diff --git a/.config.php b/.config.php
index 74a55c9..20170c0 100644
--- a/.config.php
+++ b/.config.php
@@ -7,6 +7,7 @@ return [
 		'admin-email' => 'admin@sjzezoj.com',
 		'QQ-group' => '',
 		'ICP-license' => '冀ICP备2020028886号',
+		'police-license' => '冀公网安备13010502002309号',
 	],
 	'database' => [
 		'database' => 'app_uoj233',
diff --git a/web/app/.default-config.php b/web/app/.default-config.php
index fab8e0e..f872e9e 100644
--- a/web/app/.default-config.php
+++ b/web/app/.default-config.php
@@ -6,7 +6,8 @@ return [
 		'administrator' => 'root',
 		'admin-email' => 'admin@sjzezoj.com',
 		'QQ-group' => '',
-		'ICP-license' => '冀ICP备2020028886号',
+		'ICP-license' => '',
+		'police-license' => '',
 		's2oj-version' => 'dev'
 	],
 	'database' => [
diff --git a/web/app/views/page-footer.php b/web/app/views/page-footer.php
index 28fd689..15721ec 100644
--- a/web/app/views/page-footer.php
+++ b/web/app/views/page-footer.php
@@ -18,11 +18,19 @@ if (!isset($ShowPageFooter)) {
 					&copy; <?= date('Y') ?>
 					<a class="text-decoration-none" href="<?= HTML::url('/') ?>">S2OJ</a>
 					(build: <a class="text-decoration-none" href="https://github.com/renbaoshuo/S2OJ<?= UOJConfig::$data['profile']['s2oj-version'] == "dev" ? '' : '/tree/' . UOJConfig::$data['profile']['s2oj-version'] ?>"><?= UOJConfig::$data['profile']['s2oj-version'] ?></a>)
+				</div>
+				<div class="small mt-1">
 					<?php if (UOJConfig::$data['profile']['ICP-license'] != '') : ?>
-						| <a class="text-muted text-decoration-none" target="_blank" href="https://beian.miit.gov.cn">
+						<a class="text-muted text-decoration-none d-inline-block mr-2" target="_blank" href="https://beian.miit.gov.cn">
 							<?= UOJConfig::$data['profile']['ICP-license'] ?>
 						</a>
 					<?php endif ?>
+					<?php if (UOJConfig::$data['profile']['police-license'] != '') : ?>
+						<a class="text-muted text-decoration-none d-inline-block mr-2" target="_blank" href="https://beian.mps.gov.cn/#/query/webSearch">
+							<img src="<?= HTML::url('/images/police-beian.png') ?>" style="height: 1em; vertical-align: middle" />
+							<?= UOJConfig::$data['profile']['police-license'] ?>
+						</a>
+					<?php endif ?>
 				</div>
 				<div class="small mt-1">
 					<?= UOJLocale::get('server time') ?>: <?= UOJTime::$time_now_str ?>
diff --git a/web/images/police-beian.png b/web/images/police-beian.png
new file mode 100644
index 0000000..2a13ba2
Binary files /dev/null and b/web/images/police-beian.png differ