refactor(web/user): user_info v2 (#6)

2024-12-23 07:51:53 +00:00 · 2022-10-20 10:56:02 +08:00 · 2022-10-20 10:56:02 +08:00 · a9583e605e
commit a9583e605e
parent bf6961f72c 002827ef48
22 changed files with 724 additions and 714 deletions
--- a/db/app_uoj233.sql
+++ b/db/app_uoj233.sql
@ -816,6 +816,10 @@ CREATE TABLE `user_info` (
  `last_login` timestamp NOT NULL DEFAULT 0,
  `last_visited` timestamp NOT NULL DEFAULT 0,
  `images_size_limit` int(11) UNSIGNED NOT NULL DEFAULT 104857600, /* 100 MiB */
+  `codeforces_handle` varchar(20) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
+  `github` varchar(20) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
+  `website` varchar(50) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '',
+  `avatar_source` varchar(10) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT 'gravatar',
  PRIMARY KEY (`username`),
  KEY `ac_num` (`ac_num`,`username`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
--- a/web/app/controllers/faq.php
+++ b/web/app/controllers/faq.php
@ -78,6 +78,9 @@
 	<p class="card-text">
 		快使用 Gravatar 吧！Gravatar 地址：<a href="https://cn.gravatar.com" target="_blank">https://cn.gravatar.com</a>。进去后注册个帐号然后与邮箱绑定并上传头像，就 OK 啦！
 	</p>
+	<p class="card-text">
+		上不去 Gravatar？没关系，我们现在也支持 QQ 头像了！你只需要前往 “更改个人信息” 页面填写自己的 QQ 号，并将 “头像来源” 选为 “QQ” 就可以让你的 QQ 头像显示在 S2OJ 上啦！
+	</p>

 	<h5 class="mt-4">递归 10<sup>7</sup> 层怎么没爆栈啊</h5>
 	<p class="card-text">
--- a/web/app/controllers/user_info.php
+++ b/web/app/controllers/user_info.php
@ -1,4 +1,7 @@
 <?php
+	requireLib('bootstrap5');
+	requireLib('calendar_heatmap');
+
 	if (!Auth::check() && UOJConfig::$data['switch']['force-login']) {
 		redirectToLogin();
 	}
@ -13,138 +16,9 @@
 		become404Page();
 	}
 	?>
-<?php
-	if (!isset($_COOKIE['bootstrap4'])) {
-		$REQUIRE_LIB['bootstrap5'] = '';
-		$REQUIRE_LIB['calendar_heatmap'] = '';
-	} else {
-		$REQUIRE_LIB['github_contribution_graph'] = '';
-	}
-	?>
+
 <?php echoUOJPageHeader($user['username'] . ' - ' . UOJLocale::get('user profile')) ?>
-<?php if (isset($REQUIRE_LIB['bootstrap5'])): ?>
-	<?php uojIncludeView('user-info', array('user' => $user, 'myUser' => $myUser)) ?>
-<?php else: ?>
-<?php
-		$esc_sex = HTML::escape($user['sex']);
-		$col_sex="color:blue";
-		if ($esc_sex == "M") {
-			$esc_sex="♂";
-			$col_sex="color:blue";
-		} elseif ($esc_sex == "F") {
-			$esc_sex="♀";
-			$col_sex="color:red";
-		} else {
-			$esc_sex="";
-			$col_sex="color:black";
-		}
-		?>
-<div class="card border-info">
-	<h5 class="card-header bg-info"><?= UOJLocale::get('user profile') ?></h5>
-	<div class="card-body">
-		<div class="row mb-4">
-			<div class="col-md-4 order-md-9">
-				<img class="media-object img-thumbnail d-block mx-auto" alt="<?= $user['username'] ?> Avatar" src="<?= HTML::avatar_addr($user, 256) ?>" />
-			</div>
-			<div class="col-md-8 order-md-1">
-				<h2><span class="uoj-honor" data-realname="<?= $user['realname'] ?>"><?= $user['username'] ?></span> <span><strong style="<?= $col_sex ?>"><?= $esc_sex ?></strong></span></h2>
-				<div class="list-group">
-					<div class="list-group-item">
-						<h4 class="list-group-item-heading"><?= UOJLocale::get('email') ?></h4>
-						<p class="list-group-item-text"><?= HTML::escape($user['email']) ?></p>
-					</div>
-					<div class="list-group-item">
-						<h4 class="list-group-item-heading"><?= UOJLocale::get('QQ') ?></h4>
-						<p class="list-group-item-text"><?= HTML::escape($user['qq'] != 0 ? $user['qq'] : 'Unfilled') ?></p>
-					</div>
-					<div class="list-group-item">
-						<h4 class="list-group-item-heading"><?= UOJLocale::get('motto') ?></h4>
-						<div class="list-group-item-text"><?= HTML::purifier_inline()->purify(HTML::parsedown()->line($user['motto'])) ?></div>
-					</div>
-					
-					<?php if (isSuperUser($myUser)): ?>
-					<div class="list-group-item">
-						<h4 class="list-group-item-heading">register time</h4>
-						<p class="list-group-item-text"><?= $user['register_time'] ?></p>
-					</div>
-					<div class="list-group-item">
-						<h4 class="list-group-item-heading">remote_addr</h4>
-						<p class="list-group-item-text"><?= $user['remote_addr'] ?></p>
-					</div>
-					<div class="list-group-item">
-						<h4 class="list-group-item-heading">http_x_forwarded_for</h4>
-						<p class="list-group-item-text"><?= $user['http_x_forwarded_for'] ?></p>
-					</div>
-					<?php endif ?>
-				</div>
-			</div>
-		</div>
-		<?php if (Auth::check()): ?>
-		<?php if (Auth::id() != $user['username']): ?>
-		<a type="button" class="btn btn-info btn-sm" href="/user_msg?enter=<?= $user['username'] ?>"><span class="glyphicon glyphicon-envelope"></span> <?= UOJLocale::get('send private message') ?></a>
-		<?php else: ?>
-		<a type="button" class="btn btn-info btn-sm" href="/user/<?= $user['username'] ?>/edit"><span class="glyphicon glyphicon-pencil"></span> <?= UOJLocale::get('modify my profile') ?></a>
-		<?php endif ?>
-		<?php endif ?>
-		
-		<a type="button" class="btn btn-success btn-sm" href="<?= HTML::blog_url($user['username'], '/') ?>"><span class="glyphicon glyphicon-arrow-right"></span> <?= UOJLocale::get('visit his blog', $username) ?></a>
-		<a type="button" class="btn btn-success btn-sm" href="<?= HTML::blog_url($user['username'], '/self_reviews') ?>"><span class="glyphicon glyphicon-arrow-right"></span> 查看 <?= $username ?> 的所有赛后总结</a>
-		
-		<div class="top-buffer-lg"></div>
-		<div class="list-group">
-			<div class="list-group-item">
-				<?php
-						$_result = DB::query("select date(submit_time), problem_id from submissions where submitter = '{$username}' and score = 100 and date(submit_time) between date_sub(curdate(), interval 1 year) and curdate()");
-	$result = [];
-	$vis = [];
-	while ($row = DB::fetch($_result)) {
-		$id = $row['date(submit_time)'] . ':' . $row['problem_id'];
-		if (!$vis[$id]) {
-			$vis[$id] = 1;
-			$result[strtotime($row['date(submit_time)']) * 1000]++;
-		}
-	}
-	?>
-				<h4 class="list-group-item-heading"><?= UOJLocale::get('n accepted in last year', count($result)) ?></h4>
-				<div id="accepted-graph"></div>
-				<script>
-					var accepted_graph_data = [
-						<?php
-			foreach ($result as $key => $val) {
-				echo "{ timestamp: {$key}, count: {$val} }, ";
-			}
-	?>
-					];

-					$(document).ready(function () {
-						$('#accepted-graph').github_graph({
-							data: accepted_graph_data,
-							texts: ['AC', 'AC'],
-							h_days: ['Tue', 'Thu', 'Sat'],
-						});
-					});
-				</script>
-			</div>
-			<div class="list-group-item">
-				<?php
-						$ac_problems = DB::selectAll("select a.problem_id as problem_id, b.title as title from best_ac_submissions a inner join problems b on a.problem_id = b.id where submitter = '{$user['username']}';");
-	?>
-				<h4 class="list-group-item-heading"><?= UOJLocale::get('accepted problems').'：'.UOJLocale::get('n problems in total', count($ac_problems))?> </h4>
-				<ul class="list-group-item-text nav">
-				<?php
-						foreach ($ac_problems as $problem) {
-							echo '<li class="mr-1 mb-1"><a href="/problem/', $problem['problem_id'], '" role="button" class="btn btn-light h-100" style="width: 12rem;">#', $problem['problem_id'], '. ', $problem['title'], '</a></li>';
-						}
-
-						if (empty($ac_problems)) {
-							echo UOJLocale::get('none');
-						}
-	?>
-				</ul>
-			</div>
-		</div>
-	</div>
-</div>
-<?php endif ?>
+<?php uojIncludeView('user-info', array('user' => $user, 'myUser' => $myUser)) ?>

 <?php echoUOJPageFooter() ?>
--- a/web/app/controllers/user_info_edit.php
+++ b/web/app/controllers/user_info_edit.php
@ -1,4 +1,8 @@
 <?php
+	requireLib('bootstrap5');
+	requireLib('md5');
+	requirePHPLib('form');
+
 	if (!Auth::check()) {
 		redirectToLogin();
 	}
@ -11,202 +15,475 @@
 		become403Page();
 	}

