mattermost-push-proxy not send push

I made small changes. so far it helped me

git.patch

diff --git a/server/android_notification_server.go b/server/android_notification_server.go
index 9df076f..c0c96fc 100644
--- a/server/android_notification_server.go
+++ b/server/android_notification_server.go
@@ -4,6 +4,7 @@
 package server
 
 import (
+	"strings"
 	"time"
 
 	fcm "github.com/appleboy/go-fcm"
@@ -16,6 +17,13 @@ type AndroidNotificationServer struct {
 	AndroidPushSettings AndroidPushSettings
 }
 
+func truncateText(s string, max int) string {
+	if max > len(s) {
+		return s
+	}
+	return s[:strings.LastIndex(s[:max], " ")]
+}
+
 func NewAndroidNotificationServer(settings AndroidPushSettings, logger *Logger, metrics *metrics) NotificationServer {
 	return &AndroidNotificationServer{
 		AndroidPushSettings: settings,
@@ -80,6 +88,10 @@ func (me *AndroidNotificationServer) SendNotification(msg *PushNotification) Pus
 		To:       msg.DeviceID,
 		Data:     data,
 		Priority: "high",
+		Notification: &fcm.Notification{
+			Title: truncateText(msg.ChannelName, 75),
+			Body:  truncateText(emoji.Sprint(msg.Message), 175),
+		},
 	}
 
 	if me.AndroidPushSettings.AndroidAPIKey != "" {
@@ -95,6 +107,7 @@ func (me *AndroidNotificationServer) SendNotification(msg *PushNotification) Pus
 
 		start := time.Now()
 		resp, err := sender.SendWithRetry(fcmMsg, 2)
+
 		if me.metrics != nil {
 			me.metrics.observerNotificationResponse(PushNotifyAndroid, time.Since(start).Seconds())
 		}