Spring Dubbo 注解无效，空指针 ：报错

今天采用Spring注解  Dubbo(注解)的方式整合服务

消费者

@Controller
public class HomeController {

private static final Logger logger = LoggerFactory.getLogger(HomeController.class);


    @Reference(version = "0.0.1")
    private IDemoService demoService;

@RequestMapping(value = "/say", method = RequestMethod.GET)
    @ResponseBody
public String sayHello(){
demoService.sayHello();
        return "1";
}

@RequestMapping(value = "/add", method = RequestMethod.GET)
public void addition(){
System.out.println(demoService.addition(5, 5));
}


}

application xml:

<dubbo:application name="consumer-of-helloworld-app" />
<dubbo:registry address="zookeeper://192.168.10.150:2181" />
    <dubbo:annotation package="com.demo.dubbo.controller"/>

提供者provider

import com.alibaba.dubbo.config.annotation.Service;

@Service(version = "0.0.1")
public class DemoServiceImpl implements IDemoService {


@Override
public void sayHello() {
System.out.println("hello dubbo!");
}


@Override
public int addition(int a, int b) {
int result = a + b;
System.out.println("addition:" + result);
return result;
}


}

application xml:

<dubbo:annotation package="com.winks.dubbo.demo.provider" />

其他配置都在dubbo.properties

消费者采用的是 bat启动，

消费者的 IDemoService demoService 始终是空指针。

有谁能否提供一个是dubbo注解实例，谢谢！