diff --git a/src/components/floor-plan/CanvasLayout.jsx b/src/components/floor-plan/CanvasLayout.jsx
index 43e4388a..059e96aa 100644
--- a/src/components/floor-plan/CanvasLayout.jsx
+++ b/src/components/floor-plan/CanvasLayout.jsx
@@ -31,6 +31,7 @@ export default function CanvasLayout({ children }) {
   return (
     <div className="canvas-layout">
       <div className={`canvas-page-list ${['outline', 'surface', 'module'].includes(selectedMenu) ? 'active' : ''}`}>
+        <div className="canvas-id">{objectNo}</div>
         <div className="canvas-plane-wrap">
           {plans.map((plan, index) => (
             <button