fix(approve): 修复审批流程中空节点ID列表导致的异常

liyong

2026-05-22 b9e71660ca35e947ccac8079d3033b88ece5190e

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

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

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}