diff --git a/lib/app/features/enterprise/presentation/controllers/enterprise_list_controller.dart b/lib/app/features/enterprise/presentation/controllers/enterprise_list_controller.dart
index 75cbeb6..705a788 100644
--- a/lib/app/features/enterprise/presentation/controllers/enterprise_list_controller.dart
+++ b/lib/app/features/enterprise/presentation/controllers/enterprise_list_controller.dart
@@ -33,7 +33,8 @@ class EnterpriseListController extends GetxController {
   final selectedType = Rx<CompanyType?>(null);
   final startDate = Rx<DateTime?>(null);
   final endDate = Rx<DateTime?>(null);
-  final selectedEnterprises = <Enterprise>{}.obs; // 在此页面，此 Set 通常为空
+  final selectedEnterprises = <Enterprise>{}.obs;
+  final ExpansibleController expansibleController = ExpansibleController();
 
   @override
   void onInit() {
@@ -41,6 +42,13 @@ class EnterpriseListController extends GetxController {
     fetchEnterprises(); // 页面初始化时加载数据
   }
 
+  @override
+  void onClose() {
+    nameController.dispose();
+    expansibleController.dispose();
+    super.onClose();
+  }
+
   // --- 实现基类中定义的方法 ---
 
   void search() {
@@ -55,15 +63,11 @@ class EnterpriseListController extends GetxController {
     fetchEnterprises();
   }
 
-  void onSelectionChanged(Enterprise enterprise) {
-    // 管理模式下没有选择功能，所以此方法体为空。
-    // 这是符合接口隔离原则的正常现象。
-  }
-
   // --- EnterpriseListController 特有的方法 ---
 
   /// 核心方法：获取企业列表
   Future<void> fetchEnterprises() async {
+    expansibleController.collapse();
     isLoading.value = true;
     try {
       final result = await getEnterpriseListUsecase.call(
@@ -125,10 +129,4 @@ class EnterpriseListController extends GetxController {
       arguments: {'data': enterprise, 'mode': FormMode.view},
     );
   }
-
-  @override
-  void onClose() {
-    nameController.dispose();
-    super.onClose();
-  }
 }
diff --git a/lib/app/features/enterprise/presentation/pages/enterprise_list_page.dart b/lib/app/features/enterprise/presentation/pages/enterprise_list_page.dart
index 91f740b..336645d 100644
--- a/lib/app/features/enterprise/presentation/pages/enterprise_list_page.dart
+++ b/lib/app/features/enterprise/presentation/pages/enterprise_list_page.dart
@@ -22,7 +22,7 @@ class EnterpriseListPage extends GetView<EnterpriseListController> {
         children: [
           // 根据参数决定是否构建筛选区域
           _buildFilterSection(),
-          const Divider(height: 1, thickness: .1),
+          const Divider(height: 1, thickness: 1),
 
           // 列表区域总是显示
           Expanded(child: _buildEnterpriseList()),
@@ -36,9 +36,15 @@ class EnterpriseListPage extends GetView<EnterpriseListController> {
   /// 因此它无需关心具体的控制器是哪个。
   Widget _buildFilterSection() {
     return ExpansionTile(
+      controller: controller.expansibleController,
       title: const Text('筛选查询'),
       leading: const Icon(Icons.filter_alt_outlined),
-      initiallyExpanded: false, // 默认收起
+      tilePadding: EdgeInsets.symmetric(horizontal: 16.0, vertical: 0.0.h),
+      childrenPadding: EdgeInsets.symmetric(
+        horizontal: 16.0,
+        vertical: 8.0.h,
+      ).copyWith(top: 0),
+      dense: true,
       children: [
         Padding(
           padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 4.h),