fixes some bugs to gzip css and js

@@ -8678,6 +8678,7 @@ var chosePanel = require("js/cart/chose-panel"),
 
 var $cartContent = $('.cart-content'),
     cartType = $('#cartType').val(),
+    $cartNav = $('.cart-nav'),
     hasShowCartPresellTip = false;
 
 var navHammer,
@@ -8769,7 +8770,7 @@ if ('advance' === cartType) {
     $(window).trigger('scroll');
 }
 
-if ($('.cart-nav').length > 0) {
+if ($cartNav.length > 0) {
     navHammer = new Hammer(document.getElementsByClassName('cart-nav')[0]);
     navHammer.on('tap', function(e) {
         var $this = $(e.target).closest('li');
@@ -8844,6 +8845,12 @@ $('.chose').on('touchend', function() {
     chosePanel.show();
 });
 
+$cartNav.on('touchstart', 'li', function(e) {
+    $(this).addClass('bytouch');
+}).on('touchend touchcancel', function() {
+    $cartNav.find('li').removeClass('bytouch');
+});
+
 //提前触发lazyload
 $(window).scrollTop(1).scrollTop(0);