fix : 图片仓库依赖注入失效

lib/data/repositories/file_repository.dart

@@ -6,7 +6,7 @@ import 'package:problem_check_system/core/extensions/http_response_extension.dar
 import 'package:problem_check_system/core/utils/constants/api_endpoints.dart';
 import 'package:problem_check_system/data/providers/http_provider.dart';
 
-class FileRepository {
+class FileRepository extends GetxService {
   final HttpProvider _httpProvider = Get.find<HttpProvider>();
 
   /// @param imageFilePath 要上传的本地图片文件。
@@ -47,7 +47,8 @@ class FileRepository {
         final Map<String, dynamic> data = response.data;
 
         // 假设服务器返回的图片 URL 字段名为 'url'
-        String imageUrl = data['fileName'];
+        String imageUrl =
+            "${ApiEndpoints.baseUrl}${ApiEndpoints.postUploadFile}/${data['objectName']}";
 
         return imageUrl;
       } else {

lib/data/repositories/image_repository_impl.dart

@@ -7,7 +7,7 @@ import 'package:path/path.dart' as path;
 import 'package:problem_check_system/data/providers/http_provider.dart';
 import 'package:problem_check_system/data/repositories/image_repository.dart';
 
-class ImageRepositoryImpl implements ImageRepository {
+class ImageRepositoryImpl extends GetxService implements ImageRepository {
   final HttpProvider httpProvider;
 
   ImageRepositoryImpl({required this.httpProvider});

lib/modules/problem/controllers/problem_controller.dart

@@ -370,21 +370,23 @@ class ProblemController extends GetxController
 
       // 4. 处理服务器响应
       if (response.isSuccess) {
-        final problem = Problem.fromJson(response.data);
-        // 更新图片状态（仅对创建和更新操作）
-        final updatedImageMetadata =
-            problem.syncStatus != ProblemSyncStatus.pendingDelete
-            ? _updateImageMetadata(problem.imageUrls, remoteUrls)
-            : problem.imageUrls;
-
-        Get.log(problem.lastModifiedTime.toUtc().toIso8601String());
-        // 返回同步完成的对象，操作类型重置为none
-        return problem.copyWith(
-          syncStatus: problem.syncStatus != ProblemSyncStatus.pendingDelete
-              ? ProblemSyncStatus.synced
-              : ProblemSyncStatus.untracked, // 同步完成，重置为none
-          imageUrls: updatedImageMetadata,
-        );
+        if (problem.syncStatus != ProblemSyncStatus.pendingDelete) {
+          final serverProblem = ServerProblem.fromJson(response.data);
+          // 更新图片状态（仅对创建和更新操作）
+          final updatedImageMetadata = _updateImageMetadata(
+            problem.imageUrls,
+            remoteUrls,
+          );
+          // 返回同步完成的对象，操作类型重置为none
+          return problem.copyWith(
+            syncStatus: ProblemSyncStatus.synced,
+            imageUrls: updatedImageMetadata,
+            lastModifiedTime: serverProblem.lastModificationTime,
+          );
+        } else {
+          //  删除逻辑
+          return problem.copyWith(syncStatus: ProblemSyncStatus.untracked);
+        }
       } else {
         throw Exception('操作失败，状态码: ${response.statusCode}');
       }

lib/modules/problem/controllers/problem_form_controller.dart

@@ -10,6 +10,7 @@ import 'dart:io';
 import 'package:problem_check_system/data/models/problem_model.dart';
 import 'package:problem_check_system/data/models/problem_sync_status.dart';
 import 'package:problem_check_system/data/repositories/problem_repository.dart';
+import 'package:uuid/uuid.dart';
 
 class ProblemFormController extends GetxController {
   final Problem? problem;
@@ -184,8 +185,7 @@ class ProblemFormController extends GetxController {
 
     for (var image in selectedImages) {
       try {
-        final String fileName =
-            'problem_${DateTime.now().millisecondsSinceEpoch}_${path.basename(image.name)}';
+        final String fileName = '${Uuid().v4()}_${path.basename(image.name)}';
         final String imagePath = '${imagesDir.path}/$fileName';
         final ImageMetadata imageData = ImageMetadata(
           localPath: imagePath,

lib/modules/problem/views/problem_list_page.dart

@@ -113,6 +113,10 @@ class ProblemListPage extends GetView<ProblemController> {
   }
 
   Future<bool> _showDeleteConfirmationDialog(Problem problem) async {
+    // 确保在返回前关闭可能存在的snackbar
+    if (Get.isSnackbarOpen) {
+      Get.closeCurrentSnackbar();
+    }
     return await Get.bottomSheet<bool>(
           Container(
             padding: const EdgeInsets.symmetric(horizontal: 16.0),