diff --git a/frontend/mobile-app/lib/core/services/planting_service.dart b/frontend/mobile-app/lib/core/services/planting_service.dart
index 58c86250..64b026e4 100644
--- a/frontend/mobile-app/lib/core/services/planting_service.dart
+++ b/frontend/mobile-app/lib/core/services/planting_service.dart
@@ -100,7 +100,7 @@ class CreateOrderResponse {
       orderNo: json['orderNo'] ?? '',
       treeCount: json['treeCount'] ?? 0,
       totalAmount: (json['totalAmount'] ?? 0).toDouble(),
-      pricePerTree: (json['pricePerTree'] ?? 2199).toDouble(),
+      pricePerTree: (json['pricePerTree'] ?? 15831).toDouble(),
     );
   }
 }
diff --git a/frontend/mobile-app/lib/features/planting/presentation/pages/planting_quantity_page.dart b/frontend/mobile-app/lib/features/planting/presentation/pages/planting_quantity_page.dart
index c08e3b0f..07d72ba4 100644
--- a/frontend/mobile-app/lib/features/planting/presentation/pages/planting_quantity_page.dart
+++ b/frontend/mobile-app/lib/features/planting/presentation/pages/planting_quantity_page.dart
@@ -17,7 +17,7 @@ class PlantingQuantityPage extends ConsumerStatefulWidget {
 
 class _PlantingQuantityPageState extends ConsumerState<PlantingQuantityPage> {
   /// 每棵树的价格 (USDT)
-  static const double _pricePerTree = 2199.0;
+  static const double _pricePerTree = 15831.0;
 
   /// 可用余额 (USDT) - 从 API 获取
   double _availableBalance = 0.0;