diff --git a/package.json b/package.json
index b1e5698..d0ccabe 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,9 @@
   "scripts": {
     "dev": "vite --host 0.0.0.0",
     "build": "vite build",
-    "preview": "vite preview"
+    "preview": "vite preview",
+    "version:sync": "node scripts/sync-version.cjs",
+    "version": "npm run version:sync"
   },
   "dependencies": {
     "@capacitor-community/sqlite": "^5.7.2",
diff --git a/scripts/sync-version.cjs b/scripts/sync-version.cjs
new file mode 100644
index 0000000..4b4d0ce
--- /dev/null
+++ b/scripts/sync-version.cjs
@@ -0,0 +1,52 @@
+/* 同步前端 package.json 的版本号到 Android 工程（versionCode / versionName） */
+const fs = require('fs')
+const path = require('path')
+
+const rootDir = path.resolve(__dirname, '..')
+
+const pkgPath = path.join(rootDir, 'package.json')
+const androidGradlePath = path.join(rootDir, 'android', 'app', 'build.gradle')
+
+const readJson = (file) => {
+  const raw = fs.readFileSync(file, 'utf8')
+  return JSON.parse(raw)
+}
+
+const calcVersionCode = (version) => {
+  const [major = 0, minor = 0, patch = 0] = String(version)
+    .split('.')
+    .map((n) => Number.parseInt(n, 10) || 0)
+  // 简单规则：MMmmpp → 1.2.3 => 10203，足够覆盖 0–99 范围
+  return major * 10000 + minor * 100 + patch
+}
+
+const syncAndroidGradle = (version) => {
+  if (!fs.existsSync(androidGradlePath)) {
+    console.warn('[version-sync] 未找到 android/app/build.gradle，跳过 Android 同步')
+    return
+  }
+
+  const versionCode = calcVersionCode(version)
+  let content = fs.readFileSync(androidGradlePath, 'utf8')
+
+  content = content.replace(/versionCode\s+\d+/, `versionCode ${versionCode}`)
+  content = content.replace(/versionName\s+"[^"]+"/, `versionName "${version}"`)
+
+  fs.writeFileSync(androidGradlePath, content)
+  console.log(
+    `[version-sync] Android 已同步：versionName=${version}, versionCode=${versionCode}`,
+  )
+}
+
+const main = () => {
+  const pkg = readJson(pkgPath)
+  const version = pkg.version
+  if (!version) {
+    throw new Error('package.json 中缺少 version 字段')
+  }
+
+  syncAndroidGradle(version)
+}
+
+main()
+