diff --git a/app/Console/Commands/Test.php b/app/Console/Commands/Test.php
index 053ee869..488adcda 100644
--- a/app/Console/Commands/Test.php
+++ b/app/Console/Commands/Test.php
@@ -118,24 +118,13 @@ class Test extends Command
 //        $r = $searchRep->deleteBookmark(1);
 //        $r = $searchRep->addBookmark(1);
 
-//        $rep = new AttendanceRepository();
-//        $uid = 1;
-//        $attendance = $rep->getAttendance($uid);
+        $rep = new AttendanceRepository();
+        $uid = 1;
+        $attendance = $rep->getAttendance($uid);
 //        $r = $rep->migrateAttendanceLogs($uid);
 //        $r = $rep->getContinuousDays($attendance);
-//        $r = $rep->getContinuousPoints(30);
-//        $today = Carbon::today();
-//        $tomorrow = Carbon::tomorrow();
-//        $yesterday = Carbon::parse('+10 days');
-//        dd($today->diffInDays($yesterday));
-//        $r = get_smile(12);
-//        dd($r);
-
-//        $key = "dddd1";
-//        $model = \App\Models\TorrentSecret::query()->where('id', 1)->first();
-//        \Nexus\Database\NexusDB::cache_put($key, $model);
-
-        $peer = new Peer(['last_action' => '2022-04-08 22:20:14']);
+        $r = $rep->getContinuousPoints(11);
+        dd($r);
 
     }
 
diff --git a/app/Repositories/AttendanceRepository.php b/app/Repositories/AttendanceRepository.php
index 5fdc182a..572865c1 100644
--- a/app/Repositories/AttendanceRepository.php
+++ b/app/Repositories/AttendanceRepository.php
@@ -40,9 +40,9 @@ class AttendanceRepository extends BaseRepository
                 $diffDays = $today->diffInDays($added);
                 if ($diffDays == 1) {
                     //yesterday do it, it's continuous
-                    do_log("[CONTINUOUS]");
-                    $continuousDays = $this->getContinuousDays($attendance);
-                    $points = $this->getContinuousPoints($continuousDays);
+                    $continuousDays = $this->getContinuousDays($attendance, Carbon::yesterday());
+                    $points = $this->getContinuousPoints($continuousDays + 1);
+                    do_log("[CONTINUOUS] continuous days from yesterday: $continuousDays, points: $points");
                     $update = [
                         'added' => $now,
                         'points' => $points,
@@ -93,10 +93,10 @@ class AttendanceRepository extends BaseRepository
         $step = $settings['attendance_step'] ?? Attendance::STEP_BONUS;
         $max = $settings['attendance_max'] ?? Attendance::MAX_BONUS;
         $extraAwards = $settings['attendance_continuous'] ?? Attendance::CONTINUOUS_BONUS;
-        $points = min($initial + $days * $step, $max);
+        $points = min($initial + ($days - 1) * $step, $max);
         krsort($extraAwards);
         foreach ($extraAwards as $key => $value) {
-            if ($days >= $key - 1) {
+            if ($days == $key) {
                 $points += $value;
                 break;
             }
@@ -248,14 +248,10 @@ class AttendanceRepository extends BaseRepository
         return $insertCount;
     }
 
