WkMessage/application/admin/lang/zh-cn/send/coupon/log.php

<?php

return [
    'Message_id' => '消息ID',
    'User_id'    => '用户ID',
    'Coupon'     => '优惠券ID',
    'Url'        => '网站',
    'Code'       => '优惠券码',
    'Addtime'    => '时间'
];