diff --git a/eventmesh-examples/src/main/java/org/apache/eventmesh/grpc/sub/app/service/SubService.java b/eventmesh-examples/src/main/java/org/apache/eventmesh/grpc/sub/app/service/SubService.java
index 8d3fe0d075..f48dad1d2d 100644
--- a/eventmesh-examples/src/main/java/org/apache/eventmesh/grpc/sub/app/service/SubService.java
+++ b/eventmesh-examples/src/main/java/org/apache/eventmesh/grpc/sub/app/service/SubService.java
@@ -90,7 +90,7 @@ public void afterPropertiesSet() throws Exception {
                 e.printStackTrace();
             }
             logger.info("stopThread start....");
-            System.exit(0);
+            throw new RuntimeException();
         });
         stopThread.start();
     }
diff --git a/eventmesh-examples/src/main/java/org/apache/eventmesh/http/demo/sub/service/SubService.java b/eventmesh-examples/src/main/java/org/apache/eventmesh/http/demo/sub/service/SubService.java
index b825bc979c..d2aab6f738 100644
--- a/eventmesh-examples/src/main/java/org/apache/eventmesh/http/demo/sub/service/SubService.java
+++ b/eventmesh-examples/src/main/java/org/apache/eventmesh/http/demo/sub/service/SubService.java
@@ -93,7 +93,7 @@ public void afterPropertiesSet() throws Exception {
                 e.printStackTrace();
             }
             logger.info("stopThread start....");
-            System.exit(0);
+            throw new RuntimeException();
         });
         stopThread.start();
     }