diff --git a/package.json b/package.json
index e7ac811f0..3e8519430 100644
--- a/package.json
+++ b/package.json
@@ -220,6 +220,9 @@
     "*.{js,mjs,cjs,ts,tsx}": [
       "node scripts/lint-staged-eslint.mjs",
       "prettier --write"
+    ],
+    "*.rs": [
+      "node scripts/lint-staged-rustfmt.mjs"
     ]
   },
   "devDependencies": {
diff --git a/scripts/lint-staged-rustfmt.mjs b/scripts/lint-staged-rustfmt.mjs
new file mode 100644
index 000000000..09aea7574
--- /dev/null
+++ b/scripts/lint-staged-rustfmt.mjs
@@ -0,0 +1,32 @@
+import { spawnSync } from 'node:child_process';
+import process from 'node:process';
+
+// lint-staged 会把命中的暂存文件路径追加到命令末尾，而 `cargo fmt` 只按 workspace 粒度格式化、
+// 不接受文件参数（也做不到「只格式化某个文件」），所以这里忽略 argv，直接对两个 workspace 跑
+// `--check`。只查不改：pre-commit 不应该自动改写别人正在改的 Rust 文件。
+const workspaces = [
+  'server-rs/Cargo.toml',
+  'apps/ai-game-creator-shell/src-tauri/Cargo.toml',
+];
+
+for (const manifestPath of workspaces) {
+  const result = spawnSync(
+    'cargo',
+    ['fmt', '--all', '--manifest-path', manifestPath, '--', '--check'],
+    { stdio: 'inherit', shell: process.platform === 'win32' },
+  );
+  if (result.error) {
+    process.stderr.write(
+      `Rust 格式检查无法执行：${manifestPath}: ${result.error.message}\n`,
+    );
+    process.exit(1);
+  }
+  if (result.status !== 0) {
+    process.stderr.write(
+      `Rust 格式检查未通过：${manifestPath}\n` +
+        `本地复现：npm run check:rustfmt\n` +
+        `自动修复：cargo fmt --all --manifest-path ${manifestPath}\n`,
+    );
+    process.exit(result.status ?? 1);
+  }
+}