diff --git a/src/main/java/UnitTest/KafkaProductorTest.java b/src/main/java/UnitTest/KafkaProductorTest.java
index ba999d6..9657f54 100644
--- a/src/main/java/UnitTest/KafkaProductorTest.java
+++ b/src/main/java/UnitTest/KafkaProductorTest.java
@@ -7,7 +7,7 @@ import org.apache.kafka.common.serialization.StringSerializer;
 
 public class KafkaProductorTest {
 
-    protected static Properties init() {
+    protected static Properties initConfig() {
         Properties props = new Properties();
         props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "10.10.14.67:9092");
          /*
@@ -47,7 +47,7 @@ public class KafkaProductorTest {
     }
 
     public static void main(String[] args) throws Exception {
-        Producer<String, String> producer = new KafkaProducer<>(init());
+        Producer<String, String> producer = new KafkaProducer<>(initConfig());
 
         for (int i = 1; i <= 10; i++) {
             //指定发送分区
diff --git a/src/main/java/UnitTest/kafkaConsumerTest.java b/src/main/java/UnitTest/kafkaConsumerTest.java
index cd23d37..9368f3b 100644
--- a/src/main/java/UnitTest/kafkaConsumerTest.java
+++ b/src/main/java/UnitTest/kafkaConsumerTest.java
@@ -1,6 +1,7 @@
 package UnitTest;
 
 import org.apache.kafka.clients.consumer.*;
+import org.apache.kafka.common.PartitionInfo;
 import org.apache.kafka.common.TopicPartition;
 import org.apache.kafka.common.serialization.StringDeserializer;
 
@@ -27,29 +28,19 @@ public class kafkaConsumerTest {
     }
 
     protected static Properties initConfig() {
-        Properties properties = new Properties();
-        properties.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "10.10.14.67:9092");
-        properties.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
-        properties.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
-        properties.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false");
-        properties.put(ConsumerConfig.GROUP_ID_CONFIG, "dsideal-group");
-        properties.put(ConsumerConfig.CLIENT_ID_CONFIG, "dsideal1");
-        return properties;
-    }
-
-    public static void main(String[] args) throws ParseException {
         Properties props = new Properties();
         props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "10.10.14.67:9092");
-        String CONSUMER_GROUP_NAME="dsideal_group";
-        String TOPIC_NAME="test";
-
-        // 消费分组名
-        props.put(ConsumerConfig.GROUP_ID_CONFIG, CONSUMER_GROUP_NAME);
+        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
+        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
         // 是否自动提交offset，默认就是true
         props.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false");
+        // 消费分组名
+        props.put(ConsumerConfig.GROUP_ID_CONFIG, "dsideal-group");
+        props.put(ConsumerConfig.CLIENT_ID_CONFIG, "dsideal1");
         // 自动提交offset的间隔时间
         props.put(ConsumerConfig.AUTO_COMMIT_INTERVAL_MS_CONFIG, "1000");
-//        props.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false");
+
+        //        props.put(ConsumerConfig.ENABLE_AUTO_COMMIT_CONFIG, "false");
         /*
         当消费主题的是一个新的消费组，或者指定offset的消费方式，offset不存在，那么应该如何消费
         latest(默认) ：只消费自己启动之后发送到主题的消息
@@ -67,7 +58,6 @@ public class kafkaConsumerTest {
         */
         props.put(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, 10 * 1000);
 
-
         //一次poll最大拉取消息的条数，如果消费者处理速度很快，可以设置大点，如果处理速度一般，可以设置小点
         props.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, 50);
         /*
@@ -75,14 +65,22 @@ public class kafkaConsumerTest {
         会将其踢出消费组，将分区分配给别的consumer消费
         */
         props.put(ConsumerConfig.MAX_POLL_INTERVAL_MS_CONFIG, 30 * 1000);
-
         props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
         props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName());
-        KafkaConsumer<String, String> consumer = new KafkaConsumer<String, String>(props);
+        return props;
+    }
+
+    public static void main(String[] args) throws ParseException {
+        String TOPIC_NAME = "test";
+        KafkaConsumer<String, String> consumer = new KafkaConsumer<>(initConfig());
+
+        //如果使用自动分区分配，那就不要使用手动分区分配，反之亦然，两者不可同时使用，使用一种方法，就注释掉另一种方法。
+        //如使用手动分区分配，那么注释掉自动分区分配。
+        //https://blog.csdn.net/qq_41413743/article/details/123636586
+        // consumer.subscribe(Arrays.asList(TOPIC_NAME));
 
-        consumer.subscribe(Arrays.asList(TOPIC_NAME));
         // 消费指定分区
-        //consumer.assign(Arrays.asList(new TopicPartition(TOPIC_NAME, 0)));
+        consumer.assign(Arrays.asList(new TopicPartition(TOPIC_NAME, 0)));
 
         //消息回溯消费
         /*consumer.assign(Arrays.asList(new TopicPartition(TOPIC_NAME, 0)));
@@ -93,8 +91,9 @@ public class kafkaConsumerTest {
         consumer.seek(new TopicPartition(TOPIC_NAME, 0), 10);*/
 
         //从指定时间点开始消费
+        List<PartitionInfo> topicPartitions = consumer.partitionsFor(TOPIC_NAME);
 
-        /*List<PartitionInfo> topicPartitions = consumer.partitionsFor(TOPIC_NAME);
+        /*
         //从1小时前开始消费
         long fetchDataTime = new Date().getTime() - 1000 * 60 * 60;
         Map<TopicPartition, Long> map = new HashMap<>();
@@ -114,8 +113,8 @@ public class kafkaConsumerTest {
                 consumer.assign(Arrays.asList(key));
                 consumer.seek(key, offset);
             }
-        }*/
-
+        }
+        */
 
         while (true) {
             /*
@@ -147,4 +146,3 @@ public class kafkaConsumerTest {
         }
     }
 }
-//https://blog.csdn.net/qq_39839075/article/details/105522855