注水的矿工

### Describe the bug broadcast无法正常推送信息并报错 ### Steps to reproduce 在代码中调用broadcast这个api 示例如下： ``` ts function broadcast(deliver: Deliver, message: string) { const temp = deliver.map( element => `${element.platform}:${element.guildId}` ); logger.info(temp) ctx.broadcast(temp, message);...