-	function handlePost() {
-		global $myUser, $user;
-		if ($user['username'] == Auth::id()) {
-			if (!isset($_POST['old_password'])) {
-				return '无效表单';
-			}
-			$old_password = $_POST['old_password'];
-			if (!validatePassword($old_password) || !checkPassword($user, $old_password)) {
-				return "失败：密码错误。";
-			}
-		}
-		if ($_POST['ptag']) {
-			$password = $_POST['password'];
-			if (!validatePassword($password)) {
-				return "失败：无效密码。";
-			}
-			$password = getPasswordToStore($password, $user['username']);
-			DB::update("update user_info set password = '$password' where username = '{$user['username']}'");
-		}
+	if (isset($_GET['tab'])) {
+		$cur_tab = $_GET['tab'];
+	} else {
+		$cur_tab = 'profile';
+	}
+	
+	$tabs_info = [
+		'profile' => [
+			'name' => '<i class="bi bi-person-fill"></i> 个人资料',
+			'url' => "/user/{$user['username']}/edit/profile",
+		],
+		'password' => [
+			'name' => '<i class="bi bi-lock-fill"></i> 修改密码',
+			'url' => "/user/{$user['username']}/edit/password",
+		],
+		'privilege' => [
+			'name' => '<i class="bi bi-key-fill"></i> 特权',
+			'url' => "/user/{$user['username']}/edit/privilege",
+		]
+	];
+	
+	if (!isset($tabs_info[$cur_tab])) {
+		become404Page();
+	}

-		$email = $_POST['email'];
-		if (!validateEmail($email)) {
-			return "失败：无效电子邮箱。";
-		}
-		$esc_email = DB::escape($email);
-		DB::update("update user_info set email = '$esc_email' where username = '{$user['username']}'");
+	if ($cur_tab == 'profile') {
+		$update_profile_form = new UOJForm('update_profile');
+		$username = UOJLocale::get('username');
+		$avatar = UOJLocale::get('avatar');
+		$update_profile_form->appendHTML(<<<EOD
+	<div class="mb-3">
+		<label for="input-username" class="form-label">$username</label>
+		<input type="text" class="form-control" id="input-username" aria-describedby="help-username" value="{$user['username']}" disabled>
+		<div id="help-username" class="form-text">用户名不能被修改。</div>
+	</div>
+EOD);
+		$update_profile_form->addVCheckboxes('avatar_source', [
+			'gravatar' => 'Gravatar',
+			'qq' => 'QQ',
+		], UOJLocale::get('user::avatar source'), $user['avatar_source']);
+		$change_avatar_help = UOJLocale::get('change avatar help');
+		$update_profile_form->appendHTML(<<<EOD
+	<div style="margin-top: -1.25rem;" class="mb-3 small text-muted">
+		$change_avatar_help
+		</div>
+EOD);
+		$update_profile_form->addVInput('email', 'email', UOJLocale::get('email'), $user['email'],
+			function($email, &$vdata) {
+				if (!validateEmail($email)) {
+					return 'Email 格式不合法。';
+				}

