fix:购买时使用USDT，增加每个地址每天最多购买1000U

Helius

2022-08-05 e8f054526c21452ae6d271d2d7770279c44197f1

 src/main/java/cc/mrbird/febs/dapp/entity/DappWalletCoinEntity.java

@@ -25,4 +25,9 @@

    @TableField(exist = false)
    private String address;

    /**
     * 盲盒数量
     */
    private Integer boxCnt;
}