核销单只有一个从表进入单据报错

frontend/saas-web/app/view/core/form/FormPanel.js

@@ -317,7 +317,7 @@ Ext.define('saas.view.core.form.FormPanel', {
 
         var detailGrids = me.query('detailGridField');
 
-        for (var i = 0; i < detailCount; i++) {
+        for (var i = 0; i < detailGrids.length; i++) {
             var detailData = formData['detail' + i] || [],
                 detail = viewData['detail' + i],
                 grid = detailGrids[i],