diff --git a/apps/web/src/components/business/QuotaDisplay.tsx b/apps/web/src/components/business/QuotaDisplay.tsx
index 0c1a2bb3b..ca44d67f1 100644
--- a/apps/web/src/components/business/QuotaDisplay.tsx
+++ b/apps/web/src/components/business/QuotaDisplay.tsx
@@ -4,7 +4,18 @@
 import React from 'react';
 import { Card, Progress, Row, Col, Tag, Space } from 'antd';
 import { ProjectOutlined, CloudOutlined, WarningOutlined } from '@ant-design/icons';
-import type { QuotaStatus } from '@/api/subscription';
+interface QuotaStatus {
+  projects: {
+    used: number;
+    limit: number;
+    status: string;
+  };
+  storage: {
+    used_gb: number;
+    limit_gb: number;
+    status: string;
+  };
+}
 
 interface QuotaDisplayProps {
   quota: QuotaStatus;
diff --git a/apps/web/src/pages/subscription/UpgradeSubscription.tsx b/apps/web/src/pages/subscription/UpgradeSubscription.tsx
index 06aaed24e..d784866aa 100644
--- a/apps/web/src/pages/subscription/UpgradeSubscription.tsx
+++ b/apps/web/src/pages/subscription/UpgradeSubscription.tsx
@@ -1,140 +1,30 @@
-/**
- * 订阅升级流程页面
- */
-import React, { useState } from 'react';
-import { useParams, useNavigate } from 'react-router-dom';
-import { Card, Steps, Button, Result, Descriptions, message } from 'antd';
-import { useMutation, useQueryClient } from '@tanstack/react-query';
-import { upgradeSubscription } from '@/api/subscription';
+import React from 'react';
+import { Button, Card, Result } from 'antd';
+import { useNavigate, useParams } from 'react-router-dom';
 
 const UpgradeSubscription: React.FC = () => {
   const { workspaceId } = useParams<{ workspaceId: string }>();
   const navigate = useNavigate();
-  const queryClient = useQueryClient();
-  const [current, setCurrent] = useState(0);
-  const [selectedPlan, setSelectedPlan] = useState<'pro' | 'enterprise'>('pro');
-
-  const upgradeMutation = useMutation({
-    mutationFn: () => upgradeSubscription(workspaceId!, selectedPlan),
-    onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ['workspace', workspaceId] });
-      setCurrent(2);
-      message.success('订阅升级成功！');
-    },
-    onError: (error: any) => {
-      message.error(error.response?.data?.message || '升级失败');
-    },
-  });
-
-  const steps = [
-    {
-      title: '选择套餐',
-      content: (
-        <div>
-          <Card
-            style={{ marginBottom: 16, cursor: 'pointer' }}
-            onClick={() => setSelectedPlan('pro')}
-            className={selectedPlan === 'pro' ? 'selected-plan' : ''}
-          >
-            <h3>Pro 套餐</h3>
-            <p>¥99/月</p>
-            <ul>
-              <li>无限项目</li>
-              <li>100GB 存储</li>
-              <li>20 个成员</li>
-            </ul>
-          </Card>
-          <Card
-            style={{ cursor: 'pointer' }}
-            onClick={() => setSelectedPlan('enterprise')}
-            className={selectedPlan === 'enterprise' ? 'selected-plan' : ''}
-          >
-            <h3>Enterprise 套餐</h3>
-            <p>¥999/月</p>
-            <ul>
-              <li>无限项目</li>
-              <li>1TB 存储</li>
-              <li>无限成员</li>
-              <li>专属支持</li>
-            </ul>
-          </Card>
-        </div>
-      ),
-    },
-    {
-      title: '确认订单',
-      content: (
-        <Card>
-          <Descriptions column={1}>
-            <Descriptions.Item label="套餐">
-              {selectedPlan === 'pro' ? 'Pro' : 'Enterprise'}
-            </Descriptions.Item>
-            <Descriptions.Item label="价格">
-              {selectedPlan === 'pro' ? '¥99' : '¥999'} / 月
-            </Descriptions.Item>
-            <Descriptions.Item label="支付方式">
-              在线支付（待接入）
-            </Descriptions.Item>
-          </Descriptions>
-        </Card>
-      ),
-    },
-    {
-      title: '完成',
-      content: (
-        <Result
-          status="success"
-          title="升级成功！"
-          subTitle="您的订阅已升级，新配额已生效。"
-          extra={[
-            <Button
-              type="primary"
-              key="workspace"
-              onClick={() => navigate(`/workspaces/${workspaceId}`)}
-            >
-              返回工作空间
-            </Button>,
-          ]}
-        />
-      ),
-    },
-  ];
-
-  const next = () => {
-    if (current === 0) {
-      setCurrent(current + 1);
-    } else if (current === 1) {
-      upgradeMutation.mutate();
-    }
-  };
-
-  const prev = () => {
-    setCurrent(current - 1);
-  };
 
   return (
     <div style={{ padding: '24px' }}>
-      <h1>升级订阅</h1>
-      <Steps current={current} items={steps} style={{ marginBottom: 24 }} />
-      <div>{steps[current].content}</div>
-      <div style={{ marginTop: 24 }}>
-        {current < steps.length - 1 && (
-          <>
-            {current > 0 && (
-              <Button style={{ marginRight: 8 }} onClick={prev}>
-                上一步
+      <Card>
+        <Result
+          status="info"
+          title="订阅升级暂未开放"
+          subTitle="当前版本未接入订阅、支付和配额变更后端服务。为避免假成功或调用不存在的接口，此入口已暂时关闭。"
+          extra={[
+            <Button key="plans" onClick={() => navigate('/subscription')}>
+              查看套餐说明
+            </Button>,
+            workspaceId ? (
+              <Button key="workspace" type="primary" onClick={() => navigate(`/workspaces/${workspaceId}`)}>
+                返回工作空间
               </Button>
-            )}
-            <Button
-              type="primary"
-              onClick={next}
-              loading={upgradeMutation.isPending}
-            >
-              {current === 1 ? '确认升级' : '下一步'}
-            </Button>
-          </>
-        )}
-      </div>
+            ) : null,
+          ]}
+        />
+      </Card>
     </div>
   );
 };
diff --git a/tests/unit/test_release_scripts.py b/tests/unit/test_release_scripts.py
index 1774813a5..f2bf950e0 100644
--- a/tests/unit/test_release_scripts.py
+++ b/tests/unit/test_release_scripts.py
@@ -121,6 +121,19 @@ def test_web_dockerfile_uses_reachable_base_image_mirror():
     assert "FROM nginx:alpine" not in dockerfile
 
 
+def test_subscription_api_is_not_wired_to_ui_until_backend_exists():
+    source_files = list(Path("apps/web/src").rglob("*.ts")) + list(Path("apps/web/src").rglob("*.tsx"))
+    importers = []
+    for path in source_files:
+        if path.as_posix().endswith("apps/web/src/api/subscription.ts"):
+            continue
+        text = path.read_text(encoding="utf-8")
+        if "@/api/subscription" in text or "../api/subscription" in text:
+            importers.append(path.as_posix())
+
+    assert importers == []
+
+
 def test_backup_postgres_writes_manifest_and_version():
     script = Path("scripts/backup_postgres.sh").read_text(encoding="utf-8")