|  |  | 
 |  |  |     @Override | 
 |  |  |     public Result changeLeverRate(ChangeLeverRateDto changeLeverRateDto) { | 
 |  |  |         MemberEntity memberEntity = LoginUserUtils.getAppLoginUser(); | 
 |  |  |  | 
 |  |  |         List<ContractHoldOrderEntity> holdOrders = contractHoldOrderDao.selectHoldOrderListForWholeByMemberIdAndSymbol(memberEntity.getId(), changeLeverRateDto.getSymbol()); | 
 |  |  |         if (CollUtil.isNotEmpty(holdOrders)) { | 
 |  |  |             return Result.fail("存在持仓, 无法调整杠杆"); | 
 |  |  |         } | 
 |  |  |         MemberLevelRateEntity levelRateEntity = memberLevelRateDao.selectLeverRateByMemberIdAndSymbol(memberEntity.getId(), changeLeverRateDto.getSymbol()); | 
 |  |  |         levelRateEntity.setLevelRateUp(changeLeverRateDto.getLeverRate()); | 
 |  |  |         levelRateEntity.setLevelRateDown(changeLeverRateDto.getLeverRate()); |