fix filename too long compile err

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-resttemplate-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/resttemplate/example/CustomFallback.java

@@ -25,12 +25,12 @@ import com.tencent.cloud.polaris.circuitbreaker.resttemplate.PolarisCircuitBreak
 import org.springframework.stereotype.Component;
 
 /**
- * CustomPolarisCircuitBreakerFallback.
+ * CustomFallback.
  *
  * @author sean yu
  */
 @Component
-public class CustomPolarisCircuitBreakerFallback implements PolarisCircuitBreakerFallback {
+public class CustomFallback implements PolarisCircuitBreakerFallback {
 	@Override
 	public PolarisCircuitBreakerHttpResponse fallback() {
 		return new PolarisCircuitBreakerHttpResponse(

spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-resttemplate-example/src/main/java/com/tencent/cloud/polaris/circuitbreaker/resttemplate/example/ServiceAResTemplate.java

@@ -60,7 +60,7 @@ public class ServiceAResTemplate {
 
 	@Bean
 	@LoadBalanced
-	@PolarisCircuitBreakerRestTemplate(fallbackClass = CustomPolarisCircuitBreakerFallback.class)
+	@PolarisCircuitBreakerRestTemplate(fallbackClass = CustomFallback.class)
 	public RestTemplate restTemplateFallbackFromCode() {
 		DefaultUriBuilderFactory uriBuilderFactory = new DefaultUriBuilderFactory("http://polaris-circuitbreaker-callee-service");
 		RestTemplate restTemplate = new RestTemplate();