diff --git a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/ScopedCopyFileVisitor.java b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/ScopedCopyFileVisitor.java
index c8866603..e35cea17 100644
--- a/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/ScopedCopyFileVisitor.java
+++ b/doc/doc-server/src/main/java/cn/axzo/nanopart/doc/file/index/copy/ScopedCopyFileVisitor.java
@@ -20,8 +20,7 @@ public class ScopedCopyFileVisitor extends CopyFileVisitor {
 
 	@Override
 	public WalkingDecision visit(ValueNode<IndexNode> node) {
-		IndexNode indexNode = node.<IndexNode> asValueNode().getValue();
-		IndexNode.setScope(indexNode, nodeScope);
+        IndexNode.setScope(node.getValue(), nodeScope);
 		return super.visit(node);
 	}