5.批量群发

https://line-1258725613.cos.accelerate.myqcloud.com/video/zg/%E6%89%B9%E9%87%8F%E7%BE%A4%E5%8F%91%E6%B6%88%E6%81%AF.mp4line-1258725613.cos.accelerate.myqcloud.com

批量群发好友与陌生消息