-		if ($_POST['Qtag']) {
-			$qq = $_POST['qq'];
-			if (!validateQQ($qq)) {
-				return "失败：无效QQ。";
-			}
-			$esc_qq = DB::escape($qq);
-			DB::update("update user_info set qq = '$esc_qq' where username = '{$user['username']}'");
+				$vdata['email'] = $email;
+
+				return '';
+			}, null);
+		$update_profile_form->addVInput('qq', 'text', UOJLocale::get('QQ'), $user['qq'] == 0 ? '' : $user['qq'],
+			function($qq, &$vdata) {
+				if ($qq && !validateQQ($qq)) {
+					return 'QQ 格式不合法。';
+				}
+
+				$vdata['qq'] = $qq;
+
+				return '';
+			}, null);
+		$update_profile_form->addVInput('github', 'text', 'GitHub', $user['github'],
+			function($github, &$vdata) {
+				if ($github && !validateGitHubUsername($github)) {
+					return 'GitHub 用户名不合法。';
+				}
+
+				$vdata['github'] = $github;
+
+				return '';
+			}, null);
+		if (isSuperUser($myUser)) {
+			$update_profile_form->addVInput('school', 'text', UOJLocale::get('school'), $user['school'],
+				function($school, &$vdata) {
+					$vdata['school'] = $school;
+
+					return '';
+				}, null);
 		} else {
-			DB::update("update user_info set QQ = NULL where username = '{$user['username']}'");
+			$school = UOJLocale::get('school');
+			$update_profile_form->appendHTML(<<<EOD
+	<div class="mb-3">
+		<label for="input-school" class="form-label">$school</label>
+		<input type="text" class="form-control" id="input-school" aria-describedby="help-school" value="{$user['school']}" disabled>
+		<div id="help-school" class="form-text">只有管理员才能修改用户所属学校。</div>
+	</div>
+EOD);
 		}
-		if ($_POST['sex'] == "U" || $_POST['sex'] == 'M' || $_POST['sex'] == 'F') {
-			$sex = $_POST['sex'];
-			$esc_sex = DB::escape($sex);
-			DB::update("update user_info set sex = '$esc_sex' where username = '{$user['username']}'");
-		}
-		
-		if (validateMotto($_POST['motto'])) {
-			$esc_motto = DB::escape($_POST['motto']);
-			DB::update("update user_info set motto = '$esc_motto' where username = '{$user['username']}'");
-		}
-		
-		return "ok";
+		$update_profile_form->addVCheckboxes('sex', [
+				'U' => UOJLocale::get('refuse to answer'),
+				'M' => UOJLocale::get('male'),
+				'F' => UOJLocale::get('female'),
+			], UOJLocale::get('sex'), $user['sex']);
+		$update_profile_form->addVInput('motto', 'text', UOJLocale::get('motto'), $user['motto'],
+			function($motto, &$vdata) {
+				if (!validateMotto($motto)) {
+					return '格言格式不合法';
+				}
+
+				$vdata['motto'] = $motto;
+
+				return '';
+			}, null);
+		$update_profile_form->addVInput('codeforces_handle', 'text', UOJLocale::get('codeforces handle'), $user['codeforces_handle'],
+			function($codeforces_handle, &$vdata) {
+				if ($codeforces_handle && !validateUsername($codeforces_handle)) {
+					return 'Codeforces 用户名格式不合法。';
+				}
+
+				$vdata['codeforces_handle'] = $codeforces_handle;
+
+				return '';
+			}, null);
+		$update_profile_form->addVInput('website', 'text', UOJLocale::get('user::website'), $user['website'],
+			function($url, &$vdata) {
+				if ($url && !validateURL($url)) {
+					return '链接格式不合法。';
+				}
+
+				$vdata['website'] = $url;
+
+				return '';
+			}, null);
+		$update_profile_form->handle = function(&$vdata) use ($user, $myUser) {
+			$esc_email = DB::escape($vdata['email']);
+			$esc_qq = DB::escape($vdata['qq']);
+			$esc_github = DB::escape($vdata['github']);
+			$esc_sex = DB::escape($_POST['sex']);
+			$esc_motto = DB::escape($vdata['motto']);
+			$esc_codeforces_handle = DB::escape($vdata['codeforces_handle']);
+			$esc_website = DB::escape($vdata['website']);
+			$esc_avatar_source = DB::escape($_POST['avatar_source']);
+
+			if (isSuperUser($myUser)) {
+				$esc_school = DB::escape($vdata['school']);
+
+				DB::update("UPDATE user_info SET school = '$esc_school' WHERE username = '{$user['username']}'");
+			}
+
+			DB::update("UPDATE user_info SET email = '$esc_email', qq = '$esc_qq', sex = '$esc_sex', motto = '$esc_motto', codeforces_handle = '$esc_codeforces_handle', github = '$esc_github', website = '$esc_website', avatar_source = '$esc_avatar_source' WHERE username = '{$user['username']}'");
+
+			header('Content-Type: application/json');
+			die(json_encode(['status' => 'success']));
+		};
+		$update_profile_form->submit_button_config['margin_class'] = 'mt-3';
+		$update_profile_form->submit_button_config['text'] = '更新';
+		$update_profile_form->setAjaxSubmit(<<<EOD
+function(res) {
+	if (res.status === 'success') {
+		$('#result-alert')
+			.html('个人信息修改成功！')
+			.addClass('alert-success')
+			.removeClass('alert-danger')
+			.show();
+	} else {
+		$('#result-alert')
+			.html('个人信息修改失败。' + (res.message || ''))
+			.removeClass('alert-success')
+			.addClass('alert-danger')
+			.show();
 	}
-	if (isset($_POST['change'])) {
-		die(handlePost());
+
+	$(window).scrollTop(0);
+}
+EOD);
+		$update_profile_form->runAtServer();
+	} elseif ($cur_tab == 'password') {
+		if (isset($_POST['submit-change_password']) && $_POST['submit-change_password'] == 'change_password') {
+			header('Content-Type: application/json');
+
+			$old_password = $_POST['current_password'];
+			$new_password = $_POST['new_password'];
+
+			if (!validatePassword($old_password) || !checkPassword($user, $old_password)) {
+				die(json_encode(['status' => 'error', 'message' => '旧密码错误']));
+			}
+
+			if (!validatePassword($new_password)) {
+				die(json_encode(['status' => 'error', 'message' => '新密码不合法']));
+			}
+
+			if ($old_password == $new_password) {
+				die(json_encode(['status' => 'error', 'message' => '新密码不能与旧密码相同']));
+			}
+
+			$password = getPasswordToStore($new_password, $user['username']);
+			DB::update("UPDATE `user_info` SET `password` = '$password' where `username` = '{$user['username']}'");
+			die(json_encode(['status' => 'success', 'message' => '密码修改成功']));
+		}
+	} elseif ($cur_tab == 'privilege') {
+		if (isset($_POST['submit-privilege']) && $_POST['submit-privilege'] == 'privilege' && isSuperUser($myUser)) {
+			header('Content-Type: application/json');
+
+			$user['usertype'] = 'student';
+
+			if ($_POST['user_type'] == 'teacher') {
+				removeUserType($user, 'student');
+				addUserType($user, 'teacher');
+			} else {
+				addUserType($user, 'student');
+			}
+
+			if ($_POST['problem_uploader'] == 'yes') {
+				addUserType($user, 'problem_uploader');
+			}
+
+			if ($_POST['problem_manager'] == 'yes') {
+				addUserType($user, 'problem_manager');
+			}
+
+			if ($_POST['contest_judger'] == 'yes') {
+				addUserType($user, 'contest_judger');
+			}
+
+			if ($_POST['contest_only'] == 'yes') {
+				addUserType($user, 'contest_only');
+			}
+
+			DB::update("UPDATE `user_info` SET `usertype` = '{$user['usertype']}' where `username` = '{$user['username']}'");
+
+			die(json_encode(['status' => 'success', 'message' => '权限修改成功']));
+		}
 	}
+
+	$pageTitle = $user['username'] == $myUser['username']
+		? UOJLocale::get('modify my profile')
+		: UOJLocale::get('modify his profile', $user['username'])
 	?>
-<?php
-	$REQUIRE_LIB['dialog'] = '';
-	$REQUIRE_LIB['md5'] = '';
-	?>
-<?php echoUOJPageHeader(UOJLocale::get('modify my profile')) ?>
-<h2 class="page-header">
-	<?php if ($user['username'] == Auth::id()): ?>
-		<?= UOJLocale::get('modify my profile') ?>
-	<?php else: ?>
-		修改 <?= $user['username'] ?> 的个人信息
-	<?php endif ?>
-</h2>
-<?php if (isSuperUser($myUser)): ?>
-	<p>您正在使用管理特权修改 <?= $user['username'] ?> 的个人信息。</p>
+
+<?php echoUOJPageHeader($pageTitle) ?>
+
+<h1 class="h2">
+	<?= $pageTitle ?>
+</h1>
+
+<div class="row mt-4">
+<!-- left col -->
+<div class="col-md-3">
+
+<div class="list-group">
+	<?php foreach ($tabs_info as $id => $tab): ?>
+	<a
+		role="button"
+		class="list-group-item list-group-item-action <?= $cur_tab == $id ? 'active' : '' ?>"
+		href="<?= $tab['url'] ?>">
+		<?= $tab['name'] ?>
+	</a>
+	<?php endforeach ?>
+</div>
+
+<a
+	class="btn btn-light d-block mt-2 w-100 text-start text-primary"
+	style="--bs-btn-hover-bg: #d3d4d570; --bs-btn-hover-border-color: transparent;"
+	href="<?= HTML::url("/user/{$user['username']}") ?>">
+	<i class="bi bi-arrow-left"></i> 返回
+</a>
+
+<?php if (isSuperUser($myUser) && $user['username'] != $myUser['username']): ?>
+<div class="alert alert-warning mt-3 small" role="alert">
+	您正在使用管理特权查看并编辑其它用户的资料。
+</div>
 <?php endif ?>
-<form id="form-update" class="form-horizontal">
-	<?php if ($user['username'] == Auth::id()): ?>
-	<h4><?= UOJLocale::get('please enter your password for authorization') ?></h4>
-	<div id="div-old_password" class="form-group">
-		<label for="input-old_password" class="col-sm-2 control-label"><?= UOJLocale::get('password') ?></label>
-		<div class="col-sm-3">
-			<input type="password" class="form-control" name="old_password" id="input-old_password" placeholder="<?= UOJLocale::get('enter your password') ?>" maxlength="20" />
-			<span class="help-block" id="help-old_password"></span>
-		</div>
-	</div>
-	<?php endif ?>
-	<h4><?= UOJLocale::get('please enter your new profile') ?></h4>
-	<div id="div-password" class="form-group">
-		<label for="input-password" class="col-sm-2 control-label"><?= UOJLocale::get('new password') ?></label>
-		<div class="col-sm-3">
-			<input type="password" class="form-control" id="input-password" name="password" placeholder="<?= UOJLocale::get('enter your new password') ?>" maxlength="20" />
-			<input type="password" class="form-control top-buffer-sm" id="input-confirm_password" placeholder="<?= UOJLocale::get('re-enter your new password') ?>" maxlength="20" />
-			<span class="help-block" id="help-password"><?= UOJLocale::get('leave it blank if you do not want to change the password') ?></span>
-		</div>
-	</div>
-	<div id="div-email" class="form-group">
-		<label for="input-email" class="col-sm-2 control-label"><?= UOJLocale::get('email') ?></label>
-		<div class="col-sm-3">
-			<input type="email" class="form-control" name="email" id="input-email" value="<?=$user['email']?>" placeholder="<?= UOJLocale::get('enter your email') ?>" maxlength="50" />
-			<span class="help-block" id="help-email"></span>
-		</div>
-	</div>
-	<div id="div-qq" class="form-group">
-		<label for="input-qq" class="col-sm-2 control-label"><?= UOJLocale::get('QQ') ?></label>
-		<div class="col-sm-3">
-			<input type="text" class="form-control" name="qq" id="input-qq" value="<?= $user['qq'] != 0 ? $user['qq'] : '' ?>" placeholder="<?= UOJLocale::get('enter your QQ') ?>" maxlength="50" />
-			<span class="help-block" id="help-qq"></span>
-		</div>
-	</div>
-	<div id="div-sex" class="form-group">
-		<label for="input-sex" class="col-sm-2 control-label"><?= UOJLocale::get('sex') ?></label>
-		<div class="col-sm-3">
-			<select class="form-control" id="input-sex"  name="sex">
-				<option value="U"<?= $user['sex'] == 'U' ? ' selected="selected"' : ''?>><?= UOJLocale::get('refuse to answer') ?></option>
-				<option value="M"<?= $user['sex'] == 'M' ? ' selected="selected"' : ''?>><?= UOJLocale::get('male') ?></option>
-				<option value="F"<?= $user['sex'] == 'F' ? ' selected="selected"' : ''?>><?= UOJLocale::get('female') ?></option>
-			</select>
-		</div>
-	</div>
-	<div id="div-motto" class="form-group">
-		<label for="input-motto" class="col-sm-2 control-label"><?= UOJLocale::get('motto') ?></label>
-		<div class="col-sm-3">
-			<textarea class="form-control" id="input-motto"  name="motto"><?=HTML::escape($user['motto'])?></textarea>
-			<span class="help-block" id="help-motto">格言支持 Markdown 语法。</span>
-		</div>
-	</div>
-	<div class="form-group">
-    	<div class="col-sm-offset-2 col-sm-3">
-	      <p class="form-control-static"><strong><?= UOJLocale::get('change avatar help') ?></strong></p>
-	    </div>
-	</div>
-	<div class="form-group">
-		<div class="col-sm-offset-2 col-sm-3">
-			<button type="submit" id="button-submit" class="btn btn-secondary"><?= UOJLocale::get('submit') ?></button>
-		</div>
-	</div>
-</form>

-<script type="text/javascript">
-	function validateUpdatePost() {
-		var ok = true;
-		ok &= getFormErrorAndShowHelp('email', validateEmail);
+</div>
+<!-- end left col -->

-	<?php if ($user['username'] == Auth::id()): ?>
-		ok &= getFormErrorAndShowHelp('old_password', validatePassword);
-	<?php endif ?>
+<!-- right col -->
+<div class="col-md-9">
+<?php if ($cur_tab == 'profile'): ?>
+	<div class="card">
+		<div class="card-body">
+			<div id="result-alert" class="alert" role="alert" style="display: none"></div>
+			<?php $update_profile_form->printHTML() ?>
+		</div>
+	</div>
+<?php elseif ($cur_tab == 'password'): ?>
+	<div class="card">
+		<div class="card-body">
+			<div id="result-alert" class="alert" role="alert" style="display: none"></div>
+			<form method="post" id="form-change_password">
+				<div class="mb-3">
+					<label for="input-current_password" class="form-label">
+						<?= UOJLocale::get('current password') ?>
+					</label>
+					<input type="password" class="form-control" id="input-current_password" placeholder="<?= UOJLocale::get('enter your password') ?>" maxlength="20">
+					<div id="help-current_password" class="invalid-feedback"></div>
+				</div>
+				<div class="mb-3">
+					<label for="input-new_password" class="form-label">
+						<?= UOJLocale::get('new password') ?>
+					</label>
+					<input type="password" class="form-control" id="input-new_password" placeholder="<?= UOJLocale::get('enter your new password') ?>" maxlength="20">
+					<div id="help-new_password" class="invalid-feedback"></div>
+				</div>
+				<div class="mb-3">
+					<label for="input-confirm_password" class="form-label">
+						<?= UOJLocale::get('confirm new password') ?>
+					</label>
+					<input type="password" class="form-control" id="input-confirm_password" placeholder="<?= UOJLocale::get('re-enter your new password') ?>" maxlength="20">
+					<div id="help-confirm_password" class="invalid-feedback"></div>
+				</div>
+				<?php if (isSuperUser($myUser) && $user['username'] != $myUser['username']): ?>
+				<div class="alert alert-warning mb-0" role="alert">
+					如需修改其他用户的密码，请前往 <a href="/super-manage/users" class="alert-link">系统管理</a> 页面操作。
+				</div>
+				<?php endif ?>

