diff --git a/package.json b/package.json
index afaa31c..e56231a 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
     "dev:stop": "taskkill /f /im vite.exe",
     "dev:restart": "npm run dev:stop && npm run dev",
     "build": "vue-tsc --noEmit && vite build",
+    "check:i18n": "node scripts/check-i18n.cjs",
     "preview": "vite preview",
     "test:e2e": "playwright test",
     "tauri": "tauri",
diff --git a/scripts/check-i18n.cjs b/scripts/check-i18n.cjs
new file mode 100644
index 0000000..dc8aaa2
--- /dev/null
+++ b/scripts/check-i18n.cjs
@@ -0,0 +1,66 @@
+// vue-i18n 消息预检:揪出只在 **prod runtime** 抛错的未转义特殊字符(字面 @ / | / 裸 {})。
+//
+// 背景:vue-i18n 9 把 message 里的字面 `@` 当 linked-message 语法、`|` 当 plural 分隔符,
+// 未转义会编译报 "Invalid linked format"。该错误 dev 宽松回退、`vue-tsc` 捕获不到(message 是
+// 字符串值非类型),只在打包装出的应用里炸——已两次踩坑(2026-06-15 白屏 / 2026-10-10 输入框消失),
+// 且两次静态检查全绿。故前置到提交门禁 + 可手动跑:`node scripts/check-i18n.cjs`
+//
+// 修法:字面量用 vue-i18n 的插值转义,如 `{'@'}`(渲染仍显示 @)。
+//
+// 依赖 @intlify/message-compiler(vue-i18n 的编译器);解析不到时只告警不拦截(避免门禁误伤)。
+const fs = require('fs');
+const path = require('path');
+
+let baseCompile;
+try {
+  ({ baseCompile } = require('@intlify/message-compiler'));
+} catch {
+  console.warn('[i18n-check] 未找到 @intlify/message-compiler,跳过消息编译预检(需 npm 依赖)');
+  process.exit(0);
+}
+
+const DIRS = ['src/i18n/zh-CN', 'src/i18n/en'];
+// key: 'value' / key: "value"(带转义),仅取字符串字面量值
+const KV_RE = /(?:^|[\s,{])([A-Za-z0-9_$]+)\s*:\s*(['"])((?:\\.|(?!\2).)*)\2/gm;
+
+let checked = 0;
+let failed = 0;
+for (const dir of DIRS) {
+  let files;
+  try {
+    files = fs.readdirSync(dir);
+  } catch {
+    continue;
+  }
+  for (const f of files) {
+    if (!f.endsWith('.ts')) continue;
+    const txt = fs.readFileSync(path.join(dir, f), 'utf8');
+    KV_RE.lastIndex = 0;
+    let m;
+    while ((m = KV_RE.exec(txt))) {
+      const key = m[1];
+      const val = m[3];
+      // 只编译含 vue-i18n 特殊字符的值(@ { |),其余不可能因语法报错
+      if (!/[@{|]/.test(val)) continue;
+      checked++;
+      const errs = [];
+      try {
+        baseCompile(val, { onError: (e) => errs.push(e), onWarn: () => {} });
+      } catch (e) {
+        errs.push(e);
+      }
+      if (errs.length) {
+        failed++;
+        console.error(`✗ ${dir}/${f} :: ${key} => ${errs[0].message}`);
+        console.error(`    值: ${JSON.stringify(val)}`);
+        console.error(`    提示: 字面 @ 须转义为 {'@'}(同理 | 与裸 {})`);
+      }
+    }
+  }
+}
+
+if (failed > 0) {
+  console.error(`[i18n-check] 失败 ${failed} 处(共编译 ${checked} 个含特殊字符的值)——prod 运行时会抛 Invalid linked format`);
+  process.exit(1);
+}
+console.log(`[i18n-check] 通过(编译 ${checked} 个含特殊字符的值,0 失败)`);
diff --git a/scripts/hooks/rules/i18n-special-chars.sh b/scripts/hooks/rules/i18n-special-chars.sh
new file mode 100644
index 0000000..0637004
--- /dev/null
+++ b/scripts/hooks/rules/i18n-special-chars.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+# i18n 消息特殊字符门禁(机制优先):暂存区含 src/i18n/ 改动时,跑 vue-i18n 消息编译预检。
+# 背景:字面 @ / | / 裸 {} 未转义只在 prod runtime 抛 "Invalid linked format",dev 宽松、
+# vue-tsc 捕获不到,已两次导致生产回归(2026-06-15 白屏 / 2026-10-10 输入框消失)。
+# 修法:字面量转义为 {'@'} 等；详见 scripts/check-i18n.cjs
+git diff --cached --name-only | grep -q '^src/i18n/' || exit 0
+command -v node >/dev/null 2>&1 || exit 0
+node scripts/check-i18n.cjs || {
+  echo "✗ [i18n] 消息含未转义特殊字符(prod 运行时会报 Invalid linked format)"
+  echo "  字面 @ 改写为 {'@'}(同理 | 与裸 {});本机可先跑 node scripts/check-i18n.cjs"
+  exit 1
+}
+exit 0