diff --git a/packaging/cfg/taos.cfg b/packaging/cfg/taos.cfg
index b3551fd37887767cce0e3af5de24bcbcc367195e..b8daef199a2aab39a502bc1fef4cc401a118c200 100644
--- a/packaging/cfg/taos.cfg
+++ b/packaging/cfg/taos.cfg
@@ -43,7 +43,7 @@
 keepColumnName            1
 
 # number of management nodes in the system
-# numOfMnodes               3
+# numOfMnodes               1
 
 # enable/disable backuping vnode directory when removing vnode
 # vnodeBak                  1