diff --git a/public/assets/js/fast.js b/public/assets/js/fast.js
index 18d0ea51..22f12f5f 100644
--- a/public/assets/js/fast.js
+++ b/public/assets/js/fast.js
@@ -303,12 +303,13 @@ define(['jquery', 'bootstrap', 'toastr', 'layer', 'lang', 'slimscroll'], functio
             //公共代码
             $(function ($) {
                 if (self === top) {
-                    $('#main').slimScroll({height: $(window).height() + 'px'});
+                    $('div[role="main"]').slimScroll({height: $(window).height() + 'px'});
                 } else {
                     var ScrollHeight = $('iframe', parent.document).height();
-                    if (ScrollHeight) {
-                        $('#main').slimScroll({height: ScrollHeight + 'px'});
+                    if (!ScrollHeight || ScrollHeight === 100) {
+                        ScrollHeight = $('.content-wrapper', parent.document).height();
                     }
+                    $('div[role="main"]').slimScroll({height: ScrollHeight + 'px'});
                 }
             });
             //配置Toastr的参数