-    public function getContinuousDays(Attendance $attendance, $start = ''): int
+    public function getContinuousDays(Attendance $attendance, $start): int
     {
-        if (!empty($start)) {
-            $start = Carbon::parse($start);
-        } else {
-            $start = $attendance->added;
-        }
-        $logQuery = $attendance->logs()->where('date', '<=', $start)->orderBy('date', 'desc');
+        $start = Carbon::parse($start);
+        $logQuery = $attendance->logs()->where('date', '<=', $start->format('Y-m-d'))->orderBy('date', 'desc');
         $attendanceLogs = $logQuery->get(['date'])->keyBy('date');
         $counts = $attendanceLogs->count();
         do_log(sprintf('user: %s, log counts: %s from query: %s', $attendance->uid, $counts, last_query()));
@@ -269,9 +265,9 @@ class AttendanceRepository extends BaseRepository
             $checkDate = $value->format('Y-m-d');
             if ($attendanceLogs->has($checkDate)) {
                 $days++;
-                do_log(sprintf('user: %s, date: %s, has attendance, now days: %s', $attendance->uid, $checkDate, $days));
+                do_log(sprintf('user: %s, date: %s, [HAS_ATTENDANCE], now days: %s', $attendance->uid, $checkDate, $days));
             } else {
-                do_log(sprintf('user: %s, date: %s, not attendance, now days: %s', $attendance->uid, $checkDate, $days));
+                do_log(sprintf('user: %s, date: %s, [NOT_ATTENDANCE], now days: %s', $attendance->uid, $checkDate, $days));
                 break;
             }
         }
@@ -286,24 +282,24 @@ class AttendanceRepository extends BaseRepository
         }
         $attendance = $this->getAttendance($user->id);
         if (!$attendance) {
-            throw new \LogicException("Haven't attendance yet");
+            throw new \LogicException(nexus_trans('attendance.have_not_attendance_yet'));
         }
         $date = Carbon::createFromTimestampMs($timestampMs);
         $now = Carbon::now();
         if ($date->gte($now) || $now->diffInDays($date) > Attendance::MAX_RETROACTIVE_DAYS) {
-            throw new \LogicException(sprintf("date: %s can't be retroactive attend", $date->format('Y-m-d')));
+            throw new \LogicException(nexus_trans('attendance.target_date_can_no_be_retroactive', ['date' => $date->format('Y-m-d')]));
         }
         return NexusDB::transaction(function () use ($user, $attendance, $date) {
             if (AttendanceLog::query()->where('uid', $user->id)->where('date', $date->format('Y-m-d'))->exists()) {
-                throw new \RuntimeException("Already attendance");
+                throw new \RuntimeException(nexus_trans('attendance.already_attendance'));
             }
             if ($user->attendance_card < 1) {
-                throw new \RuntimeException("Attendance card not enough");
+                throw new \RuntimeException(nexus_trans('attendance.card_not_enough'));
             }
             $log = sprintf('user: %s, card: %s, retroactive date: %s', $user->id, $user->attendance_card, $date->format('Y-m-d'));
-            $continuousDays = $this->getContinuousDays($attendance, $date->clone()->subDay(1));
-            $log .= ", continuousDays: $continuousDays";
-            $points = $this->getContinuousPoints($continuousDays);
+            $continuousDays = $this->getContinuousDays($attendance, $date->clone()->subDays(1));
+            $log .= ", continuousDays from prev day: $continuousDays";
+            $points = $this->getContinuousPoints($continuousDays + 1);
             $log .= ", points: $points";
             do_log($log);
             $userUpdates = [
diff --git a/include/functions.php b/include/functions.php
index bbeddac2..b2846fdd 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -262,6 +262,36 @@ function formatYoutube($src, $width = '', $height = ''): string
         $width, $height, $videoId
     ));
 }
+
+function formatSpoiler($content, $title = '', $defaultCollapsed = true): string
+{
+    global $lang_functions;
+    if (!$title) {
+        $title = $lang_functions['spoiler_default_title'];
+    }
+    $content = str_replace(['<br>', '<br />'], '', $content);
+    $contentClass = "spoiler-content";
+    if ($defaultCollapsed) {
+        $contentClass .= " collapse";
+    }
+    $HTML = sprintf(
+        '<div><div><div class="spoiler-title" title="%s">%s</div></div><div class="%s"><pre>%s</pre></div></div>',
+        $lang_functions['spoiler_expand_collapse'], $title, $contentClass, $content
+    );
+    $js = <<<JS
+jQuery('.spoiler-title').on('click', function () {
+    let content = jQuery(this).parent().next();
+    if (content.hasClass('collapse')) {
+         content.height(content[0].scrollHeight).removeClass('collapse')
+    } else {
+        content.height(0).addClass('collapse')
+    }
+})
+JS;
+    \Nexus\Nexus::js($js, 'footer', false, 'spoiler');
+    return addTempCode($HTML);
+}
+
 function format_urls($text, $newWindow = false) {
 //	return preg_replace("/((https?|ftp|gopher|news|telnet|mms|rtsp):\/\/[^()\[\]<>\s]+)/ei", "formatUrl('\\1', ".($newWindow==true ? 1 : 0).", '', 'faqlink')", $text);
 	return preg_replace_callback("/((https?|ftp|gopher|news|telnet|mms|rtsp):\/\/[^()\[\]<>\s]+)/i", function ($matches) use ($newWindow) {
@@ -350,6 +380,12 @@ function format_comment($text, $strip_html = true, $xssclean = false, $newtab =
             return formatYoutube($matches[4], $matches[2], $matches[3]);
         }, $s);
     }
+    //[spoiler=What happens to the hero?]The hero dies at the end![/spoiler]
+    if (str_contains($s, '[spoiler')) {
+        $s = preg_replace_callback("/\[spoiler(=(.*))?\](.+?)\[\/spoiler\]/is", function ($matches) {
+            return formatSpoiler($matches[3], $matches[2], nexus()->getScript() != 'preview');
+        }, $s);
+    }
 
