diff --git a/apps/mtm/services.py b/apps/mtm/services.py
index 90dc4726..74d812a6 100644
--- a/apps/mtm/services.py
+++ b/apps/mtm/services.py
@@ -126,4 +126,10 @@ def bind_routepack(ticket: Ticket, transition, new_ticket_data: dict):
 def routepack_audit_end(ticket: Ticket):
     routepack = RoutePack.objects.get(id=ticket.ticket_data['t_id'])
     routepack.state = RoutePack.RP_S_CONFIRM
-    routepack.save()
\ No newline at end of file
+    routepack.save()
+
+def routepack_ticket_change(ticket: Ticket):
+    routepack = RoutePack.objects.get(id=ticket.ticket_data['t_id'])
+    if ticket.act_state == Ticket.TICKET_ACT_STATE_DRAFT:
+        routepack.state = RoutePack.RP_S_CREATE
+        routepack.save()
\ No newline at end of file