diff --git a/bonus-admin/src/main/java/com/bonus/web/controller/archive/FileManagementController.java b/bonus-admin/src/main/java/com/bonus/web/controller/archive/FileManagementController.java
index a9ee840..14f4a08 100644
--- a/bonus-admin/src/main/java/com/bonus/web/controller/archive/FileManagementController.java
+++ b/bonus-admin/src/main/java/com/bonus/web/controller/archive/FileManagementController.java
@@ -89,13 +89,17 @@ public class FileManagementController extends BaseController {
     @SysLog(title = "第四级档案信息", module = "档案管理->档案右侧列表", businessType = OperaType.QUERY, details = "第四级档案信息", logType = 1)
     @RequiresPermissions("file:manage:query")
     public TableDataInfo getFileManage(DaKyProFilesContentsDto dto) {
-        Integer level = fileManageMapper.getLevelById(dto.getParentId().toString());
-        if (level == 4) {
-            startPage();
-            List<DaKyProFilesContentsDto> list = fileManageService.FileManage(dto);
-            return getDataTable(list);
-        } else {
+        if (dto.getParentId() == 0) {
             return getDataTable(new ArrayList<>());
+        } else {
+            Integer level = fileManageMapper.getLevelById(dto.getParentId().toString());
+            if (level == 4) {
+                startPage();
+                List<DaKyProFilesContentsDto> list = fileManageService.FileManage(dto);
+                return getDataTable(list);
+            } else {
+                return getDataTable(new ArrayList<>());
+            }
         }
     }
 
diff --git a/bonus-admin/src/main/java/com/bonus/web/controller/tool/TreeBuilder.java b/bonus-admin/src/main/java/com/bonus/web/controller/tool/TreeBuilder.java
index a4c3bb9..da06e19 100644
--- a/bonus-admin/src/main/java/com/bonus/web/controller/tool/TreeBuilder.java
+++ b/bonus-admin/src/main/java/com/bonus/web/controller/tool/TreeBuilder.java
@@ -55,7 +55,7 @@ public class TreeBuilder {
                 .collect(Collectors.toList());
 
         // 使用 Map 提升查找效率
-        Map<Integer, DaKyProFilesContentsDto> map = new HashMap<>();
+        Map<String, DaKyProFilesContentsDto> map = new HashMap<>();
         List<DaKyProFilesContentsDto> roots = new ArrayList<>();
 
         // 第一步：将所有节点放入 map
@@ -70,7 +70,7 @@ public class TreeBuilder {
             if (parentId == null) {
                 roots.add(item);
             } else {
-                DaKyProFilesContentsDto parent = map.get(parentId);
+                DaKyProFilesContentsDto parent = map.get(parentId.toString());
                 if (parent != null) {
                     parent.getChildren().add(item);
                 }