更新 yvan-ext-mobile.js

dist/yvan-ext-mobile.js

@@ -40328,7 +40328,7 @@ define(['exports'], function (exports) { 'use strict';
    */
   function getFileds(newConfig) {
       var fields = [];
-      lodash.forEach(newConfig.columns, function (c) {
+      lodash.forEach(newConfig.columns || newConfig._columns, function (c) {
           if (c.dataIndex) {
               fields.push(c.dataIndex);
           }