- [ ] 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
```
}
        });
        asyncExportingFutures.clear();
        exportedServices.clear();
    }
    private void referServices() {
        if (cache == null) {
            cache = ReferenceConfigCache.getCache();
        }
        configManager.getReferences().forEach(rc -> {
            
            ReferenceConfig referenceConfig = (ReferenceConfig) rc;
            referenceConfig.setBootstrap(this);
            if (rc.shouldInit()) {
                if (referAsync) {
                    CompletableFuture<Object> future = ScheduledCompletableFuture.submit(
                            executorRepository.getServiceExporterExecutor(),
                            () -> cache.get(rc)
                    );
                    asyncReferringFutures.add(future);
                } else {
                    cache.get(rc);
                }
            }
        });
    }
    private void unreferServices() {
        if (cache == null) {
            cache = ReferenceConfigCache.getCache();
        }