diff --git a/package.json b/package.json
index 3c1e3bb..bdf821e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wechatexplorer",
-  "version": "2.1.1",
+  "version": "2.1.2",
   "description": "macOS / Windows 微信聊天记录查看与 AI 群聊总结助手",
   "keywords": [
     "wechat",
@@ -35,10 +35,12 @@
     "build": "npm run typecheck && npm run build:native-services && electron-vite build",
     "postinstall": "electron-builder install-app-deps && node scripts/prepare-electron-runtime.cjs",
     "build:unpack": "npm run build && electron-builder --config electron-builder.yml --dir",
-    "build:win": "npm run typecheck && npm run build:wechat-connector:win && electron-vite build && electron-builder --config electron-builder.yml --win",
+    "build:win": "npm run typecheck && npm run build:wechat-connector:win && electron-vite build && electron-builder --config electron-builder.yml --win --x64",
     "build:mac:x64": "npm run typecheck && node scripts/build-wechat-connector.cjs --platform darwin --arch x64 && electron-vite build && electron-builder --config electron-builder.yml --mac --x64",
     "build:mac:arm64": "npm run typecheck && node scripts/build-wechat-connector.cjs --platform darwin --arch arm64 && electron-vite build && electron-builder --config electron-builder.yml --mac --arm64",
+    "release": "npm run release:mac && npm run release:win",
     "release:mac": "npm run typecheck && npm run build:wechat-connector:mac && electron-vite build && electron-builder --config electron-builder.yml --mac --x64 --arm64 --publish always",
+    "release:win": "npm run typecheck && npm run build:wechat-connector:win && electron-vite build && electron-builder --config electron-builder.yml --win --x64 --publish always",
     "build:linux": "electron-vite build && electron-builder --config electron-builder.yml --linux"
   },
   "dependencies": {
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
index 2b099af..25882c1 100644
--- a/src/renderer/src/App.tsx
+++ b/src/renderer/src/App.tsx
@@ -23,6 +23,11 @@ import { Contact, Message } from '../../shared/types'
 const SIDEBAR_MIN_WIDTH = 260
 const SIDEBAR_MAX_WIDTH = 380
 
+function getDevelopmentDatabaseKey(): string {
+  if (!import.meta.env.DEV) return ''
+  return String(import.meta.env.VITE_DB_KEY || '').trim()
+}
+
 function EyeIcon({ hidden }: { hidden: boolean }): React.ReactElement {
   return (
     <svg viewBox="0 0 24 24" aria-hidden="true" focusable="false">
@@ -154,7 +159,7 @@ const sortMessagesChronologically = (items: Message[]): Message[] =>
 function App(): React.ReactElement {
   const [isAuthenticated, setIsAuthenticated] = useState(false)
   const [isDatabaseConnected, setIsDatabaseConnected] = useState(false)
-  const [dbKey, setDbKey] = useState(import.meta.env.VITE_DB_KEY || '')
+  const [dbKey, setDbKey] = useState(getDevelopmentDatabaseKey)
   const [contacts, setContacts] = useState<Contact[]>([])
   const [selectedContact, setSelectedContact] = useState<Contact | null>(null)
   const [messages, setMessages] = useState<Message[]>([])
@@ -370,9 +375,9 @@ function App(): React.ReactElement {
         setDbRootInput(settingsResult.settings.dbRoot)
       }
       const autoLoginEnabled = settingsResult.settings.autoLogin
-      // 优先级 1: 构建期环境变量 VITE_DB_KEY（本地开发用）
-      const envKey = String(import.meta.env.VITE_DB_KEY || '').trim()
-      // 优先级 2: 上一次保存到 safeStorage 的密钥
+      // 开发环境允许使用 VITE_DB_KEY；生产安装包只能读取目标电脑自己的 safeStorage。
+      const envKey = getDevelopmentDatabaseKey()
+      // 生产环境以及未配置开发密钥时，读取上一次保存到 safeStorage 的密钥。
       let savedKey = ''
       if (!envKey) {
         const result = await window.api.getSavedDbKey()