diff --git a/client/lib/screens/orders_page.dart b/client/lib/screens/orders_page.dart
index 9d6d269..61362b4 100644
--- a/client/lib/screens/orders_page.dart
+++ b/client/lib/screens/orders_page.dart
@@ -328,8 +328,9 @@ class _OrderDetailView extends ConsumerWidget {
       final list = <Widget>[];
       switch (o.status) {
         case 'created':
-        case 'expired':
           list.add(PangolinButton(label: t.orderContinuePay, expand: true, onPressed: () => _goPurchase(context, ref)));
+        // 过期单 pay 会话已失效,点击是重新下单而非续付 → 用「重新购买」避免歧义。
+        case 'expired':
         case 'canceled':
           list.add(PangolinButton(label: t.orderRebuy, expand: true, onPressed: () => _goPurchase(context, ref)));
         case 'paid':