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When the publisher publishes the message, subscriber 1 receives a message from the subscription channel python

When the publisher publishes to the linux channel, both subscribers receive the message. The publisher also returns several subscribers who have received the message. The above post is miswritten and posted to a channel that no one subscribes to, returning 0 subscribers.

The channels published by the publisher and the channels received by the publisher need to be accurately judged and cannot vaguely match the received messages.

When subscribers use psubscribe here, the latter becomes a pattern

When the subscriber uses the psubscribe command and the subscribed channel uses wildcards, the channel published by the publisher that can vaguely match the subscriber is received by the subscriber.

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