yueke/application/admin/lang/en/lessonorder.php

<?php

return [
    'Id'               => 'id',
    'Order_no'         => 'Order no',
    'User_id'          => 'User id',
    'Slot_id'          => 'Slot id',
    'Lesson_id'        => 'Lesson id',
    'Order_amount'     => 'Order amount',
    'Order_status'     => 'Order status',
    'Order_status 0'   => 'unpaid',
    'Order_status 10'  => 'have paid',
    'Order_status 20'  => 'signed',
    'Order_status 30'  => 'canceled',
    'Order_status 40'  => 'returned',
    'Paytype'          => 'Pay type',
    'Paytype 1'        => 'package',
    'Paytype 2'        => 'Online payment',
    'Paytype 3'        => 'Purchase package',
    'Paytime'          => 'Pay time',
    'Createtime'       => 'Create time',
    'Updatetime'       => 'Update time',
    'Finishtime'       => 'sign time',
    'Usernumber'       => 'Reservation number',
    'Usernumber_sign'  => 'Number of sign-ups',
    'Userremark'       => 'User remark',
    'Package_order_id' => 'Package order id',
    'Package_remark'   => 'Package remark',
    'Cancel_reason'    => 'Cancel reason',
    'Cancel_time'      => 'Cancel time',
    'User.firstname'   => 'firstname',
    'User.lastname'    => 'lastname',
    'Slot.starttime'   => 'start time',
    'Slot.endtime'     => 'end time',
    'Lesson.name'      => 'Lesson name',
    'Lesson.name_en'   => 'Lesson name(en)'
];