diff --git a/src/components/management/StuffHeader.jsx b/src/components/management/StuffHeader.jsx
index 0ed58b34..d7e3246d 100644
--- a/src/components/management/StuffHeader.jsx
+++ b/src/components/management/StuffHeader.jsx
@@ -59,13 +59,15 @@ export default function StuffHeader() {
       <div className="sub-table-box">
         <div className="info-title">{getMessage('stuff.detail.header.lastEditDatetime')}</div>
         <div className="info-inner">
-          {dayjs(headerData.lastEditDatetime).format('YYYY.MM.DD HH:mm:ss')} ({headerData.lastEditUserName})
+          {headerData?.lastEditDatetime ? `${dayjs(headerData.lastEditDatetime).format('YYYY.MM.DD HH:mm:ss')}` : ''}{' '}
+          {headerData?.lastEditUserName ? `(${headerData.lastEditUserName})` : null}
         </div>
       </div>
       <div className="sub-table-box">
         <div className="info-title">{getMessage('stuff.detail.header.createDatetime')}</div>
         <div className="info-inner">
-          {dayjs(headerData.createDatetime).format('YYYY.MM.DD')} ({headerData.createUserName})
+          {headerData?.createDatetime ? `${dayjs(headerData.lastEditDatetime).format('YYYY.MM.DD')}` : ''}{' '}
+          {headerData?.createUserName ? `(${headerData.createUserName})` : null}
         </div>
       </div>
     </div>