fix account balance not updating in real time

src/ez_lan_manager/components/UserInfoBox.py

@@ -61,6 +61,12 @@ class UserInfoBox(Component):
             self.user_balance = await self.session[AccountingService].get_balance(self.user.user_id)
             self.user_ticket = await self.session[TicketingService].get_user_ticket(self.user.user_id)
             self.user_seat = await self.session[SeatingService].get_user_seat(self.user.user_id)
+            self.session[AccountingService].add_update_hook(self.update)
+
+    async def update(self) -> None:
+        self.user_balance = await self.session[AccountingService].get_balance(self.user.user_id)
+        self.user_ticket = await self.session[TicketingService].get_user_ticket(self.user.user_id)
+        self.user_seat = await self.session[SeatingService].get_user_seat(self.user.user_id)
 
     def build(self) -> Component:
         if not self.user: