diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/DocPrivateController.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/DocPrivateController.java
index 36ba0a9a..56c1d683 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/DocPrivateController.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/DocPrivateController.java
@@ -3,7 +3,6 @@ package cn.axzo.nanopart.doc.file;
 
 import java.util.List;
 
-import com.alibaba.fastjson.serializer.SimplePropertyPreFilter;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
@@ -11,12 +10,13 @@ import org.springframework.web.bind.annotation.RestController;
 
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.parser.Feature;
+import com.alibaba.fastjson.serializer.SimplePropertyPreFilter;
 
 import cn.axzo.maokai.api.vo.response.tree.Node;
-import cn.axzo.maokai.api.vo.response.tree.TreeBuilder;
 import cn.axzo.nanopart.doc.entity.IndexNode;
 import cn.axzo.nanopart.doc.file.index.IndexQueryService;
 import cn.axzo.nanopart.doc.integration.OssClient;
+import cn.axzo.nanopart.doc.utils.IndexNodeTreeUtils;
 import lombok.RequiredArgsConstructor;
 
 /**
@@ -41,7 +41,7 @@ public class DocPrivateController {
 		SimplePropertyPreFilter filter = new SimplePropertyPreFilter();
 		filter.getExcludes().add("parent");
 		filter.getExcludes().add("treeRoot");
-		Node node = TreeBuilder.build(indexNodes, true).getChildren().get(0);
+		Node node = IndexNodeTreeUtils.build(indexNodes).getChildren().get(0);
 		return JSON.parseObject(JSON.toJSONString(node, filter), Feature.DisableCircularReferenceDetect);
 	}
 
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/IndexManager.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/IndexManager.java
index 2a7d24ca..c35f7301 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/IndexManager.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/IndexManager.java
@@ -14,7 +14,6 @@ import org.springframework.transaction.support.TransactionTemplate;
 
 import cn.axzo.maokai.api.util.Ref;
 import cn.axzo.maokai.api.vo.response.tree.RootNode;
-import cn.axzo.maokai.api.vo.response.tree.TreeBuilder;
 import cn.axzo.maokai.api.vo.response.tree.TreeUtils;
 import cn.axzo.nanopart.doc.api.domain.NodeCreate;
 import cn.axzo.nanopart.doc.api.domain.OssFile;
@@ -33,6 +32,7 @@ import cn.axzo.nanopart.doc.file.index.domain.NameUsedException;
 import cn.axzo.nanopart.doc.file.mq.FileBroadcaster;
 import cn.axzo.nanopart.doc.integration.OssClient;
 import cn.axzo.nanopart.doc.utils.BizTransactional;
+import cn.axzo.nanopart.doc.utils.IndexNodeTreeUtils;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
@@ -185,7 +185,7 @@ public class IndexManager {
 			if (docProps.isLockSubtreeWhenMove())
 				indexSupport.lockSubtree(srcNode);
 			List<IndexNode> subtreeNodes = indexSupport.collectValidSubtreeAsValueRoot(srcNode);
-			RootNode<IndexNode> moveRoot = TreeBuilder.build(subtreeNodes, true);
+			RootNode<IndexNode> moveRoot = IndexNodeTreeUtils.build(subtreeNodes);
 			docLogDao.log("indexNode:asyncMove", srcCode, "srcCode", srcCode, "destParentCode", destParentCode);
 			return connectNodes(moveRoot, destParentNode);
 		}));
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/utils/IndexNodeTreeUtils.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/utils/IndexNodeTreeUtils.java
index 9badee10..8539eecd 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/utils/IndexNodeTreeUtils.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/utils/IndexNodeTreeUtils.java
@@ -10,7 +10,9 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import cn.axzo.maokai.api.vo.response.tree.RootNode;
+import cn.axzo.maokai.api.vo.response.tree.TreeBuilder;
 import cn.axzo.maokai.api.vo.response.tree.TreeUtils;
+import cn.axzo.maokai.api.vo.response.tree.Value;
 import cn.axzo.maokai.api.vo.response.tree.ValueNode;
 import cn.axzo.maokai.api.vo.response.tree.ValueNodeRecursiveVisitor;
 import cn.axzo.maokai.api.vo.response.tree.WalkingDecision;
@@ -29,6 +31,10 @@ public class IndexNodeTreeUtils {
 
 	private final DocProps docProps;
 
+	public static <T extends Value> RootNode<T> build(List<T> values) {
+		return TreeBuilder.build(values, true);
+	}
+
 	public RootNode<IndexNodeInfo> transform(List<IndexNode> subtreeNodes) {
 		RootNode<IndexNodeInfo> root = TreeUtils.transform(subtreeNodes, IndexNodeInfo.class, true);
 		TreeUtils.connectValueChildren(root);