webman-admin 如何设置默认主题？

问题描述

这里写问题描述
webman-admin 如何设置默认主题？查到了pear.config.json但是改了之后好像也没有生效

{
    "logo": {
        "title": "Webman Admin",
        "image": "/app/admin/admin/images/logo.png"
    },
    "menu": {
        "data": "/app/admin/rule/get",
        "method": "GET",
        "accordion": true,
        "collapse": false,
        "control": false,
        "controlWidth": 2000,
        "select": "0",
        "async": true
    },
    "tab": {
        "enable": true,
        "keepState": true,
        "session": true,
        "preload": false,
        "max": "30",
        "index": {
            "id": "0",
            "href": "/app/admin/index/dashboard",
            "title": "仪表盘"
        }
    },
    "theme": {
        "defaultColor": "2",
        "defaultMenu": "light-theme",
        "defaultHeader": "light-theme",
        "allowCustom": true,
        "banner": false
    },
    "colors": [
        {
            "id": "1",
            "color": "#36b368",
            "second": "#f0f9eb"
        },
        {
            "id": "2",
            "color": "#2d8cf0",
            "second": "#ecf5ff"
        },
        {
            "id": "3",
            "color": "#f6ad55",
            "second": "#fdf6ec"
        },
        {
            "id": "4",
            "color": "#f56c6c",
            "second": "#fef0f0"
        },
        {
            "id": "5",
            "color": "#3963bc",
            "second": "#ecf5ff"
        }
    ],
    "other": {
        "keepLoad": "500",
        "autoHead": false,
        "footer": false
    },
    "header": {
        "message": false
    }
}