diff --git a/view/article/service_detail.html b/view/article/service_detail.html
index 1caaf57..aaeb829 100755
--- a/view/article/service_detail.html
+++ b/view/article/service_detail.html
@@ -17,7 +17,7 @@ $childrenMenu = Category::getChildrenByParentId($topCategoryId);
           {foreach $images as $img}
           <div class="swiper-slide">
             <a href="{$img['link'] ?: 'javascript:;'}">
-              <img src="{$img.src ?? ''}" alt="{$img.alt}">
+              <img src="{$img.src ?? ''}" alt="{$img.alt ?? ''}">
             </a>
           </div>
           {/foreach}
@@ -45,7 +45,7 @@ $childrenMenu = Category::getChildrenByParentId($topCategoryId);
     <div class="resource-advantage wow fadeInUp" data-wow-duration="0.8s" data-wow-delay="0">
       {if !empty($resource)}
       {foreach $resource as $res}
-      <img src="{$res.src ?? ''}" alt="{$res.alt}" style="width: 100%;padding-top: 5px;">
+      <img src="{$res.src ?? ''}" alt="{$res.alt ?? ''}" style="width: 100%;padding-top: 5px;">
       {/foreach}
       {/if}
     </div>