diff --git a/.gitignore b/.gitignore
index 50ed1896..3d9d4fb9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@ easydarwin_debug.ini
 Unnamed
 dev.ini
 debug
+debug.ini
diff --git a/easydarwin.ini b/easydarwin.ini
index ccd6800f..0b41fbfe 100644
--- a/easydarwin.ini
+++ b/easydarwin.ini
@@ -12,6 +12,9 @@ timeout=28800
 ; 是否使能gop cache。如果使能，服务器会缓存最后一个I帧以及其后的非I帧，以提高播放速度。但是可能在高并发的情况下带来内存压力。
 gop_cache_enable=1
 
+; 新的session连接时，如果已有同一个PATH的session在推流，则关闭之前的。
+close_old=1
+
 ; 是否使能向服务器推流或者从服务器播放时验证用户名密码. [注意] 因为服务器端并不保存明文密码，所以推送或者播放时，客户端应该输入密码的md5后的值。
 ; password should be the hex of md5(original password)
 authorization_enable=0
diff --git a/main.go b/main.go
index 0f861195..55ddfa81 100644
--- a/main.go
+++ b/main.go
@@ -155,7 +155,7 @@ func (p *program) Start(s service.Service) (err error) {
 					log.Printf("Pull stream err :%v", err)
 					continue
 				}
-				rtsp.GetServer().AddPusher(pusher)
+				rtsp.GetServer().AddPusher(pusher, false)
 				//streams = streams[0:i]
 				//streams = append(streams[:i], streams[i+1:]...)
 			}
diff --git a/routers/streams.go b/routers/streams.go
index b1ce7046..143c8e4e 100644
--- a/routers/streams.go
+++ b/routers/streams.go
@@ -77,7 +77,7 @@ func (h *APIHandler) StreamStart(c *gin.Context) {
 		return
 	}
 	log.Printf("Pull to push %v success ", form)
-	rtsp.GetServer().AddPusher(pusher)
+	rtsp.GetServer().AddPusher(pusher, false)
 	// save to db.
 	var stream = models.Stream{
 		URL:               form.URL,
diff --git a/rtsp/pusher.go b/rtsp/pusher.go
index 5c87d964..2763c24f 100644
--- a/rtsp/pusher.go
+++ b/rtsp/pusher.go
@@ -232,7 +232,7 @@ func (pusher *Pusher) Start() {
 
 		if pusher.gopCacheEnable && pack.Type == RTP_TYPE_VIDEO {
 			pusher.gopCacheLock.Lock()
-			if rtp := ParseRTP(pack.Buffer.Bytes()); rtp != nil && pusher.shouldSequeceStart(rtp) {
+			if rtp := ParseRTP(pack.Buffer.Bytes()); rtp != nil && pusher.shouldSequenceStart(rtp) {
 				pusher.gopCache = make([]*RTPPack, 0)
 			}
 			pusher.gopCache = append(pusher.gopCache, pack)
@@ -318,7 +318,7 @@ func (pusher *Pusher) ClearPlayer() {
 	}
 }
 
-func (pusher *Pusher) shouldSequeceStart(rtp *RTPInfo) bool {
+func (pusher *Pusher) shouldSequenceStart(rtp *RTPInfo) bool {
 	if strings.EqualFold(pusher.VCodec(), "h264") {
 		var realNALU uint8
 		payloadHeader := rtp.Payload[0] //https://tools.ietf.org/html/rfc6184#section-5.2
diff --git a/rtsp/rtsp-server.go b/rtsp/rtsp-server.go
index ff185ce1..4ee6211a 100644
--- a/rtsp/rtsp-server.go
+++ b/rtsp/rtsp-server.go
@@ -187,20 +187,33 @@ func (server *Server) Stop() {
 	close(server.removePusherCh)
 }
 
