fix refund amount

Helius

2022-06-16 8000d61f1b7ecb642bb2af6ceec5d5c9a6b39881

 src/main/java/cc/mrbird/febs/mall/dto/MallSystemPayDto.java

@@ -13,4 +13,6 @@
    private BigDecimal balance;

    private BigDecimal addBalance;

    private Integer type;
}