tab switch in cart

@@ -49,6 +49,8 @@ if ($('.cart-nav').length > 0) {
         //切换普通商品和预售商品购物车显示
         //切换普通商品和预售商品购物车显示
         $cartContent.toggleClass('hide');
         $cartContent.toggleClass('hide');
 
 
+        hasChecked = $('.cart-content:not(.hide) .icon-cb-checked').length > 0 ? true : false;
+
         //trigger lazyload
         //trigger lazyload
         $(window).trigger('scroll');
         $(window).trigger('scroll');
     });
     });