diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
index 9d054f01..99809897 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/filedb/FileDatabaseService.java
@@ -45,7 +45,7 @@ import cn.axzo.nanopart.doc.entity.IndexNode;
 import cn.axzo.nanopart.doc.entity.TemplateDatabase;
 import cn.axzo.nanopart.doc.file.index.IndexManager;
 import cn.axzo.nanopart.doc.file.index.IndexQueryService;
-import cn.axzo.nanopart.doc.file.index.copy.CopiedOssFiles;
+import cn.axzo.nanopart.doc.file.index.copy.OssFilesCopy;
 import cn.axzo.nanopart.doc.file.index.copy.SetScopeCopyFileVisitor;
 import cn.axzo.nanopart.doc.file.index.domain.IndexNodes;
 import cn.axzo.nanopart.doc.file.templatedb.TemplateDatabaseQueryService;
@@ -123,12 +123,12 @@ public class FileDatabaseService {
 	private Future<?> asyncCopySubtree(FileDatabase db, IndexNode templateRoot, @Nullable Runnable postProcessor) {
 		return indexManager.async(() -> {
 			// don't inline in transaction
-			CopiedOssFiles copiedOssFiles = indexManager.copySubtreeOssFiles(templateRoot);
+			OssFilesCopy filesCopy = indexManager.copySubtreeOssFiles(templateRoot);
 			transaction.executeWithoutResult(unused -> {
 				FileDatabase reload = fileDatabaseDao.getForUpdateOrThrow(db.getCode());
 				if (reload.isActivated())
 					return;
-				indexManager.copySubTree(templateRoot, null, new SetScopeCopyFileVisitor(copiedOssFiles, db));
+				indexManager.copySubTree(templateRoot, null, new SetScopeCopyFileVisitor(filesCopy, db));
 				fileDatabaseDao.updateState(db.getCode(), FileDatabaseState.ACTIVATED);
 				fileDatabaseDao.setPurchaseTime(db.getCode(), new Date());
 				if (postProcessor != null)
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 90ae521a..d4f2a220 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
@@ -25,7 +25,7 @@ import cn.axzo.nanopart.doc.dao.DocLogDao;
 import cn.axzo.nanopart.doc.dao.IndexNodeDao;
 import cn.axzo.nanopart.doc.entity.IndexNode;
 import cn.axzo.nanopart.doc.file.index.copy.ConnectNodeVisitor;
-import cn.axzo.nanopart.doc.file.index.copy.CopiedOssFiles;
+import cn.axzo.nanopart.doc.file.index.copy.OssFilesCopy;
 import cn.axzo.nanopart.doc.file.index.copy.CopyFileVisitor;
 import cn.axzo.nanopart.doc.file.index.copy.CopyNodeVisitor;
 import cn.axzo.nanopart.doc.file.index.domain.NameUsedException;
@@ -157,10 +157,10 @@ public class IndexManager {
 		return subtree;
 	}
 
-	public CopiedOssFiles copySubtreeOssFiles(IndexNode srcNode) {
+	public OssFilesCopy copySubtreeOssFiles(IndexNode srcNode) {
 		BizAssertions.assertFalse(TransactionSynchronizationManager.isActualTransactionActive(), "不能在事务中使用");
 		List<String> ossFileKeys = indexNodeDao.collectValidSubtreeFileOssKeys(srcNode);
-		return new CopiedOssFiles(ossClient.copy(ossFileKeys));
+		return new OssFilesCopy(ossClient.copy(ossFileKeys));
 	}
 
 	/**
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/CopyFileVisitor.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/CopyFileVisitor.java
index 95dc316f..c2179fee 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/CopyFileVisitor.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/CopyFileVisitor.java
@@ -13,14 +13,14 @@ import lombok.RequiredArgsConstructor;
 @RequiredArgsConstructor
 public class CopyFileVisitor extends CopyNodeVisitor {
 
-	private final CopiedOssFiles copiedOssFiles;
+	private final OssFilesCopy ossFilesCopy;
 
 	@Override
 	public WalkingDecision visit(ValueNode<IndexNode> node) {
 		IndexNode copy = node.getValue();
 		if (copy.isFile()) {
 			FileAttributes fileAttributes = copy.getOrCreateFileAttributes();
-			String newOssFileKey = copiedOssFiles.getCopyOssFileKey(fileAttributes.getOssFileKey());
+			String newOssFileKey = ossFilesCopy.getCopyOssFileKey(fileAttributes.getOssFileKey());
 			fileAttributes.setOssFileKey(newOssFileKey);
 		}
 		return super.visit(node);
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/CopiedOssFiles.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/OssFilesCopy.java
similarity index 91%
rename from doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/CopiedOssFiles.java
rename to doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/OssFilesCopy.java
index e05d5ad5..42ba1466 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/CopiedOssFiles.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/OssFilesCopy.java
@@ -9,7 +9,7 @@ import lombok.RequiredArgsConstructor;
  * @author yanglin
  */
 @RequiredArgsConstructor
-public class CopiedOssFiles {
+public class OssFilesCopy {
 
 	private final Map<String, String> old2newOssFileKey;
 
diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/SetScopeCopyFileVisitor.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/SetScopeCopyFileVisitor.java
index b2415ff0..b02e3542 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/SetScopeCopyFileVisitor.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/SetScopeCopyFileVisitor.java
@@ -13,8 +13,8 @@ public class SetScopeCopyFileVisitor extends CopyFileVisitor {
 
 	private final IndexNodeScope nodeScope;
 
-	public SetScopeCopyFileVisitor(CopiedOssFiles copiedOssFiles, IndexNodeScope nodeScope) {
-		super(copiedOssFiles);
+	public SetScopeCopyFileVisitor(OssFilesCopy ossFilesCopy, IndexNodeScope nodeScope) {
+		super(ossFilesCopy);
 		this.nodeScope = nodeScope;
 	}