- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
- [ ] I have checked the [FAQ](https://github.com/apache/dubbo/blob/master/FAQ.md) of this repository and believe that this is not a duplicate.

### Environment

* Dubbo version: 2.7.4.1
* Java version: 1.8

### Actual Result

[https://github.com/apache/dubbo/blob/839d2a604e629ea9e96b964be09ae221e85312ba/dubbo-common/src/main/java/org/apache/dubbo/rpc/model/ApplicationModel.java#L80](https://github.com/apache/dubbo/blob/839d2a604e629ea9e96b964be09ae221e85312ba/dubbo-common/src/main/java/org/apache/dubbo/rpc/model/ApplicationModel.java#L80)

### Expected Result

```
initFrameworkExts
```
return (ConfigManager) loader.getExtension(ConfigManager.NAME);
    }
    public static ServiceRepository getServiceRepository() {
        return (ServiceRepository) loader.getExtension(ServiceRepository.NAME);
    }
    public static ApplicationConfig getApplicationConfig() {
        return getConfigManager().getApplicationOrElseThrow();
    }
    public static String getName() {
        return getApplicationConfig().getName();
    }
    @Deprecated
    private static String application;
    @Deprecated
    public static String getApplication() {
        return application == null ? getName() : application;
    }
    
    @Deprecated
    public static void setApplication(String application) {
        ApplicationModel.application = application;
    }
    
    public static void reset() {
        getServiceRepository().destroy();
        getConfigManager().destroy();
        getEnvironment().destroy();
    }
}