diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
index 88fc200..e2038f5 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
@@ -962,7 +962,6 @@ public class PayService {
                     productMapper.updateStockById(product.getId(), detail.getReturnNum() * -1);
 
                     tbProductStockDetail.setProductId(product.getId().toString());
-                    tbProductStockDetail.setUnitName(product.getUnitId());
                     tbProductStockDetail.setLeftNumber(product.getStockNumber());
                     tbProductStockDetail.setStockNumber(Double.valueOf(detail.getReturnNum()));
                 } else {