fix: 处理空值计算，确保待来票金额与未来票金额一致

gongchunyi

2026-01-16 79a570ae5f497e30337e7dd002450072e1b21cc2

 src/main/java/com/ruoyi/sales/service/InvoiceLedgerService.java

@@ -104,4 +104,11 @@
     * @return
     */
    InvoiceRegistrationProductDto invoiceLedgerProductDetail(Integer id);

    /**
     * 开票台账删除
     * @param invoiceRegistrationProductId
     * @return
     */
    void delInvoiceLedger(Integer invoiceRegistrationProductId);
}