rtmp/client_pull_session.go
index bb4fcc0..d823e20 100644
--- a/pkg/rtmp/client_pull_session.go
+++ b/pkg/rtmp/client_pull_session.go
@@ -115,6 +115,8 @@ func (s *PullSession) WaitChan() <-chan error {
 	return s.core.WaitChan()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionUrlContext interface
 // ---------------------------------------------------------------------------------------------------------------------
 
 // Url 文档请参考： interface ISessionUrlContext
@@ -137,12 +139,18 @@ func (s *PullSession) RawQuery() string {
 	return s.core.RawQuery()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// IObject interface
+// ---------------------------------------------------------------------------------------------------------------------
+
 // UniqueKey 文档请参考： interface IObject
 func (s *PullSession) UniqueKey() string {
 	return s.core.UniqueKey()
 }
 
-// ----- ISessionStat --------------------------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionStat interface
+// ---------------------------------------------------------------------------------------------------------------------
 
 // GetStat 文档请参考： interface ISessionStat
 func (s *PullSession) GetStat() base.StatSession {
diff --git a/pkg/rtmp/client_push_session.go b/pkg/rtmp/client_push_session.go
index c4e2adc..69c3d2d 100644
--- a/pkg/rtmp/client_push_session.go
+++ b/pkg/rtmp/client_push_session.go
@@ -109,6 +109,8 @@ func (s *PushSession) WaitChan() <-chan error {
 	return s.core.WaitChan()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionUrlContext interface
 // ---------------------------------------------------------------------------------------------------------------------
 
 // Url 文档请参考： interface ISessionUrlContext
@@ -131,12 +133,18 @@ func (s *PushSession) RawQuery() string {
 	return s.core.RawQuery()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// IObject interface
+// ---------------------------------------------------------------------------------------------------------------------
+
 // UniqueKey 文档请参考： interface IObject
 func (s *PushSession) UniqueKey() string {
 	return s.core.UniqueKey()
 }
 
-// ----- ISessionStat --------------------------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionStat interface
+// ---------------------------------------------------------------------------------------------------------------------
 
 // GetStat 文档请参考： interface ISessionStat
 func (s *PushSession) GetStat() base.StatSession {
diff --git a/pkg/rtsp/client_pull_session.go b/pkg/rtsp/client_pull_session.go
index 6e67d4e..6f90e91 100644
--- a/pkg/rtsp/client_pull_session.go
+++ b/pkg/rtsp/client_pull_session.go
@@ -145,6 +145,8 @@ func (session *PullSession) WaitChan() <-chan error {
 	return session.waitChan
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionUrlContext interface
 // ---------------------------------------------------------------------------------------------------------------------
 
 // Url 文档请参考： interface ISessionUrlContext
@@ -167,12 +169,18 @@ func (session *PullSession) RawQuery() string {
 	return session.cmdSession.RawQuery()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// IObject interface
+// ---------------------------------------------------------------------------------------------------------------------
+
 // UniqueKey 文档请参考： interface IObject
 func (session *PullSession) UniqueKey() string {
 	return session.baseInSession.UniqueKey()
 }
 
-// ----- ISessionStat --------------------------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionStat interface
+// ---------------------------------------------------------------------------------------------------------------------
 
 // GetStat 文档请参考： interface ISessionStat
 func (session *PullSession) GetStat() base.StatSession {
@@ -191,44 +199,52 @@ func (session *PullSession) IsAlive() (readAlive, writeAlive bool) {
 	return session.baseInSession.IsAlive()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// IClientCommandSessionObserver interface
 // ---------------------------------------------------------------------------------------------------------------------
 
-// OnConnectResult IClientCommandSessionObserver, callback by ClientCommandSession
+// OnConnectResult callback by ClientCommandSession
 func (session *PullSession) OnConnectResult() {
 	// noop
 }
 
-// OnDescribeResponse IClientCommandSessionObserver, callback by ClientCommandSession
+// OnDescribeResponse callback by ClientCommandSession
 func (session *PullSession) OnDescribeResponse(sdpCtx sdp.LogicContext) {
 	session.onDescribeResponse()
 	session.baseInSession.InitWithSdp(sdpCtx)
 }
 
-// OnSetupWithConn IClientCommandSessionObserver, callback by ClientCommandSession
+// OnSetupWithConn callback by ClientCommandSession
 func (session *PullSession) OnSetupWithConn(uri string, rtpConn, rtcpConn *nazanet.UdpConnection) {
 	_ = session.baseInSession.SetupWithConn(uri, rtpConn, rtcpConn)
 }
 
-// OnSetupWithChannel IClientCommandSessionObserver, callback by ClientCommandSession
+// OnSetupWithChannel callback by ClientCommandSession
 func (session *PullSession) OnSetupWithChannel(uri string, rtpChannel, rtcpChannel int) {
 	_ = session.baseInSession.SetupWithChannel(uri, rtpChannel, rtcpChannel)
 }
 
