refactor(web/contest): contest manage v2 and contest confirmation

2024-11-22 14:08:42 +00:00 · 2022-10-23 20:39:11 +08:00 · 2022-10-23 20:39:11 +08:00 · 1227acf47a
commit 1227acf47a
parent 71901efa5f
12 changed files with 842 additions and 330 deletions
--- a/web/app/controllers/add_contest.php
+++ b/web/app/controllers/add_contest.php
@ -16,7 +16,23 @@
 	$time_form = new UOJForm('time');
 	$time_form->addVInput(
 		'name', 'text', '比赛标题', 'New Contest',
-		function($str) {
+		function($name, &$vdata) {
+			if ($name == '') {
+				return '标题不能为空';
+			}
+			
+			if (strlen($name) > 100) {
+				return '标题过长';
+			}
+
+			$name = HTML::escape($name);
+
+			if ($name === '') {
+				return '无效编码';
+			}
+
+			$vdata['name'] = $name;
+
 			return '';
 		},
 		null
@ -35,23 +51,25 @@
 	);
 	$time_form->addVInput(
 		'last_min', 'text', '时长（单位：分钟）', 180,
-		function($str) {
-			return !validateUInt($str) ? '必须为一个整数' : '';
+		function($str, &$vdata) {
+			if (!validateUInt($str)) {
+				return '必须为一个整数';
+			}
+
+			$vdata['last_min'] = $str;
+
+			return '';
 		},
 		null
 	);
 	$time_form->handle = function(&$vdata) {
 		$start_time_str = $vdata['start_time']->format('Y-m-d H:i:s');
-				
-		$purifier = HTML::purifier_inline();
+		$esc_name = DB::escape($vdata['name']);
+		$esc_last_min = DB::escape($vdata['last_min']);
 		
-		$esc_name = $_POST['name'];
-		$esc_name = $purifier->purify($esc_name);
-		$esc_name = DB::escape($esc_name);
-		
-		DB::query("insert into contests (name, start_time, last_min, status) values ('$esc_name', '$start_time_str', ${_POST['last_min']}, 'unfinished')");
+		DB::query("insert into contests (name, start_time, last_min, status) values ('$esc_name', '$start_time_str', $esc_last_min, 'unfinished')");
 	};
-	$time_form->succ_href="/contests";
+	$time_form->succ_href = "/contests";
 	$time_form->runAtServer();
 	?>
 <?php echoUOJPageHeader('添加比赛') ?>
--- a/web/app/controllers/contest_confirmation.php
+++ b/web/app/controllers/contest_confirmation.php
@ -0,0 +1,77 @@
+<?php
+	requireLib('bootstrap5');
+	requirePHPLib('form');
+
+	if (!validateUInt($_GET['id']) || !($contest = queryContest($_GET['id']))) {
+		become404Page();
+	}
+
+	genMoreContestInfo($contest);
+	
+	if (!Auth::check()) {
+		redirectToLogin();
+	} elseif (!hasRegistered($myUser, $contest)) {
+		redirectTo("/contest/{$contest['id']}/register");
+	} elseif ($contest['cur_progress'] < CONTEST_IN_PROGRESS) {
+		redirectTo('/contests');
+	} elseif (hasParticipated($myUser, $contest) || $contest['cur_progress'] > CONTEST_IN_PROGRESS) {
+		redirectTo("/contest/{$contest['id']}");
+	}
+
+	$confirm_form = new UOJForm('confirm');
+	$confirm_form->submit_button_config['class_str'] = 'btn btn-primary';
+	$confirm_form->submit_button_config['margin_class'] = 'mt-3';
+	$confirm_form->submit_button_config['text'] = '我已核对信息，确认参加比赛';
+	$confirm_form->handle = function() use ($myUser, $contest) {
+		DB::update("update contests_registrants set has_participated = 1 where username = '{$myUser['username']}' and contest_id = {$contest['id']}");
+	};
+	$confirm_form->succ_href = "/contest/{$contest['id']}";
+	$confirm_form->runAtServer();
+	?>
+
+<?php echoUOJPageHeader('确认参赛 - ' . HTML::stripTags($contest['name'])) ?>
+
+<div class="card mw-100 mx-auto" style="width:800px">
+<div class="card-body">
+	<h1 class="h2 card-title text-center mb-3">确认参赛</h1>
+
+	<p class="card-text text-center">您即将参加比赛 “<b><?= $contest['name'] ?></b>”，请在正式参赛前仔细核对以下比赛信息：</p>
+
+	<div class="table-responsive mx-auto" style="width:500px">
+		<table class="table">
+			<thead>
+				<tr>
+					<th style="width:40%"></th>
+					<th style="width:60%"></th>
+				</tr>
+			</thead>
+			<tbody>
+				<tr>
+					<td class="text-center">比赛名称</td>
+					<td><?= $contest['name'] ?></td>
+				</tr>
+				<tr>
+					<td class="text-center">参赛选手</td>
+					<td><?= getUserLink($myUser['username']) ?></td>
+				</tr>
+				<tr>
+					<td class="text-center">开始时间</td>
+					<td><?= $contest['start_time_str'] ?></td>
+				</tr>
+				<tr>
+					<td class="text-center">结束时间</td>
+					<td><?= $contest['end_time_str'] ?></td>
+				</tr>
+				<tr>
+					<td class="text-center">比赛赛制</td>
+					<td><?= $contest['extra_config']['contest_type'] ?: 'OI' ?></td>
+				</tr>
+			</tbody>
+		</table>
+	</div>
+
+	<?php $confirm_form->printHTML() ?>
+</div>
+</div>
+
+<?php echoUOJPageFooter() ?>
--- a/web/app/controllers/contest_inside.php
+++ b/web/app/controllers/contest_inside.php
@ -12,21 +12,32 @@
 	}
 	genMoreContestInfo($contest);

-	if (!hasContestPermission(Auth::user(), $contest)) {
+	if (!hasContestPermission($myUser, $contest)) {
 		if ($contest['cur_progress'] == CONTEST_NOT_STARTED) {
-			header("Location: /contest/{$contest['id']}/register");
-			die();
+			redirectTo("/contest/{$contest['id']}/register");
 		} elseif ($contest['cur_progress'] == CONTEST_IN_PROGRESS) {
-			if ($myUser == null || !hasRegistered(Auth::user(), $contest)) {
-				becomeMsgPage("<h1>比赛正在进行中</h1><p>很遗憾，您尚未报名。比赛结束后再来看吧～</p>");
+			if (Auth::check()) {
+				if (!hasParticipated($myUser, $contest)) {
+					redirectTo("/contest/{$contest['id']}/confirm");
+				}
+			} else {
+				redirectToLogin();
 			}
 		} else {
-			if (!isNormalUser($myUser)) {
+			if (!hasRegistered($myUser, $contest) && !isNormalUser($myUser) && UOJConfig::$data['switch']['force-login']) {
 				become403Page();
 			}
 		}
+	} else {
+		if ($contest['cur_progress'] == CONTEST_IN_PROGRESS) {
+			if (hasRegistered($myUser, $contest)) {
+				if (!hasParticipated($myUser, $contest)) {
+					redirectTo("/contest/{$contest['id']}/confirm");
+				}
+			}
+		}
 	}
-	
+
 	if (isset($_GET['tab'])) {
 		$cur_tab = $_GET['tab'];
 	} else {
--- a/web/app/controllers/contest_manage.php
+++ b/web/app/controllers/contest_manage.php
@ -2,7 +2,8 @@
 	if (!Auth::check()) {
 		redirectToLogin();
 	}
-	
+
+	requireLib('bootstrap5');
 	requirePHPLib('form');

 	if (!validateUInt($_GET['id']) || !($contest = queryContest($_GET['id']))) {
@ -10,298 +11,672 @@
 	}
 	genMoreContestInfo($contest);
 	
