diff --git a/2003/2004/RDBMS2_DAY04 b/2003/2004/RDBMS2_DAY04
index 697713b0cb5abe465f6ebeaed0ed3fbfe5ed4da3..624da393122abf66fc083e4f83dbf2a84e93fa09 100644
--- a/2003/2004/RDBMS2_DAY04
+++ b/2003/2004/RDBMS2_DAY04
@@ -312,7 +312,7 @@ hostname=192.168.4.51
 port=3306
 :wq
 		4.2.3 测试配置
-			]# master_check_repl  --conf=/etc/mha/app1.cnf
+			]# masterha_check_repl  --conf=/etc/mha/app1.cnf
 MySQL Replication Health is OK.
 [root@host57 ~]#