增加清除TOPIC消息

@@ -52,10 +52,8 @@ public class KafkaInitialConfiguration {
         props.put("enable.auto.commit", "true");
         props.put("auto.offset.reset", "earliest");
         props.put("auto.commit.interval.ms", "1000");
-        props.put("auto.commit.interval.ms", "1000");
         props.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
         props.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
-        KafkaConsumer<String, String> consumer = new KafkaConsumer<>(props);
-        return consumer;
+        return new KafkaConsumer<>(props);
     }
 }