修复sonar扫描

comp-example/src/test/java/com/ai/ipu/example/kafka/KafkaCustomerExample.java

public class KafkaCustomerExample {
    private static final Log logger = LogFactory.getLog(KafkaCustomerExample.class);
    private static final int PULL_NUM = 100;
    public static void main(String[] args) throws InterruptedException {
        Properties properties = new Properties();
        properties.put("bootstrap.servers", "47.105.160.21:9091,47.105.160.21:9092,47.105.160.21:9093");
        kafkaConsumer.subscribe(Arrays.asList("test"));
        try {
            while (true) {
                ConsumerRecords<String, String> records = kafkaConsumer.poll(100);
                ConsumerRecords<String, String> records = kafkaConsumer.poll(PULL_NUM);
                for (ConsumerRecord<String, String> record : records) {
                    logger.debug("offset = " + record.offset() + ", value = " + record.value());
                    logger.debug("\n=================================");