-	if (!isSuperUser($myUser)) {
+	if (!hasContestPermission($myUser, $contest)) {
 		become403Page();
 	}
-	
-	$time_form = new UOJForm('time');
-	$time_form->addInput(
-		'name', 'text', '比赛标题', $contest['name'],
-		function($str) {
-			return '';
-		},
-		null
-	);
-	$time_form->addInput(
-		'start_time', 'text', '开始时间', $contest['start_time_str'],
-		function($str, &$vdata) {
-			try {
-				$vdata['start_time'] = new DateTime($str);
-			} catch (Exception $e) {
-				return '无效时间格式';
-			}
-			return '';
-		},
-		null
-	);
-	$time_form->addInput(
-		'last_min', 'text', '时长（单位：分钟）', $contest['last_min'],
-		function($str) {
-			return !validateUInt($str) ? '必须为一个整数' : '';
-		},
-		null
-	);
-	$time_form->handle = function(&$vdata) {
-		global $contest;
-		$start_time_str = $vdata['start_time']->format('Y-m-d H:i:s');
-		
-		$purifier = HTML::purifier_inline();
-		
-		$esc_name = $_POST['name'];
-		$esc_name = $purifier->purify($esc_name);
-		$esc_name = DB::escape($esc_name);
-		
-		DB::update("update contests set start_time = '$start_time_str', last_min = {$_POST['last_min']}, name = '$esc_name' where id = {$contest['id']}");
-	};
-	
-	$managers_form = newAddDelCmdForm('managers',
-		function($username) {
-			if (!validateUsername($username) || !queryUser($username)) {
-				return "不存在名为{$username}的用户";
-			}
-			return '';
-		},
-		function($type, $username) {
-			global $contest;

-			if ($type == '+') {
-				DB::query("insert into contests_permissions (contest_id, username) values (${contest['id']}, '$username')");
-			} elseif ($type == '-') {
-				DB::query("delete from contests_permissions where contest_id = ${contest['id']} and username = '$username'");
-			}
-		}
-	);
+	if (isset($_GET['tab'])) {
+		$cur_tab = $_GET['tab'];
+	} else {
+		$cur_tab = 'profile';
+	}
+
+	$tabs_info = [
+		'profile' => [
+			'name' => '基本信息',
+			'url' => "/contest/{$contest['id']}/manage/profile",
+		],
+		'problems' => [
+			'name' => '试题',
+			'url' => "/contest/{$contest['id']}/manage/problems",
+		],
+		'managers' => [
+			'name' => '管理者',
+			'url' => "/contest/{$contest['id']}/manage/managers",
+		],
+		'others' => [
+			'name' => '其他',
+			'url' => "/contest/{$contest['id']}/manage/others",
+		],
+	];
 	
-	$problems_form = newAddDelCmdForm('problems',
-		function($cmd) {
-			if (!preg_match('/^(\d+)\s*(\[\S+\])?$/', $cmd, $matches)) {
-				return "无效题号";
-			}
-			$problem_id = $matches[1];
-			if (!validateUInt($problem_id) || !($problem = queryProblemBrief($problem_id))) {
-				return "不存在题号为{$problem_id}的题";
-			}
-			if (!hasProblemPermission(Auth::user(), $problem)) {
-				return "无权添加题号为{$problem_id}的题";
-			}
-			return '';
-		},
-		function($type, $cmd) {
-			global $contest;
-			
-			if (!preg_match('/^(\d+)\s*(\[\S+\])?$/', $cmd, $matches)) {
-				return "无效题号";
-			}
-			
-			$problem_id = $matches[1];
-			
-			if ($type == '+') {
-				$dfn = DB::selectFirst("select max(dfn) from contests_problems where contest_id = {$contest['id']}")['max(dfn)'] + 1;
-				DB::insert("insert into contests_problems (contest_id, problem_id, dfn) values ({$contest['id']}, '$problem_id', $dfn)");
-			} elseif ($type == '-') {
-				DB::delete("delete from contests_problems where contest_id = {$contest['id']} and problem_id = '$problem_id'");
-			}
-			
-			if (isset($matches[2])) {
-				switch ($matches[2]) {
-					case '[sample]':
-						unset($contest['extra_config']["problem_$problem_id"]);
-						break;
-					case '[full]':
-						$contest['extra_config']["problem_$problem_id"] = 'full';
-						break;
-					case '[no-details]':
-						$contest['extra_config']["problem_$problem_id"] = 'no-details';
-						break;
+	if (!isset($tabs_info[$cur_tab])) {
+		become404Page();
+	}
+	
+	if ($cur_tab == 'profile') {
+		$profile_form = new UOJForm('time');
+		$profile_form->addVInput(
+			'name', 'text', '比赛标题', $contest['name'],
+			function($name, &$vdata) {
+				if ($name == '') {
+					return '标题不能为空';
+				}
+				
+				if (strlen($name) > 100) {
+					return '标题过长';
 				}
-				$esc_extra_config = json_encode($contest['extra_config']);
-				$esc_extra_config = DB::escape($esc_extra_config);
-				DB::update("update contests set extra_config = '$esc_extra_config' where id = {$contest['id']}");
-			}
-		}
-	);
 	
