diff --git a/static/style.css b/static/style.css
index f894d95..5f076c6 100644
--- a/static/style.css
+++ b/static/style.css
@@ -51,10 +51,6 @@ a.black-link:hover {
   font-family: 'Fira Mono', 'Noto Sans CJK SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft Yahei', monospace;
 }
 
-.main.container {
-    margin-top: 5.5em;
-}
-
 .padding {
     padding-left: 1em;
     padding-right: 1em;
@@ -272,3 +268,35 @@ code {
   animation: spinner-icon-rotate 3s linear infinite;
   display: block;
 }
+
+::-webkit-scrollbar {
+  -webkit-appearance: none;
+  width: 10px;
+  height: 10px;
+}
+
+::-webkit-scrollbar-track {
+  background: rgba(0, 0, 0, 0.1);
+  border-radius: 0px;
+}
+
+::-webkit-scrollbar-thumb {
+  cursor: pointer;
+  border-radius: 5px;
+  background: rgba(0, 0, 0, 0.25);
+  -webkit-transition: color 0.2s ease;
+  transition: color 0.2s ease;
+}
+
+::-webkit-scrollbar-thumb:window-inactive {
+  background: rgba(0, 0, 0, 0.15);
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: rgba(128, 135, 139, 0.8);
+}
+
+.ui.top.attached.block.header i.icon {
+  font-size: 1em;
+  vertical-align: initial;
+}
diff --git a/views/admin_config.ejs b/views/admin_config.ejs
index 826538c..2c30f6b 100644
--- a/views/admin_config.ejs
+++ b/views/admin_config.ejs
@@ -48,7 +48,7 @@ for (let item in items) {
 }
 %>
 <div style="text-align: center; ">
-  <button class="ui blue button">提交</button>
+  <button class="ui blue labeled icon button"><i class="ui edit icon"></i>提交</button>
 </div>
 </form>
 <% include admin_footer %>
diff --git a/views/admin_info.ejs b/views/admin_info.ejs
index 3dc90d5..9e0204c 100644
--- a/views/admin_info.ejs
+++ b/views/admin_info.ejs
@@ -17,6 +17,8 @@
 }
 
 .statistic .label {
+  padding-top: 15px;
+  font-size: 1.4em !important;
   font-weight: normal !important;
 }
 </style>
diff --git a/views/admin_links.ejs b/views/admin_links.ejs
index 55f4bae..4fb8e51 100644
--- a/views/admin_links.ejs
+++ b/views/admin_links.ejs
@@ -54,7 +54,7 @@ this.adminPage = 'links';
       <input type="text" id="add_url">
     </div>
   </div>
-  <div style="text-align: center; "><div id="add_button" class="ui submit button">添加</a></div>
+  <div style="text-align: center; "><div id="add_button" class="ui submit blue labeled icon button"><i class="ui add icon"></i>添加</a></div>
 </div>
 
 <form method="post" id="submit_form">
diff --git a/views/admin_other.ejs b/views/admin_other.ejs
index e422dd0..6ee8705 100644
--- a/views/admin_other.ejs
+++ b/views/admin_other.ejs
@@ -1,8 +1,8 @@
 <% this.adminPage = 'other'; %>
 <% include admin_header %>
 <form method="post" class="ui form">
-  <p><button class="ui blue button" name="type" value="reset_count" type="submit">重新计算提交及 AC 数</button></p>
-  <p><button class="ui blue button" name="type" value="reset_discussion" type="submit">重新计算讨论版回复数和回复时间</button></p>
-  <p><button class="ui blue button" name="type" value="reset_codelen" type="submit">重新计算提交代码长度</button></p>
+  <p><button class="ui blue labeled icon button" name="type" value="reset_count" type="submit"><i class="ui repeat icon"></i>重新计算提交及 AC 数</button></p>
+  <p><button class="ui blue labeled icon button" name="type" value="reset_discussion" type="submit"><i class="ui repeat icon"></i>重新计算讨论版回复数和回复时间</button></p>
+  <p><button class="ui blue labeled icon button" name="type" value="reset_codelen" type="submit"><i class="ui repeat icon"></i>重新计算提交代码长度</button></p>
 </form>
 <% include admin_footer %>
diff --git a/views/admin_privilege.ejs b/views/admin_privilege.ejs
index e67f27c..6f47910 100644
--- a/views/admin_privilege.ejs
+++ b/views/admin_privilege.ejs
@@ -37,7 +37,7 @@ let privileges = {
 </table>
 
