Update dialogue_manager: fix persist_state

dialogue_manager.py

@@ -125,7 +125,7 @@ class DialogueManager:
     def persist_state(self):
         """持久化对话状态，只有当前状态处理成功后才应该做持久化"""
         config = configs.get()
-        if not config.get('debug_flags', {}).get('disable_state_persistence', False):
+        if config.get('debug_flags', {}).get('disable_state_persistence', False):
             return
         self.state_cache.set_state(self.staff_id, self.user_id, self.current_state, self.previous_state)