feat(mall): 添加活动报名人数减少逻辑

Administrator

2025-04-27 ed5a6de6023e73e7f5b5af86a94aa4f1e43a3fc4

 src/main/java/cc/mrbird/febs/mall/mapper/MallExpressInfoMapper.java

@@ -7,4 +7,5 @@
public interface MallExpressInfoMapper extends BaseMapper<MallExpressInfo> {

    MallExpressInfo selectByOrderId(@Param("orderId") Long orderId);

}