fix(okxNewPrice): 优化 WebSocket 客户端销毁逻辑

Administrator

2025-12-15 9a8d276f6ea40d2016a420a37c617fc5cdadf526

 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;
}