diff --git a/app/components/auth/SubscriptionDialog.tsx b/app/components/auth/SubscriptionDialog.tsx
index bbca148..510cf0e 100644
--- a/app/components/auth/SubscriptionDialog.tsx
+++ b/app/components/auth/SubscriptionDialog.tsx
@@ -3,21 +3,13 @@ import { useState, useEffect, useCallback } from 'react';
 import { useAuth } from '~/hooks/useAuth';
 import { toast } from 'react-toastify';
 import { PaymentModal } from './PaymentModal';
+import type { SubscriptionPlan } from '~/types/subscription';
 
 interface SubscriptionDialogProps {
   isOpen: boolean;
   onClose: () => void;
 }
 
-interface SubscriptionPlan {
-  _id: number;
-  name: string;
-  tokens: number;
-  price: number;
-  description: string;
-  save_percentage?: number;
-}
-
 interface UserSubscription {
   plan: SubscriptionPlan;
   tokensLeft: number;
@@ -39,6 +31,12 @@ interface PaymentResponse {
   return_url: string;
 }
 
+interface PurchaseResponse {
+  success: boolean;
+  paymentData?: PaymentResponse;
+  error?: string;
+}
+
 export function SubscriptionDialog({ isOpen, onClose }: SubscriptionDialogProps) {
   const [billingCycle, setBillingCycle] = useState<'monthly' | 'yearly'>('monthly');
   const [subscriptionPlans, setSubscriptionPlans] = useState<SubscriptionPlan[]>([]);
@@ -48,31 +46,33 @@ export function SubscriptionDialog({ isOpen, onClose }: SubscriptionDialogProps)
   const [paymentData, setPaymentData] = useState<PaymentResponse | null>(null);
 
   useEffect(() => {
-    if (isOpen && user) {
+    if (isOpen) {
       fetchSubscriptionData();
     }
-  }, [isOpen, user]);
+  }, [isOpen]);
 
   const fetchSubscriptionData = async () => {
     setIsLoading(true);
     try {
-      const [plansResponse, userSubResponse] = await Promise.all([
-        fetch('/api/subscription-plans'),
-        fetch('/api/user-subscription')
-      ]);
-      const plans = await plansResponse.json();
-      const userSub = await userSubResponse.json();
-      setSubscriptionPlans(plans);
+      const response = await fetch('/api/subscription-plans');
+      if (!response.ok) {
+        throw new Error('获取订阅计划失败');
+      }
+      const data = await response.json() as SubscriptionPlan[];
+      setSubscriptionPlans(data);
+
+      const userSubResponse = await fetch('/api/user-subscription');
+      const userSub = await userSubResponse.json() as UserSubscription;
       setUserSubscription(userSub);
     } catch (error) {
-      console.error('Error fetching subscription data:', error);
-      toast.error('获取订阅信息失败,请稍后重试。');
+      console.error('获取订阅数据时出错:', error);
+      toast.error('获取订阅信息失败，请稍后再试');
     } finally {
       setIsLoading(false);
     }
   };
 
-  const handlePurchase = async (planId: number) => {
+  const handlePurchase = async (planId: string) => {
     try {
       const response = await fetch('/api/purchase-subscription', {
         method: 'POST',
@@ -84,11 +84,11 @@ export function SubscriptionDialog({ isOpen, onClose }: SubscriptionDialogProps)
           billingCycle,
         }),
       });
-      const result = await response.json();
-      if (response.ok && result.paymentData) {
+      const result = await response.json() as PurchaseResponse;
+      if (response.ok && result.success && result.paymentData) {
         setPaymentData(result.paymentData);
       } else {
-        toast.error(result.message || '获取支付信息失败,请稍后重试。');
+        toast.error(result.error || '获取支付信息失败,请稍后重试。');
       }
     } catch (error) {
       console.error('Error initiating purchase:', error);
@@ -101,6 +101,19 @@ export function SubscriptionDialog({ isOpen, onClose }: SubscriptionDialogProps)
     toast.success('订阅成功！');
   }, [fetchSubscriptionData]);
 
