diff --git a/client/lib/main.dart b/client/lib/main.dart
index 3262114..16fdc16 100644
--- a/client/lib/main.dart
+++ b/client/lib/main.dart
@@ -229,8 +229,12 @@ class _RootFlowState extends ConsumerState<RootFlow> {
         logLine('AutoConnect', 'triggering connect → ${node.code}');
         ref.read(connectionProvider.notifier).toggle();
         // 自动连接 toast:「正在自动连接到 X」(主显示区内居中,见 pangolin_toast)。
+        // 瞬态信息,1.5s 即可(默认 3s 用户反馈偏长;与「已复制」1.4s 同量级)。
         final t = ref.read(appTextProvider);
-        if (mounted) showPangolinToast(context, t.autoConnectingTo(node.localizedName(t.lang)));
+        if (mounted) {
+          showPangolinToast(context, t.autoConnectingTo(node.localizedName(t.lang)),
+              duration: const Duration(milliseconds: 1500));
+        }
       } else {
         logLine('AutoConnect', 'NOT connecting (autoConnect=${settings.autoConnect} phase=$phase)');
       }
diff --git a/client/lib/screens/orders_page.dart b/client/lib/screens/orders_page.dart
index 351fbd9..f6fa9ce 100644
--- a/client/lib/screens/orders_page.dart
+++ b/client/lib/screens/orders_page.dart
@@ -275,6 +275,17 @@ class _OrderDetailView extends ConsumerWidget {
     }
   }
 
+  // 「取消订单」(created 单详情)——远程 cancel 后刷新列表/详情;失败(如已支付,
+  // pay 回 409)不报错,同样走刷新,以最新状态为准(已付单会显示已开通)。
+  Future<void> _cancelOrder(BuildContext context, WidgetRef ref) async {
+    try {
+      await ref.read(paymentApiProvider).cancel(order.orderNo);
+    } catch (_) {}
+    if (!context.mounted) return;
+    ref.invalidate(ordersProvider);
+    ref.invalidate(orderDetailProvider(order.orderNo));
+  }
+
   Future<void> _copy(BuildContext context, String text) async {
     await Clipboard.setData(ClipboardData(text: text));
     if (context.mounted) {
@@ -346,6 +357,12 @@ class _OrderDetailView extends ConsumerWidget {
       switch (o.status) {
         case 'created':
           list.add(PangolinButton(label: t.orderContinuePay, expand: true, onPressed: () => _resumePay(context, ref)));
+          // 原型 pending 态为双按钮:继续支付(主)+ 取消订单(ghost)——orders.html/ui-desktop 均已登记。
+          list.add(PangolinButton(
+              label: t.cancelOrder,
+              variant: PangolinButtonVariant.ghost,
+              expand: true,
+              onPressed: () => _cancelOrder(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':
diff --git a/client/test/widget/orders_page_test.dart b/client/test/widget/orders_page_test.dart
index f9a036a..5a9f152 100644
--- a/client/test/widget/orders_page_test.dart
+++ b/client/test/widget/orders_page_test.dart
@@ -78,7 +78,8 @@ void main() {
     // 点 created 那单(月付)进详情
     await tester.tap(find.text(t.proMonthly));
     await tester.pumpAndSettle();
-    // 详情字段行 + created 态动作「继续支付」
+    // 详情字段行 + created 态动作:继续支付(主)+ 取消订单(ghost,原型 pending 双按钮)
+    expect(find.text(t.cancelOrder), findsOneWidget);
     expect(find.text(t.orderNoLabel), findsOneWidget);
     expect(find.text(t.orderContinuePay), findsWidgets);
   });