Spring Batch无法读取csv文件

@Configuration
@EnableBatchProcessing
public class BatchConfig {

    @Autowired
    private JobBuilderFactory jobBuilderFactory;

    @Autowired
    private StepBuilderFactory stepBuilderFactory;

    @Bean
    public FlatFileItemReader<MyObject> reader() {
        FlatFileItemReader<MyObject> reader = new FlatFileItemReader<>();
        reader.setResource(new ClassPathResource("data.csv"));
        reader.setLineMapper(new DefaultLineMapper<MyObject>() {{
            setLineTokenizer(new DelimitedLineTokenizer() {{
                setNames(new String[]{"field1", "field2", "field3"});
            }});
            setFieldSetMapper(new BeanWrapperFieldSetMapper<MyObject>() {{
                setTargetType(MyObject.class);
            }});
        }});
        return reader;
    }

    @Bean
    public ItemWriter<MyObject> writer() {
        // 配置写入逻辑
    }

    @Bean
    public Step myStep(ItemReader<MyObject> reader, ItemWriter<MyObject> writer) {
        return stepBuilderFactory.get("myStep")
                .<MyObject, MyObject>chunk(10)
                .reader(reader)
                .writer(writer)
                .build();
    }

    @Bean
    public Job myJob(Step myStep) {
        return jobBuilderFactory.get("myJob")
                .incrementer(new RunIdIncrementer())
                .flow(myStep)
                .end()
                .build();
    }
}