diff --git a/CoreCms.Net.Web.Admin/Controllers/User/CoreCmsUserController.cs b/CoreCms.Net.Web.Admin/Controllers/User/CoreCmsUserController.cs
index 89c42d04..19e4b617 100644
--- a/CoreCms.Net.Web.Admin/Controllers/User/CoreCmsUserController.cs
+++ b/CoreCms.Net.Web.Admin/Controllers/User/CoreCmsUserController.cs
@@ -1110,11 +1110,18 @@ namespace CoreCms.Net.Web.Admin.Controllers
                 return jm;
             }
 
-            var parentObj = await _coreCmsUserServices.QueryByIdAsync(entity.parentId);
-            if (parentObj == null)
+            if (entity.parentId > 0)
             {
-                jm.msg = "不存在此上级信息";
-                return jm;
+                var parentObj = await _coreCmsUserServices.QueryByIdAsync(entity.parentId);
+                if (parentObj == null)
+                {
+                    jm.msg = "不存在此上级信息";
+                    return jm;
+                }
+            }
+            else
+            {
+                entity.parentId = 0;
             }
 
             var bl = await _coreCmsUserServices.UpdateAsync(p => new CoreCmsUser() { parentId = entity.parentId }, p => p.id == model.id);