-	if (isSuperUser($myUser)) {
-		$version_form = new UOJForm('version');
-		$version_form->addInput('standings_version', 'text', '排名版本', $contest['extra_config']['standings_version'],
-			function ($x) {
-				if (!validateUInt($x) || $x < 1 || $x > 2) {
-					return '不是合法的版本号';
+				$name = HTML::escape($name);
+	
+				if ($name === '') {
+					return '无效编码';
+				}
+	
+				$vdata['name'] = $name;
+	
+				return '';
+			},
+			null
+		);
+		$profile_form->addVInput(
+			'start_time', 'text', '开始时间', $contest['start_time_str'],
+			function($str, &$vdata) {
+				try {
+					$vdata['start_time'] = new DateTime($str);
+				} catch (Exception $e) {
+					return '无效时间格式';
 				}
 				return '';
 			},
 			null
 		);
-		$version_form->handle = function() {
-			global $contest;
+		$profile_form->addVInput(
+			'last_min', 'text', '时长（单位：分钟）', $contest['last_min'],
+			function($str, &$vdata) {
+				if (!validateUInt($str)) {
+					return '必须为一个整数';
+				}
+
+				$vdata['last_min'] = $str;
+	
+				return '';
+			},
+			null
+		);
+		$profile_form->handle = function(&$vdata) use ($contest) {
+			$start_time_str = $vdata['start_time']->format('Y-m-d H:i:s');
+			$esc_name = DB::escape($vdata['name']);
+			$esc_last_min = DB::escape($vdata['last_min']);
+			
+			DB::update("update contests set start_time = '$start_time_str', last_min = {$_POST['last_min']}, name = '$esc_name' where id = {$contest['id']}");
+
+			dieWithJsonData(['status' => 'success', 'message' => '修改成功']);
+		};
+		$profile_form->setAjaxSubmit(<<<EOD
+function(res) {
+	if (res.status === 'success') {
+		$('#result-alert')
+			.html('比赛信息修改成功！')
+			.addClass('alert-success')
+			.removeClass('alert-danger')
+			.show();
+	} else {
+		$('#result-alert')
+			.html('比赛信息修改失败。' + (res.message || ''))
+			.removeClass('alert-success')
+			.addClass('alert-danger')
+			.show();
+	}
+
+	$(window).scrollTop(0);
+}
+EOD);
+		$profile_form->runAtServer();
+	} elseif ($cur_tab == 'problems') {
+		if (isset($_POST['submit-remove_problem']) && $_POST['submit-remove_problem'] == 'remove_problem') {
+			$problem_id = $_POST['problem_id'];
+
+			if (!validateUInt($problem_id)) {
+				dieWithAlert('无效的题目 ID。');
+			}
+
+			if (!queryProblemBrief($problem_id)) {
+				dieWithAlert('题目不存在。');
+			}
+
+			if (!DB::selectFirst("SELECT * FROM contests_problems WHERE contest_id = {$contest['id']} AND problem_id = $problem_id")) {
+				dieWithAlert('题目不在比赛中。');
+			}
+
+			DB::delete("DELETE FROM contests_problems WHERE contest_id = {$contest['id']} AND problem_id = $problem_id");
+			
+			unset($contest['extra_config']["problem_$problem_id"]);
+			$esc_extra_config = DB::escape(json_encode($contest['extra_config']));
+			DB::update("UPDATE `contests` SET extra_config = '$esc_extra_config' WHERE id = {$contest['id']}");
+
+			dieWithAlert('移除成功！');
+		}
+
+		$add_problem_form = new UOJForm('add_problem');
+		$add_problem_form->addVInput('problem_id', 'text', '题目 ID', '',
+			function($problem_id, &$vdata) {
+				if (!validateUInt($problem_id)) {
+					return '无效的题目 ID。';
+				}
+
+				$problem = queryProblemBrief($problem_id);
+				if (!$problem) {
+					return '题目不存在。';
+				}
+				
+				if (!hasProblemPermission(Auth::user(), $problem)) {
+					return "无权添加题目 #$problem_id。";
+				}
+
+				$vdata['problem_id'] = $problem_id;
+	
+				return '';
+			},
+			null
+		);
+		$add_problem_form->addVSelect('judge_config', [
+				'sample' => '只测样例',
+				'no-details' => '测试全部数据，但不显示测试点详情',
+				'full' => '测试全部数据',
+			], '评测设置', 'sample');
+		$add_problem_form->handle = function(&$vdata) use ($contest) {
+			$dfn = DB::selectFirst("SELECT max(dfn) FROM contests_problems WHERE contest_id = {$contest['id']}")['max(dfn)'] + 1;
+			DB::insert("INSERT INTO `contests_problems` (contest_id, problem_id, dfn) VALUES ({$contest['id']}, '{$vdata['problem_id']}', $dfn)");
+
+			if ($_POST['judge_config'] != 'sample') {
+				$contest['extra_config']["problem_$problem_id"] = $_POST['judge_config'];
+				$esc_extra_config = DB::escape(json_encode($contest['extra_config']));
+				DB::update("UPDATE `contests` SET extra_config = '$esc_extra_config' WHERE id = {$contest['id']}");
+			}
+
+			dieWithJsonData(['status' => 'success', 'message' => "题目 #{$vdata['problem_id']} 添加成功！"]);
+		};
+		$add_problem_form->submit_button_config['text'] = '添加';
+		$add_problem_form->submit_button_config['margin_class'] = 'mt-3';
+		$add_problem_form->setAjaxSubmit(<<<EOD
+function(res) {
+	if (res.status === 'success') {
+		$('#result-alert')
+			.html('添加成功！' + (res.message || ''))
+			.addClass('alert-success')
+			.removeClass('alert-danger')
+			.show();
+	} else {
+		$('#result-alert')
+			.html('添加失败。' + (res.message || ''))
+			.removeClass('alert-success')
+			.addClass('alert-danger')
+			.show();
+	}
+
+	$(window).scrollTop(0);
+}
+EOD);
+		$add_problem_form->runAtServer();
+	} elseif ($cur_tab == 'managers') {
+		if (isset($_POST['submit-remove_manager']) && $_POST['submit-remove_manager'] == 'remove_manager') {
+			$username = $_POST['username'];
+
+			if (!validateUsername($username)) {
+				dieWithAlert('用户名不合法。');
+			}
+
+			if (!queryUser($username)) {
+				dieWithAlert('用户不存在。');
+			}
+
+			if (!DB::selectFirst("SELECT * FROM contests_permissions WHERE contest_id = {$contest['id']} AND username = '$username'")) {
+				dieWithAlert('用户不是这场比赛的管理员。');
+			}
+
+			DB::delete("DELETE FROM `contests_permissions` WHERE contest_id = ${contest['id']} AND username = '$username'");
+			dieWithAlert('移除成功！');
+		}
+
+		$add_manager_form = new UOJForm('add_manager');
+		$add_manager_form->addVInput('username', 'text', '用户名', '',
+			function($username, &$vdata) {
+				if (!validateUsername($username)) {
+					return '用户名不合法';
+				}
+
+				if (!queryUser($username)) {
+					return '用户不存在';
+				}
+
+				if (DB::selectFirst("SELECT * FROM contests_permissions WHERE contest_id = {$contest['id']} AND username = '$username'")) {
+					return '用户已经是这场比赛的管理员';
+				}
+
+				$vdata['username'] = $username;
+
+				return '';
+			},
+			null
+		);
+		$add_manager_form->handle = function(&$vdata) use ($contest) {
+			DB::query("INSERT INTO `contests_permissions` (contest_id, username) VALUES (${contest['id']}, '{$vdata['username']}')");
+
+			dieWithJsonData(['status' => 'success', 'message' => '已将用户名为 ' . $vdata['username'] . ' 的用户设置为本场比赛的管理者。']);
+		};
+		$add_manager_form->submit_button_config['text'] = '添加';
+		$add_manager_form->submit_button_config['margin_class'] = 'mt-3';
+		$add_manager_form->setAjaxSubmit(<<<EOD
+function(res) {
+	if (res.status === 'success') {
+		$('#result-alert')
+			.html('添加成功！' + (res.message || ''))
+			.addClass('alert-success')
+			.removeClass('alert-danger')
+			.show();
+	} else {
+		$('#result-alert')
+			.html('添加失败。' + (res.message || ''))
+			.removeClass('alert-success')
+			.addClass('alert-danger')
+			.show();
+	}
+
+	$(window).scrollTop(0);
+}
+EOD);
+		$add_manager_form->runAtServer();
+	} elseif ($cur_tab == 'others') {
+		$version_form = new UOJForm('version');
+		$version_form->addVSelect('standings_version', [
+				'1' => '1',
+				'2' => '2',
+			], '比赛排名版本', $contest['extra_config']['standings_version']);
+		$version_form->handle = function() use ($contest) {
 			$contest['extra_config']['standings_version'] = $_POST['standings_version'];
 			$esc_extra_config = json_encode($contest['extra_config']);
 			$esc_extra_config = DB::escape($esc_extra_config);
-			DB::update("update contests set extra_config = '$esc_extra_config' where id = {$contest['id']}");
+			DB::update("UPDATE contests SET extra_config = '$esc_extra_config' WHERE id = {$contest['id']}");
+
+			dieWithJsonData(['status' => 'success', 'message' => '修改成功']);
 		};
+		$version_form->setAjaxSubmit(<<<EOD
+function(res) {
+	if (res.status === 'success') {
+		$('#version-result-alert')
+			.html('修改成功！')
+			.addClass('alert-success')
+			.removeClass('alert-danger')
+			.show();
+	} else {
+		$('#version-result-alert')
+			.html('修改失败。' + (res.message || ''))
+			.removeClass('alert-success')
+			.addClass('alert-danger')
+			.show();
+	}
+
+	$(window).scrollTop(0);
+}
+EOD);
 		$version_form->runAtServer();