 <div style="text-align: center; ">
-  <button class="ui button" onclick="submit()">提交</button>
+  <button class="ui blue labeled icon button" onclick="submit()"><i class="ui edit icon"></i>提交</button>
 </div>
 
 <form method="post" id="submit_form">
diff --git a/views/admin_rating.ejs b/views/admin_rating.ejs
index cca111d..06273f9 100644
--- a/views/admin_rating.ejs
+++ b/views/admin_rating.ejs
@@ -14,7 +14,7 @@
       </div>
     </div>
   </div>
-  <button class="ui blue button" name="type" value="doit" type="submit">计算此比赛的积分</button>
+  <button class="ui blue labeled icon button" name="type" value="doit" type="submit"><i class="ui calculator icon"></i>计算此比赛的积分</button>
 </form>
 
 注意：如果删除一个比赛的积分，则该比赛之上的所有比赛也将被删除，积分将还原至该比赛之前的状态！
diff --git a/views/admin_raw.ejs b/views/admin_raw.ejs
index 4ae461a..24b92e3 100644
--- a/views/admin_raw.ejs
+++ b/views/admin_raw.ejs
@@ -28,7 +28,7 @@ editor.getSession().on("change", function () {
 
 
 <div style="text-align: center; ">
-  <button class="ui blue button">提交</button>
+  <button class="ui blue labeled icon button"><i class="ui edit icon"></i>提交</button>
 </div>
 </form>
 <% include admin_footer %>
diff --git a/views/admin_rejudge.ejs b/views/admin_rejudge.ejs
index 10acd21..f300906 100644
--- a/views/admin_rejudge.ejs
+++ b/views/admin_rejudge.ejs
@@ -71,15 +71,15 @@
   </div>
 
