diff --git a/sh/fs.sh b/sh/fs.sh
index 26b11c7..0db5696 100644
--- a/sh/fs.sh
+++ b/sh/fs.sh
@@ -1,7 +1,3 @@
-# ╭────╮
-# │ fs │
-# ╰────╯
-
 rwx_fs_make_btrfs() {
 	local device="${1}"
 	local label="${2}"
diff --git a/sh/gnome.sh b/sh/gnome.sh
index a571a88..b17a058 100644
--- a/sh/gnome.sh
+++ b/sh/gnome.sh
@@ -23,18 +23,12 @@ rwx_gnome_background_win3() {
 # ╰───────┴───────╯
 
 rwx_gnome_proxy() {
-	local port="${1}"
-	local prefix="org.gnome.system.proxy"
-	case "${port}" in
-	"")
-		gsettings set "${prefix}" "mode" "none"
-		;;
-	*)
-		gsettings set "${prefix}" "mode" "manual"
-		gsettings set "${prefix}.socks" "host" "localhost"
-		gsettings set "${prefix}.socks" "port" "${port}"
-		;;
+	local value
+	case "${1}" in
+	"on") value="manual" ;;
+	*) value="none" ;;
 	esac
+	gsettings set "org.gnome.system.proxy" "mode" "${value}"
 }
 
 # ╭───────┬─────╮
diff --git a/sh/main.sh b/sh/main.sh
index 40fbf17..802418f 100755
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -84,14 +84,12 @@ rwx_find_shell() {
 # │ main │ ifs │
 # ╰──────┴─────╯
 
-# set internal field separator to line feed
 rwx_ifs_set() {
 	_RWX_IFS="${IFS}"
 	IFS="
 "
 }
 
-# unset internal field separator
 rwx_ifs_unset() {
 	IFS="${_RWX_IFS}"
 	unset RWX_IFS
@@ -101,7 +99,6 @@ rwx_ifs_unset() {
 # │ main │ source │
 # ╰──────┴────────╯
 
-# source code from file path
 rwx_source() {
 	local path="${1}"
 	[ -d "${path}" ] ||
diff --git a/sh/self.sh b/sh/self.sh
index 0a8f33e..732e9c2 100644
--- a/sh/self.sh
+++ b/sh/self.sh
@@ -92,7 +92,7 @@ rwx_self_init() {
 _rwx_cmd_rwx_install() { rwx_self_install "${@}"; }
 rwx_self_install() {
 	local target="${1}"
-	local command file name root
+	local command file root
 	# code
 	if [ -n "${target}" ]; then
 		root="${target}${RWX_ROOT_SYSTEM}"
@@ -101,14 +101,10 @@ rwx_self_install() {
 	fi
 	# commands
 	root="${target}/usr/local/bin"
-	name="${RWX_SELF_NAME}.sh"
-	file="${root}/${name}"
-	rwx_remove "${file}"
-	rwx_link "${file}" "${RWX_MAIN_PATH}"
 	for command in $(rwx_self_commands); do
 		file="${root}/${command}"
 		rwx_remove "${file}"
-		rwx_link "${file}" "${name}"
+		rwx_link "${file}" "${RWX_MAIN_PATH}"
 	done
 	# sh
 	file="${target}/etc/profile.d/${RWX_SELF_NAME}.sh"