update pay function

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

@@ -138,11 +138,12 @@ export default function MCPChat() {
   }
 
   if (!isAuthenticated) {
+    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">请先登录</h2>
         <a
-          href={`${process.env.NEXT_PUBLIC_MAIN_APP_URL}/auth/sign-in?redirect=/chat`}
+          href={`${mainAppUrl}/auth/sign-in?redirect=/ai-chat`}
           className="bg-blue-600 text-white px-6 py-2 rounded hover:bg-blue-700"
         >
           前往登录

src/views/AgentChat/neuratalk/lib/auth.ts

@@ -22,8 +22,12 @@ export interface AuthInfo {
  */
 export async function checkAuth(): Promise<AuthInfo> {
   try {
+    // 使用硬编码的 URL 作为后备
+    const apiUrl = process.env.NEXT_PUBLIC_API_URL || 'http://49.232.185.254:5001';
+    console.log('API URL:', apiUrl); // 调试日志
+
     // 调用主应用的 session 检查接口
-    const response = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/api/auth/session`, {
+    const response = await fetch(`${apiUrl}/api/auth/session`, {
       credentials: 'include', // 重要：携带 Cookie
       headers: {
         'Content-Type': 'application/json',