暂停，需要解决一些问题

lib/webrtcconnection/connection.go

@@ -61,7 +61,7 @@ func New(o *Options) (*Connection, error) {
 }
 
 func (c *Connection) Regist(offer *webrtc.SessionDescription) (*webrtc.SessionDescription, error) {
-	logrus.Debug("received offer ", offer)
+	logrus.Debug("received offer ")
 
 	rtc, err := c.api.NewPeerConnection(webrtc.Configuration{
 		ICEServers: []webrtc.ICEServer{
@@ -78,6 +78,10 @@ func (c *Connection) Regist(offer *webrtc.SessionDescription) (*webrtc.SessionDe
 		logrus.Debug("connection state has changed: ", connectionState.String())
 	})
 
+	rtc.OnICECandidate(func(i *webrtc.ICECandidate) {
+		logrus.Debug("cadidate: ", i)
+	})
+
 	for _, track := range c.stream.GetTracks() {
 		track.OnEnded(func(err error) {
 			logrus.Errorf("Track (ID: %s, kind: %s) ended with error: %v", track.ID(), track.Kind().String(), err)