diff --git a/README.md b/README.md
index 7f861b9..c051d15 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,10 @@
-Outils de migration vers la DINUM.
+# Office 365 to Dimail
 
 
+# ImapSync
+## cache :
+https://imapsync.lamiral.info/FAQ.d/FAQ.Use_cache.txt
+
 
 cp imapsync_daemon.py /root/migration/
 cp .env.example /root/migration/.env
diff --git a/imapsync_daemon.py b/imapsync_daemon.py
index e5a5e38..18d2aaf 100755
--- a/imapsync_daemon.py
+++ b/imapsync_daemon.py
@@ -436,6 +436,40 @@ def grist_fetch_bals() -> list[dict]:
         return []
 
 
+def grist_priority_bals() -> dict:
+    """
+    Retourne les BAL où Synchronisation = True.
+    Trié par 'Date_derniere_passe' (le plus vieux en premier).
+    Exclut les BAL dont la dernière passe a eu lieu il y a moins de MIN_INTERVAL_MINUTES.
+    """
+    try:
+        # 1. Récupération triée via l'API Grist
+        params = {"limit": 1, "filter": {"priority": [True], COL_SYNC: [True]}}
+        resp = requests.get(
+            grist_url(TABLE_BALS), headers=GRIST_HEADERS, params=params, timeout=15
+        )
+        resp.raise_for_status()
+        records = resp.json().get("records", [])
+
+        # for r in records:
+        r = records[0]
+        fields = r["fields"]
+
+        # Vérification de la condition de synchronisation globale
+        if fields.get(COL_SYNC) is not True:
+            return {}
+
+        # Si le timestamp existe, on valide l'écart de temps
+        if fields.get("Date_derniere_passe") is not None:
+            return {}
+
+        return r
+
+    except requests.RequestException as e:
+        log.error(f"Erreur lecture Grist BALS : {e}")
+        return {}
+
+
 def grist_add_historique(
     email: str,
     status: str,
@@ -754,6 +788,14 @@ def main():
                     futures[f] = email
                     log.info(f"[{email}] Job soumis au pool")
 
+            # Ajout de la BAL prioritaire
+            row = grist_priority_bals()
+            email = row.get(COL_EMAIL, "").strip()
+            if email not in _running and email != "":
+                f = pool.submit(run_sync_job, row, dry)
+                futures[f] = email
+                log.info(f"[{email}] Job soumis au pool")
+
             if not _shutdown:
                 time.sleep(POLL_INTERVAL)
 
diff --git "a/systemd/home-migration-migration\\x2ddinum-imapsync_cache.mount" "b/systemd/home-migration-migration\\x2ddinum-imapsync_cache.mount"
index 5d2478f..b3fc3bb 100644
--- "a/systemd/home-migration-migration\\x2ddinum-imapsync_cache.mount"
+++ "b/systemd/home-migration-migration\\x2ddinum-imapsync_cache.mount"
@@ -1,5 +1,5 @@
 [Unit]
-Description=Montage du système de fichiers imapsync_cache
+Description=Mount imapsync_cache fs https://imapsync.lamiral.info/FAQ.d/FAQ.Use_cache.txt
 Before=imapsync.service
 
 [Mount]
@@ -10,4 +10,4 @@ Options=loop
 DirectoryMode=0755
 
 [Install]
-WantedBy=multi-user.target
\ No newline at end of file
+WantedBy=multi-user.target
diff --git a/systemd/imapsync.service b/systemd/imapsync.service
index 0cf14f2..6a08f18 100644
--- a/systemd/imapsync.service
+++ b/systemd/imapsync.service
@@ -1,24 +1,20 @@
 [Unit]
-Description=Mon script Python avec montage requis
+Description=Imap sync Daemon
 After=network.target home-migration-migration\x2ddinum-imapsync_cache.mount
 Requires=home-migration-migration\x2ddinum-imapsync_cache.mount
 
 [Service]
 Type=simple
-# L'utilisateur et le groupe qui exécuteront le script
 User=migration
 Group=migration
 
-# Changement de répertoire (Equivalent d'un 'cd')
 WorkingDirectory=/home/migration/migration-dinum/
 
-# L'environnement (optionnel, utile pour le buffer Python)
+#disable log buffering
 Environment=PYTHONUNBUFFERED=1
 
-# Commande à lancer (Utilisez TOUJOURS les chemins absolus)
 ExecStart=/usr/bin/python3 /home/migration/migration-dinum/imapsync_daemon.py
 
-# Comportement en cas de crash
 Restart=on-failure
 RestartSec=5s