 	// [url=http://www.example.com]Text[/url]
 	if ($adid) {
@@ -2202,7 +2238,7 @@ function menu ($selected = "home") {
 	else
 	print ("<li" . ($selected == "forums" ? " class=\"selected\"" : "") . "><a href=\"" . $extforumurl."\" target=\"_blank\">".$lang_functions['text_forums']."</a></li>");
 	print ("<li" . ($selected == "torrents" ? " class=\"selected\"" : "") . "><a href=\"torrents.php\">".$lang_functions['text_torrents']."</a></li>");
-	if ($enablespecial == 'yes')
+	if ($enablespecial == 'yes' && get_user_class() >= get_setting('authority.view_special_torrent'))
 	print ("<li" . ($selected == "special" ? " class=\"selected\"" : "") . "><a href=\"special.php\">".$lang_functions['text_special']."</a></li>");
 	if ($enableoffer == 'yes')
 	print ("<li" . ($selected == "offers" ? " class=\"selected\"" : "") . "><a href=\"offers.php\">".$lang_functions['text_offers']."</a></li>");
@@ -5105,11 +5141,11 @@ function strip_all_tags($text)
     //替换掉无参数标签
     $bbTags = [
         '[*]', '[b]', '[/b]', '[i]', '[/i]', '[u]', '[/u]', '[pre]', '[/pre]', '[quote]', '[/quote]',
-        '[/color]', '[/font]', '[/size]', '[/url]'
+        '[/color]', '[/font]', '[/size]', '[/url]', '[/youtube]',
     ];
     $text = str_replace($bbTags, '', $text);
     //替换掉有参数标签
-    $pattern = '/\[url=.*\]|\[color=.*\]|\[font=.*\]|\[size=.*\]/isU';
+    $pattern = '/\[url=.*\]|\[color=.*\]|\[font=.*\]|\[size=.*\]|\[youtube.*\]/isU';
     $text = preg_replace($pattern, "", $text);
     //去掉表情
     static $emoji = null;
@@ -5365,7 +5401,7 @@ function build_medal_image(\Illuminate\Support\Collection $medals, $maxHeight =
             if ($medal->pivot->status == \App\Models\UserMedal::STATUS_WEARING) {
                 $checked = ' checked';
             }
-            $html .= sprintf('<label>%s<input type="checkbox" name="medal_wearing_status" value="%s"%s></label>', '佩戴', $medal->id, $checked);
+            $html .= sprintf('<label>%s<input type="checkbox" name="medal_wearing_status" value="%s"%s></label>', nexus_trans('medal.action_wearing'), $medal->pivot->id, $checked);
         }
         $html .= '</div>';
         $medalImages[] = $html;
diff --git a/lang/chs/lang_functions.php b/lang/chs/lang_functions.php
index 826a927d..0943c4d9 100644
--- a/lang/chs/lang_functions.php
+++ b/lang/chs/lang_functions.php
@@ -320,6 +320,8 @@ $lang_functions = array
 	'text_technical_info_help_text' => 'MediaInfo 来自软件 <b><a href="https://mediaarea.net/en/MediaInfo" target=\'_blank\'>MediaInfo</a></b>，用该软件打开文件，点击菜单视图(View)->文件(Text)，在框中右键->全选，再右键->复制，粘贴到这里来。',
     'text_management_system' => '管理系统',
     'text_seed_points' => '做种积分',
+    'spoiler_expand_collapse' => '点击展开/收缩',
+    'spoiler_default_title' => '折叠内容',
 );
 
