diff --git a/doc/lib-head+tail b/doc/lib-head+tail
index d3c48f7..597257f 100644
--- a/doc/lib-head+tail
+++ b/doc/lib-head+tail
@@ -2,10 +2,12 @@
 #remaster lib
 [ -d "<LIBDIR>" ] || { echo "LIBDIR not exist"; exit 1; }
 
-#beginn func
-
+#<function> [param]
+function <function>() {
+    #Code of <function>
+}
 
 #this func is standalone executable
 [ -n "$1" ] && {
-    check_user
+    <function> $@
 }
diff --git a/script/add_function.sh b/script/add_function.sh
new file mode 100755
index 0000000..17bd495
--- /dev/null
+++ b/script/add_function.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+#check param
+[ -z "$1" ] && { echo "$0 [name]"; exit 1; }
+name="$1"
+
+#gen function
+cp "doc/lib-head+tail" "src/func/$name"
+sed -i "s/<function>/$name/g" "src/func/$name"
+
+#open
+editor "src/func/$name"