缺少引用报错...

frontend/operation-web/app/view/tools/ClearCache.js

@@ -2,6 +2,8 @@ Ext.define('saas.view.tools.ClearCache', {
     extend: 'Ext.form.Panel',
     xtype: 'tools-clearcache',
 
+    requires: ['Ext.form.field.Display'],
+
     layout: 'column',
     width: 350,
     bodyPadding: 10,