### Environment

* Dubbo version: 3.0.6
* Operating System version: windows10
* Java version: jdk1.8

### Steps to reproduce this issue

String loadbalance() default ClusterRules.EMPTY;



/**
     * Monitor spring bean name
     */
    String monitor() default "";
    /**
     * Registry spring bean name
     */
    String[] registry() default {};
    /**
     * Service tag name
     */
    String tag() default "";
    /**
     * methods support
     *
     * @return
     */
    Method[] methods() default {};
    /**
     * the scope for referring/exporting a service, if it's local, it means searching in current JVM only.
     * @see org.apache.dubbo.rpc.Constants#SCOPE_LOCAL
     * @see org.apache.dubbo.rpc.Constants#SCOPE_REMOTE
     */
    String scope() default "";
    /**
     * Weather the service is export asynchronously
     */
    boolean exportAsync() default false;
}