diff --git a/intro-xa.md b/intro-xa.md
index 9f95967..e3716e2 100644
--- a/intro-xa.md
+++ b/intro-xa.md
@@ -90,7 +90,10 @@ UPDATE `user_account` SET `balance`=balance + 30,`update_time`='2021-06-09 11:50
 XA end '4fPqCPijxyC'
 XA prepare '4fPqCPijxyC'
 
+# 服务1输出
 xa commit '4fPqCNTYeSG'
+
+#服务2输出
 xa commit '4fPqCPijxyC'
 ```