diff --git a/README.md b/README.md
index 636cb72..7e910b9 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,6 @@ Command Line Scripts for ZJU (VPN / WLAN / DNS)
 
 - zjunet wlan
 
-- zjunet dns
-
 ## 目标
 
 - ZJU VPN
@@ -18,7 +16,7 @@ Command Line Scripts for ZJU (VPN / WLAN / DNS)
 
 - Arch Linux / Ubuntu 支持
 
-- 路由器支持（sh）
+- 路由器支持（written in sh）
 
 - 多拨支持（多账户负载均衡）
 
diff --git a/user.sh b/user.sh
new file mode 100755
index 0000000..192b6d1
--- /dev/null
+++ b/user.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# init
+CFG="$HOME/.zjunetrc"
+touch $CFG
+
+# dispatch
+case "$1" in
+    add)
+        ;;
+    edit)
+        ;;
+    delete)
+        ;;
+    list)
+        cat $CFG
+        ;;
+esac
diff --git a/zjunet.sh b/zjunet.sh
index 1f1c055..87e25f7 100755
--- a/zjunet.sh
+++ b/zjunet.sh
@@ -9,8 +9,8 @@
 BASEDIR=$(dirname $0)
 
 case "$1" in
-    config)
-        zju_config
+    user)
+        "$BASEDIR/user.sh" $2
         ;;
     ip)
         ip route show 0/0 | cut -d " " -f 3