diff --git a/src/components/QuickQuote/index.jsx b/src/components/QuickQuote/index.jsx
index 7752cd7..ed74315 100644
--- a/src/components/QuickQuote/index.jsx
+++ b/src/components/QuickQuote/index.jsx
@@ -1153,7 +1153,7 @@ const TreeComponent = props => {
         props.setState(pre => {
           const { masterData = {} } = pre;
           const { sProductName, sProductUnit } = masterData;
-          const showNameList = [...flattenArray(treeData).map(item => item.showName), ""];
+          const showNameList = [...flattenArray(treeData).map(item => item.showName), "", undefined];
           return {
             ...pre,
             selectedNode: select.selectedNodes[0]?.treeNode || {},