diff --git a/backend/Furion.Extras.Admin.NET/Util/TreeBuildUtil.cs b/backend/Furion.Extras.Admin.NET/Util/TreeBuildUtil.cs
index 0c76f2154770731a8c5b69f4d6b94d802d1b482a..e7abef121d9d0c7b15a8800c956b0751ee36433f 100644
--- a/backend/Furion.Extras.Admin.NET/Util/TreeBuildUtil.cs
+++ b/backend/Furion.Extras.Admin.NET/Util/TreeBuildUtil.cs
@@ -1,4 +1,4 @@
-using System.Collections;
+using System.Collections;
 using System.Collections.Generic;
 
 namespace Furion.Extras.Admin.NET
@@ -36,7 +36,16 @@ namespace Furion.Extras.Admin.NET
         /// <summary>
         /// 顶级节点的父节点Id(默认0)
         /// </summary>
-        private readonly long _rootParentId = 0L;
+        private long _rootParentId = 0L;
+
+        /// <summary>
+        /// 设置根节点方法
+        /// 查询数据可以设置其他节点为根节点，避免父节点永远是0，查询不到数据的问题
+        /// </summary>
+        public void SetRootParentId(long rootParentId)
+        {
+            _rootParentId = rootParentId;
+        }
 
         /// <summary>
         /// 构造树节点