diff --git a/spring-cloud-alibaba-examples/sentinel-example/sentinel-spring-cloud-gateway-example/src/main/resources/application.yaml b/spring-cloud-alibaba-examples/sentinel-example/sentinel-spring-cloud-gateway-example/src/main/resources/application.yaml
index b8fc8b38..27ae0cb9 100644
--- a/spring-cloud-alibaba-examples/sentinel-example/sentinel-spring-cloud-gateway-example/src/main/resources/application.yaml
+++ b/spring-cloud-alibaba-examples/sentinel-example/sentinel-spring-cloud-gateway-example/src/main/resources/application.yaml
@@ -33,10 +33,9 @@ spring:
         dashboard: localhost:8080
       filter:
         enabled: true
-#      scg:
-#        fallback:
-#          mode: response
-#          response-status: 444
-#          response-body: 1234
+      scg.fallback:
+          mode: response
+          response-status: 444
+          response-body: 1234
 
 management.endpoints.web.exposure.include: "*"
\ No newline at end of file