code: @Bean
  	public DubboServiceCustomizationer dubboProviderCustomizationer() {
  		return new DubboServiceCustomizationer() {
  			
  			@Override
  			public void customDubboService(BusinessIdentifer businessIdentifer,
  					ServiceConfig<GenericService> serviceConfig) {
  				Logger logger = LoggerFactory.getLogger(getClass());
  				logger.info("custom dubbo provider!");
  			
  			}
  		};
  	}
docs: This is an optional bean, you can modify Dubbo reference here to change the behavior of consumer