diff --git a/mse-simple-demo/B/src/main/java/com/alibabacloud/mse/demo/BApplication.java b/mse-simple-demo/B/src/main/java/com/alibabacloud/mse/demo/BApplication.java
index e728332c..38b8e5be 100644
--- a/mse-simple-demo/B/src/main/java/com/alibabacloud/mse/demo/BApplication.java
+++ b/mse-simple-demo/B/src/main/java/com/alibabacloud/mse/demo/BApplication.java
@@ -60,7 +60,7 @@ class AController {
         InetUtils inetUtils;
 
         @GetMapping("/b")
-        public String a(HttpServletRequest request) {
+        public String b(HttpServletRequest request) {
             return "B"+SERVICE_TAG+"[" + inetUtils.findFirstNonLoopbackAddress().getHostAddress() + "]" + " -> " +
                 restTemplate.getForObject("http://sc-C/c", String.class);
 //            return "B[" + request.getLocalAddr() + "]";
diff --git a/mse-simple-demo/C/src/main/java/com/alibabacloud/mse/demo/CApplication.java b/mse-simple-demo/C/src/main/java/com/alibabacloud/mse/demo/CApplication.java
index 2db251a7..4100dac9 100644
--- a/mse-simple-demo/C/src/main/java/com/alibabacloud/mse/demo/CApplication.java
+++ b/mse-simple-demo/C/src/main/java/com/alibabacloud/mse/demo/CApplication.java
@@ -56,7 +56,7 @@ class AController {
         InetUtils inetUtils;
 
         @GetMapping("/c")
-        public String a(HttpServletRequest request) {
+        public String c(HttpServletRequest request) {
             return "C" + SERVICE_TAG + "[" + inetUtils.findFirstNonLoopbackAddress().getHostAddress() + "]";
         }
     }