refactor(pay): 重构 FiuuReturnController 中的 skey 计算逻辑

KKSU

2025-02-08 b116b2b304a6aff67a41e9fdcb89967afef194f8

 src/main/java/cc/mrbird/febs/mall/service/MallInvoiceService.java

@@ -28,4 +28,6 @@
    FebsResponse addInvoiceUrl(MallInvoice mallInvoice);

    FebsResponse updateInvoiceDetail(Long id);

    FebsResponse updateOrderDetail(Long id);
}