diff --git a/public/logobeginPC.mp4 b/public/logobeginPC.mp4
new file mode 100644
index 0000000..83f716c
Binary files /dev/null and b/public/logobeginPC.mp4 differ
diff --git a/public/logobeginwep.mp4 b/public/logobeginwep.mp4
new file mode 100644
index 0000000..a7112b0
Binary files /dev/null and b/public/logobeginwep.mp4 differ
diff --git a/src/components/ExamplesContent.vue b/src/components/ExamplesContent.vue
index c57857e..d98b344 100644
--- a/src/components/ExamplesContent.vue
+++ b/src/components/ExamplesContent.vue
@@ -26,7 +26,7 @@
           :href="`/ExampleItem?id=${item.id}`"
       >
         <div class="listblock">
-          <img :src="`https://cms.yangprivate.site${item.headimage.formats.thumbnail.url}`" alt="" />
+          <img :src="`https://cms.yangprivate.site${item.headimage.formats.large.url}`" alt="" />
           <div class="itemtext">
             <span class="upspan">
               {{item.brandname_cn}}