 		$contest_type_form = new UOJForm('contest_type');
-		$contest_type_form->addInput('contest_type', 'text', '赛制', $contest['extra_config']['contest_type'],
-			function ($x) {
-				if ($x != 'OI' && $x != 'ACM' && $x != 'IOI') {
-					return '不是合法的赛制名';
+		$contest_type_form->addVSelect('contest_type', [
+				'OI' => 'OI',
+				'IOI' => 'IOI'
+			], '比赛类型', $contest['extra_config']['contest_type']);
+		$contest_type_form->handle = function() use ($contest) {
+			$contest['extra_config']['contest_type'] = $_POST['contest_type'];
+			$esc_extra_config = json_encode($contest['extra_config']);
+			$esc_extra_config = DB::escape($esc_extra_config);
+			DB::update("UPDATE contests set extra_config = '$esc_extra_config' where id = {$contest['id']}");
+
+			dieWithJsonData(['status' => 'success', 'message' => '修改成功']);
+		};
+		$contest_type_form->setAjaxSubmit(<<<EOD
+function(res) {
+	if (res.status === 'success') {
+		$('#type-result-alert')
+			.html('修改成功！')
+			.addClass('alert-success')
+			.removeClass('alert-danger')
+			.show();
+	} else {
+		$('#type-result-alert')
+			.html('修改失败。' + (res.message || ''))
+			.removeClass('alert-success')
+			.addClass('alert-danger')
+			.show();
+	}
+
+	$(window).scrollTop(0);
+}
+EOD);
+		$contest_type_form->runAtServer();
+		
+		$blog_link_contests = new UOJForm('blog_link_contests');
+		$blog_link_contests->addVInput('blog_id', 'text', '博客 ID', '',
+			function ($blog_id, &$vdata) {
+				if (!validateUInt($blog_id)) {
+					return 'ID 不合法';
 				}
+
+				if (!queryBlog($blog_id)) {
+					return '博客不存在';
+				}
+
+				$vdata['blog_id'] = $blog_id;
+				
 				return '';
 			},
 			null
 		);
-		$contest_type_form->handle = function() {
-			global $contest;
-			$contest['extra_config']['contest_type'] = $_POST['contest_type'];
-			$esc_extra_config = json_encode($contest['extra_config']);
-			$esc_extra_config = DB::escape($esc_extra_config);
-			DB::update("update contests set extra_config = '$esc_extra_config' where id = {$contest['id']}");
-		};
-		$contest_type_form->runAtServer();
-	}
-	
-	$time_form->runAtServer();
-	$managers_form->runAtServer();
-	$problems_form->runAtServer();
+		$blog_link_contests->addVInput('title', 'text', '名称', '',
+			function($title, &$vdata) {
+				if ($title == '') {
+					return '名称不能为空';
+				}
+				
+				if (strlen($title) > 40) {
+					return '名称过长';
+				}

-	$blog_link_contests = new UOJForm('blog_link_contests');
-	$blog_link_contests->addInput('blog_link_contests__blog_id', 'text', '博客ID', '',
-		function ($x) {
-			if (!validateUInt($x)) {
-				return 'ID不合法';
-			}
-			if (!queryBlog($x)) {
-				return '博客不存在';
-			}
-			return '';
-		},
-		null
-	);
-	$blog_link_contests->addInput('blog_link_contests__title', 'text', '标题', '',
-		function ($x) {
-			return '';
-		},
-		null
-	);
-	$options = array(
-		'add' => '添加',
-		'del' => '删除'
-	);
-	$blog_link_contests->addSelect('blog_link_contests__op-type', $options, '操作类型', '');
-	$blog_link_contests->handle = function() {
-		global $contest;
+				$title = HTML::escape($title);
+				if ($title === '') {
+					return '无效编码';
+				}

-		$blog_id = $_POST['blog_link_contests__blog_id'];
-		$contest_id = $contest['id'];
-		$str = DB::selectFirst("select * from contests where id='${contest_id}'");
-		$all_config = json_decode($str['extra_config'], true);
-		$config = $all_config['links'];
+				$vdata['title'] = $title;

-		$n = count($config);
-		
-		if ($_POST['blog_link_contests__op-type'] == 'add') {
-			$row = array();
-			$row[0] = $_POST['blog_link_contests__title'];
-			$row[1] = $blog_id;
-			$config[$n] = $row;
-		}
-		if ($_POST['blog_link_contests__op-type'] == 'del') {
-			for ($i = 0; $i < $n; $i++) {
-				if ($config[$i][1] == $blog_id) {
-					$config[$i] = $config[$n - 1];
-					unset($config[$n - 1]);
-					break;
+				return '';
+			},
+			null
+		);
+		$blog_link_contests->addVSelect('op_type', [
+				'add' => '添加',
+				'del' => '移除',
+			], '操作类型', '');
+		$blog_link_contests->handle = function($vdata) use ($contest) {
+			if ($_POST['op_type'] == 'add') {
+				if (!isset($contest['extra_config']['links'])) {
+					$contest['extra_config']['links'] = [];
+				}
+
+				$contest['extra_config']['links'][] = [$vdata['title'], $vdata['blog_id']];
+			} elseif ($_POST['op_type'] == 'del') {
+				$n = count($contest['extra_config']['links']);
+				for ($i = 0; $i < $n; $i++) {
+					if ($contest['extra_config']['links'][$i][1] == $vdata['blog_id']) {
+						$contest['extra_config']['links'][$i] = $contest['extra_config']['links'][$n - 1];
+						unset($contest['extra_config']['links'][$n - 1]);
+						break;
+					}
+				}
+
+				if (!count($contest['extra_config']['links'])) {
+					unset($contest['extra_config']['links']);
 				}
 			}
-		}
+	
+			$esc_extra_config = json_encode($contest['extra_config']);
+			$esc_extra_config = DB::escape($esc_extra_config);
+			DB::update("UPDATE contests set extra_config = '$esc_extra_config' where id = {$contest['id']}");