-		if ($('#input-password').val().length > 0)
-			ok &= getFormErrorAndShowHelp('password', validateSettingPassword);
-		if ($('#input-qq').val().length > 0)
-			ok &= getFormErrorAndShowHelp('qq', validateQQ);
-		ok &= getFormErrorAndShowHelp('motto', validateMotto);
-		return ok;
-	}
-	function submitUpdatePost() {
-		if (!validateUpdatePost())
-			return;
-		$.post('', {
-			change   : '',
-			etag     : $('#input-email').val().length,
-			ptag     : $('#input-password').val().length,
-			Qtag     : $('#input-qq').val().length,
-			email    : $('#input-email').val(),
-			password : md5($('#input-password').val(), "<?= getPasswordClientSalt() ?>"),
-		<?php if ($user['username'] == Auth::id()): ?>
-			old_password : md5($('#input-old_password').val(), "<?= getPasswordClientSalt() ?>"),
-		<?php endif ?>
-			qq       : $('#input-qq').val(),
-			sex      : $('#input-sex').val(),
-			motto    : $('#input-motto').val()
-		}, function(msg) {
-			if (msg == 'ok') {
-				BootstrapDialog.show({
-					title   : '修改成功',
-					message : '用户信息修改成功',
-					type    : BootstrapDialog.TYPE_SUCCESS,
-					buttons : [{
-						label: '好的',
-						action: function(dialog) {
-							dialog.close();
+				<div class="text-center">
+					<button type="submit" id="button-submit-change_password" name="submit-change_password" value="change_password" class="mt-3 btn btn-secondary">更新</button>
+				</div>
+			</form>
+		</div>
+	</div>
+	<script>
+		$('#form-change_password').submit(function() {
+			var ok = true;
+
+			$('#result-alert').hide();
+
+			ok &= getFormErrorAndShowHelp('current_password', validatePassword);
+			ok &= getFormErrorAndShowHelp('new_password', validateSettingPassword);
+
+			if (ok) {
+				$.ajax({
+					method: 'POST',
+					data: {
+						'submit-change_password': 'change_password',
+						'current_password': md5($('#input-current_password').val(), "<?= getPasswordClientSalt() ?>"),
+						'new_password': md5($('#input-new_password').val(), "<?= getPasswordClientSalt() ?>"),
+					},
+					success: function(res) {
+						if (res.status === 'success') {
+							$('#result-alert')
+								.html('密码修改成功！')
+								.addClass('alert-success')
+								.removeClass('alert-danger')
+								.show();
+						} else {
+							$('#result-alert')
+								.html('密码修改失败。' + (res.message || ''))
+								.removeClass('alert-success')
+								.addClass('alert-danger')
+								.show();
 						}
-					}],
-					onhidden : function(dialog) {
-						window.location.href = '/user/<?=$user['username']?>';
+
+						$(window).scrollTop(0);
+					},
+					error: function() {
+						$('#result-alert')
+							.html('密码修改失败：请求失败。')
+							.removeClass('alert-success')
+							.addClass('alert-danger')
+							.show();
+
+						$(window).scrollTop(0);
 					}
 				});
-			} else {
-				BootstrapDialog.show({
-					title   : '修改失败',
-					message : msg,
-					type    : BootstrapDialog.TYPE_DANGER,
-					buttons: [{
-						label: '好的',
-						action: function(dialog) {
-							dialog.close();
-						}
-					}],
-				});
 			}
+
+			return false;
 		});
-	}
-	$(document).ready(function(){$('#form-update').submit(function(e) {submitUpdatePost();e.preventDefault();});
-	});
-</script>
+	</script>
+<?php elseif ($cur_tab == 'privilege'): ?>
+	<div class="card">
+		<div class="card-body">
+			<div id="result-alert" class="alert" role="alert" style="display: none"></div>
+			<form id="form-privilege" method="post">
+				<?php if (isSuperUser($myUser)): ?>
+				<fieldset>
+				<?php else: ?>
+				<fieldset disabled>
+				<?php endif ?>
+				<div class="input-group mb-3">
+					<label for="input-user_type" class="form-label">
+						<?= UOJLocale::get('user::user type') ?>
+					</label>
+					<div class="form-check ms-3">
+						<input class="form-check-input" type="radio" name="user_type" value="student" id="input-user_type" <?= hasUserType($user, 'student') && !hasUserType($user, 'teacher') ? 'checked' : '' ?>>
+						<label class="form-check-label" for="input-user_type">
+							<?= UOJLocale::get('user::student') ?>
+						</label>
+					</div>
+					<div class="form-check ms-2">
+						<input class="form-check-input" type="radio" name="user_type" value="teacher" id="input-user_type_2" <?= hasUserType($user, 'teacher') ? 'checked' : '' ?>>
+						<label class="form-check-label" for="input-user_type_2">
+							<?= UOJLocale::get('user::teacher') ?>
+						</label>
+					</div>
+				</div>
+
+				<div class="form-check form-switch">
+					<input class="form-check-input" type="checkbox" role="switch" name="problem_uploader" id="input-problem_uploader" <?= hasUserType($user, 'problem_uploader') ? 'checked' : '' ?>>
+					<label class="form-check-label" for="input-problem_uploader">
+						<?= UOJLocale::get('user::problem uploader') ?>
+					</label>
+				</div>
+
+				<div class="form-check form-switch">
+					<input class="form-check-input" type="checkbox" role="switch" name="problem_manager" id="input-problem_manager" <?= hasUserType($user, 'problem_manager') ? 'checked' : '' ?>>
+					<label class="form-check-label" for="input-problem_manager">
+						<?= UOJLocale::get('user::problem manager') ?>
+					</label>
+				</div>
+
+				<div class="form-check form-switch">
+					<input class="form-check-input" type="checkbox" role="switch" name="contest_judger" id="input-contest_judger" <?= hasUserType($user, 'contest_judger') ? 'checked' : '' ?>>
+					<label class="form-check-label" for="input-contest_judger">
+						<?= UOJLocale::get('user::contest judger') ?>
+					</label>
+				</div>
+
+				<div class="form-check form-switch">
+					<input class="form-check-input" type="checkbox" role="switch" name="contest_only" id="input-contest_only" <?= hasUserType($user, 'contest_only') ? 'checked' : '' ?>>
+					<label class="form-check-label" for="input-contest_only">
+						<?= UOJLocale::get('user::contest only') ?>
+					</label>
+				</div>
+				</fieldset>
+
+				<?php if (isSuperUser($myUser)): ?>
+				<div class="text-center">
+					<button type="submit" id="button-submit-privilege" name="submit-privilege" value="privilege" class="mt-3 btn btn-secondary">更新</button>
+				</div>
+				<?php endif ?>
+			</form>
+			<script>
+				$('#form-privilege').submit(function(e) {
+					$('#result-alert').hide();
+
+					$.post('', {
+						user_type: $('input[name=user_type]:checked').val(),
+						problem_uploader: $('input[name=problem_uploader]').prop('checked') ? 'yes' : 'no',
+						problem_manager: $('input[name=problem_manager]').prop('checked') ? 'yes' : 'no',
+						contest_judger: $('input[name=contest_judger]').prop('checked') ? 'yes' : 'no',
+						contest_only: $('input[name=contest_only]').prop('checked') ? 'yes' : 'no',
+						'submit-privilege': 'privilege',
+					}, function(res) {
+						if (res && res.status === 'success') {
+							$('#result-alert')
+								.html('权限修改成功！')
+								.addClass('alert-success')
+								.removeClass('alert-danger')
+								.show();
+
+							$(window).scrollTop(0);
+						} else {
+							$('#result-alert')
+								.html('权限修改失败。' + (res.message || ''))
+								.removeClass('alert-success')
+								.addClass('alert-danger')
+								.show();
+
+							$(window).scrollTop(0);
+						}
+					});
+
+					return false;
+				});
+			</script>
+		</div>
+	</div>
+<?php endif ?>
+<!-- end right col -->
+</div>
+</div>
+
 <?php echoUOJPageFooter() ?>
--- a/web/app/libs/uoj-form-lib.php
+++ b/web/app/libs/uoj-form-lib.php
@ -159,7 +159,7 @@ EOD;
 		public function addVSelect($name, $options, $label_text, $default_value) {
 			$default_value = htmlspecialchars($default_value);
 			$html = <<<EOD
-<div id="div-$name">
+<div id="div-$name" class="mb-3">
 	<label for="input-$name" class="control-label">$label_text</label>
 	<select class="form-control form-select" id="input-{$name}" name="$name">

