- [x] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.
- [x] 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: 2.7.5-SNAPSHOT
* Operating System version: macos
* Java version: 1.8.0_131

### Steps to reproduce this issue

We could run the following UT, then we could find the issue:

```
        ApplicationConfig application = new ApplicationConfig("provider");

        ServiceConfig<DemoService> service = new ServiceConfig<DemoService>();
        service.setProtocol(new ProtocolConfig("dubbo", 20880));
        service.setRegistry(new RegistryConfig(RegistryConfig.NO_AVAILABLE));
        service.setInterface(DemoService.class);
        service.setRef(new DemoServiceImpl());

        ConsumerConfig consumer = new ConsumerConfig();
        consumer.setLazy(true);

        ReferenceConfig<DemoService> reference = new ReferenceConfig<DemoService>();
        reference.setConsumer(consumer);
        reference.setRegistry(new RegistryConfig(RegistryConfig.NO_AVAILABLE));
        reference.setInterface(DemoService.class);
        reference.setUrl("dubbo://" + NetUtils.getLocalHost() + ":20880?" + DemoService.class.getName());

        DubboBootstrap bootstrap = DubboBootstrap.getInstance()
            .application(application)
            .service(service)
            .reference(reference)
            .start();

        Assert.assertEquals("true", reference.toUrls().get(0).getParameter("lazy"));
```

### Expected Result

Expected "lazy" : true

### Actual Result

Actual "lazy": false

* @param config the dubbo {@link AbstractConfig config}
     */
    public void addConfig(AbstractConfig config) {
        addConfig(config, false);
    }
    protected void addConfig(AbstractConfig config, boolean unique) {
        if (config == null) {
            return;
        }
        write(() -> {
            Map<String, AbstractConfig> configsMap = configsCache.computeIfAbsent(getTagName(config.getClass()), type -> newMap());
            addIfAbsent(config, configsMap, unique);
        });
    }
    protected <C extends AbstractConfig> Map<String, C> getConfigsMap(String configType) {
        return (Map<String, C>) read(() -> configsCache.getOrDefault(configType, emptyMap()));
    }
    protected <C extends AbstractConfig> Collection<C> getConfigs(String configType) {
        return (Collection<C>) read(() -> getConfigsMap(configType).values());
    }
    protected <C extends AbstractConfig> C getConfig(String configType, String id) {
        return read(() -> {
            Map<String, C> configsMap = (Map) configsCache.getOrDefault(configType, emptyMap());
            return configsMap.get(id);
        });
    }
    protected <C extends AbstractConfig> C getConfig(String configType) throws IllegalStateException {
        return read(() -> {
            Map<String, C> configsMap = (Map) configsCache.getOrDefault(configType, emptyMap());
            int size = configsMap.size();