diff --git a/README.md b/README.md
index b1669a7..a7b1904 100644
--- a/README.md
+++ b/README.md
@@ -323,6 +323,12 @@ npm run dist:portable   # 只做免安裝單檔
 npm run pack            # 只產 win-unpacked 資料夾，最快，改程式時驗證用
 ```
 
+> **版號會自動遞增**
+> `dist` 與 `dist:portable` 都掛了 `pre` 腳本執行 `npm version patch --no-git-tag-version`，
+> 每次打包 patch 版號自動 +1。**產物檔名帶版號，同版號重包會讓人分不清手上是哪一份**，
+> 所以不要繞過這個機制。要改 minor / major 就先手動 `npm version minor --no-git-tag-version`。
+> `pack` 不遞增（它只產 `win-unpacked` 供開發驗證，不是散布用的檔案）。
+
 產物在 `dist\`：
 
 | 檔案 | 大小 | 說明 |
diff --git a/package.json b/package.json
index 817d4fe..93cd8b9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "claude-pet",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "description": "Codex Pets 相容的 Claude Code 桌面寵物（spriteVersionNumber 2：9 個動作列 + 16 方向追視）",
   "main": "main.js",
   "private": true,
@@ -11,8 +11,10 @@
     "autostart:install": "node scripts/autostart.js install",
     "autostart:uninstall": "node scripts/autostart.js uninstall",
     "autostart:status": "node scripts/autostart.js status",
+    "predist": "npm version patch --no-git-tag-version",
     "dist": "electron-builder --win",
     "pack": "electron-builder --win --dir",
+    "predist:portable": "npm version patch --no-git-tag-version",
     "dist:portable": "electron-builder --win portable"
   },
   "devDependencies": {