@ -225,6 +225,40 @@ EOD;
 EOD;
 			$this->addNoVal($name, $html);
 		}
+		public function addVCheckboxes($name, $options, $label_text, $default_value) {
+			$default_value = htmlspecialchars($default_value);
+			$html = <<<EOD
+<div id="div-$name" class="input-group mb-3">
+	<label class="form-label me-3">$label_text</label>
+EOD;
+			foreach ($options as $opt_name => $opt_label) {
+				$html .= <<<EOD
+	<div class="form-check ms-2">
+EOD;
+				if ($opt_name != $default_value) {
+					$html .= <<<EOD
+		<input class="form-check-input" type="radio" id="input-$name-$opt_name" name="$name" value="$opt_name">
+EOD;
+				} else {
+					$html .= <<<EOD
+		<input class="form-check-input" type="radio" id="input-$name-$opt_name" name="$name" value="$opt_name" checked="checked">
+EOD;
+				}
+				$html .= <<<EOD
+		<label class="form-check-label" for="input-$name-$opt_name">$opt_label</label>
+	</div>
+EOD;
+			}
+			$html .= <<<EOD
+</div>
+EOD;
+			$this->add($name, $html,
+				function($opt) use ($options) {
+					return isset($options[$opt]) ? '' : "无效选项";
+				},
+				null
+			);
+		}
 		public function addCKEditor($name, $label_text, $default_value, $validator_php, $validator_js) {
 			$default_value = htmlspecialchars($default_value);
 			global $REQUIRE_LIB;
@ -534,14 +568,15 @@ EOD;
 				if ($field['validator_js'] != 'always_ok') {
 					echo <<<EOD
 		if (${field['name']}_err) {
-			$('#div-${field['name']}').addClass('has-error');
+			$('#div-${field['name']}').addClass('has-error');  // for bootstrap4
+			$('#input-${field['name']}').addClass('is-invalid');
 			$('#help-${field['name']}').text(${field['name']}_err);
 			ok = false;
 		} else {
-			$('#div-${field['name']}').removeClass('has-error');
+			$('#div-${field['name']}').removeClass('has-error');  // for bootstrap4
+			$('#input-${field['name']}').removeClass('is-invalid');
 			$('#help-${field['name']}').text('');
 		}
-
 EOD;
 				}
 			}
@ -562,11 +597,13 @@ EOD;
 		$(this).find("input[type='file']").each(function() {
 			for (var i = 0; i < this.files.length; i++) {
 				if (this.files[i].size > 10 * 1024 * 1024) {
-					$('#div-' + $(this).attr('name')).addClass('has-error');
+					$('#div-' + $(this).attr('name')).addClass('has-error');  // for bootstrap4
+					$('#input-' + $(this).attr('name')).addClass('is-invalid');
 					$('#help-' + $(this).attr('name')).text('文件大小不能超过10M');
 					ok = false;
 				} else {
-					$('#div-' + $(this).attr('name')).removeClass('has-error');
+					$('#div-' + $(this).attr('name')).removeClass('has-error');  // for bootstrap4
+					$('#input-' + $(this).attr('name')).removeClass('is-invalid');
 					$('#help-' + $(this).attr('name')).text('');
 				}
 			}
--- a/web/app/libs/uoj-utility-lib.php
+++ b/web/app/libs/uoj-utility-lib.php
@ -129,7 +129,7 @@ function blog_name_decode($name) {
 	return $name;
 }

-function addUserType($user, $type) {
+function addUserType(&$user, $type) {
 	$usertype = explode(',', $user['usertype']);
 	if (!in_array($type, $usertype)) {
 		$usertype[] = $type;
@ -137,7 +137,7 @@ function addUserType($user, $type) {
 	$user['usertype'] = implode(',', $usertype);
 	return $user;
 }
-function removeUserType($user, $type) {
+function removeUserType(&$user, $type) {
 	$usertype = explode(',', $user['usertype']);
 	if (in_array($type, $usertype)) {
 		$usertype = array_diff($usertype, array($type));
--- a/web/app/libs/uoj-validate-lib.php
+++ b/web/app/libs/uoj-validate-lib.php
@ -55,3 +55,7 @@ function validateURL($url) {
 function validateString($str) {
 	return preg_match('/[^0-9a-zA-Z]/', $str) !== true;
 }
+
+function validateGitHubUsername($username) {
+	return is_string($username) && preg_match('/^[a-zA-Z0-9_-]{1,20}$/', $username);
+}
--- a/web/app/locale/basic/en.php
+++ b/web/app/locale/basic/en.php
@ -9,6 +9,7 @@ return [
 	'private message' => 'Private Message',
 	'system message' => 'System Message',
 	'system manage' => 'System Manage',
+	'avatar' => 'Avatar',
 	'contests' => 'Contests',
 	'problems' => 'Problems',
 	'problems lists' => 'Problems Lists',
@ -35,11 +36,15 @@ return [
 	'username' => 'Username',
 	'password' => 'Password',
 	'new password' => 'New password',
+	'current password' => 'Current password',
+	'confirm new password' => 'Confirm new password',
 	'verification code' => 'Verification code',
 	'email' => 'Email',
 	'QQ' => 'QQ',
+	'school' => 'School',
 	'sex' => 'Sex',
 	'motto' => 'Motto',
+	'codeforces handle' => 'Codeforces handle',
 	'view all' => 'View all',
 	'hidden' => 'Hidden',
 	'appraisal' => 'Appraisal',
@ -58,6 +63,9 @@ return [
 	'user profile' => 'User profile',
 	'send private message' => 'Send private message',
 	'modify my profile' => 'Modify my profile',
+	'modify his profile' => function($name) {
+		return "Modify $name's profile";
+	},
 	'visit his blog' => function($name) {
 		return "Visit $name's blog";
 	},
@ -68,7 +76,7 @@ return [
 	'please enter your password for authorization' => 'Please enter your password for authorization',
 	'please enter your new profile' => 'Please enter your new profile',
 	'leave it blank if you do not want to change the password' => 'Leave it blank if you do not want to change the password',
-	'change avatar help' => 'Do you want to change your avatar? Please see <a href="/faq">Help</a>',
+	'change avatar help' => 'Do you want to change your avatar? Please see <a class="text-decoration-none" href="/faq">Help</a>',
 	'enter your username' => 'Enter your username',
 	'enter your email' => 'Enter your email',
 	'enter your password' => 'Enter your password',
@ -90,16 +98,6 @@ return [
 	'friend links' => 'Frequently Used Links',
 	'server time' => 'Server Time',
 	'opensource project' => 'OpenSource Project, modified by S2OJ',
-	'admin' => 'Admin',
-	'student' => 'Student',
-	'teacher' => 'Teacher',
-	'problem uploader' => 'Problem Uploader',
-	'problem manager' => 'Problem Manager',
-	'contest judger' => 'Contest Judger',
-	'contest only' => 'Contest Only',
-	'last active at' => 'Last active at',
-	'online' => 'Online',
-	'offline' => 'Offline',
 	'apps' => 'Apps',
 	'image hosting' => 'Image Hosting',
 	'html to markdown' => 'HTML to Markdown',
--- a/web/app/locale/basic/zh-cn.php
+++ b/web/app/locale/basic/zh-cn.php
@ -9,6 +9,7 @@ return [
 	'private message' => '私信',
 	'system message' => '系统消息',
 	'system manage' => '系统管理',
+	'avatar' => '头像',
 	'contests' => '比赛',
 	'problems' => '题库',
 	'problems lists' => '题单',
@ -35,11 +36,15 @@ return [
 	'username' => '用户名',
 	'password' => '密码',
 	'new password' => '新密码',
+	'current password' => '当前密码',
+	'confirm new password' => '确认新密码',
 	'verification code' => '验证码',
 	'email' => 'Email',
 	'QQ' => 'QQ',
+	'school' => '学校',
 	'sex' => '性别',
 	'motto' => '格言',
+	'codeforces handle' => 'Codeforces 用户名',
 	'view all' => '查看全部',
 	'hidden' => '隐藏',
 	'appraisal' => '评价',
@ -58,6 +63,9 @@ return [
 	'user profile' => '用户信息',
 	'send private message' => '发送私信',
 	'modify my profile' => '更改个人信息',
+	'modify his profile' => function($name) {
+		return "更改 $name 的个人信息";
+	},
 	'visit his blog' => function($name) {
 		return "访问 $name 的博客";
 	},
@ -68,7 +76,7 @@ return [
 	'please enter your password for authorization' => '请输入您的密码进行身份验证',
 	'please enter your new profile' => '请输入新的个人信息',
 	'leave it blank if you do not want to change the password' => '如果不想修改密码请留空',
-	'change avatar help' => '想改头像？见<a href="/faq">帮助</a>',
+	'change avatar help' => '想改头像？见 <a class="text-decoration-none" href="/faq">帮助</a>',
 	'enter your username' => '输入用户名',
 	'enter your email' => '输入 Email',
 	'enter your password' => '输入密码',
@ -90,16 +98,6 @@ return [
 	'friend links' => '常用链接',
 	'server time' => '服务器时间',
 	'opensource project' => '开源项目，S2OJ 魔改版',
-	'admin' => '管理员',
-	'student' => '学生',
-	'teacher' => '老师',
-	'problem uploader' => '题目上传者',
-	'problem manager' => '题目管理员',
-	'contest judger' => '比赛评测员',
-	'contest only' => '仅比赛用户',
-	'online' => '在线',
-	'offline' => '离线',
-	'last active at' => '最后活动于',
 	'apps' => '应用',
 	'image hosting' => '图床',
 	'html to markdown' => 'HTML 转 Markdown',
--- a/web/app/locale/user/en.php
+++ b/web/app/locale/user/en.php
@ -0,0 +1,17 @@
+<?php
+return [
+	'belongs to these groups' => 'Belongs to these groups:',
+	'avatar source' => 'Avatar source',
+	'website' => 'Website',
+	'user type' => 'User type',
+	'admin' => 'Admin',
+	'student' => 'Student',
+	'teacher' => 'Teacher',
+	'problem uploader' => 'Problem Uploader',
+	'problem manager' => 'Problem Manager',
+	'contest judger' => 'Contest Judger',
+	'contest only' => 'Contest Only',
+	'last active at' => 'Last active at',
+	'online' => 'Online',
+	'offline' => 'Offline',
+];
--- a/web/app/locale/user/zh-cn.php
+++ b/web/app/locale/user/zh-cn.php
@ -0,0 +1,17 @@
+<?php
+return [
+	'belongs to these groups' => '属于这些小组：',
+	'avatar source' => '头像来源',
+	'website' => '网址',
+	'user type' => '用户类型',
+	'admin' => '管理员',
+	'student' => '学生',
+	'teacher' => '老师',
+	'problem uploader' => '题目上传者',
+	'problem manager' => '题目管理员',
+	'contest judger' => '比赛评测员',
+	'contest only' => '仅比赛用户',
+	'online' => '在线',
+	'offline' => '离线',
+	'last active at' => '最后活动于',
+];
--- a/web/app/models/HTML.php
+++ b/web/app/models/HTML.php
@ -8,6 +8,20 @@ class HTML {
 		return strip_tags($str);
 	}
 	public static function avatar_addr($user, $size) {
+		if ($user['avatar_source'] == 'qq' && $user['qq']) {
+			$s = '5';
+
+			if ($size <= 40) {
+				$s = '2';
+			} elseif ($size <= 100) {
+				$s = '3';
+			} elseif ($size <= 140) {
+				$s = '4';
+			}
+			
+			return "https://q1.qlogo.cn/g?b=qq&nk={$user['qq']}&s=$s";
+		}
+
 		return '//gravatar.loli.net/avatar/' . md5(strtolower(trim($user['email']))) . "?d=mm&amp;s=$size";
 	}

