docs(gateApi): 更新代码注释和文档说明

Administrator

yesterday be6ebe0f51aacef4435ee3d81a913bf8e8b48505

 src/main/java/com/xcong/excoin/modules/contract/service/ContractHoldOrderService.java

@@ -42,4 +42,8 @@

    public Result findOrderDetailById(Long id);

    public void calHoldOrderHoldFeeAmount();

    public void calHoldFeeAmountForBondAmount();

}