-func (server *Server) AddPusher(pusher *Pusher) {
+func (server *Server) AddPusher(pusher *Pusher, closeOld bool) bool {
 	logger := server.logger
 	added := false
 	server.pushersLock.Lock()
-	if _, ok := server.pushers[pusher.Path()]; !ok {
+	old, ok := server.pushers[pusher.Path()]
+	if !ok {
 		server.pushers[pusher.Path()] = pusher
-		go pusher.Start()
 		logger.Printf("%v start, now pusher size[%d]", pusher, len(server.pushers))
 		added = true
+	} else {
+		if closeOld {
+			server.pushers[pusher.Path()] = pusher
+			logger.Printf("%v start, replace old pusher", pusher)
+			added = true
+		}
 	}
 	server.pushersLock.Unlock()
+	if ok && closeOld {
+		logger.Printf("old pusher %v stoped", pusher)
+		old.Stop()
+		server.removePusherCh <- old
+	}
 	if added {
+		go pusher.Start()
 		server.addPusherCh <- pusher
 	}
+	return added
 }
 
 func (server *Server) RemovePusher(pusher *Pusher) {
diff --git a/rtsp/rtsp-session.go b/rtsp/rtsp-session.go
index 746f8ae0..01105189 100644
--- a/rtsp/rtsp-session.go
+++ b/rtsp/rtsp-session.go
@@ -104,6 +104,7 @@ type Session struct {
 
 	authorizationEnable bool
 	nonce               string
+	closeOld            bool
 
 	AControl string
 	VControl string
@@ -140,6 +141,7 @@ func NewSession(server *Server, conn net.Conn) *Session {
 	timeoutMillis := utils.Conf().Section("rtsp").Key("timeout").MustInt(0)
 	timeoutTCPConn := &RichConn{conn, time.Duration(timeoutMillis) * time.Millisecond}
 	authorizationEnable := utils.Conf().Section("rtsp").Key("authorization_enable").MustInt(0)
+	close_old := utils.Conf().Section("rtsp").Key("close_old").MustInt(0)
 	session := &Session{
 		ID:                  shortid.MustGenerate(),
 		Server:              server,
@@ -154,6 +156,7 @@ func NewSession(server *Server, conn net.Conn) *Session {
 		vRTPControlChannel:  -1,
 		aRTPChannel:         -1,
 		aRTPControlChannel:  -1,
+		closeOld:            close_old != 0,
 	}
 
 	session.logger = log.New(os.Stdout, fmt.Sprintf("[%s]", session.ID), log.LstdFlags|log.Lshortfile)
@@ -365,13 +368,13 @@ func (session *Session) handleRequest(req *Request) {
 		session.connWLock.Unlock()
 		session.OutBytes += len(outBytes)
 		switch req.Method {
-		case "PLAY", "RECORD":
-			switch session.Type {
-			case SESSEION_TYPE_PLAYER:
-				session.Pusher.AddPlayer(session.Player)
-			case SESSION_TYPE_PUSHER:
-				session.Server.AddPusher(session.Pusher)
-			}
+		// case "PLAY", "RECORD":
+		// 	switch session.Type {
+		// 	case SESSEION_TYPE_PLAYER:
+		// 		session.Pusher.AddPlayer(session.Player)
+		// 	case SESSION_TYPE_PUSHER:
+		// 		session.Server.AddPusher(session.Pusher)
+		// 	}
 		case "TEARDOWN":
 			{
 				session.Stop()
@@ -435,12 +438,12 @@ func (session *Session) handleRequest(req *Request) {
 			logger.Printf("video codec[%s]\n", session.VCodec)
 		}
 		session.Pusher = NewPusher(session)
-		if session.Server.GetPusher(session.Path) == nil {
-			session.Server.AddPusher(session.Pusher)
-		} else {
+
+		addedToServer := session.Server.AddPusher(session.Pusher, session.closeOld)
+		if !addedToServer {
+			logger.Printf("reject pusher.")
 			res.StatusCode = 406
 			res.Status = "Not Acceptable"
-			return
 		}
 	case "DESCRIBE":
 		session.Type = SESSEION_TYPE_PLAYER