diff --git a/templates/competition/member/index.html b/templates/competition/member/index.html
index 3e606ba..8eac798 100644
--- a/templates/competition/member/index.html
+++ b/templates/competition/member/index.html
@@ -107,7 +107,7 @@
                 <div class="b_1tx4m">
                     <picture>
                         <img crossorigin="anonymous" fetchpriority="high" loading="eager" alt="{{ post.title }}" class="b_1tx4m"
-                            src="/b/posts/{{ post.medias[0] }}" data-src="/b/posts/{{ post.medias_original[0] }}">
+                            src="/b/posts/{{ post.medias_original[0] }}/500/90/80" data-src="/b/posts/{{ post.medias_original[0] }}">
                     </picture>
                 </div>
                 <figcaption class="c_fzh03 b_bp0ws">