后台优化

@@ -26,12 +26,16 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                         if (res.code === 1) {
                             var domain = window.location.href.split(':')[0] + '://' + document.domain;
                             var url = domain + '/back.php/study/down_file';
-                            window.location.href = url;
+                            var link = document.createElement('a');
+                            link.setAttribute("download", "");
+                            link.href = url;
+                            link.click();
                             $(".btn-refresh").trigger("click");
                         }
                     }
                 });
             });
+
             //导出功能
             $(document).on("click", ".btn-export", function () {
                 var ids = Table.api.selectedids(table);