diff --git a/src/tasks/surugaya_trade_monitor.py b/src/tasks/surugaya_trade_monitor.py
index c7c3080..37fcf94 100644
--- a/src/tasks/surugaya_trade_monitor.py
+++ b/src/tasks/surugaya_trade_monitor.py
@@ -50,7 +50,7 @@ class SurugayaTradeMonitorTask(BasePurchaseTask):
                 raise Exception(f"交易单号 '{trade_code}' 未解析到订单详情。")
 
             new_trade_status = order_detail_model.status.trade_status or ""
-            trade_number = order_detail_model.summary.trade_number or None
+            inquiry_number = order_detail_model.summary.inquiry_number or None
 
             redis_client = get_redis_client()
 
@@ -79,9 +79,9 @@ class SurugayaTradeMonitorTask(BasePurchaseTask):
             )
 
             enqueue = True  # 是否需要再次入队
-            if trade_number is not None:
+            if inquiry_number is not None:
                 logger.warning(
-                    f"[任务 {self.task_id}] 订单物流单号已获取到 '{trade_number}'，放弃再次入队。"
+                    f"[任务 {self.task_id}] 订单物流单号已获取到 '{inquiry_number}'，放弃再次入队。"
                 )
                 enqueue = False
             elif new_trade_status == "発送済み" or new_trade_status == "取引終了":