依据阿里代码规范，if后必须有大括号。添加导包语句

648540858

2021-09-26 3ae18a558375532efcb7fcd374f58a1ad2d9105c

 src/main/java/com/genersoft/iot/vmp/service/impl/MediaServerServiceImpl.java

@@ -519,4 +519,12 @@

        return result;
    }

    @Override
    public void delete(String id) {
        redisUtil.zRemove(VideoManagerConstants.MEDIA_SERVERS_ONLINE_PREFIX, id);
        String key = VideoManagerConstants.MEDIA_SERVER_PREFIX + id;
        redisUtil.del(key);
        mediaServerMapper.delOne(id);
    }
}