diff --git a/batcher.go b/batcher.go
index 8f008aa..880c00a 100644
--- a/batcher.go
+++ b/batcher.go
@@ -80,7 +80,7 @@ func (suber *WebRTCBatcher) Start() (err error) {
 					}
 				} else {
 					go func() {
-						ticker := time.NewTicker(time.Millisecond * webrtcConfig.PLI)
+						ticker := time.NewTicker(webrtcConfig.PLI)
 						for {
 							select {
 							case <-ticker.C:
@@ -92,7 +92,7 @@ func (suber *WebRTCBatcher) Start() (err error) {
 							}
 						}
 					}()
-					puber.VideoTrack = NewH264(puber.Stream)
+					puber.VideoTrack = NewH264(puber.Stream, byte(codec.PayloadType))
 					for {
 						b := make([]byte, 1460)
 						if i, _, err := track.Read(b); err == nil {
diff --git a/main.go b/main.go
index e627d98..e8aeb9e 100644
--- a/main.go
+++ b/main.go
@@ -55,10 +55,10 @@ type WebRTCConfig struct {
 	PortMin    uint16
 	PortMax    uint16
 
-	InvitePortFixed bool
-	IceUdpMux       int
+	InvitePortFixed bool `default:"true"` // 设备将流发送的端口，是否固定  on 发送流到多路复用端口 如9000  off 自动从 mix_port - max_port 之间的值中  选一个可以用的端口
+	IceUdpMux       int  `default:"9000"` // 接收设备端rtp流的多路复用端口
 
-	PLI time.Duration
+	PLI time.Duration `default:"2s"` // 视频流丢包后，发送PLI请求
 	m   MediaEngine
 	s   SettingEngine
 	api *API
@@ -168,13 +168,9 @@ func (conf *WebRTCConfig) Push_(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-var webrtcConfig = &WebRTCConfig{
-	InvitePortFixed: true, // 设备将流发送的端口，是否固定  on 发送流到多路复用端口 如9000  off 自动从 mix_port - max_port 之间的值中  选一个可以用的端口
-	IceUdpMux:       9000, // 接收设备端rtp流的多路复用端口
-	PLI:             time.Second * 2,
-}
+var webrtcConfig WebRTCConfig
 
-var WebRTCPlugin = engine.InstallPlugin(webrtcConfig)
+var WebRTCPlugin = engine.InstallPlugin(&webrtcConfig)
 
 func (conf *WebRTCConfig) Batch(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Content-Type", "application/sdp")
diff --git a/publisher.go b/publisher.go
index d8ea90b..1588c41 100644
--- a/publisher.go
+++ b/publisher.go
@@ -48,7 +48,7 @@ func (puber *WebRTCPublisher) OnEvent(event any) {
 				}
 			} else {
 				go func() {
-					ticker := time.NewTicker(time.Millisecond * webrtcConfig.PLI)
+					ticker := time.NewTicker(webrtcConfig.PLI)
 					for {
 						select {
 						case <-ticker.C:
@@ -61,7 +61,7 @@ func (puber *WebRTCPublisher) OnEvent(event any) {
 					}
 				}()
 				if puber.Equal(v) {
-					puber.VideoTrack = NewH264(puber.Stream)
+					puber.VideoTrack = NewH264(puber.Stream, byte(codec.PayloadType))
 				}
 				for {
 					b := make([]byte, 1460)