diff --git a/plugins/mysql/conf/my5.5.cnf b/plugins/mysql/conf/my5.5.cnf
index 70b5c1c66..9df7698e4 100644
--- a/plugins/mysql/conf/my5.5.cnf
+++ b/plugins/mysql/conf/my5.5.cnf
@@ -58,6 +58,10 @@ expire_logs_days=7
 relay-log=mdserver
 relay-log-index=mdserver
 
+#主主互备设置
+#auto_increment_offset=2
+#auto_increment_increment=2
+
 #master
 #sync_binlog=1
 
diff --git a/plugins/mysql/conf/my5.6.cnf b/plugins/mysql/conf/my5.6.cnf
index 35a9c3a7e..4950bbce7 100644
--- a/plugins/mysql/conf/my5.6.cnf
+++ b/plugins/mysql/conf/my5.6.cnf
@@ -61,6 +61,10 @@ expire_logs_days=7
 relay-log=mdserver
 relay-log-index=mdserver
 
+#主主互备设置
+#auto_increment_offset=2
+#auto_increment_increment=2
+
 #master
 #sync_binlog=1
 
diff --git a/plugins/mysql/conf/my5.7.cnf b/plugins/mysql/conf/my5.7.cnf
index c6f722823..40ad650d7 100644
--- a/plugins/mysql/conf/my5.7.cnf
+++ b/plugins/mysql/conf/my5.7.cnf
@@ -62,6 +62,10 @@ expire_logs_days=7
 relay-log=mdserver
 relay-log-index=mdserver
 
+#主主互备设置
+#auto_increment_offset=2
+#auto_increment_increment=2
+
 #master
 #sync_binlog=1
 
diff --git a/plugins/mysql/conf/my8.0.cnf b/plugins/mysql/conf/my8.0.cnf
index c0574c3dc..7b75db215 100644
--- a/plugins/mysql/conf/my8.0.cnf
+++ b/plugins/mysql/conf/my8.0.cnf
@@ -60,6 +60,10 @@ binlog_expire_logs_seconds=2592000
 relay-log=mdserver
 relay-log-index=mdserver
 
+#主主互备设置
+#auto_increment_offset=2
+#auto_increment_increment=2
+
 #master
 #sync_binlog=1