diff --git a/server/src/routes/payment.js b/server/src/routes/payment.js
index 53a713b..6a361ac 100644
--- a/server/src/routes/payment.js
+++ b/server/src/routes/payment.js
@@ -30,7 +30,7 @@ router.post('/payment/orders/:order_id/sync', requireUser, wrap(async (req, res)
 
   const wxOrder = await wxpay.queryOrder(order.order_id)
   if (wxOrder.trade_state === 'SUCCESS') {
-    if (!wxOrder.amount || wxOrder.amount.payer_total !== order.amount_fen) {
+    if (!wxOrder.amount || wxOrder.amount.total !== order.amount_fen) {
       return res.json(fail(2001, 'amount mismatch'))
     }
     await paymentOrderDao.markPaidAndActivateSubscription(order.order_id, wxOrder.transaction_id, wxOrder)