From 449b5364f5bef2cc4076e2af4b4f276a2f1c7680 Mon Sep 17 00:00:00 2001
From: "Crane.z" <1481445951@qq.com>
Date: Wed, 11 Mar 2026 18:38:56 +0800
Subject: [PATCH] fix(ticket): add serial number limit check

---
 apps/tickets/models/ticket/general.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/apps/tickets/models/ticket/general.py b/apps/tickets/models/ticket/general.py
index 09789ee3e..4ee2ef963 100644
--- a/apps/tickets/models/ticket/general.py
+++ b/apps/tickets/models/ticket/general.py
@@ -399,7 +399,15 @@ class Ticket(StatusMixin, JMSBaseModel):
         if ticket:
             last_num = ticket.serial_num[8:]
             last_num = int(last_num)
-        num = '%04d' % (last_num + 1)
+        
+        next_num = last_num + 1
+        if next_num > 9999:
+            raise JMSException(
+                detail=_("Today's ticket creation limit (9999) has been reached. Please try again tomorrow."),
+                code="ticket_daily_limit_reached"
+            )
+        
+        num = '%04d' % next_num
         return f'{date_prefix}{num}'
 
     def set_serial_num(self):