diff --git a/spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/bootstrap.yml b/spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/bootstrap.yml
index 0f2594f59..bcd78ef70 100644
--- a/spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/bootstrap.yml
+++ b/spring-cloud-tencent-examples/polaris-discovery-example/discovery-caller-service/src/main/resources/bootstrap.yml
@@ -23,7 +23,7 @@ spring:
           enabled: true
         health-check-url: /discovery/service/caller/healthCheck
       contract:
-        exposure: false
+        exposure: true
       stat:
         enabled: true
         port: 28081