fix(pay): 修复余额更新逻辑

KKSU

2025-02-10 70af23c7bb284fbbda04934e4da63e4729b1a065

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

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


}