diff --git a/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/TwinServiceImpl.java b/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/TwinServiceImpl.java
index cbca6a6..3c119dc 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/TwinServiceImpl.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/TwinServiceImpl.java
@@ -45,7 +45,7 @@ public class TwinServiceImpl implements ITwinService {
             Map<String, Object> map = new HashMap<>();
             map.put("productCode", stock.getProductId());
             map.put("productName", stock.getProductName());
-            map.put("lotNo", stock.getLotNo());
+            map.put("lotNo", stock.getTrayCode());
             map.put("quantity", stock.getQuantity() != null ? stock.getQuantity().toString() : "0");
             stockList.add(map);
         }