diff --git a/package-lock.json b/package-lock.json
index 80494a3..8381ef3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "pretzel",
-  "version": "0.5.2",
+  "version": "0.6.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -1402,11 +1402,6 @@
       "integrity": "sha512-lIbgIIQA3lz5XaB6vxakj6sDHADJiZadYEJB+FgA+C4nubM1NwcuvUr9EJPmnH1skZqpqUzWborWo8EIUi0Sdw==",
       "dev": true
     },
-    "hotkeys-js": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/hotkeys-js/-/hotkeys-js-3.1.1.tgz",
-      "integrity": "sha512-NiYkwvXMNwRho2cKJN5QSMLUvvDytBKZYaqhIF+PDznG0dLOq2siVql3R0IzDXy5yISObHHb4JbwrTw5TOI7Fg=="
-    },
     "http-signature": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
diff --git a/package.json b/package.json
index 0a10d54..dd1b89b 100644
--- a/package.json
+++ b/package.json
@@ -9,18 +9,17 @@
     "start": "electron .",
     "package": "build",
     "publish": "build -p always",
-    "build:mac":
-      "electron-packager . Pretzel --platform=darwin --arch=x64 --asar  --icon='./build/icon.icns' --osx-sign",
-    "build:win":
-      "electron-packager . Pretzel --platform=win32 --arch=x64 --asar  --icon=icon.ico",
-    "build:linux":
-      "electron-packager . Pretzel --platform=linux --arch=x64 --asar  --icon=icon.ico"
+    "build:mac": "electron-packager . Pretzel --platform=darwin --arch=x64 --asar  --icon='./build/icon.icns' --osx-sign",
+    "build:win": "electron-packager . Pretzel --platform=win32 --arch=x64 --asar  --icon=icon.ico",
+    "build:linux": "electron-packager . Pretzel --platform=linux --arch=x64 --asar  --icon=icon.ico"
   },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/amiechen/pretzel.git"
   },
-  "keywords": ["shortcuts"],
+  "keywords": [
+    "shortcuts"
+  ],
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/amiechen/pretzel/issues"
@@ -29,7 +28,6 @@
   "dependencies": {
     "electron-settings": "^3.1.4",
     "electron-updater": "^2.21.3",
-    "hotkeys-js": "^3.1.1",
     "js-yaml": "^3.11.0",
     "menubar": "^5.2.3",
     "objc": "^0.12.0",
@@ -41,7 +39,11 @@
   },
   "build": {
     "appId": "com.Hyperyolo.Pretzel",
-    "files": ["**/*", "!screenshot/${/*}", "!docs${/*}"],
+    "files": [
+      "**/*",
+      "!screenshot/${/*}",
+      "!docs${/*}"
+    ],
     "copyright": "Copyright © Amie Chen"
   }
 }
diff --git a/renderer.js b/renderer.js
index 9abec28..13cfdfc 100644
--- a/renderer.js
+++ b/renderer.js
@@ -4,7 +4,6 @@ const fs = require("fs");
 // third party
 const { ipcRenderer, remote, shell } = require("electron");
 const yaml = require("js-yaml");
-const hotkeys = require("hotkeys-js");
 const setting = require("./setting");
 // variables
 const appName = get(".app-name");