 ?>
diff --git a/lang/chs/lang_tags.php b/lang/chs/lang_tags.php
index fe3d7266..f9bb4135 100644
--- a/lang/chs/lang_tags.php
+++ b/lang/chs/lang_tags.php
@@ -129,6 +129,10 @@ $lang_tags = array
 	'text_ninety_eight_image_syntax' => " [98img=[auto|number]]图片文件[/98img]",
 	'text_ninety_eight_image_example' => "[98img=150]uploadfile/2008/10/30/2362924185.png[/98img]",
 	'text_ninety_eight_image_remarks' => "CC98是浙江大学的一个论坛",
+    'text_spoiler' => '折叠',
+    'text_spoiler_description' => '在页面插入可展开/收缩的内容',
+    'text_spoiler_syntax' => '[spoiler=标题]这是被折叠的内容[/spoiler]',
+    'text_spoiler_example' => '[spoiler=英雄最后的结局怎么样了？]英雄最后死掉了！[/spoiler]',
 );
 
 ?>
diff --git a/lang/cht/lang_functions.php b/lang/cht/lang_functions.php
index 4194b49b..0936fe9d 100644
--- a/lang/cht/lang_functions.php
+++ b/lang/cht/lang_functions.php
@@ -321,6 +321,8 @@ $lang_functions = array
 	'text_technical_info_help_text' => 'MediaInfo 來自軟件 <b><a href="https://mediaarea.net/en/MediaInfo" target=\'_blank\'>MediaInfo</a></b>，用該軟件打開文件，點擊菜單視圖(View)->文件(Text)，在框中右鍵->全選，再右鍵->復制，粘貼到這裏來。',
     'text_management_system' => '管理系統',
     'text_seed_points' => '做種積分',
+    'spoiler_expand_collapse' => '點擊展開/收縮',
+    'spoiler_default_title' => '折疊內容',
 );
 
 ?>
diff --git a/lang/cht/lang_tags.php b/lang/cht/lang_tags.php
index dadffada..ef9d6f3d 100644
--- a/lang/cht/lang_tags.php
+++ b/lang/cht/lang_tags.php
@@ -129,6 +129,10 @@ $lang_tags = array
 	'text_ninety_eight_image_syntax' => " [98img=[auto|number]]圖片文件[/98img]",
 	'text_ninety_eight_image_example' => "[98img=150]uploadfile/2008/10/30/2362924185.png[/98img]",
 	'text_ninety_eight_image_remarks' => "CC98是浙江大學的一個論壇",
+    'text_spoiler' => '折疊',
+    'text_spoiler_description' => '在頁面插入可展開/收縮的內容',
+    'text_spoiler_syntax' => '[spoiler=標題]這是被折疊的內容[/spoiler]',
+    'text_spoiler_example' => '[spoiler=英雄最後的結局怎麽樣了？]英雄最後死掉了！[/spoiler]',
 
