diff --git a/main.js b/main.js
index 16d07ff..26d8c5c 100644
--- a/main.js
+++ b/main.js
@@ -11,10 +11,7 @@ if (process.platform === 'win32') {
 
 let mainWindow
 
-const portableDir = process.env.PORTABLE_EXECUTABLE_DIR
-const configDir = portableDir
-  ? path.join(portableDir, 'data')
-  : path.join(app.getPath('appData'), 'classroom-assistant', 'ca')
+const configDir = path.join(app.getPath('appData'), 'classroom-assistant', 'ca')
 const configPath = path.join(configDir, 'memory.ini')
 const settingsPath = path.join(configDir, 'setting.ini')
 const goodRandomPath = path.join(configDir, 'goodrandom.json')
diff --git a/package.json b/package.json
index fa8582a..30b406d 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,7 @@
     "start": "electron .",
     "build": "electron-builder",
     "build:win": "electron-builder --win",
-    "build:win7": "electron-builder --win --config.win.target=nsis",
-    "build:portable": "electron-builder --win portable --config.win.target=portable"
+    "build:win7": "electron-builder --win --config.win.target=nsis"
   },
   "keywords": [
     "electron",
@@ -47,9 +46,6 @@
       "createDesktopShortcut": true,
       "createStartMenuShortcut": true,
       "shortcutName": "课堂小助手"
-    },
-    "portable": {
-      "artifactName": "课堂小助手-${version}-便携版.exe"
     }
   },
   "dependencies": {