diff --git a/funcext/TSOffice/TSUtils/NodeInfo.tsf b/funcext/TSOffice/TSUtils/NodeInfo.tsf
index b11ca03..9a40686 100644
--- a/funcext/TSOffice/TSUtils/NodeInfo.tsf
+++ b/funcext/TSOffice/TSUtils/NodeInfo.tsf
@@ -63,6 +63,7 @@ public
 
 	Function Marshal();
 	Begin
+		children_ := nil;
 		GetChildrenEx();	//优化为变量，减少数据COPY，2022-12-10
 		child_arr := array();
 		len := 0;