-		$all_config['links'] = $config;
-		$str = json_encode($all_config);
-		$str = DB::escape($str);
-		DB::query("update contests set extra_config='${str}' where id='${contest_id}'");
-	};
-	$blog_link_contests->runAtServer();
-	
-	?>
-<?php echoUOJPageHeader(HTML::stripTags($contest['name']) . ' - 比赛管理') ?>
-<h1 class="page-header" align="center"><?=$contest['name']?> 管理</h1>
-<ul class="nav nav-tabs mb-3" role="tablist">
-	<li class="nav-item"><a class="nav-link active" href="#tab-time" role="tab" data-toggle="tab">比赛时间</a></li>
-	<li class="nav-item"><a class="nav-link" href="#tab-managers" role="tab" data-toggle="tab">管理者</a></li>
-	<li class="nav-item"><a class="nav-link" href="#tab-problems" role="tab" data-toggle="tab">试题</a></li>
-	<li class="nav-item"><a class="nav-link" href="#tab-blogs" role="tab" data-toggle="tab">比赛资料</a></li>
-	<?php if (isSuperUser($myUser)): ?>
-	<li class="nav-item"><a class="nav-link" href="#tab-others" role="tab" data-toggle="tab">其它</a></li>
-	<?php endif ?>
-	<li class="nav-item"><a class="nav-link" href="/contest/<?=$contest['id']?>" role="tab">返回</a></li>
-</ul>
-<div class="tab-content top-buffer-sm">
-	<div class="tab-pane active" id="tab-time">
-		<?php $time_form->printHTML(); ?>
-	</div>
-	
-	<div class="tab-pane" id="tab-managers">
-		<table class="table table-hover">
-			<thead>
-				<tr>
-					<th>#</th>
-					<th>用户名</th>
-				</tr>
-			</thead>
-			<tbody>
-<?php
-		$row_id = 0;
-	$result = DB::query("select username from contests_permissions where contest_id = {$contest['id']}");
-	while ($row = DB::fetch($result, MYSQLI_ASSOC)) {
-		$row_id++;
-		echo '<tr>', '<td>', $row_id, '</td>', '<td>', getUserLink($row['username']), '</td>', '</tr>';
+			dieWithJsonData(['status' => 'success', 'message' => '修改成功']);
+		};
+		$blog_link_contests->setAjaxSubmit(<<<EOD
+function(res) {
+	if (res.status === 'success') {
+		$('#blogs-result-alert')
+			.html('操作成功！')
+			.addClass('alert-success')
+			.removeClass('alert-danger')
+			.show();
+	} else {
+		$('#blogs-result-alert')
+			.html('操作失败。' + (res.message || ''))
+			.removeClass('alert-success')
+			.addClass('alert-danger')
+			.show();
 	}
-	?>
-			</tbody>
-		</table>
-		<p class="text-center">命令格式：命令一行一个，+mike表示把mike加入管理者，-mike表示把mike从管理者中移除</p>
-		<?php $managers_form->printHTML(); ?>
-	</div>
-	
-	<div class="tab-pane" id="tab-problems">
-		<table class="table table-hover">
-			<thead>
-				<tr>
-					<th>#</th>
-					<th>试题名</th>
-				</tr>
-			</thead>
-			<tbody>
-<?php
-		$result = DB::query("select problem_id from contests_problems where contest_id = ${contest['id']} order by dfn, problem_id");
-	while ($row = DB::fetch($result, MYSQLI_ASSOC)) {
-		$problem = queryProblemBrief($row['problem_id']);
-		$problem_config_str = isset($contest['extra_config']["problem_{$problem['id']}"]) ? $contest['extra_config']["problem_{$problem['id']}"] : 'sample';
-		echo '<tr>', '<td>', $problem['id'], '</td>', '<td>', getProblemLink($problem), ' ', "[$problem_config_str]", '</td>', '</tr>';
+
+	$(window).scrollTop(0);
+}
+EOD);
+		$blog_link_contests->runAtServer();
 	}
+
 	?>
-			</tbody>
-		</table>
-		<p class="text-center">命令格式：命令一行一个，+233表示把题号为233的试题加入比赛，-233表示把题号为233的试题从比赛中移除</p>
-		<?php $problems_form->printHTML(); ?>
+<?php echoUOJPageHeader(HTML::stripTags('比赛管理 - ' . $contest['name'])) ?>
+<h1 class="h2">
+	<?= $contest['name'] ?>
+	<small class="fs-5">(ID: <?= $contest['id'] ?>)</small>
+	管理
+</h1>
+
+<div class="row mt-4">
+<!-- left col -->
+<div class="col-md-3">
+
+<?= HTML::navListGroup($tabs_info, $cur_tab) ?>
+
+<a
+	class="btn btn-light d-block mt-2 w-100 text-start text-primary"
+	style="--bs-btn-hover-bg: #d3d4d570; --bs-btn-hover-border-color: transparent;"
+	href="<?= HTML::url("/contest/{$contest['id']}") ?>">
+	<i class="bi bi-arrow-left"></i> 返回
+</a>
+
+</div>
+<!-- end left col -->
+
+<!-- right col -->
+<div class="col-md-9">
+
+<?php if ($cur_tab == 'profile'): ?>
+<div class="card mt-3 mt-md-0">
+<div class="card-body">
+	<div id="result-alert" class="alert" role="alert" style="display: none"></div>
+	<div class="row row-cols-1 row-cols-md-2">
+		<div class="col">
+			<?php $profile_form->printHTML(); ?>
+		</div>
+		<div class="col mt-3 mt-md-0">
+			<h5>注意事项</h5>
+			<ul class="mb-0">
+				<li>请为选手预留合理的做题时间。一般而言，CSP 和 NOIP 的比赛时长为 4 小时，省选 / NOI 的比赛时长为 5 小时。</li>
+			</ul>
+		</div>
 	</div>
-	<div class="tab-pane" id="tab-blogs">
-		<?php $blog_link_contests->printHTML(); ?>
+</div>
+</div>
+<?php elseif ($cur_tab == 'problems'): ?>
+<div class="card mt-3 mt-md-0">
+	<div class="card-header">
+		<ul class="nav nav-tabs card-header-tabs" role="tablist">
+			<li class="nav-item">
+				<a class="nav-link active" href="#problems" data-bs-toggle="tab" data-bs-target="#problems">题目列表</a>
+			</li>
+			<li class="nav-item">
+				<a class="nav-link" href="#add-problem" data-bs-toggle="tab" data-bs-target="#add-problem">添加题目</a>
+			</li>
+		</ul>
 	</div>
-	<?php if (isSuperUser($myUser)): ?>
-	<div class="tab-pane" id="tab-others">
-		<div class="row">
-			<div class="col-sm-12 top-buffer-sm">
-				<h3>版本控制</h3>
-				<?php $version_form->printHTML(); ?>
-			</div>
-			<div class="col-sm-12 top-buffer-sm">
-				<h3>赛制</h3>
-				<?php $contest_type_form->printHTML(); ?>
+	<div class="card-body tab-content">
+		<div class="tab-pane active" id="problems">
+			<?php
+				echoLongTable(
+					['*'],
+					'contests_problems',
+					"contest_id = '{$contest['id']}'",
+					'ORDER BY dfn, problem_id',
+					<<<EOD
+	<tr>
+		<th style="width:3em">ID</th>
+		<th>标题</th>
+		<th style="width:8em">评测设置</th>
+		<th style="width:6em">操作</th>
+	</tr>
+EOD,
+					function($row) {
+						$problem = queryProblemBrief($row['problem_id']);
+						echo '<tr>';
+						echo '<td>', $row['problem_id'], '</td>';
+						echo '<td>', getProblemLink($problem), '</td>';
+						echo '<td>', isset($contest['extra_config']["problem_{$problem['id']}"]) ? $contest['extra_config']["problem_{$problem['id']}"] : 'sample', '</td>';
+						echo '<td>';
+						echo '<form class="d-inline-block" method="POST" target="_self" onsubmit=\'return confirm("你确定要将题目 #', $problem['id'], ' 从比赛中移除吗？")\'>';
+						echo '<input type="hidden" name="_token" value="', crsf_token(),'">';
+						echo '<input type="hidden" name="problem_id" value="', $problem['id'], '">';
