增加判断

FormInsertDiy/AffairPage/Detail.js

@@ -23,7 +23,7 @@ export default class Detail extends Component{
 
   componentDidMount(){
     window.addEventListener('message', (event) => {
-      if(event.data.indexOf('iframeDetailHeight') > -1){
+      if(event.data &&  event.data.indexOf &&  event.data.indexOf('iframeDetailHeight') > -1){
         let height = Number(event.data.split('-')[1]);
         document.getElementById('detailIframeId').height = height;
       }