diff --git a/frontend/mobile-app/lib/core/services/contract_signing_service.dart b/frontend/mobile-app/lib/core/services/contract_signing_service.dart
index 10d5ef71..a3bc2a8a 100644
--- a/frontend/mobile-app/lib/core/services/contract_signing_service.dart
+++ b/frontend/mobile-app/lib/core/services/contract_signing_service.dart
@@ -268,15 +268,22 @@ class ContractSigningService {
 
       if (response.statusCode == 200) {
         final responseData = response.data as Map<String, dynamic>;
-        if (responseData['success'] == true && responseData['data'] != null) {
-          final data = responseData['data'] as Map<String, dynamic>;
-          debugPrint('[ContractSigningService] 滚动标记成功，任务状态: ${data['status']}');
-          return ContractSigningTask.fromJson(data);
-        }
-        // 兼容直接返回任务数据的情况
-        if (responseData['orderNo'] != null) {
-          debugPrint('[ContractSigningService] 滚动标记成功（直接返回数据）');
-          return ContractSigningTask.fromJson(responseData);
+        if (responseData['success'] == true) {
+          debugPrint('[ContractSigningService] 滚动标记成功');
+          // 后端可能返回 data，也可能只返回 success + message
+          if (responseData['data'] != null) {
+            final data = responseData['data'] as Map<String, dynamic>;
+            debugPrint('[ContractSigningService] 返回任务数据，状态: ${data['status']}');
+            return ContractSigningTask.fromJson(data);
+          }
+          // 兼容直接返回任务数据的情况
+          if (responseData['orderNo'] != null) {
+            debugPrint('[ContractSigningService] 滚动标记成功（直接返回数据）');
+            return ContractSigningTask.fromJson(responseData);
+          }
+          // 如果没有返回 data，重新获取任务详情
+          debugPrint('[ContractSigningService] 重新获取任务详情');
+          return await getTask(orderNo);
         }
         throw Exception('标记滚动失败: ${responseData['message'] ?? '响应格式错误'}');
       }
@@ -304,15 +311,22 @@ class ContractSigningService {
 
       if (response.statusCode == 200) {
         final responseData = response.data as Map<String, dynamic>;
-        if (responseData['success'] == true && responseData['data'] != null) {
-          final data = responseData['data'] as Map<String, dynamic>;
-          debugPrint('[ContractSigningService] 确认法律效力成功，任务状态: ${data['status']}');
-          return ContractSigningTask.fromJson(data);
-        }
-        // 兼容直接返回任务数据的情况
-        if (responseData['orderNo'] != null) {
-          debugPrint('[ContractSigningService] 确认法律效力成功（直接返回数据）');
-          return ContractSigningTask.fromJson(responseData);
+        if (responseData['success'] == true) {
+          debugPrint('[ContractSigningService] 确认法律效力成功');
+          // 后端可能返回 data，也可能只返回 success + message
+          if (responseData['data'] != null) {
+            final data = responseData['data'] as Map<String, dynamic>;
+            debugPrint('[ContractSigningService] 返回任务数据，状态: ${data['status']}');
+            return ContractSigningTask.fromJson(data);
+          }
+          // 兼容直接返回任务数据的情况
+          if (responseData['orderNo'] != null) {
+            debugPrint('[ContractSigningService] 确认法律效力成功（直接返回数据）');
+            return ContractSigningTask.fromJson(responseData);
+          }
+          // 如果没有返回 data，重新获取任务详情
+          debugPrint('[ContractSigningService] 重新获取任务详情');
+          return await getTask(orderNo);
         }
         throw Exception('确认法律效力失败: ${responseData['message'] ?? '响应格式错误'}');
       }
diff --git a/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart b/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart
index 0b2f8c00..974cb749 100644
--- a/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart
+++ b/frontend/mobile-app/lib/features/contract_signing/presentation/pages/contract_signing_page.dart
@@ -761,7 +761,7 @@ class _ContractSigningPageState extends ConsumerState<ContractSigningPage> {
                 ),
                 const SizedBox(height: 4),
                 Text(
-                  '${_task!.treeCount} 棵榴莲树 · ${_task!.totalAmount.toStringAsFixed(2)} USDT',
+                  '${_task!.treeCount} 棵榴莲树 · ${_task!.totalAmount.toStringAsFixed(2)} 绿积分',
                   style: const TextStyle(
                     fontSize: 14,
                     fontWeight: FontWeight.bold,
diff --git a/frontend/mobile-app/lib/features/contract_signing/presentation/pages/pending_contracts_page.dart b/frontend/mobile-app/lib/features/contract_signing/presentation/pages/pending_contracts_page.dart
index f47078c9..120f1bf3 100644
--- a/frontend/mobile-app/lib/features/contract_signing/presentation/pages/pending_contracts_page.dart
+++ b/frontend/mobile-app/lib/features/contract_signing/presentation/pages/pending_contracts_page.dart
@@ -272,7 +272,7 @@ class _PendingContractsPageState extends ConsumerState<PendingContractsPage> {
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
                 children: [
                   Text(
-                    '金额: ${task.totalAmount.toStringAsFixed(2)} USDT',
+                    '金额: ${task.totalAmount.toStringAsFixed(2)} 绿积分',
                     style: const TextStyle(
                       fontSize: 14,
                       color: Color(0xFFD4AF37),