diff --git a/lib/pages/home/doorAndCar/car/doorArea_car_add_page.dart b/lib/pages/home/doorAndCar/car/doorArea_car_add_page.dart
index 1909a72..713ff0e 100644
--- a/lib/pages/home/doorAndCar/car/doorArea_car_add_page.dart
+++ b/lib/pages/home/doorAndCar/car/doorArea_car_add_page.dart
@@ -123,6 +123,9 @@ class _DoorareaCarAddPageState extends State<DoorareaCarAddPage> {
                             addData['auditPersonUserId']='';
                             addData['auditPersonUserName']='';
 
+                            addData['closedAreaId']='';//封闭区域id
+                            addData['closedAreaName']='';//封闭区域名称
+
                           });
                         },
                       ),
@@ -530,10 +533,13 @@ class _DoorareaCarAddPageState extends State<DoorareaCarAddPage> {
       if (raw['success'] ) {
         List<dynamic> newList = raw['data'] ?? [];
 
-        for(int i=0;i<newList.length;i++){
-          newList[i]["dataId"] = newList[i]["id"];
-          newList[i]["dataName"] = newList[i]["closedAreaName"];
-        }
+        // for(int i=0;i<newList.length;i++){
+        //   newList[i]["dataId"] = newList[i]["id"];
+        //   newList[i]["dataName"] = newList[i]["closedAreaName"];
+        // }
+
+        // 构建树形结构
+        List<dynamic> treeData = _buildTree(newList);
 
         showModalBottomSheet(
           context: context,
@@ -542,12 +548,17 @@ class _DoorareaCarAddPageState extends State<DoorareaCarAddPage> {
           backgroundColor: Colors.transparent,
           builder:
               (ctx) => DepartmentPickerThree(
-            listdata: newList,
+            listdata: treeData,
             onSelected: (id, name,pdId) async {
               setState(() {
                 addData['closedAreaId']=id;//封闭区域id
                 addData['closedAreaName']=name;//封闭区域名称
 
+                addData['auditPersonDepartmentId']= '';
+                addData['auditPersonDepartmentName']= '';
+                addData['auditPersonUserId']='';
+                addData['auditPersonUserName']='';
+
               });
             },
           ),
@@ -566,6 +577,65 @@ class _DoorareaCarAddPageState extends State<DoorareaCarAddPage> {
     }
   }
 
+  /// 构建多层级树形结构（支持任意层级）
+  List<dynamic> _buildTree(List<dynamic> data) {
+    if (data.isEmpty) return [];
+
+    // 创建 id -> node 的映射
+    Map<String, dynamic> nodeMap = {};
+
+    // 初始化所有节点
+    for (var item in data) {
+      String id = item['id']?.toString() ?? '';
+      item['children'] = [];
+      item['dataId'] = id;
+      item['dataName'] = item['closedAreaName'] ?? '';
+      nodeMap[id] = item;
+    }
+
+    List<dynamic> rootNodes = [];
+
+    // 遍历所有节点，建立父子关系
+    for (var item in data) {
+      String parentId = item['parentId']?.toString() ?? '0';
+
+      if (parentId == '0' || parentId.isEmpty) {
+        // 根节点
+        rootNodes.add(item);
+      } else if (nodeMap.containsKey(parentId)) {
+        // 有父节点，添加到父节点的 children 中
+        nodeMap[parentId]['children'].add(item);
+      } else {
+        // 父节点不在列表中，作为根节点
+        rootNodes.add(item);
+      }
+    }
+
+    // 递归排序（可选：按某个字段排序）
+    _sortTree(rootNodes);
+
+    return rootNodes;
+  }
+
+  /// 递归排序树节点（按 id 或名称排序）
+  void _sortTree(List<dynamic> nodes) {
+    for (var node in nodes) {
+      if (node['children'] != null && node['children'] is List) {
+        List children = node['children'];
+        if (children.isNotEmpty) {
+          // 按 id 排序
+          children.sort((a, b) {
+            String idA = a['id']?.toString() ?? '';
+            String idB = b['id']?.toString() ?? '';
+            return idA.compareTo(idB);
+          });
+          // 递归排序子节点
+          _sortTree(children);
+        }
+      }
+    }
+  }
+
 
   Future<void> _getApproverList() async {
     try {
@@ -708,6 +778,18 @@ class _DoorareaCarAddPageState extends State<DoorareaCarAddPage> {
             addData['portAreaId'] = extraData?['dictValue'];//港区id
             addData['portAreaName'] = name;//港区名称
 
+            addData['jurisdictionalCorpId']= '';
+            addData['jurisdictionalCorpName']= '';
+            addData['auditPersonCorpId']= '';
+            addData['auditPersonCorpName']= '';
+            addData['auditPersonDepartmentId']= '';
+            addData['auditPersonDepartmentName']= '';
+            addData['auditPersonUserId']='';
+            addData['auditPersonUserName']='';
+
+            addData['closedAreaId']='';//封闭区域id
+            addData['closedAreaName']='';//封闭区域名称
+
           });
         },
       ),
diff --git a/lib/pages/home/doorAndCar/person/doorArea_person_add_page.dart b/lib/pages/home/doorAndCar/person/doorArea_person_add_page.dart
index 11779ae..bf2c8c3 100644
--- a/lib/pages/home/doorAndCar/person/doorArea_person_add_page.dart
+++ b/lib/pages/home/doorAndCar/person/doorArea_person_add_page.dart
@@ -121,6 +121,9 @@ class _DoorareaPersonApplyPageState extends State<DoorareaPersonApplyPage> {
                           addData['auditPersonUserId']='';
                           addData['auditPersonUserName']='';
 
