fix: 修改一处表述不清晰的文字介绍,Update redis-delayed-task.md #2621
Merged
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既然是要找到定时过期的任务,肯定需要有定期扫描的,既然消费者没有轮询,那应该就是RDelayedQueue使用zrangebyscore命令定期扫描已经过期的任务。