backend.php

<?php
/**
 * Created by PhpStorm.
 * User: rlgyzhcn
 * Date: 18-10-18
 * Time: 下午2:26
 */

return [
    'ErrInsufficientBalance' => 'Insufficient Balance',
    'ErrWalletIsLocked'      => 'Wallet Is Locked'
];