update pay function

src/views/AgentChat/neuratalk/components/Chat/MCPChat.tsx

@@ -153,16 +153,28 @@ export default function MCPChat() {
   }
 
   if (!canAccessChat) {
+    const mainAppUrl = process.env.NEXT_PUBLIC_MAIN_APP_URL || 'https://valuefrontier.cn';
     return (
       <div className="flex flex-col items-center justify-center h-screen">
         <h2 className="text-2xl mb-4">需要订阅才能使用 AI 助手</h2>
-        <p className="text-gray-600 mb-6">升级到高级版解锁所有功能</p>
-        <a
-          href={`${process.env.NEXT_PUBLIC_MAIN_APP_URL}/subscription`}
-          className="bg-green-600 text-white px-6 py-2 rounded hover:bg-green-700"
-        >
-          查看订阅方案
-        </a>
+        <p className="text-gray-600 mb-4">升级到高级版解锁所有功能</p>
+        <p className="text-sm text-gray-500 mb-6">
+          当前订阅等级：{user?.subscription_tier || '未知'}
+        </p>
+        <div className="space-y-2">
+          <a
+            href={`${mainAppUrl}/subscription`}
+            className="block bg-green-600 text-white px-6 py-2 rounded hover:bg-green-700"
+          >
+            查看订阅方案
+          </a>
+          <button
+            onClick={() => window.location.reload()}
+            className="block bg-blue-600 text-white px-6 py-2 rounded hover:bg-blue-700"
+          >
+            刷新页面
+          </button>
+        </div>
       </div>
     );
   }