{
    "widgettype": "VBox",
    "options": {
        "cheight": 40,
        "width": "100%"
    },
    "subwidgets": [
        {
            "widgettype": "DataViewer",
            "options": {
                "data_url": "{{entire_url('/api/kb/list')}}",
                "columns": [
                    {"field": "file_name", "title": "文件名", "width": "30%"},
                    {"field": "file_type", "title": "类型", "width": "15%"},
                    {"field": "file_size", "title": "大小", "width": "15%"},
                    {"field": "status", "title": "状态", "width": "15%"},
                    {"field": "created_at", "title": "上传时间", "width": "25%"}
                ]
            }
        }
    ]
}