diff --git a/system/Tnb.Systems/Permission/DepartmentService.cs b/system/Tnb.Systems/Permission/DepartmentService.cs
index 2233e3db..98f97aa8 100644
--- a/system/Tnb.Systems/Permission/DepartmentService.cs
+++ b/system/Tnb.Systems/Permission/DepartmentService.cs
@@ -394,6 +394,8 @@ public class DepartmentService : IDepartmentService, IDynamicApiController, ITra
         {
             // 删除该组织和角色关联数据
             await _repository.AsSugarClient().Deleteable<OrganizeRelationEntity>().Where(x => x.OrganizeId == id && x.ObjectType == "Role").ExecuteCommandAsync();
+            // 删除该组织和设备关联数据
+            await _repository.AsSugarClient().Deleteable<OrganizeRelationEntity>().Where(x => x.OrganizeId == id && x.ObjectType == "Eqp").ExecuteCommandAsync();
         }
 
         #region 第三方数据删除