diff --git a/frontend/mobile-app/lib/core/services/planting_service.dart b/frontend/mobile-app/lib/core/services/planting_service.dart
index f277f7c4..67f7dd2c 100644
--- a/frontend/mobile-app/lib/core/services/planting_service.dart
+++ b/frontend/mobile-app/lib/core/services/planting_service.dart
@@ -142,21 +142,21 @@ class PlantingService {
   /// 选择省市
   ///
   /// [orderNo] 订单号
-  /// [provinceCode] 省份代码
-  /// [cityCode] 城市代码
+  /// [provinceName] 省份名称
+  /// [cityName] 城市名称
   Future<PlantingOrder> selectProvinceCity(
     String orderNo,
-    String provinceCode,
-    String cityCode,
+    String provinceName,
+    String cityName,
   ) async {
     try {
-      debugPrint('[PlantingService] 选择省市: orderNo=$orderNo, province=$provinceCode, city=$cityCode');
+      debugPrint('[PlantingService] 选择省市: orderNo=$orderNo, province=$provinceName, city=$cityName');
 
       final response = await _apiClient.post(
         '/planting/orders/$orderNo/select-province-city',
         data: {
-          'provinceCode': provinceCode,
-          'cityCode': cityCode,
+          'provinceName': provinceName,
+          'cityName': cityName,
         },
       );
 
diff --git a/frontend/mobile-app/lib/features/planting/presentation/pages/planting_location_page.dart b/frontend/mobile-app/lib/features/planting/presentation/pages/planting_location_page.dart
index af095daa..e798f6df 100644
--- a/frontend/mobile-app/lib/features/planting/presentation/pages/planting_location_page.dart
+++ b/frontend/mobile-app/lib/features/planting/presentation/pages/planting_location_page.dart
@@ -126,8 +126,8 @@ class _PlantingLocationPageState extends ConsumerState<PlantingLocationPage> {
       // 1. 选择省市
       await plantingService.selectProvinceCity(
         widget.orderNo,
-        _selectedProvinceCode!,
-        _selectedCityCode!,
+        _selectedProvinceName!,
+        _selectedCityName!,
       );
 
       // 2. 确认省市选择