Merge branch 'master' into helpCenter

Helius

2020-09-11 bd01376f2a9add2d194e8dc6487ce9c10caa022b

 src/main/java/com/xcong/excoin/modules/contract/entity/ContractHoldOrderEntity.java

@@ -146,4 +146,9 @@
     * 批次号 队列平仓时使用，避免重复
     */
    public String batchNo;

    /**
     * 持仓费
     */
    private BigDecimal holdAmount;
}