@ -24,14 +38,14 @@ class HTML {
 		return '<input type="hidden" name="_token" value="'.crsf_token().'" />';
 	}
 	public static function div_vinput($name, $type, $label_text, $default_value) {
-		return '<div id="'."div-$name".'">'
-			. '<label for="'."input-$name".'" class="control-label">'.$label_text.'</label>'
+		return '<div id="'."div-$name".'" class="mb-3">'
+			. '<label for="'."input-$name".'" class="control-label form-label">'.$label_text.'</label>'
 			. '<input type="'.$type.'" class="form-control" name="'.$name.'" id="'."input-$name".'" value="'.HTML::escape($default_value).'" />'
-			. '<span class="help-block" id="'."help-$name".'"></span>'
+			. '<span class="help-block invalid-feedback" id="'."help-$name".'"></span>'
 			. '</div>';
 	}
 	public static function div_vtextarea($name, $label_text, $default_value) {
-		return '<div id="'."div-$name".'">'
+		return '<div id="'."div-$name".'" class="mb-3">'
 			. '<label for="'."input-$name".'" class="control-label">'.$label_text.'</label>'
 			. '<textarea class="form-control" name="'.$name.'" id="'."input-$name".'">'.HTML::escape($default_value).'</textarea>'
 			. '<span class="help-block" id="'."help-$name".'"></span>'
--- a/web/app/models/UOJLocale.php
+++ b/web/app/models/UOJLocale.php
@ -2,7 +2,7 @@

 class UOJLocale {
 	public static $supported_locales = array('zh-cn', 'en');
-	public static $supported_modules = array('basic', 'contests', 'problems', 'time');
+	public static $supported_modules = array('basic', 'contests', 'problems', 'time', 'user');
 	public static $data = array();
 	public static $required = array();
 	
--- a/web/app/models/Upgrader.php
+++ b/web/app/models/Upgrader.php
@ -105,7 +105,7 @@ class Upgrader {
 	
 	public static function upgradeToLatest() {
 		$names = array_filter(scandir(self::upgraderRoot()), function ($name) {
-			return is_dir(self::upgraderRoot().'/'.$name) && preg_match('/^\d+_[a-zA-Z_]+$/', $name);
+			return is_dir(self::upgraderRoot().'/'.$name) && preg_match('/^\d+_[0-9a-zA-Z_]+$/', $name);
 		});
 		
 		natsort($names);
--- a/web/app/route.php
+++ b/web/app/route.php
@ -72,7 +72,7 @@ Route::group([
 		Route::any('/reset-password', '/reset_pw.php');

 		Route::any('/user/{username}', '/user_info.php');
-		Route::any('/user/{username}/edit', '/user_info_edit.php');
+		Route::any('/user/{username}/edit(?:/{tab})?', '/user_info_edit.php');
 		Route::any('/user_msg', '/user_msg.php');
 		Route::any('/user/{username}/system_msg', '/user_system_msg.php');

--- a/web/app/upgrade/6_user_info_v2/README.md
+++ b/web/app/upgrade/6_user_info_v2/README.md
@ -0,0 +1 @@
+ref: https://github.com/renbaoshuo/S2OJ/pull/6
--- a/web/app/upgrade/6_user_info_v2/down.sql
+++ b/web/app/upgrade/6_user_info_v2/down.sql
@ -0,0 +1,4 @@
+ALTER TABLE `user_info` DROP COLUMN IF EXISTS `codeforces_handle`;
+ALTER TABLE `user_info` DROP COLUMN IF EXISTS `github`;
+ALTER TABLE `user_info` DROP COLUMN IF EXISTS `website`;
+ALTER TABLE `user_info` DROP COLUMN IF EXISTS `avatar_source`;
--- a/web/app/upgrade/6_user_info_v2/up.sql
+++ b/web/app/upgrade/6_user_info_v2/up.sql
@ -0,0 +1,4 @@
+ALTER TABLE `user_info` ADD COLUMN `codeforces_handle` varchar(20) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '';
+ALTER TABLE `user_info` ADD COLUMN `github` varchar(20) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '';
+ALTER TABLE `user_info` ADD COLUMN `website` varchar(50) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '';
+ALTER TABLE `user_info` ADD COLUMN `avatar_source` varchar(10) COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT 'gravatar';
--- a/web/app/views/page-header.php
+++ b/web/app/views/page-header.php
@ -219,12 +219,6 @@
 		<?= HTML::js_src('/js/ckeditor/ckeditor.js') ?>
 		<?php endif ?>

