diff --git a/mq-demo/ReadMe.md b/mq-demo/ReadMe.md
index fa85bfc..b53ff4c 100644
--- a/mq-demo/ReadMe.md
+++ b/mq-demo/ReadMe.md
@@ -848,4 +848,86 @@ sequenceDiagram
 Map<String, Object> args = new HashMap<>();
 args.put("x-queue-mode", "lazy");
 channel.queueDeclare("myLazyQueue", true, false, false, args);
+```
+
+## 优先级队列
+
+**优先级范围**
+
+- 通过 `x-max-priority` 参数定义队列支持的最大优先级（默认0=无优先级）
+- 有效值：`1-255`（建议不超过10，因[官方文档](https://www.rabbitmq.com/priority.html)指出高值会显著影响性能）
+
+**消息排序规则**
+
+- 高优先级消息**优先被消费**（同优先级则遵循FIFO）
+- 仅当队列堆积时生效（空队列时无意义）
+
+### 测试环境
+
+**创建交换机**
+
+exchange.test.priority
+
+![image-20250519171927379](./images/image-20250519171927379.png)
+
+**创建队列**
+
+队列名称：queue.test.priority
+
+| 参数             | 值   | 说明                            |
+| :--------------- | :--- | :------------------------------ |
+| `x-max-priority` | 10   | 必须手动添加（UI/代码均可设置） |
+
+![image-20250519172029093](./images/image-20250519172029093.png)
+
+**绑定路由**
+
+routing.key.test.priority
+
+![image-20250519172210296](./images/image-20250519172210296.png)
+
+### 测试Code
+
+```mermaid
+graph LR
+A[生产者设置priority] --> B{消息入队}
+B -->|高优先级| C[插入队列头部附近]
+B -->|低优先级| D[插入队列尾部附近]
+```
+
+> [!IMPORTANT]
+>
+> 设置优先级，不能超过设置的优先级，例如设置最高优先级 x-max-priority:	10
+>
+> 最高不能超过10
+
+**生产者**
+
+```java
+/* 测试消息优先级 */
+@Test
+void priorityTest() {
+    for (int i = 0; i <= 10; i++) {
+        int finalI = i;
+        rabbitTemplate.convertAndSend("exchange.test.priority",
+                "routing.key.test.priority",
+                "优先级消息-" + i,
+                message -> {
+                    // 设置优先级，不能超过设置的优先级，例如设置最高优先级 x-max-priority:	10
+                    // 最高不能超过10
+                    message.getMessageProperties().setPriority(finalI);
+                    return message;
+                });
+    }
+}
+```
+
+**消费者**
+
+```java
+/* 测试优先级队列 */
+@RabbitListener(queues = "queue.test.priority")
+public void processMessagePriority(String dataString, Channel channel, Message message) throws IOException, InterruptedException {
+    log.info("<<优先级队列>>----<priority>{}", dataString);
+}
 ```
\ No newline at end of file
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diff --git a/mq-demo/src/main/java/cn/bunny/mq/mqdemo/mq/listener/MessageListenerOrder.java b/mq-demo/src/main/java/cn/bunny/mq/mqdemo/mq/listener/MessageListenerOrder.java
index 30556ab..8738c7b 100644
--- a/mq-demo/src/main/java/cn/bunny/mq/mqdemo/mq/listener/MessageListenerOrder.java
+++ b/mq-demo/src/main/java/cn/bunny/mq/mqdemo/mq/listener/MessageListenerOrder.java
@@ -88,4 +88,10 @@ public class MessageListenerOrder {
         log.info("<延迟消息>----当前时间{}", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
     }
 
+    /* 测试优先级队列 */
+    @RabbitListener(queues = "queue.test.priority")
+    public void processMessagePriority(String dataString, Channel channel, Message message) throws IOException, InterruptedException {
+        log.info("<<优先级队列>>----<priority>{}", dataString);
+    }
+
 }
diff --git a/mq-demo/src/test/java/cn/bunny/mq/mqdemo/MqDemoApplicationTests.java b/mq-demo/src/test/java/cn/bunny/mq/mqdemo/MqDemoApplicationTests.java
index 0b8711a..e9a2804 100644
--- a/mq-demo/src/test/java/cn/bunny/mq/mqdemo/MqDemoApplicationTests.java
+++ b/mq-demo/src/test/java/cn/bunny/mq/mqdemo/MqDemoApplicationTests.java
@@ -117,4 +117,21 @@ class MqDemoApplicationTests {
                 messagePostProcessor
         );
     }
+
+    /* 测试消息优先级 */
+    @Test
+    void priorityTest() {
+        for (int i = 0; i <= 10; i++) {
+            int finalI = i;
+            rabbitTemplate.convertAndSend("exchange.test.priority",
+                    "routing.key.test.priority",
+                    "优先级消息-" + i,
+                    message -> {
+                        // 设置优先级，不能超过设置的优先级，例如设置最高优先级 x-max-priority:	10
+                        // 最高不能超过10
+                        message.getMessageProperties().setPriority(finalI);
+                        return message;
+                    });
+        }
+    }
 }