修改bug

framework/core/infrastructure/message_queue/redis/redis.go

@@ -146,12 +146,6 @@ func (messageQueue *MessageQueue) UnSubscribe(group string, topic string) error
 	defer messageQueue.consumerMapMutex.Unlock()
 
 	groupTopic := messageQueue.formGroupTopic(group, topic)
-
-	_, ok := messageQueue.consumerMap[groupTopic]
-	if !ok {
-		return nil
-	}
-
 	delete(messageQueue.consumerMap, groupTopic)
 
 	return nil