refactor(gateApi): 优化网格交易服务的挂单逻辑

Administrator

2026-06-09 95306eab8d19a38390737cc779b706abbd52a37e

 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;
}