🐛 fix(purchasing): Update payment type to lowercase and add optional chaining for discounts

apps/user/app/(main)/purchasing/order/page.tsx

@@ -228,7 +228,7 @@ export default function Page() {
               </div>
             )}
 
-            {data?.status === 1 && payment?.type === 'Stripe' && (
+            {data?.status === 1 && payment?.type === 'stripe' && (
               <div className='flex flex-col items-center gap-8 text-center'>
                 <h3 className='text-2xl font-bold tracking-tight'>{t('waitingForPayment')}</h3>
                 <p className='flex items-center text-3xl font-bold'>{countdownDisplay}</p>

apps/user/components/subscribe/duration-selector.tsx

@@ -40,7 +40,7 @@ const DurationSelector: React.FC<DurationSelectorProps> = ({
   );
 
   // 查找当前选中项的折扣信息
-  const currentDiscount = discounts.find((item) => item.quantity === quantity)?.discount;
+  const currentDiscount = discounts?.find((item) => item.quantity === quantity)?.discount;
   const discountPercentage = currentDiscount ? 100 - currentDiscount : 0;
 
   return (