diff --git a/src/components/Manufacture/WorkOrderPackTableTreeNew/index.js b/src/components/Manufacture/WorkOrderPackTableTreeNew/index.js
index 23ee7be..335dbd9 100644
--- a/src/components/Manufacture/WorkOrderPackTableTreeNew/index.js
+++ b/src/components/Manufacture/WorkOrderPackTableTreeNew/index.js
@@ -3309,13 +3309,13 @@ const controlProps = props => {
         // 使用Set来记录已处理节点，防止循环引用
         const processedNodes = new Set();
 
-        const findChildren = (parentId, allNodes) => {
+        const findChildren = (parentId = '', allNodes) => {
           // 防止重复处理同一个父节点
           if (processedNodes.has(parentId)) return [];
           processedNodes.add(parentId);
 
           const children = allNodes.filter(node =>
-            node.sControlParentId === parentId && !processedNodes.has(node.sNodeId)
+            parentId &&  node.sControlParentId === parentId && !processedNodes.has(node.sNodeId)
           );
 
           return children.concat(