优化产品详情第一张图为主图

app/design/frontend/Joshine/breeze/Magento_Catalog/templates/product/view/gallery.phtml

 <?php
 <?php
 $images = $block->getGalleryImages()->getItems();
 $images = $block->getGalleryImages()->getItems();
-$mainImage = current(array_filter($images, function ($img) use ($block) {
-    return $block->isMainImage($img);
-}));
+$mainImage = null;
 
 
 if (!empty($images) && empty($mainImage)) {
 if (!empty($images) && empty($mainImage)) {
     $mainImage = $block->getGalleryImages()->getFirstItem();
     $mainImage = $block->getGalleryImages()->getFirstItem();
+
 }
 }
 
 
 $helper = $block->getData('imageHelper');
 $helper = $block->getData('imageHelper');
@@ -197,9 +196,7 @@ $thumbSizes = $responsiveImageHelper->getSizes('product_page_image_small');
     ], function ($) {
     ], function ($) {
         $(".thumbnails > a").removeClass("active");
         $(".thumbnails > a").removeClass("active");
         $(".thumbnails > a:first").addClass("active");
         $(".thumbnails > a:first").addClass("active");
-        var main_img = $(".thumbnails > a:first").attr("name");
-        $(".main-image").attr("src",main_img);
-
+        
         $(".thumbnails > a").mouseover(function (s) {
         $(".thumbnails > a").mouseover(function (s) {
             var main_img = $(this).attr("name");
             var main_img = $(this).attr("name");
             $(".main-image").attr("src",main_img);
             $(".main-image").attr("src",main_img);