 );
 
diff --git a/lang/en/lang_functions.php b/lang/en/lang_functions.php
index 9355ffa1..7a5a3690 100644
--- a/lang/en/lang_functions.php
+++ b/lang/en/lang_functions.php
@@ -322,6 +322,8 @@ $lang_functions = array
 	'text_technical_info_help_text' => 'MediaInfo comes from software <b><a href="https://mediaarea.net/en/MediaInfo" target=\'_blank\'>MediaInfo</a></b>，open file, click the view menu > text > right click in the box > select all > copy > past into this box.',
     'text_management_system' => 'Management system',
     'text_seed_points' => 'Seed points',
+    'spoiler_expand_collapse' => 'Click to expand/collapse',
+    'spoiler_default_title' => 'Collapse content',
 );
 
 ?>
diff --git a/lang/en/lang_tags.php b/lang/en/lang_tags.php
index b96e7aa5..e3c01196 100644
--- a/lang/en/lang_tags.php
+++ b/lang/en/lang_tags.php
@@ -129,6 +129,10 @@ $lang_tags = array
 	'text_ninety_eight_image_syntax' => " [98img=[auto|number]]image file[/98img]",
 	'text_ninety_eight_image_example' => "[98img=150]uploadfile/2008/10/30/2362924185.png[/98img]",
 	'text_ninety_eight_image_remarks' => "CC98 is a forum at Zhejiang University",
+    'text_spoiler' => 'Spoiler',
+    'text_spoiler_description' => 'Insert expandable/collapsible content on the page',
+    'text_spoiler_syntax' => '[spoiler=title]This is the folded content[/spoiler]',
+    'text_spoiler_example' => '[spoiler=What happened to the final ending of the hero?]The hero died last![/spoiler]',
 );
 
 ?>
diff --git a/nexus/Nexus.php b/nexus/Nexus.php
index 21d6e7b1..87598fd5 100644
--- a/nexus/Nexus.php
+++ b/nexus/Nexus.php
@@ -217,33 +217,39 @@ final class Nexus
         $this->platform = (string)$this->retrieveFromServer(['HTTP_PLATFORM', 'Platform', 'platform'], true);
     }
 
-    public static function js(string $js, string $position, bool $isFile)
+    public static function js(string $js, string $position, bool $isFile, $key = null)
     {
         if ($isFile) {
             $append = sprintf('<script type="text/javascript" src="%s"></script>', $js);
         } else {
             $append = sprintf('<script type="text/javascript">%s</script>', $js);
         }
-        if ($position == 'header') {
-            self::$appendHeaders[] = $append;
-        } elseif ($position == 'footer') {
-            self::$appendFooters[] = $append;
-        } else {
-            throw new \InvalidArgumentException("Invalid position: $position");
-        }
+        self::appendJsCss($append, $position, $key);
     }
 
-    public static function css(string $css, string $position, bool $isFile)
+    public static function css(string $css, string $position, bool $isFile, $key = null)
     {
         if ($isFile) {
             $append = sprintf('<link rel="stylesheet" href="%s" type="text/css">', $css);
         } else {
             $append = sprintf('<style type="text/css">%s</style>', $css);
         }
+        self::appendJsCss($append, $position, $key);
+    }
+
+    private static function appendJsCss($append, $position, $key = null)
+    {
+        if ($key === null) {
+            $key = md5($append);
+        }
         if ($position == 'header') {
-            self::$appendHeaders[] = $append;
+            if (!isset(self::$appendHeaders[$key])) {
+                self::$appendHeaders[$key] = $append;
+            }
         } elseif ($position == 'footer') {
-            self::$appendFooters[] = $append;
+            if (!isset(self::$appendFooters[$key])) {
+                self::$appendFooters[$key] = $append;
+            }
         } else {
             throw new \InvalidArgumentException("Invalid position: $position");
         }
diff --git a/public/styles/sprites.css b/public/styles/sprites.css
index 9da98db0..a266308e 100644
--- a/public/styles/sprites.css
+++ b/public/styles/sprites.css
@@ -480,3 +480,18 @@ img.hitandrun {
     background: url(icons.gif) no-repeat -100px -171px;
     margin-left: 0.5em;
 }
+.spoiler-title {
+    line-height: 40px;
+    color: #4d6c99;
+    cursor: pointer;
+    font-weight: 700;
+    background-color: rgba(77, 108, 153, 0.1);
+    display: inline-block;
+    padding: 0 10px;
+}
+.spoiler-content {
+    display: inline-block;
+    height: 0;
+    overflow: hidden;
+    transition: height 0.3s ease;
+}
diff --git a/public/tags.php b/public/tags.php
index 6715678d..a98bab17 100644
--- a/public/tags.php
+++ b/public/tags.php
@@ -252,6 +252,15 @@ insert_tag(
 	$lang_tags['text_ninety_eight_image_remarks']
 );*/
 
