京东云devops websocket测试 POST 说明 / 示例 https://static001.infoq.cn/resource/image/00/0b/00129dd9d6e5f360bd2b17234aa7110b.png 
https://static001.infoq.cn/resource/image/00/0b/00129dd9d6e5f360bd2b17234aa7110b.png 