diff --git a/makefile b/makefile
index 05cd635..6adc67e 100644
--- a/makefile
+++ b/makefile
@@ -2,4 +2,7 @@ install:
 	deno run --unstable --allow-env --allow-run --allow-read --allow-write ./mapping.ts install
 
 link:
-	deno run --unstable --allow-env --allow-run --allow-read --allow-write ./mapping.ts link
\ No newline at end of file
+	deno run --unstable --allow-env --allow-run --allow-read --allow-write ./mapping.ts link
+
+unlink:
+	deno run --unstable --allow-env --allow-run --allow-read --allow-write ./mapping.ts unlink
\ No newline at end of file
diff --git a/mapping.ts b/mapping.ts
index c641472..bb95693 100755
--- a/mapping.ts
+++ b/mapping.ts
@@ -2,7 +2,7 @@ import { dot, DotOption } from "./scripts/dot.ts";
 
 const common: DotOption = {
   link: {
-    gitconfig: ".gitconfig",
+    ".gitconfig": "gitconfig",
   },
 };
 
@@ -24,23 +24,23 @@ const linux: DotOption = {
   ],
   link: {
     ...common.link,
-    "linux/alacritty": ".config/alacritty",
-    "linux/bin/ufetch": ".local/bin/ufetch",
-    "linux/bspwm": ".config/bspwm",
-    "linux/Code/User/settings.json": ".config/Code/User/settings.json",
-    "linux/dunst": ".config/dunst",
-    "linux/omz": ".config/omz",
-    "linux/picom": ".config/picom",
-    "linux/polybar": ".config/polybar",
-    "linux/rofi": ".config/rofi",
-    "linux/sxhkd": ".config/sxhkd",
-    "linux/fcitx5": ".config/fcitx5",
-    "linux/dconf": ".config/dconf",
-    "linux/bakamplayer.ini": ".config/bakamplayer.ini",
-    "linux/xinitrc": ".xinitrc",
-    "linux/pam_environment": ".pam_environment",
-    "linux/zshrc": ".zshrc",
-    "linux/Xmodmap": ".Xmodmap",
+    ".config/alacritty": "linux/alacritty",
+    ".local/bin/ufetch": "linux/bin/ufetch",
+    ".config/bspwm": "linux/bspwm",
+    ".config/Code/User/settings.json": "linux/Code/User/settings.json",
+    ".config/dunst": "linux/dunst",
+    ".config/omz": "linux/omz",
+    ".config/picom": "linux/picom",
+    ".config/polybar": "linux/polybar",
+    ".config/rofi": "linux/rofi",
+    ".config/sxhkd": "linux/sxhkd",
+    ".config/fcitx5": "linux/fcitx5",
+    ".config/dconf": "linux/dconf",
+    ".config/bakamplayer.ini": "linux/bakamplayer.ini",
+    ".xinitrc": "linux/xinitrc",
+    ".pam_environment": "linux/pam_environment",
+    ".zshrc": "linux/zshrc",
+    ".Xmodmap": "linux/Xmodmap",
   },
 };
 
@@ -49,12 +49,12 @@ const linuxMacbook: DotOption = {
   hostname: "MBP",
   link: {
     ...linux.link,
-    "linux-macbook/dconf": ".config/dconf",
-    "linux-macbook/polybar": ".config/polybar",
-    "linux-macbook/rofi": ".config/rofi",
-    "linux-macbook/sxhkd": ".config/sxhkd",
-    "linux-macbook/pam_environment": ".pam_environment",
-    "linux-macbook/Xresources": ".Xresources",
+    ".config/dconf": "linux-macbook/dconf",
+    ".config/polybar": "linux-macbook/polybar",
+    ".config/rofi": "linux-macbook/rofi",
+    ".config/sxhkd": "linux-macbook/sxhkd",
+    ".pam_environment": "linux-macbook/pam_environment",
+    ".Xresources": "linux-macbook/Xresources",
   },
 };
 
diff --git a/scripts/dot.ts b/scripts/dot.ts
index d526c90..32719fb 100644
--- a/scripts/dot.ts
+++ b/scripts/dot.ts
@@ -30,20 +30,36 @@ export async function dot(args: string[], options: DotOption[]) {
       }
     }
   } else if (flags._[0] === "link" && target.link) {
-    for (const from in target.link) {
+    for (const value in target.link) {
+      const from = target.link[value];
+      const to = `${Deno.env.get("HOME")}/${value}`;
       try {
-        const path = `${Deno.env.get("HOME")}/${target.link[from]}`;
-        if (existsSync(path)) {
+        if (existsSync(to)) {
+          if (Deno.readLinkSync(to) === Deno.realPathSync(from)) continue;
           let i = 0;
-          let mvPath = `${path}.bak`;
-          while (existsSync(mvPath)) mvPath = `${path}.${++i}.bak`;
-          console.log(`${path} does exist. move to ${mvPath}`);
-          moveSync(path, mvPath);
+          let mvPath = `${to}.bak`;
+          while (existsSync(mvPath)) mvPath = `${to}.${++i}.bak`;
+          console.log(`${to} does exist. move to ${mvPath}`);
+          moveSync(to, mvPath);
         }
-        await ensureSymlink(Deno.realPathSync(from), path);
-        console.log(`Link: ${path}`);
+        await ensureSymlink(Deno.realPathSync(from), to);
+        console.log(`Link: ${to}`);
       } catch (err) {
-        throw Error(`${err.message}\nerror link: ${JSON.stringify(from)}`);
+        throw Error(`${err.message}\nerror link: ${to}`);
+      }
+    }
+  } else if (flags._[0] === "unlink" && target.link) {
+    for (const value in target.link) {
+      const from = target.link[value];
+      const to = `${Deno.env.get("HOME")}/${value}`;
+      try {
+        if (existsSync(to)) {
+          if (Deno.readLinkSync(to) !== Deno.realPathSync(from)) continue;
+          Deno.removeSync(to);
+          console.log(`Unlink: ${to}`);
+        }
+      } catch (err) {
+        throw Error(`${err.message}\nerror link: ${to}`);
       }
     }
   }