fix: 1

scene/public/static/js/main_2020_show.js

@@ -3231,7 +3231,7 @@ window.Modernizr = function(n, e, t) {
             var hotList = $('#hotListWrap')[0];
             hotList.classList.remove('hotListActive');
             $('#hotListContent ul .active').removeClass('active');
-            $('#hotList')[0].classList.remove('active')
+            $('#hotList')[0]?.classList.remove('active')
         }
         ,
         n.prototype.onTouchMove = function(e) {