diff --git a/src/main/java/com/zerroi/rocketmq/base/batch/BatchProducer.java b/src/main/java/com/zerroi/rocketmq/base/batch/BatchProducer.java
new file mode 100644
index 0000000..2c60a3c
--- /dev/null
+++ b/src/main/java/com/zerroi/rocketmq/base/batch/BatchProducer.java
@@ -0,0 +1,7 @@
+package com.zerroi.rocketmq.base.batch;
+
+public class BatchProducer {
+    public static void main(String[] args) {
+
+    }
+}
diff --git a/src/main/java/com/zerroi/rocketmq/base/consumer/MessageConsumer.java b/src/main/java/com/zerroi/rocketmq/base/consumer/MessageConsumer.java
index c424d80..703a64c 100644
--- a/src/main/java/com/zerroi/rocketmq/base/consumer/MessageConsumer.java
+++ b/src/main/java/com/zerroi/rocketmq/base/consumer/MessageConsumer.java
@@ -7,7 +7,7 @@ import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.remoting.protocol.heartbeat.MessageModel;
 
 public class MessageConsumer {
-    public static void main(String[] args) throws MQClientException, InterruptedException {
+    public static void main(String[] args) throws MQClientException {
         DefaultMQPushConsumer defaultMQPushConsumer = new DefaultMQPushConsumer("group1");
         defaultMQPushConsumer.setNamesrvAddr("192.168.150.110:9876;192.168.150.111:9876");
 
@@ -21,7 +21,5 @@ public class MessageConsumer {
         });
 
         defaultMQPushConsumer.start();
-        // TimeUnit.SECONDS.sleep(2);
-        // defaultMQPushConsumer.shutdown();
     }
 }
diff --git a/src/main/java/com/zerroi/rocketmq/base/delay/DelayConsumer.java b/src/main/java/com/zerroi/rocketmq/base/delay/DelayConsumer.java
new file mode 100644
index 0000000..cf19955
--- /dev/null
+++ b/src/main/java/com/zerroi/rocketmq/base/delay/DelayConsumer.java
@@ -0,0 +1,27 @@
+package com.zerroi.rocketmq.base.delay;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
+import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
+import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.apache.rocketmq.common.message.MessageExt;
+
+@Slf4j
+public class DelayConsumer {
+    public static void main(String[] args) throws MQClientException {
+        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("group1");
+        consumer.setNamesrvAddr("192.168.150.110:9876;192.168.150.111:9876");
+        consumer.subscribe("DelayTop", "*");
+
+        consumer.registerMessageListener((MessageListenerConcurrently) (msgs, context) -> {
+            for (MessageExt msg : msgs) {
+                log.info("receive message id: {}; delay time: {}", msg.getMsgId(),
+                        System.currentTimeMillis() - msg.getStoreTimestamp());
+            }
+            return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
+        });
+
+        consumer.start();
+    }
+}
diff --git a/src/main/java/com/zerroi/rocketmq/base/delay/DelayProducer.java b/src/main/java/com/zerroi/rocketmq/base/delay/DelayProducer.java
new file mode 100644
index 0000000..9672081
--- /dev/null
+++ b/src/main/java/com/zerroi/rocketmq/base/delay/DelayProducer.java
@@ -0,0 +1,29 @@
+package com.zerroi.rocketmq.base.delay;
+
+import org.apache.rocketmq.client.exception.MQBrokerException;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.apache.rocketmq.client.producer.DefaultMQProducer;
+import org.apache.rocketmq.client.producer.SendResult;
+import org.apache.rocketmq.common.message.Message;
+import org.apache.rocketmq.remoting.exception.RemotingException;
+
+import java.util.concurrent.TimeUnit;
+
+public class DelayProducer {
+    public static void main(String[] args) throws MQClientException, RemotingException, InterruptedException, MQBrokerException {
+        DefaultMQProducer producer = new DefaultMQProducer("group1");
+
+        producer.setNamesrvAddr("192.168.150.110:9876;192.168.150.111:9876");
+        producer.start();
+
+        for (int i = 0; i < 10; i++) {
+            Message message = new Message("DelayTop", "tag1", ("hello world" + i).getBytes());
+            // 设置延迟等级
+            message.setDelayTimeLevel(2);
+            SendResult sendResult = producer.send(message);
+            System.out.println("发送结果" + sendResult);
+            TimeUnit.SECONDS.sleep(1);
+        }
+        producer.shutdown();
+    }
+}