-		<?php if (isset($REQUIRE_LIB['github_contribution_graph'])): ?>
-			<!-- github contribution graph -->
-			<?= HTML::css_link('/css/github_contribution_graph.css') ?>
-			<?= HTML::js_src('/js/jquery.github_contribution_graph.js') ?>
-		<?php endif ?>
-
 		<?php if (isset($REQUIRE_LIB['calendar_heatmap'])): ?>
 			<!-- jquery-calendar-heatmap -->
 			<?= HTML::css_link('/css/jquery.calendar_heatmap.min.css') ?>
--- a/web/app/views/user-info.php
+++ b/web/app/views/user-info.php
@ -68,7 +68,7 @@ function fTime($time, $gran = -1) {
 			<div class="card-body">
 				<?php if ($user['usergroup'] == 'S'): ?>
 				<span class="badge bg-secondary">
-					<?= UOJLocale::get('admin') ?>
+					<?= UOJLocale::get('user::admin') ?>
 				</span>
 				<?php endif ?>
 				<h3>
@ -102,35 +102,107 @@ function fTime($time, $gran = -1) {
 				<li class="list-group-item">
 					<i class="bi bi-key-fill me-1"></i>
 					<?php foreach (explode(',', $user['usertype']) as $idx => $type): ?>
-						<?php if ($idx): ?>, <?php endif ?>
-						<?php if ($type == 'teacher'): ?>
-							<?= UOJLocale::get('teacher') ?>
-						<?php elseif ($type == 'student'): ?>
-							<?= UOJLocale::get('student') ?>
-						<?php elseif ($type == 'problem_uploader'): ?>
-							<?= UOJLocale::get('problem uploader') ?>
-						<?php elseif ($type == 'problem_manager'): ?>
-							<?= UOJLocale::get('problem manager') ?>
-						<?php elseif ($type == 'contest_judger'): ?>
-							<?= UOJLocale::get('contest judger') ?>
-						<?php elseif ($type == 'contest_only'): ?>
-							<?= UOJLocale::get('contest only') ?>
-						<?php else: ?>
-							<?= HTML::escape($type) ?>
-						<?php endif ?>
+						<?php if ($idx): ?>,<?php endif ?>
+						<span><?= UOJLocale::get('user::' . str_replace('_', ' ', $type)) ?: HTML::escape($type) ?></span>
 					<?php endforeach ?>
 				</li>
 				<?php endif ?>
+				<?php if ($user['email']): ?>
 				<li class="list-group-item">
 					<i class="bi bi-envelope-fill me-1"></i>
 					<a class="text-decoration-none text-body" href="mailto:<?= HTML::escape($user['email']) ?>">
 						<?= HTML::escape($user['email']) ?>
 					</a>
 				</li>
+				<?php endif ?>
 				<?php if ($user['qq']): ?>
 				<li class="list-group-item">
 					<i class="align-text-bottom me-1"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" width="16" height="16"><path d="M433.754 420.445c-11.526 1.393-44.86-52.741-44.86-52.741 0 31.345-16.136 72.247-51.051 101.786 16.842 5.192 54.843 19.167 45.803 34.421-7.316 12.343-125.51 7.881-159.632 4.037-34.122 3.844-152.316 8.306-159.632-4.037-9.045-15.25 28.918-29.214 45.783-34.415-34.92-29.539-51.059-70.445-51.059-101.792 0 0-33.334 54.134-44.859 52.741-5.37-.65-12.424-29.644 9.347-99.704 10.261-33.024 21.995-60.478 40.144-105.779C60.683 98.063 108.982.006 224 0c113.737.006 163.156 96.133 160.264 214.963 18.118 45.223 29.912 72.85 40.144 105.778 21.768 70.06 14.716 99.053 9.346 99.704z" fill="currentColor"/></svg></i>
-					<?= HTML::escape($user['qq']) ?>
+					<a class="text-decoration-none text-body" href="http://wpa.qq.com/msgrd?v=3&uin=<?= HTML::escape($user['qq']) ?>&site=qq&menu=yes" target="_blank">
+						<?= HTML::escape($user['qq']) ?>
+					</a>
+				</li>
+				<?php endif ?>
+				<?php if ($user['github']): ?>
+				<li class="list-group-item">
+					<i class="bi bi-github me-1"></i>
+					<a class="text-decoration-none text-body" href="https://github.com/<?= HTML::escape($user['github']) ?>" target="_blank">
+						<?= HTML::escape($user['github']) ?>
+					</a>
+				</li>
+				<?php endif ?>
+				<?php if ($user['codeforces_handle']): ?>
+				<li class="list-group-item d-flex align-items-center">
+					<div class="flex-shrink-0"><i class="align-text-bottom me-1"><svg xmlns="http://www.w3.org/2000/svg" role="img" viewBox="0 0 24 24" width="16" height="16"><title>Codeforces</title><path d="M4.5 7.5C5.328 7.5 6 8.172 6 9v10.5c0 .828-.672 1.5-1.5 1.5h-3C.673 21 0 20.328 0 19.5V9c0-.828.673-1.5 1.5-1.5h3zm9-4.5c.828 0 1.5.672 1.5 1.5v15c0 .828-.672 1.5-1.5 1.5h-3c-.827 0-1.5-.672-1.5-1.5v-15c0-.828.673-1.5 1.5-1.5h3zm9 7.5c.828 0 1.5.672 1.5 1.5v7.5c0 .828-.672 1.5-1.5 1.5h-3c-.828 0-1.5-.672-1.5-1.5V12c0-.828.672-1.5 1.5-1.5h3z"/></svg></i>&nbsp;</div>
+					<div>
+						<a id="codeforces-profile-link" class="text-decoration-none" href="https://codeforces.com/profile/<?= $user['codeforces_handle'] ?>" target="_blank" style="color: rgba(var(--bs-body-color-rgb), var(--bs-text-opacity)) !important;">
+							<?= $user['codeforces_handle'] ?>
+						</a>
+						<div id="codeforces-rating" style="font-family: verdana, arial, sans-serif; line-height: 1.2em; text-transform: capitalize;"></div>
+					</div>
+					<script>
+						function getRatingColor(rating) {
+							if (rating >= 2400) return 'ff0000';
+							if (rating >= 2100) return 'ff8c00';
+							if (rating >= 1900) return 'aa00aa';
+							if (rating >= 1600) return '0000ff';
+							if (rating >= 1400) return '03a89e';
+							if (rating >= 1200) return '008000';
+							return '808080';
+						}
+
+						function showCodeforcesRating(handle, rating, text) {
+							var color = '#' + getRatingColor(rating);
+							
+							$('#codeforces-profile-link')
+								.html(rating >= 3000 ? ('<span style="color:#000!important">' + handle[0] + '</span>' + handle.substring(1)) : handle)
+								.css('color', color)
+								.css('font-family', 'Helvetica Neue, Helvetica, Arial, sans-serif')
+								.css('font-size', '1.1em')
+								.css('font-weight', 'bold');
+							$('#codeforces-rating')
+								.html(text + ', ' + rating)
+								.css('color', color);
+						}
+
+						function processCodeforcesInfoData(data) {
+							if (!data || data.status !== 'OK' || !data.result || !data.result.length) return;
+
+							var result = data.result[0];
+
+							if (result.rating) {
+								showCodeforcesRating(result.handle, result.rating, result.rank);
+							} else {
+								showCodeforcesRating(result.handle, 0, 'Unrated');
+							}
+						}
+
+						$(document).ready(function() {
+							if (('Promise' in window) && ('any' in Promise)) {
+								// race
+								Promise.any([
+									fetch('https://codeforces.com/api/user.info?handles=<?= $user['codeforces_handle'] ?>'),
+									fetch('https://codeforc.es/api/user.info?handles=<?= $user['codeforces_handle'] ?>')
+								]).then(function(res) {
+									return res.json();
+								}).then(function(data) {
+									processCodeforcesInfoData(data);
+								});
+							} else {
+								$.get('https://codeforces.com/api/user.info?handles=<?= $user['codeforces_handle'] ?>', function(data) {
+									processCodeforcesInfoData(data);
+								});
+							}
+						});
+					</script>
+				</li>
+				<?php endif ?>
+				<?php if ($user['website']): ?>
+				<li class="list-group-item">
+					<i class="bi bi-link-45deg me-1"></i>
+					<a class="text-decoration-none text-body text-break" href="<?= HTML::escape($user['website']) ?>" target="_blank">
+						<?= HTML::escape($user['website']) ?>
+					</a>
 				</li>
 				<?php endif ?>
 			</ul>
@ -139,16 +211,16 @@ function fTime($time, $gran = -1) {
 				<?php if (time() - $last_visited < 60 * 15): // 15 mins ?>
 					<span class="text-success">
 						<i class="bi bi-circle-fill me-1"></i>
-						<?= UOJLocale::get('online') ?>
+						<?= UOJLocale::get('user::online') ?>
 					</span>
 				<?php else: ?>
 					<span class="text-danger">
 						<i class="bi bi-circle-fill me-1"></i>
-						<?= UOJLocale::get('offline') ?>
+						<?= UOJLocale::get('user::offline') ?>
 					</span>
 					<?php if ($last_visited > 0): ?>
 						<span class="text-muted small">
-							, <?= UOJLocale::get('last active at') ?>
+							, <?= UOJLocale::get('user::last active at') ?>
 							<?= fTime($last_visited, 0) ?>
 						</span>
 					<?php endif ?>
@ -182,10 +254,34 @@ function fTime($time, $gran = -1) {

 			<a class="nav-link" href="<?= HTML::blog_url($user['username'], '/self_reviews') ?>">
 				<i class="bi bi-arrow-right-square"></i>
-				赛后总结
+				<?= UOJLocale::get('contests::contest self reviews') ?>
 			</a>
 		</nav>
-		<div class="card card-default mb-2">
+		
+		<?php if (!isset($is_blog_aboutme)): ?>
+		<?php $groups = queryGroupsOfUser($user['username']) ?>
+		<div class="card mb-2">
+		<div class="card-body">
+			<h4 class="card-title h5">
+				<?= UOJLocale::get('user::belongs to these groups') ?>
+			</h4>
+			<ul class="mb-0">
+				<?php foreach ($groups as $group): ?>
+				<li>
+					<a class="text-decoration-none" href="<?= HTML::url('/group/'.$group['id']) ?>">
+						<?= $group['title'] ?>
+					</a>
+				</li>
+				<?php endforeach ?>
+				<?php if (!count($groups)): ?>
+				<?= UOJLocale::get('none') ?>
+				<?php endif ?>
+			</ul>
+		</div>
+		</div>
+		<?php endif ?>
+
+		<div class="card mb-2">
 			<div class="card-body">
 <?php
 $_result = DB::query("select date_format(submit_time, '%Y-%m-%d'), problem_id from submissions where submitter = '{$user['username']}' and score = 100 and date(submit_time) between date_sub(curdate(), interval 1 year) and curdate()");
@ -214,8 +310,8 @@ while ($row = DB::fetch($_result)) {
 				</script>
 			</div>
 		</div>
-		<div class="card card-default mb-2">
-			<div class="card-body">
+		<div class="card mb-2">
+		<div class="card-body">
 			<?php $ac_problems = DB::selectAll("select a.problem_id as problem_id, b.title as title from best_ac_submissions a inner join problems b on a.problem_id = b.id where submitter = '{$user['username']}' order by id") ?>
 			<h4 class="card-title h5">
 				<?= UOJLocale::get('accepted problems').': '.UOJLocale::get('n problems in total', count($ac_problems))?>
@ -233,7 +329,7 @@ while ($row = DB::fetch($_result)) {
 					<?= UOJLocale::get('none'); ?>
 				<?php endif ?>
 			</ul>
-			</div>
+		</div>
 		</div>