+                          addData['closedAreaId']='';//封闭区域id
+                          addData['closedAreaName']='';//封闭区域名称
+
                         });
                       },
                     ),
@@ -574,6 +577,18 @@ class _DoorareaPersonApplyPageState extends State<DoorareaPersonApplyPage> {
             addData['portAreaId'] = extraData?['dictValue'];//港区id
             addData['portAreaName'] = name;//港区名称
 
+            addData['jurisdictionalCorpId']= '';
+            addData['jurisdictionalCorpName']= '';
+            addData['auditPersonCorpId']= '';
+            addData['auditPersonCorpName']= '';
+            addData['auditPersonDepartmentId']= '';
+            addData['auditPersonDepartmentName']= '';
+            addData['auditPersonUserId']='';
+            addData['auditPersonUserName']='';
+
+            addData['closedAreaId']='';//封闭区域id
+            addData['closedAreaName']='';//封闭区域名称
+
           });
         },
       ),
@@ -589,36 +604,44 @@ class _DoorareaPersonApplyPageState extends State<DoorareaPersonApplyPage> {
       final raw = await DoorAndCarApi.getEnclosedAreaById(addData['jurisdictionalCorpId']);
       LoadingDialogHelper.hide();
       if (raw['success'] ) {
-      List<dynamic> newList = raw['data'] ?? [];
+        List<dynamic> newList = raw['data'] ?? [];
 
-      for(int i=0;i<newList.length;i++){
-        newList[i]["dataId"] = newList[i]["id"];
-        newList[i]["dataName"] = newList[i]["closedAreaName"];
+        // for(int i=0;i<newList.length;i++){
+        //   newList[i]["dataId"] = newList[i]["id"];
+        //   newList[i]["dataName"] = newList[i]["closedAreaName"];
+        // }
+
+        // 构建树形结构
+        List<dynamic> treeData = _buildTree(newList);
+
+        showModalBottomSheet(
+          context: context,
+          isScrollControlled: true,
+          barrierColor: Colors.black54,
+          backgroundColor: Colors.transparent,
+          builder:
+              (ctx) => DepartmentPickerThree(
+            listdata: treeData,
+            onSelected: (id, name,pdId) async {
+              setState(() {
+                addData['closedAreaId']=id;//封闭区域id
+                addData['closedAreaName']=name;//封闭区域名称
+
+                addData['auditPersonDepartmentId']= '';
+                addData['auditPersonDepartmentName']= '';
+                addData['auditPersonUserId']='';
+                addData['auditPersonUserName']='';
+
+              });
+            },
+          ),
+        );
+      }else{
+        ToastUtil.showNormal(context, "获取列表失败");
+        LoadingDialogHelper.hide();
+        // _showMessage('反馈提交失败');
+        // return "";
       }
-
-      showModalBottomSheet(
-        context: context,
-        isScrollControlled: true,
-        barrierColor: Colors.black54,
-        backgroundColor: Colors.transparent,
-        builder:
-            (ctx) => DepartmentPickerThree(
-          listdata: newList,
-          onSelected: (id, name,pdId) async {
-            setState(() {
-              addData['closedAreaId']=id;//封闭区域id
-              addData['closedAreaName']=name;//封闭区域名称
-
-            });
-          },
-        ),
-      );
-    }else{
-      ToastUtil.showNormal(context, "获取列表失败");
-      LoadingDialogHelper.hide();
-      // _showMessage('反馈提交失败');
-      // return "";
-    }
     } catch (e) {
       // 出错时可以 Toast 或者在页面上显示错误状态
       print('加载首页数据失败：$e');
@@ -627,6 +650,65 @@ class _DoorareaPersonApplyPageState extends State<DoorareaPersonApplyPage> {
     }
   }
 
+  /// 构建多层级树形结构（支持任意层级）
+  List<dynamic> _buildTree(List<dynamic> data) {
+    if (data.isEmpty) return [];
+
+    // 创建 id -> node 的映射
+    Map<String, dynamic> nodeMap = {};
+
+    // 初始化所有节点
+    for (var item in data) {
+      String id = item['id']?.toString() ?? '';
+      item['children'] = [];
+      item['dataId'] = id;
+      item['dataName'] = item['closedAreaName'] ?? '';
+      nodeMap[id] = item;
+    }
+
+    List<dynamic> rootNodes = [];
+
+    // 遍历所有节点，建立父子关系
+    for (var item in data) {
+      String parentId = item['parentId']?.toString() ?? '0';
+
+      if (parentId == '0' || parentId.isEmpty) {
+        // 根节点
+        rootNodes.add(item);
+      } else if (nodeMap.containsKey(parentId)) {
+        // 有父节点，添加到父节点的 children 中
+        nodeMap[parentId]['children'].add(item);
+      } else {
+        // 父节点不在列表中，作为根节点
+        rootNodes.add(item);
+      }
+    }
+
+    // 递归排序（可选：按某个字段排序）
+    _sortTree(rootNodes);
+
+    return rootNodes;
+  }
+
+  /// 递归排序树节点（按 id 或名称排序）
+  void _sortTree(List<dynamic> nodes) {
+    for (var node in nodes) {
+      if (node['children'] != null && node['children'] is List) {
+        List children = node['children'];
+        if (children.isNotEmpty) {
+          // 按 id 排序
+          children.sort((a, b) {
+            String idA = a['id']?.toString() ?? '';
+            String idB = b['id']?.toString() ?? '';
+            return idA.compareTo(idB);
+          });
+          // 递归排序子节点
+          _sortTree(children);
+        }
+      }
+    }
+  }
+
 
   Future<void> _getApproverList() async {
     try {