``` type: array ``` 媒体来源，用于渲染图表左侧第一列入口 格式示例 ``` from: [{ media: "www.baidu.com", media_count: "11641", media_name: "百度搜索" }, { media: "www.google.com", media_count: "11641", media_name: "谷歌搜索" }, …] ```