diff --git a/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_purchase_page.dart b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_purchase_page.dart
index 5295680a..6318ab32 100644
--- a/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_purchase_page.dart
+++ b/frontend/mobile-app/lib/features/pre_planting/presentation/pages/pre_planting_purchase_page.dart
@@ -369,7 +369,7 @@ class _PrePlantingPurchasePageState
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(
             content: Text(
-              '购买成功！已购买 ${response.portionCount} 份预种（${response.totalAmount.toInt()} USDT）',
+              '购买成功！已购买 ${response.portionCount} 份预种（${response.totalAmount.toInt()} 绿积分）',
             ),
             backgroundColor: const Color(0xFF4CAF50),
           ),
@@ -438,11 +438,11 @@ class _PrePlantingPurchasePageState
           children: [
             _buildDialogRow('购买份数', '$_quantity 份'),
             const SizedBox(height: 8),
-            _buildDialogRow('单价', '${_pricePerPortion.toInt()} USDT/份'),
+            _buildDialogRow('单价', '${_pricePerPortion.toInt()} 绿积分/份'),
             const SizedBox(height: 8),
             _buildDialogRow(
               '总金额',
-              '${_formatNumber(totalAmount)} USDT',
+              '${_formatNumber(totalAmount)} 绿积分',
               highlight: true,
             ),
             const SizedBox(height: 8),
@@ -1342,7 +1342,7 @@ class _PrePlantingPurchasePageState
           const SizedBox(height: 7),
           // 合并提示
           Text(
-            '每 $_portionsPerTree 份自动合成 1 棵树（${_formatNumber(_pricePerPortion * _portionsPerTree)} USDT）',
+            '每 $_portionsPerTree 份自动合成 1 棵树（${_formatNumber(_pricePerPortion * _portionsPerTree)} 绿积分）',
             style: const TextStyle(
               fontSize: 14,
               fontFamily: 'Inter',