diff --git a/src/components/floor-plan/modal/object/SizeSetting.jsx b/src/components/floor-plan/modal/object/SizeSetting.jsx
index bdb25821..fd172aee 100644
--- a/src/components/floor-plan/modal/object/SizeSetting.jsx
+++ b/src/components/floor-plan/modal/object/SizeSetting.jsx
@@ -16,7 +16,7 @@ export default function SizeSetting(props) {
 
   return (
     <WithDraggable isShow={true} pos={pos}>
-      <div className={`modal-pop-wrap ssm`}>
+      <div className={`modal-pop-wrap ssm mount`}>
         <div className="modal-head">
           <h1 className="title">{getMessage('modal.size.setting')} </h1>
           <button className="modal-close" onClick={() => closePopup(id)}>