From e393ffedf7be59b23ae47101d94275b93b82bb63 Mon Sep 17 00:00:00 2001
From: yuetsh <517252939@qq.com>
Date: Tue, 29 Sep 2026 23:58:03 +0800
Subject: [PATCH] =?UTF-8?q?feat(=E8=AF=BE=E5=A0=82=E7=9C=8B=E6=9D=BF):=20?=
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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 apps/web/src/oj/classroom/board.vue | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/web/src/oj/classroom/board.vue b/apps/web/src/oj/classroom/board.vue
index 490385a..c3ffc79 100644
--- a/apps/web/src/oj/classroom/board.vue
+++ b/apps/web/src/oj/classroom/board.vue
@@ -269,6 +269,13 @@ function submissionsHref(
           >
         </n-text>
         <n-button :loading="loading" @click="load">刷新</n-button>
+        <!-- 看板只管今天；以前几节课的、任意时间段的去数据统计（带上这个班） -->
+        <n-button
+          v-if="!projector"
+          @click="router.push({ name: 'statistics', query: className ? { className } : {} })"
+        >
+          回头看 →
+        </n-button>
         <n-button :type="projector ? 'primary' : 'default'" @click="projector = !projector">
           {{ projector ? "退出投影" : "投影模式" }}
         </n-button>