fix(service): 修复空列表处理避免空指针异常

buhuazhen

2026-04-22 252766e40f844145579317509cf5136a8e6d2de4

 src/main/java/com/ruoyi/aftersalesservice/dto/AfterSalesServiceNewDto.java

@@ -16,4 +16,6 @@
    private List<Long> productModelIdList;

    private SalesLedgerDto salesLedgerDto;

    private String salesContractNo;
}