欧俊

5.0的版本前实现过在这里 https://github.com/ojdev/RabbitMQ.EventBus.AspNetCore/blob/7fd1f37e5d615e12a8b4be743a04d8d0bee5dcd8/src/RabbitMQ.EventBus.AspNetCore/DefaultRabbitMQEventBus.cs#L85C27-L85C27 升级6.0后这部分业务中没使用，就没继续实现，然后就离职了，就没再维护

```csharp #region snippet var arguments = new Dictionary(); #region 死信队列设置 if (_persistentConnection.Configuration.DeadLetterExchange.Enabled) { string deadExchangeName = $"{_persistentConnection.Configuration.DeadLetterExchange.ExchangeNamePrefix}{_persistentConnection.Configuration.DeadLetterExchange.CustomizeExchangeName ?? attr.Exchange}{_persistentConnection.Configuration.DeadLetterExchange.ExchangeNameSuffix}"; string deadQueueName = $"{_persistentConnection.Configuration.DeadLetterExchange.ExchangeNamePrefix}{queue}{_persistentConnection.Configuration.DeadLetterExchange.ExchangeNameSuffix}"; IModel dlxChannel; try { dlxChannel = _persistentConnection.ExchangeDeclare(exchange:...