diff --git a/client.go b/client.go
index 5eda93e..b615664 100644
--- a/client.go
+++ b/client.go
@@ -145,8 +145,10 @@ func (client *RTSPClient) pullStream() {
 	}
 	client.Client = &gortsplib.Client{
 		OnPacketRTP: func(trackID int, payload []byte) {
-			var clone []byte
-			client.processFunc[trackID](append(clone, payload...))
+			if f := client.processFunc[trackID]; f != nil {
+				var clone []byte
+				f(append(clone, payload...))
+			}
 		},
 		Transport: &client.Transport,
 	}
diff --git a/go.mod b/go.mod
index f4cf147..07044dd 100644
--- a/go.mod
+++ b/go.mod
@@ -3,10 +3,9 @@ module github.com/Monibuca/plugin-rtsp/v3
 go 1.16
 
 require (
-	github.com/Monibuca/engine/v3 v3.3.11
+	github.com/Monibuca/engine/v3 v3.4.1
 	github.com/Monibuca/utils/v3 v3.0.5
 	github.com/aler9/gortsplib v0.0.0-20211212220644-6f374e396529
 	github.com/pion/rtp v1.7.4
 	github.com/pion/sdp/v3 v3.0.4
-	golang.org/x/sync v0.0.0-20201207232520-09787c993a3a
 )
diff --git a/go.sum b/go.sum
index 31aa213..f23a8be 100644
--- a/go.sum
+++ b/go.sum
@@ -1,14 +1,10 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/toml v0.4.1 h1:GaI7EiDXDRfa8VshkTj7Fym7ha+y8/XxIgD2okUIjLw=
 github.com/BurntSushi/toml v0.4.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
-github.com/Monibuca/engine/v3 v3.3.11 h1:4zuuW34UgBxNT66wg+SbYm0C/kp2wghnoqWjM06eIIs=
-github.com/Monibuca/engine/v3 v3.3.11/go.mod h1:LowMZ/iw4t6tfTZkSYZHIA0Z1HE8b7xfTDLO4WhX3Hg=
-github.com/Monibuca/utils/v3 v3.0.4 h1:PssGhww+qePzw4qpB3g2DCG5Buru0Cu64UiqtAPuHjc=
-github.com/Monibuca/utils/v3 v3.0.4/go.mod h1:RpNS95gapWs6gimwh8Xn2x72FN5tO7Powabj7dTFyvE=
+github.com/Monibuca/engine/v3 v3.4.1 h1:Ap2VbwTkMUkv80NPeUX2sNdV5Vz5nPVoU/6RU51PSAc=
+github.com/Monibuca/engine/v3 v3.4.1/go.mod h1:rgAUey5ziRhlh6WugWyA5fYKyGOvcwhtTMDk4sukE7E=
 github.com/Monibuca/utils/v3 v3.0.5 h1:w14x0HkWTbF4MmHbINLlOwe4VJNoSOeaQChMk5E/4es=
 github.com/Monibuca/utils/v3 v3.0.5/go.mod h1:RpNS95gapWs6gimwh8Xn2x72FN5tO7Powabj7dTFyvE=
-github.com/aler9/gortsplib v0.0.0-20211118111704-d5bdc197beb5 h1:qcrLOrHxW0x9fIguacwD/2CIlswI6kVCUThtx/uuhSs=
-github.com/aler9/gortsplib v0.0.0-20211118111704-d5bdc197beb5/go.mod h1:fyQrQyHo8QvdR/h357tkv1g36VesZlzEPsdAu2VrHHc=
 github.com/aler9/gortsplib v0.0.0-20211212220644-6f374e396529 h1:j2tfs+eUubyZnuwmYWzK+IS681IixfUyD8bivz4sqAw=
 github.com/aler9/gortsplib v0.0.0-20211212220644-6f374e396529/go.mod h1:fyQrQyHo8QvdR/h357tkv1g36VesZlzEPsdAu2VrHHc=
 github.com/asticode/go-astikit v0.20.0/go.mod h1:h4ly7idim1tNhaVkdVBeXQZEE3L0xblP7fCWbgwipF0=
@@ -86,13 +82,10 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepxRw6jWvR5iDRdvjHgy8=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da h1:b3NXsE2LusjYGGjL5bxEVZZORm/YEFFrWFjR8eFrw/c=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20211117180635-dee7805ff2e1 h1:kwrAHlwJ0DUBZwQ238v+Uod/3eZ8B2K5rYsUHBQvzmI=
-golang.org/x/sys v0.0.0-20211117180635-dee7805ff2e1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
diff --git a/main.go b/main.go
index 7080d0a..ee34a66 100644
--- a/main.go
+++ b/main.go
@@ -22,28 +22,22 @@ var config = struct {
 	AutoPushList map[string]string
 }{":554", ":8000", ":8001", 0, false, nil, nil}
 
