diff --git a/controllers/main.py b/controllers/main.py
index 1557f00..751f65f 100644
--- a/controllers/main.py
+++ b/controllers/main.py
@@ -54,7 +54,7 @@ class AppNotificationController(http.Controller):
         for notif in notifications:
             img = notif.get('image_128')
             if img and isinstance(img, bytes):
-                notif['image_128'] = b64mod.b64encode(img).decode('utf-8')
+                notif['image_128'] = img.decode('utf-8')
             elif not img:
                 notif['image_128'] = None
             notif['has_image'] = bool(notif['image_128'])
diff --git a/models/app_notification.py b/models/app_notification.py
index 978b625..f76a411 100644
--- a/models/app_notification.py
+++ b/models/app_notification.py
@@ -11,8 +11,8 @@ class AppNotification(models.Model):
     # Optional promotional image — Odoo auto-generates image_128 thumbnail
     image = fields.Image(
         string='Notification Image',
-        max_width=1920,
-        max_height=1920,
+        max_width=1024,
+        max_height=1024,
         help='Optional image shown in the notification detail screen.'
     )
     image_128 = fields.Image(
diff --git a/security/ir.model.access.csv b/security/ir.model.access.csv
index 50a4360..2cb7df4 100644
--- a/security/ir.model.access.csv
+++ b/security/ir.model.access.csv
@@ -2,6 +2,7 @@ id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
 access_mapan_push_wizard_manager,mapan_push_wizard_manager,model_mapan_push_wizard,mapan_loyalty_push.group_mapan_loyalty_push_manager,1,1,1,1
 access_mapan_app_notification_user,mapan_app_notification_user,model_mapan_app_notification,mapan_loyalty_push.group_mapan_loyalty_push_user,1,0,0,0
 access_mapan_app_notification_manager,mapan_app_notification_manager,model_mapan_app_notification,mapan_loyalty_push.group_mapan_loyalty_push_manager,1,1,1,1
+access_mapan_app_notification_portal,mapan_app_notification_portal,model_mapan_app_notification,base.group_portal,1,0,0,0
 access_loyalty_card_portal,loyalty.card.portal,loyalty.model_loyalty_card,base.group_portal,1,0,0,0
 access_loyalty_program_portal,loyalty.program.portal,loyalty.model_loyalty_program,base.group_portal,1,0,0,0
 access_loyalty_history_portal,loyalty.history.portal,loyalty.model_loyalty_history,base.group_portal,1,0,0,0
diff --git a/wizard/push_wizard.py b/wizard/push_wizard.py
index c9199f8..82926ed 100644
--- a/wizard/push_wizard.py
+++ b/wizard/push_wizard.py
@@ -53,5 +53,6 @@ class PushNotificationWizard(models.TransientModel):
                 'message': f'Notification staged for {target_msg}.',
                 'type': 'success',
                 'sticky': False,
+                'next': {'type': 'ir.actions.act_window_close'},
             }
         }