YITH Woocommerce magnifier alway stuck "loading"

I’m using YITH WooCommerce Zoom Magnifier version 1.2.20.
And in product detail page, I alway stuck in loading on image. Beside that, It can not show main image when I click on thumbail image. I don’t know exactly why. Please help me,
Here is my url: http://team.yousport.vn/san-pham/ao-psg-2016-2017-xanh-player/