diff --git a/yuthon_ai_agent/models/ai_token_usage.py b/yuthon_ai_agent/models/ai_token_usage.py
index 173968fdb..45f36b434 100644
--- a/yuthon_ai_agent/models/ai_token_usage.py
+++ b/yuthon_ai_agent/models/ai_token_usage.py
@@ -43,6 +43,10 @@ class AiTokenUsageSummary(models.Model):
     total_tokens = fields.Integer(string='总 Token', readonly=True)
 
     def init(self):
+        from odoo.tools import table_exists
+        # 依赖表 ai_token_usage 可能尚未创建，跳过
+        if not table_exists(self.env.cr, 'ai_token_usage'):
+            return
         self.env.cr.execute("""
             DROP VIEW IF EXISTS ai_token_usage_summary;
             CREATE OR REPLACE VIEW ai_token_usage_summary AS (
diff --git a/yuthon_catering/wizard/catering_conf_change_wizard.py b/yuthon_catering/wizard/catering_conf_change_wizard.py
index 525adb1af..be72e311b 100644
--- a/yuthon_catering/wizard/catering_conf_change_wizard.py
+++ b/yuthon_catering/wizard/catering_conf_change_wizard.py
@@ -39,6 +39,11 @@ class CateringConfChangeWizard(models.TransientModel):
 
     def action_confirm(self):
         """确认：旧记录加失效日期，生成新记录"""
+        # 检查员工列表是否有变化，无变化则不允许生成新记录
+        if set(self.conf_id.employee_ids.ids) == set(self.employee_ids.ids):
+            from odoo.exceptions import ValidationError
+            raise ValidationError('员工列表未发生变化，无需生成新记录。\n'
+                                  '如需放弃操作，请点击下方"取消"按钮。')
         today = fields.Date.today()
         note = self._compute_change_note()
         from odoo.models import Model