diff --git a/src/main/java/com/analysis/cg/example/service/AService.java b/src/main/java/com/analysis/cg/example/service/AService.java
index fd517e1..0ad0410 100644
--- a/src/main/java/com/analysis/cg/example/service/AService.java
+++ b/src/main/java/com/analysis/cg/example/service/AService.java
@@ -15,5 +15,6 @@ public class AService {
     public void run() {
         log.info("this is A!");
         cService.run();
+        log.info("change one!");
     }
 }
diff --git a/src/main/java/com/analysis/cg/example/service/EService.java b/src/main/java/com/analysis/cg/example/service/EService.java
index 55ac487..05eeb2d 100644
--- a/src/main/java/com/analysis/cg/example/service/EService.java
+++ b/src/main/java/com/analysis/cg/example/service/EService.java
@@ -9,5 +9,6 @@ public class EService {
 
     public void run() {
         log.info("this is end!");
+        log.info("change two!");
     }
 }