fix

digital-park-web/digital-park/src/views/index/park-introduce/Notice.vue

                                 {{ item.newsName }}
                             </div>
                         </div>
-                        <div>{{ item.createdOn | formatDate("YYYY.MM.DD") }}</div>
+                        <div>{{ item.modifiedOn | formatDate("YYYY.MM.DD") }}</div>
                     </li>
                 </ul>
             </section>
                                 {{ item.newsName }}
                             </div>
                         </div>
-                        <div>{{ item.createdOn | formatDate("YYYY.MM.DD") }}</div>
+                        <div>{{ item.modifiedOn | formatDate("YYYY.MM.DD") }}</div>
                     </li>
                 </ul>
             </div>

digital-park-web/digital-park/src/views/park-information/components/QuestionList.vue

                         {{ item.newsName }}
                     </div>
                 </div>
-                <div>{{ item.createdOn | formatDate("YYYY-MM-DD HH:mm") }}</div>
+                <div>{{ item.modifiedOn | formatDate("YYYY-MM-DD HH:mm") }}</div>
             </li>
         </ul>
     </div>