@Bean
	@Order(-1)
	@ConditionalOnMissingBean
	public SentinelGatewayFilter sentinelGatewayFilter() {
		logger.info(
				"[Sentinel SpringCloudGateway] register SentinelGatewayFilter with order: {}",
				gatewayProperties.getOrder());
		return new SentinelGatewayFilter(gatewayProperties.getOrder());
	}
@author <a href="mailto:fangjian0423@gmail.com">Jim</a>
spring-cloud-alibaba-starters/spring-cloud-alibaba-sentinel-gateway/src/main/java/com/alibaba/cloud/sentinel/gateway/scg/SentinelSCGAutoConfiguration.java