+						echo '<button type="submit" class="btn btn-link text-danger text-decoration-none p-0" name="submit-remove_problem" value="remove_problem">移除</button>';
+						echo '</form>';
+						echo '</td>';
+						echo '</tr>';
+					},
+					[
+						'echo_full' => true,
+						'div_classes' => ['table-responsive'],
+						'table_classes' => ['table', 'align-middle'],
+					]
+				)
+	?>
+		</div>
+		<div class="tab-pane" id="add-problem">
+			<div id="result-alert" class="alert" role="alert" style="display: none"></div>
+			<div class="row row-cols-1 row-cols-md-2">
+				<div class="col">
+					<?php $add_problem_form->printHTML() ?>
+				</div>
+				<div class="col">
+					<h5>注意事项</h5>
+					<ul class="mt-0">
+						<li>推荐在比赛结束前将题目设置为隐藏。</li>
+						<li>对于「评测设置」选项，一般情况下保持默认（即只测样例）即可。</li>
+					</ul>
+				</div>
 			</div>
 		</div>
 	</div>
-	<?php endif ?>
 </div>
+<?php elseif ($cur_tab == 'managers'): ?>
+<div class="card mt-3 mt-md-0">
+	<div class="card-header">
+		<ul class="nav nav-tabs card-header-tabs" role="tablist">
+			<li class="nav-item">
+				<a class="nav-link active" href="#managers" data-bs-toggle="tab" data-bs-target="#managers">管理者列表</a>
+			</li>
+			<li class="nav-item">
+				<a class="nav-link" href="#add-manager" data-bs-toggle="tab" data-bs-target="#add-manager">添加管理者</a>
+			</li>
+		</ul>
+	</div>
+	<div class="card-body tab-content">
+		<div class="tab-pane active" id="managers">
+		<?php 
+	echoLongTable(
+		['*'],
+		'contests_permissions',
+		"contest_id = {$contest['id']}",
+		'ORDER BY username',
+		<<<EOD
+				<tr>
+					<th>用户名</th>
+					<th style="width:6em">操作</th>
+				</tr>
+			EOD,
+		function ($row) {
+			echo '<tr>';
+			echo '<td>', getUserLink($row['username']), '</td>';
+			echo '<td>';
+			echo '<form method="POST" target="_self" class="d-inline-block" onsubmit=\'return confirm("你确定要将 ', $row['username'], ' 从比赛管理员列表中移除吗？")\'>';
+			echo '<input type="hidden" name="_token" value="', crsf_token(), '">';
+			echo '<input type="hidden" name="username" value="', $row['username'], '">';
+			echo '<button type="submit" class="btn btn-link text-danger text-decoration-none p-0" name="submit-remove_manager" value="remove_manager">移除</button>';
+			echo '</form>';
+			echo '</td>';
+			echo '</tr>';
+		},
+		[
+			'echo_full' => true,
+			'div_classes' => ['table-responsive'],
+			'table_classes' => ['table'],
+		]
+	);
+	?>
+	</div>
+	<div class="tab-pane" id="add-manager">
+		<div id="result-alert" class="alert" role="alert" style="display: none"></div>
+		<div class="row row-cols-1 row-cols-md-2">
+			<div class="col">
+				<?php $add_manager_form->printHTML(); ?>
+			</div>
+			<div class="col mt-3 mt-md-0">
+				<h5>注意事项</h5>
+				<ul class="mb-0">
+					<li>添加管理者前请确认用户名是否正确以免带来不必要的麻烦。</li>
+					<li>比赛管理者如果报名了比赛仍可以正常参赛，但不报名比赛也可以查看并管理本场比赛。</li>
+				</ul>
+			</div>
+		</div>
+	</div>
+</div>
+</div>
+<?php elseif ($cur_tab == 'others'): ?>
+<div class="card mt-3 mt-md-0">
+	<div class="card-header">
+		<ul class="nav nav-tabs card-header-tabs" role="tablist">
+			<li class="nav-item">
+				<a class="nav-link active" href="#type" data-bs-toggle="tab" data-bs-target="#type">赛制管理</a>
+			</li>
+			<li class="nav-item">
+				<a class="nav-link" href="#standings-version" data-bs-toggle="tab" data-bs-target="#standings-version">排名版本</a>
+			</li>
+			<li class="nav-item">
+				<a class="nav-link" href="#blogs" data-bs-toggle="tab" data-bs-target="#blogs">比赛资料</a>
+			</li>
+		</ul>
+	</div>
+	<div class="card-body tab-content">
+		<div class="tab-pane active" id="type">
+			<div id="type-result-alert" class="alert" role="alert" style="display: none"></div>
+			<div class="row row-cols-1 row-cols-md-2">
+				<div class="col">
+					<?php $contest_type_form->printHTML(); ?>
+				</div>
+				<div class="col mt-3 mt-md-0">
+					<h5>注意事项</h5>
+					<ul class="mb-0">
+						<li>目前 S2OJ 支持 OI 和 IOI 赛制。</li>
+					</ul>
+				</div>
+			</div>
+		</div>
+		<div class="tab-pane" id="standings-version">
+			<div id="version-result-alert" class="alert" role="alert" style="display: none"></div>
+			<div class="row row-cols-1 row-cols-md-2">
+				<div class="col">
+					<?php $version_form->printHTML(); ?>
+				</div>
+				<div class="col mt-3 mt-md-0">
+					<h5>注意事项</h5>
+					<ul class="mb-0">
+						<li>正常情况下无需调整此项设置。</li>
+					</ul>
+				</div>
+			</div>
+		</div>
+		<div class="tab-pane" id="blogs">
+			<div id="blogs-result-alert" class="alert" role="alert" style="display: none"></div>
+			<div class="row row-cols-1 row-cols-md-2">
+				<div class="col">
+					<?php $blog_link_contests->printHTML(); ?>
+				</div>
+				<div class="col mt-3 mt-md-0">
+					<h5>注意事项</h5>
+					<ul class="mb-0">
+						<li>添加比赛资料前请确认博客是否处于公开状态。</li>
+					</ul>
+				</div>
+			</div>
+		</div>
+	</div>
+</div>
+</div>
+<?php endif ?>
+</div>
+<!-- end right col -->
+</div>
+
 <?php echoUOJPageFooter() ?>
--- a/web/app/controllers/contest_members.php
+++ b/web/app/controllers/contest_members.php
@ -183,7 +183,7 @@
 	<?php if ($iHasRegistered): ?>
 		<div class="row">
 			<div class="col-6">
-				<a style="color:green">已报名</a>
+				<a class="text-decoration-none text-success">已报名</a>
 			</div>
 			<div class="col-6 text-end">
 				<?php $unregister_form->printHTML(); ?>
@ -199,16 +199,6 @@
 		$header_row = '<tr><th>#</th><th>'.UOJLocale::get('username').'</th>';
 	if ($show_ip) {
 		$header_row .= '<th>remote_addr</th><th>http_x_forwarded_for</th>';
-	
-		$ip_owner = array();
-		$forwarded_ip_owner = array();
-		$has_participated = array();
-		foreach (DB::selectAll("select * from contests_registrants where contest_id = {$contest['id']} order by username desc") as $reg) {
-			$user = queryUser($reg['username']);
-			$ip_owner[$user['remote_addr']] = $reg['username'];
-			$forwarded_ip_owner[$user['http_x_forwarded_for']] = $reg['username'];
-			$has_participated[$reg['username']] = $reg['has_participated'];
-		}
 	}
 	if ($has_contest_permission) {
 		$header_row .= '<th>是否参赛</th>';
@ -221,18 +211,10 @@
 		"contest_id = {$contest['id']}",
 		'order by username desc',
 		$header_row,
-		function($contestant, $num) use ($myUser, $has_contest_permission, $show_ip, $ip_owner, $has_participated) {
+		function($contestant, $num) use ($myUser, $has_contest_permission, $show_ip, $has_participated) {
 			$user = queryUser($contestant['username']);

