diff --git a/docs/operations.md b/docs/operations.md
index 0bd122b4b..1c70beaba 100644
--- a/docs/operations.md
+++ b/docs/operations.md
@@ -54,6 +54,15 @@ curl -I --max-time 30 "http://127.0.0.1:3001/api/featured?page=1&pageSize=24"
 
 ## 路由回归烟测
 
+推荐使用脚本化检查：
+
+```bash
+AUTH_TRUST_HOST=true PORT=3001 pnpm dev
+SMOKE_BASE_URL=http://127.0.0.1:3001 pnpm smoke:routes
+```
+
+手动检查等价命令：
+
 ```bash
 curl -I http://127.0.0.1:3001/
 curl -I http://127.0.0.1:3001/classic
diff --git a/package.json b/package.json
index 8731ae585..39b3f290c 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "start": "next start",
     "lint": "npx ultracite@latest check",
     "check:logs": "node scripts/check-log-hygiene.mjs && tsx scripts/check-log-redaction.ts",
+    "smoke:routes": "node scripts/smoke-routes.mjs",
     "format": "npx ultracite@latest fix",
     "db:generate": "drizzle-kit generate",
     "db:migrate": "npx tsx lib/db/migrate.ts",
diff --git a/scripts/smoke-routes.mjs b/scripts/smoke-routes.mjs
new file mode 100644
index 000000000..4437d2f2a
--- /dev/null
+++ b/scripts/smoke-routes.mjs
@@ -0,0 +1,124 @@
+#!/usr/bin/env node
+
+const DEFAULT_BASE_URL = `http://127.0.0.1:${process.env.PORT || "3001"}`;
+const BASE_URL = stripTrailingSlash(
+  process.env.SMOKE_BASE_URL || process.argv[2] || DEFAULT_BASE_URL
+);
+const REQUEST_TIMEOUT_MS = Number(process.env.SMOKE_TIMEOUT_MS || 20_000);
+
+const checks = [
+  {
+    path: "/",
+    method: "HEAD",
+    expect: { status: [200] },
+  },
+  {
+    path: "/classic",
+    method: "HEAD",
+    expect: { status: [307, 308], location: "/" },
+  },
+  {
+    path: "/chat/test-id",
+    method: "HEAD",
+    expect: { status: [307, 308], location: "/" },
+  },
+  {
+    path: "/settings",
+    method: "HEAD",
+    expect: {
+      status: [307, 308],
+      location: "/login?callbackUrl=%2Fsettings",
+    },
+  },
+];
+
+let hasFailure = false;
+
+for (const check of checks) {
+  const result = await runCheck(check);
+  if (!result.ok) {
+    hasFailure = true;
+    console.error(`FAIL ${check.method} ${check.path} - ${result.message}`);
+    continue;
+  }
+
+  console.log(`PASS ${check.method} ${check.path} - ${result.message}`);
+}
+
+if (hasFailure) {
+  process.exit(1);
+}
+
+async function runCheck(check) {
+  const startedAt = Date.now();
+  const url = `${BASE_URL}${check.path}`;
+
+  try {
+    const response = await fetch(url, {
+      method: check.method,
+      redirect: "manual",
+      headers: {
+        "user-agent": "Codex Route Smoke Check",
+      },
+      signal: AbortSignal.timeout(REQUEST_TIMEOUT_MS),
+    });
+    const durationMs = Date.now() - startedAt;
+    const location = response.headers.get("location");
+
+    if (!check.expect.status.includes(response.status)) {
+      return {
+        ok: false,
+        message: `expected status ${check.expect.status.join(
+          "/"
+        )}, got ${response.status} in ${durationMs}ms`,
+      };
+    }
+
+    if (
+      check.expect.location &&
+      !matchesLocation(location, check.expect.location)
+    ) {
+      return {
+        ok: false,
+        message: `expected location ${check.expect.location}, got ${
+          location || "<empty>"
+        } in ${durationMs}ms`,
+      };
+    }
+
+    const redirectMessage = check.expect.location
+      ? `, location ${check.expect.location}`
+      : "";
+
+    return {
+      ok: true,
+      message: `status ${response.status}${redirectMessage} in ${durationMs}ms`,
+    };
+  } catch (error) {
+    return {
+      ok: false,
+      message: error instanceof Error ? error.message : String(error),
+    };
+  }
+}
+
+function matchesLocation(actual, expected) {
+  if (!actual) {
+    return false;
+  }
+
+  if (actual === expected) {
+    return true;
+  }
+
+  try {
+    const actualUrl = new URL(actual, BASE_URL);
+    return `${actualUrl.pathname}${actualUrl.search}` === expected;
+  } catch {
+    return false;
+  }
+}
+
+function stripTrailingSlash(value) {
+  return value.endsWith("/") ? value.slice(0, -1) : value;
+}