niucloud-admin/niucloud/addon/hello_world/app/dict/notice/notice.php

<?php
return [
    'hello_world_test' => [
        'key' => 'hello_world_test',
        'app_type' => 'site',
        'name' => 'hello world消息',
        'title' => 'hello world演示插件消息',
        'variable' =>[
            'name' => '消息内容'
        ],
    ],

];