diff --git a/Src/Dlhis.Basic/Organization/Services/IDepartmentService.cs b/Src/Dlhis.Basic/Organization/Services/IDepartmentService.cs
index cfd0b9d2..5e3784c1 100644
--- a/Src/Dlhis.Basic/Organization/Services/IDepartmentService.cs
+++ b/Src/Dlhis.Basic/Organization/Services/IDepartmentService.cs
@@ -1,12 +1,8 @@
-using Dlhis.Basic.Organization.Request;
-using Dlhis.Basic.Organization.Response;
-using Kurisu.Core.DataAccess.Dto;
+using Dlhis.Basic.Organization.Response;
 
 namespace Dlhis.Basic.Organization.Services;
 
 public interface IDepartmentService : IScopeDependency
 {
     Task<List<DepartmentTreeResponse>> GetTreeAsync();
-
-    Task<Pagination<DepartmentTreeResponse>> GetTreePageAsync(DepartmentPageRequest request);
 }
diff --git a/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs b/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs
index 77f42f9a..bf42c549 100644
--- a/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs
+++ b/Src/Dlhis.Basic/Organization/Services/Implements/DepartmentService.cs
@@ -32,35 +32,6 @@ public class DepartmentService : IDepartmentService
         return tops;
     }
 
-    public async Task<Pagination<DepartmentTreeResponse>> GetTreePageAsync(DepartmentPageRequest request)
-    {
-        var departments = await _dbContext
-            .Queryable<DepartmentEntity>()
-            .WhereIF(!request.Search.IsEmpty(), x => x.Name.Contains(request.Search) || x.No.Contains(request.Search)).ToListAsync();
-
-        var tops = departments.Where(x => x.PNo.IsEmpty()).Adapt<List<DepartmentTreeResponse>>();
-
-        tops.ForEach(x =>
-        {
-            RecursionGetNext(x, departments);
-        });
-
-        // 分页操作
-        var startIndex = (request.PageIndex - 1) * request.PageSize;
-        var pagedData = tops.Skip(startIndex).Take(request.PageSize).ToList();
-
-        var pagination = new Pagination<DepartmentTreeResponse>
-        {
-            PageIndex = request.PageIndex,
-            PageSize = request.PageSize,
-            Total = tops.Count, // 使用原始列表的总数进行分页
-            Data = pagedData
-        };
-
-        return pagination;
-
-    }
-
     private void RecursionGetNext(DepartmentTreeResponse current, List<DepartmentEntity> departments)
     {
         var next = departments.Where(x => x.PNo == current.No).ToList();