diff --git a/frontend/components/admin/dashboard/widgets/yard-3d/HierarchyConfigPanel.tsx b/frontend/components/admin/dashboard/widgets/yard-3d/HierarchyConfigPanel.tsx
index d309c92f..4def424c 100644
--- a/frontend/components/admin/dashboard/widgets/yard-3d/HierarchyConfigPanel.tsx
+++ b/frontend/components/admin/dashboard/widgets/yard-3d/HierarchyConfigPanel.tsx
@@ -526,7 +526,7 @@ export default function HierarchyConfigPanel({
                         <span className="w-20 shrink-0 text-[10px]">{col}</span>
                         {isSelected && (
                           <Input
-                            value={displayItem?.label || col}
+                            value={displayItem?.label ?? ""}
                             onChange={(e) => {
                               const currentDisplay = localConfig.material?.displayColumns || [];
                               const newDisplay = currentDisplay.map((d) =>