diff --git a/.github/workflows/deploy-website.yml b/.github/workflows/deploy-website.yml
index 11e65e5..dee02d8 100644
--- a/.github/workflows/deploy-website.yml
+++ b/.github/workflows/deploy-website.yml
@@ -63,7 +63,7 @@ jobs:
 
       - name: Verify Cloudflare authentication
         if: ${{ env.CLOUDFLARE_API_TOKEN != '' && env.CLOUDFLARE_ACCOUNT_ID != '' }}
-        run: pnpm dlx wrangler@4.118.0 whoami
+        run: node website/scripts/check-pages-auth.mjs
 
       - name: Deploy to Cloudflare Pages
         if: ${{ env.CLOUDFLARE_API_TOKEN != '' && env.CLOUDFLARE_ACCOUNT_ID != '' }}
diff --git a/website/DEPLOYMENT.md b/website/DEPLOYMENT.md
index dd7f8ae..70d699a 100644
--- a/website/DEPLOYMENT.md
+++ b/website/DEPLOYMENT.md
@@ -104,7 +104,7 @@ website/dist
 2. 构建 Astro 静态站。
 3. 执行 `pnpm check:website`。
 4. 执行 Astro 类型检查、七语构建页面检查和下载逻辑测试；PR 阶段也执行相同门禁。
-5. 使用 `wrangler whoami` 验证部署授权，再通过 Direct Upload 部署到 Pages 项目 `goagent`。
+5. 通过 Cloudflare API 读取当前账号下的 `goagent` Pages 项目以验证授权，再通过 Direct Upload 部署。此检查不依赖 `wrangler whoami` 的账号列表权限，不为部署扩大 Token 权限；授权失败仍会阻止上传。
 
 Cloudflare Pages 项目当前是 Direct Upload 项目，不依赖 Pages 控制台的 Git 绑定。自动部署需要 GitHub 仓库 secrets：
 
diff --git a/website/scripts/check-pages-auth.mjs b/website/scripts/check-pages-auth.mjs
new file mode 100644
index 0000000..3e6370b
--- /dev/null
+++ b/website/scripts/check-pages-auth.mjs
@@ -0,0 +1,34 @@
+import { pathToFileURL } from 'node:url'
+
+export async function checkPagesAuth({ accountId, token, fetcher = fetch }) {
+  if (!/^[a-f0-9]{32}$/i.test(accountId || '') || !token?.trim()) {
+    throw new Error('Cloudflare deployment credentials are missing or malformed.')
+  }
+  let response
+  let payload
+  try {
+    response = await fetcher(`https://api.cloudflare.com/client/v4/accounts/${accountId}/pages/projects/goagent`, {
+      headers: { Authorization: `Bearer ${token}`, Accept: 'application/json' },
+      redirect: 'error',
+      signal: AbortSignal.timeout(15000)
+    })
+    payload = await response.json()
+  } catch {
+    // Never surface raw network errors or API bodies which can contain account information.
+    throw new Error('Cloudflare Pages authorization check could not be completed.')
+  }
+  if (!response.ok || payload.success !== true || payload.result?.name !== 'goagent') {
+    throw new Error(`Cloudflare Pages authorization failed (HTTP ${response.status}). Check the existing project-scoped deployment token.`)
+  }
+  return true
+}
+
+if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
+  try {
+    await checkPagesAuth({ accountId: process.env.CLOUDFLARE_ACCOUNT_ID, token: process.env.CLOUDFLARE_API_TOKEN })
+    console.log('Cloudflare Pages authorization verified for goagent.')
+  } catch (error) {
+    console.error(error.message)
+    process.exitCode = 1
+  }
+}
diff --git a/website/tests/pages-auth.test.mjs b/website/tests/pages-auth.test.mjs
new file mode 100644
index 0000000..d3c9f91
--- /dev/null
+++ b/website/tests/pages-auth.test.mjs
@@ -0,0 +1,33 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { checkPagesAuth } from '../scripts/check-pages-auth.mjs'
+
+const credentials = { accountId: 'a'.repeat(32), token: 'test-only-token' }
+
+test('Pages authorization uses only the configured account and existing project', async () => {
+  let requests = 0
+  assert.equal(await checkPagesAuth({ ...credentials, fetcher: async (url, options) => {
+    requests++
+    assert.equal(url, `https://api.cloudflare.com/client/v4/accounts/${credentials.accountId}/pages/projects/goagent`)
+    assert.equal(options.headers.Authorization, 'Bearer test-only-token')
+    assert.equal(options.redirect, 'error')
+    assert.ok(options.signal instanceof AbortSignal)
+    return { ok: true, status: 200, json: async () => ({ success: true, result: { name: 'goagent' } }) }
+  } }), true)
+  assert.equal(requests, 1)
+})
+
+test('Pages authorization rejects missing credentials before any request', async () => {
+  await assert.rejects(checkPagesAuth({ accountId: '', token: '', fetcher: () => assert.fail('must not call') }), /missing or malformed/)
+})
+
+test('Pages authorization rejects denied, malformed and wrong-project responses', async () => {
+  for (const [status, payload] of [[403, { success: false }], [200, { success: false }], [200, { success: true, result: { name: 'another-project' } }]]) {
+    await assert.rejects(checkPagesAuth({ ...credentials, fetcher: async () => ({ ok: status === 200, status, json: async () => payload }) }), /authorization failed/)
+  }
+})
+
+test('Pages authorization does not expose raw network errors or response bodies', async () => {
+  await assert.rejects(checkPagesAuth({ ...credentials, fetcher: async () => { throw new Error(credentials.token) } }), error => !error.message.includes(credentials.token))
+  await assert.rejects(checkPagesAuth({ ...credentials, fetcher: async () => ({ ok: false, status: 401, json: async () => ({ success: false, errors: [credentials.token] }) }) }), error => !error.message.includes(credentials.token))
+})