-type RTSPStreamInfo struct {
-	StreamPath      string
-	Type            string //流类型，来自发布者
-	StartTime       time.Time
-	URL             string
-	SubscriberCount int
+var pconfig = PluginConfig{
+	Name:   "RTSP",
+	Config: &config,
 }
 
 func init() {
-	InstallPlugin(&PluginConfig{
-		Name:   "RTSP",
-		Config: &config,
-		Run:    runPlugin,
-	})
+	pconfig.Install(runPlugin)
 }
-func getRtspList() (info []*RTSPStreamInfo) {
+
+func getRtspList() (info []*Stream) {
 	for _, s := range Streams.ToList() {
-		switch rtsp := s.ExtraProp.(type) {
+		switch s.ExtraProp.(type) {
 		case *RTSPublisher:
-			info = append(info, rtsp.GetInfo())
+			info = append(info, s)
 		case *RTSPClient:
-			info = append(info, rtsp.GetInfo())
+			info = append(info, s)
 		}
 	}
 	return
@@ -69,7 +63,17 @@ func runPlugin() {
 		CORS(w, r)
 		targetURL := r.URL.Query().Get("target")
 		streamPath := r.URL.Query().Get("streamPath")
+		save := r.URL.Query().Get("save")
 		if err := (&RTSPClient{Transport: gortsplib.TransportTCP}).PullStream(streamPath, targetURL); err == nil {
+			if save == "1" {
+				if config.AutoPullList == nil {
+					config.AutoPullList = make(map[string]string)
+				}
+				config.AutoPullList[streamPath] = targetURL
+				if err := pconfig.Save(); err != nil {
+					Println(err)
+				}
+			}
 			w.Write([]byte(`{"code":0}`))
 		} else {
 			w.Write([]byte(fmt.Sprintf(`{"code":1,"msg":"%s"}`, err.Error())))
@@ -80,6 +84,7 @@ func runPlugin() {
 			Println(err)
 		}
 	}
+	
 	go AddHook(HOOK_PUBLISH, func(s *Stream) {
 		for streamPath, url := range config.AutoPushList {
 			if s.StreamPath == streamPath {
diff --git a/publisher.go b/publisher.go
index 3b520bc..c2fef6d 100644
--- a/publisher.go
+++ b/publisher.go
@@ -13,21 +13,10 @@ import (
 
 type RTSPublisher struct {
 	*Stream     `json:"-"`
-	URL         string
 	stream      *gortsplib.ServerStream
 	processFunc []func([]byte)
 }
 
-func (p *RTSPublisher) GetInfo() (info *RTSPStreamInfo) {
-	info = &RTSPStreamInfo{
-		URL:             p.URL,
-		StreamPath:      p.StreamPath,
-		Type:            p.Type,
-		StartTime:       p.StartTime,
-		SubscriberCount: len(p.Subscribers),
-	}
-	return
-}
 func (p *RTSPublisher) setTracks(tracks gortsplib.Tracks) {
 	if p.processFunc != nil {
 		p.processFunc = p.processFunc[:len(tracks)]
diff --git a/server.go b/server.go
index 6fe7140..d8b31c2 100644
--- a/server.go
+++ b/server.go
@@ -249,6 +249,8 @@ func (sh *RTSPServer) OnPacketRTP(ctx *gortsplib.ServerHandlerOnPacketRTPCtx) {
 			ctx.Session.Close()
 			return
 		}
-		rtsp.processFunc[ctx.TrackID](ctx.Payload)
+		if f := rtsp.processFunc[ctx.TrackID]; f != nil {
+			f(ctx.Payload)
+		}
 	}
 }