diff --git a/apps/web/src/oj/class/pk.vue b/apps/web/src/oj/class/pk.vue
index cfe3f5e..c46e430 100644
--- a/apps/web/src/oj/class/pk.vue
+++ b/apps/web/src/oj/class/pk.vue
@@ -156,7 +156,6 @@ async function analyze() {
         </div>
         <n-button
           v-if="teacher && isDesktop"
-          size="small"
           secondary
           type="info"
           :disabled="selected.length < 2"