diff --git a/cgproxy.conf b/cgproxy.conf
index ea68ae0..c224b52 100644
--- a/cgproxy.conf
+++ b/cgproxy.conf
@@ -6,7 +6,7 @@
 ## note, cgroup must start with slash '/'
 ## the value can be string or bash array
 ## for array, only the first element will be created if not exist
-## and the rest elements will not, so won't be applied
+## and the rest elements will not, so won't be applied if not exist
 
 ### global proxy with v2ray service
 # cgroup_proxy="/"
diff --git a/cgroup-tproxy.sh b/cgroup-tproxy.sh
index eaf885e..f419b89 100644
--- a/cgroup-tproxy.sh
+++ b/cgroup-tproxy.sh
@@ -107,6 +107,7 @@ esac
 done
 
 ## TODO cgroup need to exists before using in iptables since 5.6.5, maybe it's bug
+## only create the first one in arrary
 test -d $cgroup_mount_point$cgroup_proxy    || mkdir $cgroup_mount_point$cgroup_proxy   || exit -1; 
 test -d $cgroup_mount_point$cgroup_noproxy  || mkdir $cgroup_mount_point$cgroup_noproxy || exit -1; 
 
diff --git a/readme.md b/readme.md
index 014d6c4..f282d37 100644
--- a/readme.md
+++ b/readme.md
@@ -84,7 +84,7 @@ mkdir build && cd build && cmake .. && make && sudo make install
 ## note, cgroup must start with slash '/'
 ## the value can be string or bash array
 ## for array, only the first element will be created if not exist
-## and the rest elements will not, so won't be applied
+## and the rest elements will not, so won't be applied if not exist
 
 ### global proxy with v2ray service
 # cgroup_proxy="/"