perf: 优化工单审批时间不准确问题

apps/tickets/models/ticket/general.py

@@ -57,7 +57,7 @@ def change_state(self, state, processor):
             assignees.update(state=state)
         self.status = StepStatus.closed
         self.state = state
-        self.save(update_fields=['state', 'status'])
+        self.save(update_fields=['state', 'status', 'date_updated'])
 
     def set_active(self):
         self.status = StepStatus.active