feat:optimize examples.

spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/bootstrap.yml

@@ -9,6 +9,9 @@ spring:
       metadata:
         content:
           region: shanghai
+      rpc-enhancement:
+        reporter:
+          enabled: true
     polaris:
       address: grpc://183.47.111.80:8091
       namespace: default
@@ -22,10 +25,6 @@ spring:
       stat:
         enabled: true
         port: 28081
-    tencent:
-      rpc-enhancement:
-        reporter:
-          enabled: true
 #        pushgateway:
 #          enabled: true
 #          address: 127.0.0.1:9091

spring-cloud-tencent-examples/polaris-gateway-example/gateway-callee-service2/src/main/java/com/tencent/cloud/polaris/gateway/example/callee/GatewayCalleeApplication2.java

@@ -26,9 +26,9 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
  * @author Haotian Zhang
  */
 @SpringBootApplication
-public class GatewayCalleeApplication {
+public class GatewayCalleeApplication2 {
 
 	public static void main(String[] args) {
-		SpringApplication.run(GatewayCalleeApplication.class, args);
+		SpringApplication.run(GatewayCalleeApplication2.class, args);
 	}
 }