SpringBoot 中- HandlerInterceptor 中 @Autowired 和 @Resource 为空

public class JWTInterceptor implements HandlerInterceptor {
    @Autowired
    User user;  //null 
}

@Configuration
public class InterceptorConfig implements WebMvcConfigurer {
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new JWTInterceptor());
    }
}

@Configuration
public class InterceptorConfig implements WebMvcConfigurer {
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(jwtInterceptor())
                .excludePathPatterns("/user/**")
                .addPathPatterns("/**");
    }
    @Bean
    public JWTInterceptor jwtInterceptor() {
        return new JWTInterceptor();
    }
}