update

src/static/UEditor/ueditor.all.js

@@ -24547,7 +24547,7 @@ UE.plugin.register('simpleupload', function() {
           var link = me.options.imageUrlPrefix + res.url;
 
           if (res.state == 'SUCCESS' && res.url) {
-            loader = me.document.getElementById(loadingId);
+            var loader = me.document.getElementById(loadingId);
             console.log(loader,1111111111111111)
             loader.setAttribute('src', link);
             loader.setAttribute('_src', link);