fix(mall): 修正活动余量计算逻辑

Administrator

2025-04-28 f9b4527fa9874be8d72b23b8d2aada617b0bdc71

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

@@ -55,4 +55,7 @@

    @TableField(exist = false)
    private String unit;

    @TableField(exist = false)
    private BigDecimal itemAmount;
}