添加此CSS：

@supports (-webkit-touch-callout: none) {
   /* CSS specific to iOS devices */ 
    .js .page-template-page-templatesportfolio-page-php .jetpack-portfolio .image-link {display:block !important;}
    .js .page-template-page-templatesportfolio-page-php .jetpack-portfolio .view-link {opacity: 1 !important;}
    .js .page-template-page-templatesportfolio-page-php .jetpack-portfolio .post-thumbnail-wrapper {background-color: #007cad !important;}
}

在functions.php中添加以下代码：

function fix_ios_double_tap_issue() {
  echo '<script>document.addEventListener("touchstart", function() {},false);</script>';
}

add_action('wp_head', 'fix_ios_double_tap_issue');