fix: 下载检查报告，时间格式化

buhuazhen

2026-06-02 f19813677afaf7b9218a6ed2dee7381a395c3ad5

 src/main/java/com/ruoyi/purchase/service/impl/PurchaseReturnOrdersServiceImpl.java

@@ -38,9 +38,11 @@
    @Transactional(rollbackFor = Exception.class)
    public Boolean add(PurchaseReturnOrderDto purchaseReturnOrderDto) {
        this.save(purchaseReturnOrderDto);
        if (purchaseReturnOrderDto.getPurchaseReturnOrderProductsDtos().isEmpty()) {
        if (!purchaseReturnOrderDto.getPurchaseReturnOrderProductsDtos().isEmpty()) {
            for (PurchaseReturnOrderProductsDto purchaseReturnOrderProductsDto :purchaseReturnOrderDto.getPurchaseReturnOrderProductsDtos()) {
                purchaseReturnOrderProductsDto.setSalesLedgerProductId(purchaseReturnOrderProductsDto.getSalesLedgerProductId());
                purchaseReturnOrderProductsDto.setPurchaseReturnOrderId(purchaseReturnOrderDto.getId());
                purchaseReturnOrderProductsDto.setReturnQuantity(purchaseReturnOrderProductsDto.getReturnQuantity());
                purchaseReturnOrderProductsMapper.insert(purchaseReturnOrderProductsDto);
            }
        }