fix 若赠送积分不足，则减去所有赠送积分

Helius

2022-06-17 f61c65658100a64f64cb14c64f27934702d1812e

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

@@ -112,6 +112,8 @@
    private BigDecimal score;
    @TableField(exist = false)
    private BigDecimal prizeScore;
    @TableField(exist = false)
    private BigDecimal commission;

    @TableField(exist = false)
    private BigDecimal amount;