20210304 申请交易员，信息初始化，由前端传入

xiaoyong931011

2021-03-04 af051d7a0fa660f874e0f2aacff6c10219e62c91

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

@@ -163,4 +163,9 @@
     */
//    @TableField(exist = false)
    private BigDecimal rewardAmount;

    /**
     * 维持保证金
     */
    private BigDecimal holdBond;
}