fix(approve): 修复设备维修审批状态更新空指针异常

zss

2026-04-29 9246c5bd69d218c36ae9305c9b250f23a2c40589

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

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

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}