![image](https://user-images.githubusercontent.com/54169514/199922630-ba1b1417-e124-40b1-bac7-49158e2adbca.png)

文档上ApplicationConfig的enableFileCache属性默认true，但是在Dubbo3.1版本中，该属性似乎默认为null，导致mapping和元数据无法在本地缓存。

![image](https://user-images.githubusercontent.com/54169514/199923129-c99ea29b-45c5-40d1-bc21-1fbb44830fc7.png)

import org.apache.dubbo.config.support.Parameter;
import org.apache.dubbo.rpc.model.ApplicationModel;
/**
 * The application info
 *
 * @export
 */
public class ApplicationConfig extends AbstractConfig {
    private static final ErrorTypeAwareLogger LOGGER = LoggerFactory.getErrorTypeAwareLogger(ApplicationConfig.class);
    private static final long serialVersionUID = 5508512956753757169L;
    /**
     * Application name
     */
    private String name;
    /**
     * The application version
     */
    private String version;
    /**
     * Application owner
     */
    private String owner;
    /**
     * Application's organization (BU)
     */
    private String organization;
    /**
     * Architecture layer
     */
    private String architecture;