diff --git a/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.test.tsx b/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.test.tsx
index c0eb64da..5218874f 100644
--- a/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.test.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.test.tsx
@@ -94,7 +94,8 @@ test('exposes only account and password login on the public sign-in screen', asy
 
   render(<QueryClientProvider client={client}><AuthGate><ProtectedWorkspace onAbort={() => undefined} /></AuthGate></QueryClientProvider>);
 
-  expect(await screen.findByRole('form', { name: '平台账号登录' })).toBeInTheDocument();
+  expect(await screen.findByRole('form', { name: '账号密码登录' })).toBeInTheDocument();
+  expect(screen.getByText('使用管理员为你开通的账号和密码登录。')).toBeInTheDocument();
   expect(screen.getByPlaceholderText('请输入用户名')).toHaveAttribute('autocomplete', 'username');
   expect(screen.getByPlaceholderText('请输入密码')).toHaveAttribute('autocomplete', 'current-password');
   expect(screen.queryByRole('tab')).not.toBeInTheDocument();
diff --git a/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.tsx b/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.tsx
index 168f6bca..c77dc465 100644
--- a/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.tsx
+++ b/vehicle-data-platform/apps/web/src/v2/auth/AuthGate.tsx
@@ -147,12 +147,12 @@ export function AuthGate({ children }: { children: ReactNode }) {
         <footer><IconLock /><Text>账号、车辆与菜单权限全程隔离</Text></footer>
       </section>
       <Card className="v2-auth-card" bodyStyle={{ padding: 0 }}>
-        <form className="v2-auth-form" onSubmit={login} aria-label="平台账号登录">
+        <form className="v2-auth-form" onSubmit={login} aria-label="账号密码登录">
           <header className="v2-auth-form-heading">
             <img className="v2-auth-logo" src="/brand-logo.svg" alt="羚牛智能" />
-            <Tag color="blue" prefixIcon={<IconUser />}>账号权限登录</Tag>
+            <Tag color="blue" prefixIcon={<IconUser />}>账号密码登录</Tag>
             <Title heading={3}>登录车辆数据中台</Title>
-            <Text type="secondary">使用管理员为你开通的账号登录。</Text>
+            <Text type="secondary">使用管理员为你开通的账号和密码登录。</Text>
           </header>
           <div className="v2-auth-fields">
             <label><span>用户名</span><Input autoFocus required autoComplete="username" prefix={<IconUser aria-hidden="true" />} value={username} onChange={setUsername} placeholder="请输入用户名" size="large" /></label>
diff --git a/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts b/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
index 5dec05cb..8a07ec3c 100644
--- a/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
+++ b/vehicle-data-platform/apps/web/src/v2/productionEntry.test.ts
@@ -653,6 +653,8 @@ describe('V2 production entry', () => {
     expect(authGateSource.match(/<PasswordInput/g)).toHaveLength(1);
     expect(authGateSource).not.toContain('<Tabs');
     expect(authGateSource).not.toContain('运维令牌');
+    expect(authGateSource).toContain('aria-label="账号密码登录"');
+    expect(authGateSource).toContain('>账号密码登录</Tag>');
     expect(passwordInputSource).toContain('<Input');
     expect(passwordInputSource).toContain('<Button');
     expect(passwordInputSource).toContain("`${visible ? '隐藏' : '显示'}${visibilityLabel}`");
diff --git a/vehicle-data-platform/apps/web/src/v2/styles/workspace.css b/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
index a9ee6ee0..15205d47 100644
--- a/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
+++ b/vehicle-data-platform/apps/web/src/v2/styles/workspace.css
@@ -5754,7 +5754,7 @@
   font-size: 10px;
 }
 
-/* Semi UI identity workspace: one explicit account and operations entry system. */
+/* Semi UI identity workspace: one explicit account-and-password entry system. */
 .v2-auth-screen:not(.is-session-loading) {
   grid-template-columns: minmax(430px, 1.12fr) minmax(420px, 460px);
   column-gap: clamp(34px, 5vw, 82px);