fix(customer): 修复导入失败的问题

buhuazhen

2026-03-17 607f00dc782a01dc76fd812fe976db62b1a491cd

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

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

    AjaxResult importData(MultipartFile file);

    PurchaseLedgerDto getPurchaseByCode(PurchaseLedgerDto purchaseLedgerDto);
}