 		<?php if (isSuperUser($myUser)): ?>
--- a/web/css/github_contribution_graph.css
+++ b/web/css/github_contribution_graph.css
@ -1,24 +0,0 @@
-.svg-tip {
-  padding: 10px;
-  background: rgba(0,0,0,0.8);
-  color: #bbb;
-  font-size: 12px;
-  position: absolute;
-  z-index: 99999;
-  text-align: center;
-  border-radius: 3px;
-}
-
-.svg-tip:after {
-  -moz-box-sizing: border-box;
-  box-sizing: border-box;
-  position: absolute;
-  left: 50%;
-  height: 5px;
-  width: 5px;
-  bottom: -10px;
-  margin: 0 0 0 -5px;
-  content: " ";
-  border: 5px solid transparent;
-  border-top-color: rgba(0,0,0,0.8);
-}
--- a/web/js/jquery.github_contribution_graph.js
+++ b/web/js/jquery.github_contribution_graph.js
@ -1,308 +0,0 @@
-/**
- * Jquery plugin to render like contribution graph on Github.
- *
- * @see       {@link https://github.com/bachvtuan/Github-Contribution-Graph}
- * @author    bachvtuan@gmail.com
- * @license   MIT License
- * @since     0.1.0
- */
-
-//Format string
-if (!String.prototype.formatString) {
-	String.prototype.formatString = function () {
-		var args = arguments;
-		return this.replace(/{(\d+)}/g, function (match, number) {
-			return typeof args[number] != "undefined" ? args[number] : match;
-		});
-	};
-}
-
-(function ($) {
-	$.fn.github_graph = function (options) {
-		//If the number less than 10, add Zero before it
-		var prettyNumber = function (number) {
-			return number < 10
-				? "0" + number.toString()
-				: (number = number.toString());
-		};
-
-		/*
-          Count the number on each day and store the object
-          */
-		var processListTimeStamp = function (list_timestamp) {
-			//The result will store into this varriable
-			obj_timestamp = {};
-			for (var i = 0; i < list_timestamp.length; i++) {
-				var _type = typeof list_timestamp[i];
-				var _d =
-					_type == "number"
-						? new Date(list_timestamp[i])
-						: new Date(list_timestamp[i].timestamp);
-
-				var display_date = getDisplayDate(_d);
-				var increase = _type == "number" ? 1 : list_timestamp[i].count;
-				if (!obj_timestamp[display_date]) {
-					obj_timestamp[display_date] = increase;
-				} else {
-					obj_timestamp[display_date] += increase;
-				}
-			}
-		};
-
-		var getDisplayDate = function (date_obj) {
-			var pretty_month = prettyNumber(date_obj.getMonth() + 1);
-			var pretty_date = prettyNumber(date_obj.getDate());
-			return "{0}-{1}-{2}".formatString(
-				date_obj.getFullYear(),
-				pretty_month,
-				pretty_date
-			);
-		};
-
-		var getCount = function (display_date) {
-			if (obj_timestamp[display_date]) {
-				return obj_timestamp[display_date];
-			}
-			return 0;
-		};
-
-		var getColor = function (count) {
-			if (typeof settings.colors[0] == "string") {
-				return count > settings.colors.length - 1
-					? settings.colors[settings.colors.length - 1]
-					: settings.colors[count];
-			}
-
-			const isLargeNumber = (element) => element.count > count;
-			i = settings.colors.findIndex(isLargeNumber);
-			return i == -1
-				? settings.colors[settings.colors.length - 1].color
-				: settings.colors[i - 1].color;
-		};
-
-		var start = function () {
-			processListTimeStamp(settings.data);
-			var wrap_chart = _this;
-
-			settings.colors_length = settings.colors.length;
-			var radius = settings.border.radius;
-			var hoverColor = settings.border.hover_color;
-			var clickCallback = settings.click;
-
-			var start_date;
-			if (settings.start_date == null) {
-				// if set null, will get from 365 days from now
-				start_date = new Date();
-				start_date.setMonth(start_date.getMonth() - 12);
-				start_date.setDate(start_date.getDate() + 1);
-			} else {
-				// formats:
-				// - YYYY-MM-DD
-				// - YYYY/MM/DD
-				start_date = new Date(settings.start_date);
-			}
-
-			end_date = new Date(start_date);
-			end_date.setMonth(end_date.getMonth() + 12);
-			end_date.setDate(end_date.getDate() - 1);
-
-			var loop_html = "";
-			var step = 13;
-
-			var month_position = [];
-			month_position.push({ month_index: start_date.getMonth(), x: 0 });
-			var using_month = start_date.getMonth();
-
-			var week = 0;
-			var g_x = week * step;
-			var item_html =
-				'<g transform="translate(' + g_x.toString() + ', 0)">';
-
-			for (
-				;
-				start_date.getTime() <= end_date.getTime();
-				start_date.setDate(start_date.getDate() + 1)
-			) {
-				if (start_date.getDay() == 0) {
-					var item_html =
-						'<g transform="translate(' + g_x.toString() + ', 0)">';
-				}
-
-				var month_in_day = start_date.getMonth();
-				var data_date = getDisplayDate(start_date);
-
-				if (start_date.getDay() == 0 && month_in_day != using_month) {
-					using_month = month_in_day;
-					month_position.push({ month_index: using_month, x: g_x });
-				}
-				var count = getCount(data_date);
-				var color = getColor(count);
-
-				var y = start_date.getDay() * step;
-				item_html +=
-					'<rect class="day" width="11" height="11" y="' +
-					y +
-					'" fill="' +
-					color +
-					'" data-count="' +
-					count +
-					'" data-date="' +
-					data_date +
-					'" rx="' +
-					radius +
-					'" ry="' +
-					radius +
-					'"/>';
-
-				if (start_date.getDay() == 6) {
-					item_html += "</g>";
-					loop_html += item_html;
-
-					item_html = null;
-
-					week++;
-					g_x = week * step;
-				}
-			}
-
-			if (item_html != null) {
-				item_html += "</g>";
-				loop_html += item_html;
-			}
-
-			//trick
-			if (month_position[1].x - month_position[0].x < 40) {
-				//Fix ugly graph by remove first item
-				month_position.shift(0);
-			}
-
-			for (var i = 0; i < month_position.length; i++) {
-				var item = month_position[i];
-				var month_name = settings.month_names[item.month_index];
-				loop_html +=
-					'<text x="' +
-					item.x +
-					'" y="-5" class="month">' +
-					month_name +
-					"</text>";
-			}
-
-			//Add Monday, Wenesday, Friday label
-			loop_html +=
-				'<text text-anchor="middle" class="wday" dx="-10" dy="22">{0}</text>'.formatString(
-					settings.h_days[0]
-				) +
-				'<text text-anchor="middle" class="wday" dx="-10" dy="48">{0}</text>'.formatString(
-					settings.h_days[1]
-				) +
-				'<text text-anchor="middle" class="wday" dx="-10" dy="74">{0}</text>'.formatString(
-					settings.h_days[2]
-				);
-
-			//Fixed size for now with width= 721 and height = 110
-			var wire_html =
-				'<svg width="721" height="110" viewBox="0 0 721 110"  class="js-calendar-graph-svg">' +
-				'<g transform="translate(20, 20)">' +
-				loop_html +
-				"</g>" +
-				"</svg>";
-
-			wrap_chart.html(wire_html);
-
-			$(_this)
-				.find(".day")
-				.on("click", function () {
-					if (clickCallback) {
-						clickCallback(
-							$(this).attr("data-date"),
-							parseInt($(this).attr("data-count"))
-						);
-					}
-				});
-
-			$(_this)
-				.find(".day")
-				.hover(
-					function () {
-						$(this).attr(
-							"style",
-							"stroke-width: 1; stroke: " + hoverColor
-						);
-					},
-					function () {
-						$(this).attr("style", "stroke-width:0");
-					}
-				);
-
-			_this.find("rect").on("mouseenter", mouseEnter);
-			_this.find("rect").on("mouseleave", mouseLeave);
-			appendTooltip();
-		};
-
-		var mouseLeave = function (evt) {
-			$(".svg-tip").hide();
-		};
-
-		//handle event mouseenter when enter into rect element
-		var mouseEnter = function (evt) {
-			var target_offset = $(evt.target).offset();
-			var count = $(evt.target).attr("data-count");
-			var date = $(evt.target).attr("data-date");
-
-			var count_text = count > 1 ? settings.texts[1] : settings.texts[0];
-			var text = "{0} {1} on {2}".formatString(count, count_text, date);
-
-			var svg_tip = $(".svg-tip").show();
-			svg_tip.html(text);
-			var svg_width = Math.round(svg_tip.width() / 2 + 5);
-			var svg_height = svg_tip.height() * 2 + 10;
-
-			svg_tip.css({ top: target_offset.top - svg_height - 5 });
-			svg_tip.css({ left: target_offset.left - svg_width });
-		};
-		//Append tooltip to display when mouse enter the rect element
-		//Default is display:none
-		var appendTooltip = function () {
-			if ($(".svg-tip").length == 0) {
-				$("body").append(
-					'<div class="svg-tip svg-tip-one-line" style="display:none" ></div>'
-				);
-			}
-		};
-
-		var settings = $.extend(
-			{
-				colors: ["#eeeeee", "#d6e685", "#8cc665", "#44a340", "#44a340"],
-				border: {
-					radius: 2,
-					hover_color: "#999",
-				},
-				click: null,
-				start_date: null,
-				//List of name months
-				month_names: [
-					"Jan",
-					"Feb",
-					"Mar",
-					"Apr",
-					"May",
-					"Jun",
-					"Jul",
-					"Aug",
-					"Sep",
-					"Oct",
-					"Nov",
-					"Dec",
-				],
-				h_days: ["M", "W", "F"],
-				//Default is empty, it can be overrided
-				data: [],
-			},
-			options
-		);
-
-		var _this = $(this);
-
-		start();
-	};
-})(jQuery);
				`@ -0,0 +1 @@`
				`ref: https://github.com/renbaoshuo/S2OJ/pull/6`