fix(ai): 解决会员学习数据转换中的空指针异常

Administrator

2026-01-23 d158eb66602278d6f02b767b6639463ec4b671cb

 src/main/java/cc/mrbird/febs/mall/entity/MallGoodsCoupon.java

@@ -26,5 +26,4 @@
    //减免金额
    private BigDecimal realAmount;


}