diff --git a/src/main/java/com/pancm/design/mediator/MediatorTest.java b/src/main/java/com/pancm/design/mediator/MediatorTest.java
index 02c80c4..e582d55 100644
--- a/src/main/java/com/pancm/design/mediator/MediatorTest.java
+++ b/src/main/java/com/pancm/design/mediator/MediatorTest.java
@@ -29,9 +29,8 @@ public class MediatorTest {
 		XuWuJing xwj = new XuWuJing("xuwujing", jq);
 		jq.setZs(zs);
 		jq.setXwj(xwj);
-        
-		zs.talk("大家好！我是张三!");;
-		xwj.talk("欢迎你！张三！");
+		zs.exchange("大家好！我是张三!");
+		xwj.exchange("欢迎你！张三！");
 		
 		
 		/*