diff --git a/spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/src/main/resources/bootstrap.yml b/spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/src/main/resources/bootstrap.yml
index fcea98bb..7d1e1b77 100644
--- a/spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/src/main/resources/bootstrap.yml
+++ b/spring-cloud-tencent-examples/polaris-circuitbreaker-example/polaris-circuitbreaker-example-b2/src/main/resources/bootstrap.yml
@@ -5,6 +5,6 @@ spring:
     name: polaris-circuitbreaker-example-b
   cloud:
     polaris:
-      address: grpc://9.134.122.18:8091
+      address: grpc://127.0.0.1:8091
       namespace: default
 is-throw-runtime-exception: true