diff --git a/frontend/components/v2/config-panels/V2BomItemEditorConfigPanel.tsx b/frontend/components/v2/config-panels/V2BomItemEditorConfigPanel.tsx
index 2b46dd81..ccc37664 100644
--- a/frontend/components/v2/config-panels/V2BomItemEditorConfigPanel.tsx
+++ b/frontend/components/v2/config-panels/V2BomItemEditorConfigPanel.tsx
@@ -140,19 +140,22 @@ export function V2BomItemEditorConfigPanel({
   const currentTableName = screenTableName || propCurrentTableName;
 
   const config: BomItemEditorConfig = useMemo(
-    () => ({
-      columns: [],
-      ...propConfig,
-      dataSource: { ...propConfig?.dataSource },
-      features: {
-        showAddButton: true,
-        showDeleteButton: true,
-        inlineEdit: false,
-        showRowNumber: false,
-        maxDepth: 3,
-        ...propConfig?.features,
-      },
-    }),
+    () => {
+      const { columns: propColumns, ...rest } = propConfig || {} as BomItemEditorConfig;
+      return {
+        ...rest,
+        columns: propColumns || [],
+        dataSource: { ...propConfig?.dataSource },
+        features: {
+          showAddButton: true,
+          showDeleteButton: true,
+          inlineEdit: false,
+          showRowNumber: false,
+          maxDepth: 3,
+          ...propConfig?.features,
+        },
+      };
+    },
     [propConfig],
   );
 
diff --git a/frontend/components/v2/config-panels/V2BomTreeConfigPanel.tsx b/frontend/components/v2/config-panels/V2BomTreeConfigPanel.tsx
index 11979eb9..17f298d4 100644
--- a/frontend/components/v2/config-panels/V2BomTreeConfigPanel.tsx
+++ b/frontend/components/v2/config-panels/V2BomTreeConfigPanel.tsx
@@ -134,18 +134,21 @@ export function V2BomTreeConfigPanel({
   const currentTableName = screenTableName || propCurrentTableName;
 
   const config: BomTreeConfig = useMemo(
-    () => ({
-      columns: [],
-      ...propConfig,
-      dataSource: { ...propConfig?.dataSource },
-      features: {
-        showExpandAll: true,
-        showHeader: true,
-        showQuantity: true,
-        showLossRate: true,
-        ...propConfig?.features,
-      },
-    }),
+    () => {
+      const { columns: propColumns, ...rest } = propConfig || {} as BomTreeConfig;
+      return {
+        ...rest,
+        columns: propColumns || [],
+        dataSource: { ...propConfig?.dataSource },
+        features: {
+          showExpandAll: true,
+          showHeader: true,
+          showQuantity: true,
+          showLossRate: true,
+          ...propConfig?.features,
+        },
+      };
+    },
     [propConfig],
   );