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  //这样判断避免空指针
        if(Objects.nonNull(createTimes)) {
            hkRegionTreeLambdaQueryWrapper
                    .between( Objects.nonNull(createTimes) && ObjectUtils.isEmpty(createTimes) ,HkRegionTree::getCreateTime,
                            createTimes[0],createTimes[1]);
        }

//这样写会报空指针错误
 .between( Objects.nonNull(createTimes) && ObjectUtils.isEmpty(createTimes) ,HkRegionTree::getCreateTime,
 
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