@Override
	public HttpbinClientFallback create(Throwable throwable) {
		return new HttpbinClientFallback(throwable);
	}
@author raozihao
@author <a href="mailto:zihaorao@gmail.com">Steve</a>
spring-cloud-alibaba-examples/sentinel-example/sentinel-openfeign-example/src/main/java/com/alibaba/cloud/examples/configuration/EchoServiceFallbackFactory.java