-			if (!$show_ip) {
-				echo '<tr>';
-			} else {
-				if ($ip_owner[$user['remote_addr']] != $user['username'] || $forwarded_ip_owner[$user['http_x_forwarded_for']] != $user['username']) {
-					echo '<tr class="table-danger">';
-				} else {
-					echo '<tr>';
-				}
-			}
+			echo '<tr>';
 			echo '<td>'.$num.'</td>';
 			echo '<td>'.getUserLink($contestant['username']).'</td>';
 			if ($show_ip) {
--- a/web/app/controllers/contest_registration.php
+++ b/web/app/controllers/contest_registration.php
@ -1,42 +1,73 @@
 <?php
+	requireLib('bootstrap5');
 	requirePHPLib('form');

 	if (!validateUInt($_GET['id']) || !($contest = queryContest($_GET['id']))) {
 		become404Page();
 	}
-
-
 	genMoreContestInfo($contest);
 	
 	if (!Auth::check()) {
 		redirectToLogin();
 	} elseif (!isNormalUser($myUser) && UOJConfig::$data['switch']['force-login']) {
 		become403Page();
-	} elseif (hasRegistered($myUser, $contest) || $contest['cur_progress'] != CONTEST_NOT_STARTED) {
-		redirectTo('/contests');
+	} elseif (hasRegistered($myUser, $contest)) {
+		if ($contest['cur_progress'] < CONTEST_IN_PROGRESS) {
+			redirectTo('/contests');
+		} elseif ($contest['cur_progress'] == CONTEST_IN_PROGRESS) {
+			redirectTo("/contest/{$contest['id']}/confirm");
+		} else {
+			redirectTo("/contest/{$contest['id']}");
+		}
+	} elseif ($contest['cur_progress'] > CONTEST_IN_PROGRESS) {
+		redirectTo("/contest/{$contest['id']}");
 	}
 	
 	$register_form = new UOJForm('register');
-	$register_form->handle = function() {
-		global $myUser, $contest;
+	$register_form->handle = function() use ($myUser, $contest) {
 		DB::query("replace into contests_registrants (username, contest_id, has_participated) values ('{$myUser['username']}', {$contest['id']}, 0)");
+
 		updateContestPlayerNum($contest);
 	};
 	$register_form->submit_button_config['class_str'] = 'btn btn-primary';
-	$register_form->submit_button_config['text'] = '报名比赛';
-	$register_form->succ_href = "/contests";
+	$register_form->submit_button_config['text'] = '我已阅读规则，确认报名比赛';
+	
+	if ($contest['cur_progress'] == CONTEST_IN_PROGRESS) {
+		$register_form->succ_href = "/contest/{$contest['id']}/confirm";
+	} else {
+		$register_form->succ_href = "/contests";
+	}
 	
 	$register_form->runAtServer();
 	?>
-<?php echoUOJPageHeader(HTML::stripTags($contest['name']) . ' - 报名') ?>
-<h1 class="page-header">比赛规则</h1>
-<ul>
-	<li>比赛报名后不算正式参赛，报名后进了比赛页面也不算参赛，<strong>看了题目才算正式参赛</strong>。</li>
-	<li>比赛中途可以提交，若同一题有多次提交按<strong>最后一次不是 Compile Error 的提交</strong>算成绩。（其实UOJ会自动无视你所有 Compile Error 的提交）</li>
-	<li>比赛中途提交后，可以看到<strong>测样例</strong>的结果。（若为提交答案题则对于每个测试点，该测试点有分则该测试点为满分）</li>
-	<li>比赛结束后会进行最终测试，最终测试后的排名为最终排名。</li>
-	<li>比赛排名按分数为第一关键字，完成题目的总时间为第二关键字。完成题目的总时间等于完成每道题所花时间之和（无视掉爆零的题目）。</li>
-	<li>请遵守比赛规则，一位选手在一场比赛内不得报名多个账号，选手之间不能交流或者抄袭代码，如果被检测到将以 0 分处理或者封禁。</li>
-</ul>
-<?php $register_form->printHTML(); ?>
+<?php echoUOJPageHeader('报名 - ' . HTML::stripTags($contest['name'])) ?>
+
+<div class="card mw-100 mx-auto" style="width:800px">
+<div class="card-body">
+	<h1 class="h2 card-title text-center mb-3">比赛规则</h1>
+
+	<p class="card-text">您即将报名比赛 “<b><?= $contest['name'] ?></b>”，请在报名前仔细阅读以下比赛规则：</p>
+
+	<ul>
+		<?php if ($contest['cur_progress'] == CONTEST_IN_PROGRESS): ?>
+		<li class="text-danger">本场比赛正在进行中，将于 <b><?= $contest['end_time_str'] ?></b> 结束。</li>
+		<?php else: ?>
+		<li>本场比赛将于 <b><?= $contest['start_time_str'] ?></b> 开始，并于 <b><?= $contest['end_time_str'] ?></b> 结束。</li>
+		<?php endif ?>
+		<li>比赛开始后点击 “<b>确认参赛</b>” 按钮才会被视为正式参赛，未正式参赛的选手不会显示在排行榜上。</li>
+		<?php if (!isset($contest['extra_config']['contest_type']) || $contest['extra_config']['contest_type'] == 'OI'): ?>
+		<li>本场比赛为 OI 赛制。比赛中途可以提交代码，但 <b>只显示测样例的结果</b>。</li>
+		<?php elseif ($contest['extra_config']['contest_type'] == 'IOI'): ?>
+		<li>本场比赛为 IOI 赛制。比赛时的提交会测试题目的全部数据，但无法查看数据点详情。</li>
+		<?php endif ?>
+		<li>若选手在比赛中多次提交了同一题，则最后按照 <b>最后一次不是 Compile Error 的提交</b> 计算排行。</li>
+		<li>比赛结束后会进行最终测试，最终测试后的排名为最终排名。</li>
+		<li>比赛排名按分数为第一关键字，完成题目的总时间为第二关键字。完成题目的总时间等于完成每道题所花时间之和（无视掉爆零的题目）。</li>
+		<li>请遵守比赛规则，一位选手在一场比赛内不得报名多个账号，选手之间不能交流或者抄袭代码，如果被检测到将以 0 分处理或者封禁。</li>
+	</ul>
+
+	<?php $register_form->printHTML() ?>
+</div>
+</div>
+
 <?php echoUOJPageFooter() ?>
--- a/web/app/controllers/contests.php
+++ b/web/app/controllers/contests.php
@ -24,18 +24,22 @@ EOD;
 				$rest_second = $cur_rest_second;
 			}
 			if ($myUser != null && hasRegistered($myUser, $contest)) {
-				$contest_name_link .= '<sup><a class="text-decoration-none"  style="color:green">'.UOJLocale::get('contests::registered').'</a></sup>';
+				$contest_name_link .= '<sup><a class="text-decoration-none" style="color:green">'.UOJLocale::get('contests::registered').'</a></sup>';
 			} else {
-				$contest_name_link .= '<sup><a class="text-decoration-none"  style="color:red" href="/contest/'.$contest['id'].'/register">'.UOJLocale::get('contests::register').'</a></sup>';
+				$contest_name_link .= '<sup><a class="text-decoration-none" style="color:red" href="/contest/'.$contest['id'].'/register">'.UOJLocale::get('contests::register').'</a></sup>';
 			}
 		} elseif ($contest['cur_progress'] == CONTEST_IN_PROGRESS) {
-			$contest_name_link .= '<sup><a class="text-decoration-none"  style="color:blue" href="/contest/'.$contest['id'].'">'.UOJLocale::get('contests::in progress').'</a></sup>';
+			if (hasRegistered($myUser, $contest)) {
+				$contest_name_link .= '<sup><a class="text-decoration-none" style="color:blue" href="/contest/'.$contest['id'].'">'.UOJLocale::get('contests::in progress').'</a></sup>';
+			} else {
+				$contest_name_link .= '<sup><a class="text-decoration-none" style="color:blue" href="/contest/'.$contest['id'].'/register">'.UOJLocale::get('contests::in progress').'</a></sup>';
+			}
 		} elseif ($contest['cur_progress'] == CONTEST_PENDING_FINAL_TEST) {
-			$contest_name_link .= '<sup><a class="text-decoration-none"  style="color:blue" href="/contest/'.$contest['id'].'">'.UOJLocale::get('contests::pending final test').'</a></sup>';
+			$contest_name_link .= '<sup><a class="text-decoration-none" style="color:blue" href="/contest/'.$contest['id'].'">'.UOJLocale::get('contests::pending final test').'</a></sup>';
 		} elseif ($contest['cur_progress'] == CONTEST_TESTING) {
-			$contest_name_link .= '<sup><a class="text-decoration-none"  style="color:blue" href="/contest/'.$contest['id'].'">'.UOJLocale::get('contests::final testing').'</a></sup>';
+			$contest_name_link .= '<sup><a class="text-decoration-none" style="color:blue" href="/contest/'.$contest['id'].'">'.UOJLocale::get('contests::final testing').'</a></sup>';
 		} elseif ($contest['cur_progress'] == CONTEST_FINISHED) {
-			$contest_name_link .= '<sup><a class="text-decoration-none"  style="color:grey" href="/contest/'.$contest['id'].'/standings">'.UOJLocale::get('contests::ended').'</a></sup>';
+			$contest_name_link .= '<sup><a class="text-decoration-none" style="color:grey" href="/contest/'.$contest['id'].'/standings">'.UOJLocale::get('contests::ended').'</a></sup>';
 		}
 		
