fix : 无法找到企业列表

lib/app/features/problem/presentation/controllers/problem_form_controller.dart

@@ -75,10 +75,10 @@ class ProblemFormController extends GetxController {
   }
 
   @override
-  void onInit() {
+  Future<void> onInit() async {
     super.onInit();
+    await _fetchEnterprises();
     updatePageTitle();
-    _fetchEnterprises();
   }
 
   @override
@@ -95,6 +95,7 @@ class ProblemFormController extends GetxController {
         break;
       case FormMode.edit:
         titleName.value = '修改问题';
+        selectedEnterprise.value = enterprise;
         break;
       case FormMode.view:
         titleName.value = '查看问题';
@@ -236,6 +237,7 @@ class ProblemFormController extends GetxController {
           description: descriptionController.text,
           location: locationController.text,
           imageUrls: imagePaths,
+          enterpriseId: selectedEnterprise.value!.id,
         );
         await updateProblemUsecase(updatedProblem);
       } else {
@@ -248,7 +250,6 @@ class ProblemFormController extends GetxController {
         );
       }
       Get.back(result: true); // 返回成功结果
-      Get.snackbar('成功', '问题已更新');
     } catch (e) {
       Get.snackbar('错误', '保存问题失败: $e');
     } finally {

lib/app/features/problem/presentation/controllers/problem_list_controller.dart

@@ -181,7 +181,7 @@ class ProblemListController extends GetxController {
       search();
       Get.snackbar(
         '成功',
-        '企业信息已更新',
+        '问题已更新',
         backgroundColor: Colors.green[600],
         colorText: Colors.white,
         icon: const Icon(Icons.check_circle, color: Colors.white),
@@ -208,7 +208,7 @@ class ProblemListController extends GetxController {
       search();
       Get.snackbar(
         '成功',
-        '企业信息已创建',
+        '问题已创建',
         backgroundColor: Colors.green[600],
         colorText: Colors.white,
         icon: const Icon(Icons.check_circle, color: Colors.white),

lib/app/features/problem/presentation/pages/problem_form_page.dart

@@ -3,7 +3,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
 import 'package:image_picker/image_picker.dart';
-import 'package:problem_check_system/app/core/models/form_mode.dart';
 import 'package:problem_check_system/app/core/pages/widgets/custom_app_bar.dart';
 import 'package:problem_check_system/app/features/enterprise/domain/entities/enterprise.dart';
 import 'package:problem_check_system/app/features/problem/presentation/controllers/problem_form_controller.dart';
@@ -476,9 +475,7 @@ class ProblemFormPage extends GetView<ProblemFormController> {
                   hint: const Text('请选择一个企业'),
                   isExpanded: true,
                   // 当前选中的值，直接从控制器获取
-                  value: controller.formMode == FormMode.edit
+                  value: controller.selectedEnterprise.value,
-                      ? controller.enterprise
-                      : controller.selectedEnterprise.value,
                   // 列表项，通过map从控制器列表动态生成
                   items: controller.enterpriseList.map((enterprise) {
                     return DropdownMenuItem<Enterprise>(