$objDate = $this->objectManager->create('Magento\Framework\Stdlib\DateTime\DateTime');
        $now = $objDate->timestamp();
        $start = date('Y-m-d' . ' 00:00:00', $now);
        $end = date('Y-m-d' . ' 23:59:59', $now);
        $list = $this->flushSales->getResourceCollection()
            ->addFieldToSelect('flash_id')
            ->addFieldToSelect('title')
            ->addFieldToSelect('start_at')
            ->addFieldToSelect('ends_at')
            ->addFilter('is_active', 1, '=')
            ->addFieldToFilter('start_at', ['lteq' => $start])
            ->addFieldToFilter('ends_at', ['gteq' => $end])
            ->getData();
        return $this->success('请求成功！', ['list' => $list, 'time' => date('Y-m-d H:i:s')]);