diff --git a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/manifest.json b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/manifest.json
index 0e705a7d9..89af00587 100644
--- a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/manifest.json
+++ b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/manifest.json
@@ -1,6 +1,6 @@
 {
   "schemaVersion": "agc-skill-pack.v1",
-  "version": "2026-08-26.60",
+  "version": "2026-08-26.61",
   "skills": [
     {
       "name": "agc-unity-editor",
@@ -204,7 +204,7 @@
         "scripts/validate.mjs",
         "scripts/vite.config.xhs-minitool.mjs"
       ],
-      "sha256": "1488810b869df35f1d5283b09b57d1f73b7d56ca6fad74052d141414768a3150"
+      "sha256": "9a4ebd56d9fe30dacacec35ab2af941ea08cffc3764564a6d0331bb251cfc612"
     }
   ]
 }
diff --git a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/SKILL.md b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/SKILL.md
index a2ed38eaa..976cd4881 100644
--- a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/SKILL.md
+++ b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/SKILL.md
@@ -12,8 +12,7 @@ metadata:
   1. 复制 (并按实际情况修改) `scripts/vite.config.xhs-minitool.mjs` 作为vite构建配置, 这个配置保证了产物符合小红书小工具的规范.
   2. 使用 `scripts/validate.mjs` 验证上述配置构建产物目录, 这个脚本实现了一些硬性检查, 此外有一些手动检查项:
      `references/manual-checks.md`
-  3. 使用 `scripts/pack.mjs` 打包成zip; 产物必须是 **项目根**的 `.export/xhs-minitool.zip`, 而 `--zip-out` 相对 cwd
-     解析:所以例如 npm 脚本挂在 `game/` 子工程时写 `../.export/xhs-minitool.zip`
+  3. 使用 `scripts/pack.mjs` 打包成zip; `--zip-out` 默认 **`../.export/xhs-minitool.zip`** (假设 cwd 是 `game/` 子工程, 产物落在 **项目根** `.export/xhs-minitool.zip`; 相对 cwd 解析)
   4. 跑通流程后请把需要的脚本配置复制 (agc_install_skill_resource )到项目里 (以免依赖skill), 并形成最终的打包脚本
 
 * 不干扰正常的web构建
diff --git a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/.pack.test.mjs b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/.pack.test.mjs
index d6af2ef9d..8ed0e67f7 100644
--- a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/.pack.test.mjs
+++ b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/.pack.test.mjs
@@ -81,6 +81,16 @@ test('干净产物目录仍能正常打包', () => {
   assert.ok(existsSync(zipOut), 'zip 未生成');
 });
 
+test('--zip-out 默认 ../.export/xhs-minitool.zip（假设 cwd 是 game/）', () => {
+  const game = join(BASE, 'default-layout', 'game');
+  writeBuiltDir(join('default-layout', 'game', 'dist-xhs-minitool'));
+  assert.equal(packMinitool({ cwd: game }), 0);
+  assert.ok(
+    existsSync(join(BASE, 'default-layout', '.export', 'xhs-minitool.zip')),
+    '默认落点不在项目根的 .export/',
+  );
+});
+
 test('pack 只打 zip，不再改写产物目录', () => {
   const root = writeBuiltDir('no-rewrite');
   // 故意留一份「构建后还没收尾」的 index.html：type=module / crossorigin / 根路径脚本。
diff --git a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/pack.mjs b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/pack.mjs
index 611f58365..47bdc093b 100644
--- a/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/pack.mjs
+++ b/apps/ai-game-creator-shell/src-tauri/resources/agc-skills/vite-export-xhs-minitool/scripts/pack.mjs
@@ -27,17 +27,24 @@ const MIB = 1024 * 1024;
 const ZIP_HARD_LIMIT = 10 * MIB;
 const ZIP_RECOMMENDED = 2 * MIB;
 
+/**
+ * 默认落点：假设 npm 脚本挂在 `game/` 子工程（cwd = `game/`），宿主在**项目根**
+ * `.export/xhs-minitool.zip` 找产物，所以默认写 `../.export/xhs-minitool.zip`。
+ * 脚本挂在项目根 `package.json`（cwd = 项目根）时用 `--zip-out .export/xhs-minitool.zip` 覆盖。
+ */
+const DEFAULT_ZIP_OUT = join('..', '.export', 'xhs-minitool.zip');
+
 const FORBIDDEN_ENTRY =
   /(^|\/)(?:node_modules|\.git)\/|(^|\/)\.DS_Store$|\.map$|(^|\/)(?:vite|webpack|rollup)\.config\.[^/]+$/i;
 
-const USAGE = `用法：node pack.mjs [--vite-built-dir <dir>] --zip-out <path>
+const USAGE = `用法：node pack.mjs [--vite-built-dir <dir>] [--zip-out <path>]
 
 把 vite 构建产物打成根目录带 index.html 的 zip；产物应先由 vite.config.xhs-minitool.mjs 收尾。
 
 --vite-built-dir <dir> vite 的构建输出目录，必须与 vite config 的 build.outDir 一致。默认 dist-xhs-minitool。
                        该目录出现白名单之外的文件类型时直接报错退出并列出文件，不会删除任何文件。
                        本脚本不改写该目录，只读它来打 zip。
---zip-out <path> 落点（例如 AGC 导出面板要求的 .export/xhs-minitool.zip）：
+--zip-out <path> 落点。默认 ${DEFAULT_ZIP_OUT}（假设 cwd 是 game/ 子工程，产物落在项目根的 .export/xhs-minitool.zip）；
                  相对路径按当前工作目录解析，父目录不存在会自动建。`;
 
 /**
@@ -247,16 +254,13 @@ function warnIfWorkdirRelative(cwd, zipPath, zipOut) {
  * @param {{
  *   cwd?: string,
  *   viteBuiltDir?: string,
- *   zipOut: string,
+ *   zipOut?: string,
  * }} options
  */
 export function packMinitool(options = {}) {
-  if (!options.zipOut) {
-    throw new Error('缺少 --zip-out：打包要给出 zip 的落点');
-  }
   const cwd = resolve(options.cwd || process.cwd());
   const viteBuiltDir = resolve(cwd, options.viteBuiltDir || 'dist-xhs-minitool');
-  const zipPath = resolve(cwd, options.zipOut);
+  const zipPath = resolve(cwd, options.zipOut || DEFAULT_ZIP_OUT);
 
   warnIfWorkdirRelative(cwd, zipPath, options.zipOut);
 
@@ -315,14 +319,11 @@ if (isMainModule()) {
   let zipOut;
   try {
     viteBuiltDir = takeFlag('--vite-built-dir');
-    zipOut = takeFlag('--zip-out');
+    zipOut = takeFlag('--zip-out') || DEFAULT_ZIP_OUT;
     // 不认识的参数当场拒绝：否则调用方以为它生效了，产物落到别处还查不出来。
     if (raw.length > 0) {
       throw new Error(`不认识的参数：${raw.join(' ')}`);
     }
-    if (!zipOut) {
-      throw new Error('缺少 --zip-out');
-    }
   } catch (err) {
     console.error(err instanceof Error ? err.message : err);
     console.error(USAGE);