diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/IndexNode.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/IndexNode.java
index bfb388ee..ba76699f 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/IndexNode.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/entity/IndexNode.java
@@ -152,6 +152,16 @@ public class IndexNode extends BaseEntity<IndexNode> implements NodeValue, Index
 		indexNode.setScopeCode(scope.scopeCode());
 	}
 
+	public boolean isParentOf(IndexNode node) {
+		if (isSameNode(node))
+			return false;
+		return node.path.startsWith(path);
+	}
+
+	public boolean isSameNode(IndexNode node) {
+		return id.equals(node.id);
+	}
+
 	@JsonIgnore
 	@JSONField(serialize = false, deserialize = false)
 	public String getFullFileName() {
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 e3c1a5db..1946b08c 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
@@ -158,6 +158,8 @@ public class IndexManager {
 		BizAssertions.assertTrue(indexNodeDao.validSubtreeFileCount(srcNode) <= docProps.getIndexNodeMaxCopyFileSize(),
 			"拷贝文件数超过限制: {}", docProps.getIndexNodeMaxCopyFileSize());
 		IndexNode destParentNode = findOrNull(destParentCode);
+		if (destParentNode != null)
+			checkBeforeMoveOrCopy(srcNode, destParentNode, "拷贝");
 		return async(() -> {
 			// don't inline in transaction
 			CopyFileVisitor copyNodeVisitor = new CopyFileVisitor(copySubtreeOssFiles(srcNode));
@@ -179,7 +181,7 @@ public class IndexManager {
 		IndexNode srcNode = getOrThrow(srcCode);
 		IndexNode destParentNode = StringUtils.isBlank(destParentCode) ? null : getOrThrow(destParentCode);
 		if (destParentNode != null)
-			BizAssertions.assertFalse(srcNode.isDirectory() && destParentNode.isFile(), "不能移动文件夹到文件下");
+			checkBeforeMoveOrCopy(srcNode, destParentNode, "移动");
 		return async(() -> {
 			RootNode<IndexNode> moveRoot = TreeBuilder.build(collectValidSubtreeAsValueRoot(srcNode));
 			return transaction.execute(unused -> {
@@ -189,6 +191,12 @@ public class IndexManager {
 		});
 	}
 
+	private static void checkBeforeMoveOrCopy(IndexNode srcNode, IndexNode destParentNode, String op) {
+		BizAssertions.assertFalse(srcNode.isDirectory() && destParentNode.isFile(), "不能{}文件夹到文件下", op);
+		BizAssertions.assertFalse(srcNode.isSameNode(destParentNode), "不能{}到同一节点下", op);
+		BizAssertions.assertFalse(srcNode.isParentOf(destParentNode), "不能{}到子节点下", op);
+	}
+
 	@BizTransactional
 	public IndexNode copySubTree(IndexNode src, @Nullable IndexNode destParent, CopyNodeVisitor copyNodeVisitor) {
 		RootNode<IndexNode> srcRoot = TreeUtils.transform(collectValidSubtreeAsValueRoot(src), IndexNode.class);