文件：dayrui/App/模块或插件/Config/Menu.php

代码如下：

<?php

/**
 * 菜单配置
 */
return [
    // 后台菜单
    'admin' => [
        'app-help' => [
            'name' => '帮助',
            'icon' => 'bi bi-pencil-fill',
            'left' => [
                'app-help-core' => [
                    'name' => '帮助管理',
                    'icon' => 'bi bi-pencil-fill',
                    'link' => [
                        [
                            'name' => '文档列表',
                            'icon' => 'bi bi-list-ol',
                            'uri' => 'help/home/index',
                        ],
                        [
                            'name' => '发布文档',
                            'icon' => 'fa fa-plus',
                            'uri' => 'help/home/add/',
                        ],
                       
                        [
                            'name' => '栏目管理',
                            'icon' => 'fa fa-reorder',
                            'uri' => 'help/category/add/',
                        ],
                    ]
                ],
            ],
        ],
    ],
    // 用户菜单
    'member' => [

        '顶级菜单英文字母' => [
            'name' => '顶级菜单名称',
            'icon' => 'fa fa-cog',
            'link' => [
                [
                    'name' => '链接菜单名称',
                    'icon' => 'fa fa-cog',
                    'uri' => '链接菜单uri',
                ],
            ],
        ],
    ]
];

修改完这个文件后，在后台权限 - 初始化菜单