The mandatory attribute ‘height’ is missing in tag ‘amp-img

解决办法：为图片设置高度和宽度并设置布局模式

<amp-img class="amamp-image -wysiwyg" src="{{media url="amasty/amp/images/JaxpetybannerHattieHuang1730x458_1_.jpg"}}" alt="background image" width="1280" height="400" layout="responsive"></amp-img>