fix(production): 解决生产机器记录重复添加问题

liyong

2026-04-29 dc6824a304a2d5fdb9f07335f24ab532ca2fce96

 src/main/java/com/ruoyi/purchase/service/IPurchaseLedgerService.java

@@ -43,4 +43,6 @@
    String getPurchaseNo();

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}