+  // 类型守卫函数
+  function isSubscriptionPlan(plan: any): plan is SubscriptionPlan {
+    return (
+      typeof plan === 'object' &&
+      typeof plan._id === 'string' &&
+      typeof plan.name === 'string' &&
+      typeof plan.tokens === 'number' &&
+      typeof plan.price === 'number' &&
+      typeof plan.description === 'string' &&
+      (plan.save_percentage === null || typeof plan.save_percentage === 'number')
+    );
+  }
+
   if (!user || isLoading) return null;
 
   return (
diff --git a/app/middleware/auth.server.ts b/app/middleware/auth.server.ts
new file mode 100644
index 0000000..6e1670f
--- /dev/null
+++ b/app/middleware/auth.server.ts
@@ -0,0 +1,17 @@
+import { json } from '@remix-run/cloudflare';
+import { verifyToken } from '~/utils/auth.server';
+
+export async function requireAuth(request: Request) {
+  const authHeader = request.headers.get('Authorization');
+  if (!authHeader) {
+    throw json({ error: '缺少授权头' }, { status: 401 });
+  }
+
+  const token = authHeader.split(' ')[1];
+  const payload = verifyToken(token);
+  if (!payload) {
+    throw json({ error: '无效的令牌' }, { status: 401 });
+  }
+
+  return payload.userId;
+}
diff --git a/app/routes/api.purchase-subscription.ts b/app/routes/api.purchase-subscription.ts
index 2c0b376..24b7a77 100644
--- a/app/routes/api.purchase-subscription.ts
+++ b/app/routes/api.purchase-subscription.ts
@@ -1,17 +1,23 @@
 import { json } from '@remix-run/cloudflare';
 import { db } from '~/utils/db.server';
-import { requireUserId } from '../utils/session.server'; // 使用相对路径
 import SDPay from '~/utils/SDPay.server';
+import { requireAuth } from '~/middleware/auth.server';
 
 export async function action({ request }: { request: Request }) {
-  const userId = await requireUserId(request);
+  let userId;
+  try {
+    userId = await requireAuth(request);
+  } catch (error) {
+    return error as Response;
+  }
+
   const { planId, billingCycle } = await request.json() as { planId: string; billingCycle: string };
 
   try {
     // 获取订阅计划详情
     const plan = await db('subscription_plans').where('_id', planId).first();
     if (!plan) {
-      return json({ error: 'Invalid subscription plan' }, { status: 400 });
+      return json({ error: '无效的订阅计划' }, { status: 400 });
     }
 
     // 计算实际价格和代币数量
@@ -47,7 +53,7 @@ export async function action({ request }: { request: Request }) {
 
     return json({ success: true, paymentData });
   } catch (error) {
-    console.error('Error initiating subscription purchase:', error);
-    return json({ error: 'Failed to initiate subscription purchase' }, { status: 500 });
+    console.error('初始化订阅购买时出错:', error);
+    return json({ error: '初始化订阅购买失败' }, { status: 500 });
   }
 }
diff --git a/app/routes/api/auth/login.ts b/app/routes/api/auth/login.ts
deleted file mode 100644
index 0519ecb..0000000
--- a/app/routes/api/auth/login.ts
+++ /dev/null
@@ -1 +0,0 @@
- 
\ No newline at end of file
diff --git a/app/routes/api/auth/register.ts b/app/routes/api/auth/register.ts
deleted file mode 100644
index 0519ecb..0000000
--- a/app/routes/api/auth/register.ts
+++ /dev/null
@@ -1 +0,0 @@
- 
\ No newline at end of file
diff --git a/app/routes/login.tsx b/app/routes/login.tsx
deleted file mode 100644
index cb09d42..0000000
--- a/app/routes/login.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-import { Login } from '~/components/auth/Login';
-
-export default function LoginPage() {
-  return <Login />;
-}
diff --git a/app/routes/register.tsx b/app/routes/register.tsx
deleted file mode 100644
index 16b108b..0000000
--- a/app/routes/register.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-import { Register } from '~/components/auth/Register';
-
-export default function RegisterPage() {
-  return <Register />;
-}
diff --git a/app/types/subscription.ts b/app/types/subscription.ts
new file mode 100644
index 0000000..10db805
--- /dev/null
+++ b/app/types/subscription.ts
@@ -0,0 +1,8 @@
+export interface SubscriptionPlan {
+  _id: string;
+  name: string;
+  tokens: number;
+  price: number;
+  description: string;
+  save_percentage: number | null;
+}
diff --git a/app/utils/session.server.ts b/app/utils/session.server.ts
deleted file mode 100644
index 0519ecb..0000000
--- a/app/utils/session.server.ts
+++ /dev/null
@@ -1 +0,0 @@
- 
\ No newline at end of file