-// OnSetupResult IClientCommandSessionObserver, callback by ClientCommandSession
+// OnSetupResult callback by ClientCommandSession
 func (session *PullSession) OnSetupResult() {
 	session.baseInSession.WriteRtpRtcpDummy()
 }
 
-// OnInterleavedPacket IClientCommandSessionObserver, callback by ClientCommandSession
+// OnInterleavedPacket callback by ClientCommandSession
 func (session *PullSession) OnInterleavedPacket(packet []byte, channel int) {
 	session.baseInSession.HandleInterleavedPacket(packet, channel)
 }
 
-// WriteInterleavedPacket IInterleavedPacketWriter, callback by BaseInSession
+// ---------------------------------------------------------------------------------------------------------------------
+// IInterleavedPacketWriter interface
+// ---------------------------------------------------------------------------------------------------------------------
+
+// WriteInterleavedPacket callback by BaseInSession
 func (session *PullSession) WriteInterleavedPacket(packet []byte, channel int) error {
 	return session.cmdSession.WriteInterleavedPacket(packet, channel)
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+
 func (session *PullSession) dispose(err error) error {
 	var retErr error
 	session.disposeOnce.Do(func() {
diff --git a/pkg/rtsp/client_push_session.go b/pkg/rtsp/client_push_session.go
index bcac8c6..7632269 100644
--- a/pkg/rtsp/client_push_session.go
+++ b/pkg/rtsp/client_push_session.go
@@ -128,6 +128,8 @@ func (session *PushSession) WaitChan() <-chan error {
 	return session.waitChan
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionUrlContext interface
 // ---------------------------------------------------------------------------------------------------------------------
 
 // Url 文档请参考： interface ISessionUrlContext
@@ -150,12 +152,18 @@ func (session *PushSession) RawQuery() string {
 	return session.cmdSession.RawQuery()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionUrlContext IObject
+// ---------------------------------------------------------------------------------------------------------------------
+
 // UniqueKey 文档请参考： interface IObject
 func (session *PushSession) UniqueKey() string {
 	return session.baseOutSession.UniqueKey()
 }
 
-// ----- ISessionStat --------------------------------------------------------------------------------------------------
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionStat IObject
+// ---------------------------------------------------------------------------------------------------------------------
 
 // GetStat 文档请参考： interface ISessionStat
 func (session *PushSession) GetStat() base.StatSession {
@@ -174,43 +182,51 @@ func (session *PushSession) IsAlive() (readAlive, writeAlive bool) {
 	return session.baseOutSession.IsAlive()
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionStat IClientCommandSessionObserver
 // ---------------------------------------------------------------------------------------------------------------------
 
-// OnConnectResult IClientCommandSessionObserver, callback by ClientCommandSession
+// OnConnectResult callback by ClientCommandSession
 func (session *PushSession) OnConnectResult() {
 	// noop
 }
 
-// OnDescribeResponse IClientCommandSessionObserver, callback by ClientCommandSession
+// OnDescribeResponse callback by ClientCommandSession
 func (session *PushSession) OnDescribeResponse(sdpCtx sdp.LogicContext) {
 	// noop
 }
 
-// OnSetupWithConn IClientCommandSessionObserver, callback by ClientCommandSession
+// OnSetupWithConn callback by ClientCommandSession
 func (session *PushSession) OnSetupWithConn(uri string, rtpConn, rtcpConn *nazanet.UdpConnection) {
 	_ = session.baseOutSession.SetupWithConn(uri, rtpConn, rtcpConn)
 }
 
-// OnSetupWithChannel IClientCommandSessionObserver, callback by ClientCommandSession
+// OnSetupWithChannel callback by ClientCommandSession
 func (session *PushSession) OnSetupWithChannel(uri string, rtpChannel, rtcpChannel int) {
 	_ = session.baseOutSession.SetupWithChannel(uri, rtpChannel, rtcpChannel)
 }
 
-// OnSetupResult IClientCommandSessionObserver, callback by ClientCommandSession
+// OnSetupResult callback by ClientCommandSession
 func (session *PushSession) OnSetupResult() {
 	// noop
 }
 
-// OnInterleavedPacket IClientCommandSessionObserver, callback by ClientCommandSession
+// OnInterleavedPacket callback by ClientCommandSession
 func (session *PushSession) OnInterleavedPacket(packet []byte, channel int) {
 	session.baseOutSession.HandleInterleavedPacket(packet, channel)
 }
 
-// WriteInterleavedPacket IInterleavedPacketWriter, callback by BaseOutSession
+// ---------------------------------------------------------------------------------------------------------------------
+// ISessionStat IInterleavedPacketWriter
+// ---------------------------------------------------------------------------------------------------------------------
+
+// WriteInterleavedPacket callback by BaseOutSession
 func (session *PushSession) WriteInterleavedPacket(packet []byte, channel int) error {
 	return session.cmdSession.WriteInterleavedPacket(packet, channel)
 }
 
+// ---------------------------------------------------------------------------------------------------------------------
+
 func (session *PushSession) dispose(err error) error {
 	var retErr error
 	session.disposeOnce.Do(func() {