 		$last_hour = round($contest['last_min'] / 60, 2);
--- a/web/app/controllers/list_edit.php
+++ b/web/app/controllers/list_edit.php
@ -407,7 +407,7 @@ EOD,
 						echo '<tr>';

 						echo '<td class="text-center">', $row['id'], '</td>';
-						echo '<td>', '<a class="text-decoration-none" href="', HTML::url('/problem/' . $row['id']),'">', $row['title'], '</a>';
+						echo '<td>', getProblemLink($row);
 						if ($row['is_hidden']) {
 							echo ' <span class="badge text-bg-danger"><i class="bi bi-eye-slash-fill"></i> ', UOJLocale::get('hidden'), '</span> ';
 						}
--- a/web/app/controllers/problem.php
+++ b/web/app/controllers/problem.php
@ -33,19 +33,31 @@
 			if ($contest['cur_progress'] == CONTEST_NOT_STARTED) {
 				become404Page();
 			} elseif ($contest['cur_progress'] == CONTEST_IN_PROGRESS) {
-				if ($myUser == null || !hasRegistered($myUser, $contest)) {
-					becomeMsgPage("<h1>比赛正在进行中</h1><p>很遗憾，您尚未报名。比赛结束后再来看吧～</p>");
+				if (Auth::check()) {
+					if (hasParticipated($myUser, $contest)) {
+						$is_in_contest = true;
+					} else {
+						redirectTo("/contest/{$contest['id']}/confirm");
+					}
 				} else {
-					$is_in_contest = true;
-					DB::update("update contests_registrants set has_participated = 1 where username = '{$myUser['username']}' and contest_id = {$contest['id']}");
+					redirectToLogin();
 				}
 			} else {
 				$ban_in_contest = !isProblemVisibleToUser($problem, $myUser);
+
+				if (!hasRegistered($myUser, $contest) && !isNormalUser($myUser) && UOJConfig::$data['switch']['force-login']) {
+					become403Page();
+				}
 			}
 		} else {
 			if ($contest['cur_progress'] == CONTEST_IN_PROGRESS) {
-				$is_in_contest = true;
-				DB::update("update contests_registrants set has_participated = 1 where username = '{$myUser['username']}' and contest_id = {$contest['id']}");
+				if (hasRegistered($myUser, $contest)) {
+					if (hasParticipated($myUser, $contest)) {
+						$is_in_contest = true;
+					} else {
+						redirectTo("/contest/{$contest['id']}/confirm");
+					}
+				}
 			}
 		}
 	} else {
--- a/web/app/libs/uoj-contest-lib.php
+++ b/web/app/libs/uoj-contest-lib.php
@ -10,6 +10,7 @@ function genMoreContestInfo(&$contest) {
 	$contest['start_time'] = new DateTime($contest['start_time']);
 	$contest['end_time'] = clone $contest['start_time'];
 	$contest['end_time']->add(new DateInterval("PT${contest['last_min']}M"));
+	$contest['end_time_str'] = $contest['end_time']->format('Y-m-d H:i:s');
 	
 	if ($contest['status'] == 'unfinished') {
 		if (UOJTime::$time_now < $contest['start_time']) {
--- a/web/app/route.php
+++ b/web/app/route.php
@ -31,7 +31,8 @@ Route::group([
 		Route::any('/contest/{id}', '/contest_inside.php');
 		Route::any('/contest/{id}/registrants', '/contest_members.php');
 		Route::any('/contest/{id}/register', '/contest_registration.php');
-		Route::any('/contest/{id}/manage', '/contest_manage.php');
+		Route::any('/contest/{id}/confirm', '/contest_confirmation.php');
+		Route::any('/contest/{id}/manage(?:/{tab})?', '/contest_manage.php');
 		Route::any('/contest/{id}/submissions', '/contest_inside.php?tab=submissions');
 		Route::any('/contest/{id}/standings', '/contest_inside.php?tab=standings');
 		Route::any('/contest/{id}/after_contest_standings', '/contest_inside.php?tab=after_contest_standings');
--- a/web/js/uoj.js
+++ b/web/js/uoj.js
@ -1144,7 +1144,7 @@ function showStandings(config) {
 			var col_tr = '<tr>';
 			col_tr += '<td>' + row[3] + '</td>';
 			col_tr += '<td>' + getUserLink(row[2][0], row[2][1]) + '</td>';
-			col_tr += '<td>' + '<div><span class="uoj-score" data-max="' + problems.length * 100 + '" style="color:' + getColOfScore(row[0] / problems.length) + '">' + row[0] + '</span></div>' + '<div>' + (row[1] == 0 ? '(未提交)' : getPenaltyTimeStr(row[1])) + '</div></td>';
+			col_tr += '<td>' + '<div><span class="uoj-score" data-max="' + problems.length * 100 + '" style="color:' + getColOfScore(row[0] / problems.length) + '">' + row[0] + '</span></div>' + '<div>' + getPenaltyTimeStr(row[1]) + '</div></td>';
 			for (var i = 0; i < problems.length; i++) {
 				col_tr += '<td' + (show_self_reviews ? ' style="vertical-align: text-top"' : '') + '>';
 				col = score[row[2][0]][i];