+
+insert_tag(
+    $lang_tags['text_spoiler'],
+    $lang_tags['text_spoiler_description'],
+    $lang_tags['text_spoiler_syntax'],
+    $lang_tags['text_spoiler_example'],
+    ""
+);
+
 end_frame();
 end_main_frame();
 stdfoot();
diff --git a/resources/lang/en/attendance.php b/resources/lang/en/attendance.php
new file mode 100644
index 00000000..6fc47cb6
--- /dev/null
+++ b/resources/lang/en/attendance.php
@@ -0,0 +1,8 @@
+<?php
+
+return [
+    'have_not_attendance_yet' => "Haven't attendance yet",
+    'target_date_can_no_be_retroactive' => 'Date：:date can not be retroactive',
+    'already_attendance' => 'Already attendance',
+    'card_not_enough' => 'Attendance card not enough',
+];
diff --git a/resources/lang/en/medal.php b/resources/lang/en/medal.php
index eb712b18..bd5fd57c 100644
--- a/resources/lang/en/medal.php
+++ b/resources/lang/en/medal.php
@@ -1,6 +1,7 @@
 <?php
 
 return [
+    'action_wearing' => 'Wear',
     'admin' => [
         'list' => [
             'page_title' => 'Medal list'
diff --git a/resources/lang/zh_CN/attendance.php b/resources/lang/zh_CN/attendance.php
new file mode 100644
index 00000000..f9c61531
--- /dev/null
+++ b/resources/lang/zh_CN/attendance.php
@@ -0,0 +1,8 @@
+<?php
+
+return [
+    'have_not_attendance_yet' => '还没有签过到',
+    'target_date_can_no_be_retroactive' => '日期：:date 无法补签',
+    'already_attendance' => '已经签到',
+    'card_not_enough' => '补签卡不足',
+];
diff --git a/resources/lang/zh_CN/medal.php b/resources/lang/zh_CN/medal.php
index 32cbbc7f..2a135cdf 100644
--- a/resources/lang/zh_CN/medal.php
+++ b/resources/lang/zh_CN/medal.php
@@ -1,6 +1,7 @@
 <?php
 
 return [
+    'action_wearing' => '佩戴',
     'admin' => [
         'list' => [
             'page_title' => '勋章列表'
diff --git a/resources/lang/zh_TW/attendance.php b/resources/lang/zh_TW/attendance.php
new file mode 100644
index 00000000..c0ee2363
--- /dev/null
+++ b/resources/lang/zh_TW/attendance.php
@@ -0,0 +1,9 @@
+<?php
+
+return [
+    'have_not_attendance_yet' => '還沒有簽過到',
+    'target_date_can_no_be_retroactive' => '日期：:date 無法補簽',
+    'already_attendance' => '已經簽到',
+    'card_not_enough' => '補簽卡不足',
+];
+
diff --git a/resources/lang/zh_TW/medal.php b/resources/lang/zh_TW/medal.php
index 492d0101..3de5b5f2 100644
--- a/resources/lang/zh_TW/medal.php
+++ b/resources/lang/zh_TW/medal.php
@@ -1,6 +1,7 @@
 <?php
 
 return [
+    'action_wearing' => '佩戴',
     'admin' => [
         'list' => [
             'page_title' => '勛章列表'