diff --git a/router/handler/onvif/subscription.go b/router/handler/onvif/subscription.go
index c5ab017..d4585d5 100644
--- a/router/handler/onvif/subscription.go
+++ b/router/handler/onvif/subscription.go
@@ -17,13 +17,13 @@ func CreateSubscription(c *gin.Context) {
 	callbackURL := event.AttributedURIType(fmt.Sprintf("%s/onvif/subscriptions/%s/callback", config.Config.App.URL, xaddr))
 	log.Printf("CreateSubscription callback URL: %s", callbackURL)
 
-	conn := onvif.Sessions[xaddr]
-	if conn == nil {
+	session := onvif.Sessions[xaddr]
+	if session == nil {
 		response.NewResponse().Fail("Connection not found").WithCode(http.StatusNotFound).Send(c)
 		return
 	}
 
-	result, err := conn.EventSubscribe(callbackURL, "PT60S")
+	result, err := session.EventSubscribe(callbackURL, "PT60S")
 	if err != nil {
 		response.NewResponse().Error(err).Send(c)
 		return
@@ -45,9 +45,5 @@ func NotifyCallback(c *gin.Context) {
 
 	onvif.Notifications[xaddr] = append(onvif.Notifications[xaddr], notify.NotificationMessage...)
 
-	//for _, msg := range envelope.Body.Content.(*event.Notify).NotificationMessage {
-	//	log.Printf("Topic: %s, Message: %s", msg.Topic.TopicKinds, msg.Message.Message)
-	//}
-
 	response.NewResponse().Success().Send(c)
 }