   <div style="text-align: center; ">
-    <button class="ui button" name="type" value="query">查询</button>
+    <button class="ui labeled icon button" name="type" value="query"><i class="ui search icon"></i>查询</button>
     <% if (form.type === 'rejudge') { %>
-      <button class="ui blue disabled button" name="type" value="rejudge">已重测 <%= count %> 条记录</button>
+      <button class="ui blue disabled labeled icon button" name="type" value="rejudge"><i class="ui checkmark icon"></i>已重测 <%= count %> 条记录</button>
     <% } else if (count !== null) { %>
-      <a onclick="$('#modal-rejudge').modal('show');" class="ui blue<% if (count === 0) { %> disabled<% } %> button"><% if (count === 0) { %>没有符合条件的记录<% } else { %>重测 <%= count %> 条记录<% } %></a>
+      <a onclick="$('#modal-rejudge').modal('show');" class="ui blue<% if (count === 0) { %> disabled<% } %> labeled icon button"><i class="ui repeat icon"></i><% if (count === 0) { %>没有符合条件的记录<% } else { %>重测 <%= count %> 条记录<% } %></a>
       <button id="submit_rejudge" name="type" value="rejudge" style="display: none; "></button>
       <div class="ui basic modal" id="modal-rejudge">
         <div class="ui icon header">
-          <i class="refresh icon"></i>
+          <i class="retweet icon"></i>
           <p style="margin-top: 15px; ">重新评测</p>
         </div>
         <div class="content" style="text-align: center; ">
diff --git a/views/article.ejs b/views/article.ejs
index f76bd6d..92b955c 100644
--- a/views/article.ejs
+++ b/views/article.ejs
@@ -20,12 +20,12 @@
   <h1><%= article.title %></h1>
  	<p style="margin-bottom: -5px; ">
 	<img style="vertical-align: middle; margin-bottom: 2px; margin-right: 2px; " src="<%= syzoj.utils.gravatar(article.user.email, 34) %>" width="17" height="17">
-	<b style="margin-right: 30px; "><!--i class="user icon"></i--><a class="black-link" href="<%= syzoj.utils.makeUrl(['user', article.user_id]) %>"><%= article.user.username %></a><% if (article.user.nameplate) { %><%- article.user.nameplate %><% } %></b>
+	<b style="margin-right: 30px; "><a class="black-link" href="<%= syzoj.utils.makeUrl(['user', article.user_id]) %>"><%= article.user.username %></a><% if (article.user.nameplate) { %><%- article.user.nameplate %><% } %></b>
 	<b style="margin-right: 30px; "><i class="calendar icon"></i> <%= syzoj.utils.formatDate(article.public_time) %></b>
 	<% if (article.public_time !== article.update_time) { %><b style="margin-right: 30px; "><i class="edit icon"></i> <%= syzoj.utils.formatDate(article.update_time) %></b><% } %>
         <% if (article.allowedEdit) { %>
-        <a style="margin-top: -4px; " class="ui mini right floated button" href="<%= syzoj.utils.makeUrl(['article', article.id, 'edit']) %>">编辑文章</a>
-        <a style="margin-top: -4px; " class="ui mini red right floated button" onclick="$('#modal-delete').modal('show')">删除文章</a>
+        <a style="margin-top: -4px; " class="ui mini right floated labeled icon button" href="<%= syzoj.utils.makeUrl(['article', article.id, 'edit']) %>"><i class="ui edit icon"></i>编辑</a>
+        <a style="margin-top: -4px; margin-right: 3px; " class="ui mini red right floated labeled icon button" onclick="$('#modal-delete').modal('show')"><i class="ui trash icon"></i>删除</a>
         <div class="ui basic modal right floated" id="modal-delete">
           <div class="ui icon header">
             <i class="trash icon"></i>
@@ -99,9 +99,11 @@
       <div class="field">
         <textarea name="comment"></textarea>
       </div>
+      <div style="text-align: center; ">
       <button type="submit" class="ui labeled submit icon button">
         <i class="icon edit"></i> 回复
       </button>
+      </div>
    </form>
    <% } %>
 </div>
diff --git a/views/article_edit.ejs b/views/article_edit.ejs
index feb4350..7c05ae8 100644
--- a/views/article_edit.ejs
+++ b/views/article_edit.ejs
@@ -15,6 +15,7 @@
       <div class="field">
         <label for="title">标题</label>
         <input type="text" id="title" name="title" value="<%= article.title %>">
+        <div style="margin-top: 15px; "></div>
         <label for="content">内容</label>
         <textarea rows="15" id="content" name="content" class="markdown-edit"><%= article.content %></textarea>
         <% if (user && user.is_admin) { %>
@@ -30,9 +31,11 @@
       <div class="ui header" id="pv-title"></div>
       <div id="pv-content" class="font-content"></div>
     </div>
+    <div style="text-align: center; ">
     <button type="submit" class="ui labeled submit icon button">
       <i class="icon edit"></i> 提交
     </button>
+    </div>
   </form>
 </div>
 
diff --git a/views/contest_edit.ejs b/views/contest_edit.ejs
index d79089f..4fefb6b 100644
--- a/views/contest_edit.ejs
+++ b/views/contest_edit.ejs
@@ -77,7 +77,7 @@
                 <label><span style="visibility: hidden; ">　</span></label>
               </div>
             </div>
-            <button type="submit" class="ui button">提交</button>
+            <div style="text-align: center; "><button type="submit" class="ui labeled icon blue button"><i class="ui edit icon"></i>提交</button></div>
         </form>
 <script>
 $(function () {
diff --git a/views/contest_ranklist.ejs b/views/contest_ranklist.ejs
index 40458dc..1870902 100644
--- a/views/contest_ranklist.ejs
+++ b/views/contest_ranklist.ejs
@@ -154,5 +154,14 @@
             <% } %>
             </tbody>
         </table>
+<% if (!ranklist.length) { %>
+<div style="background-color: #fff; height: 18px; margin-top: -18px; "></div>
+<div class="ui placeholder segment" style="margin-top: 0px; ">
+  <div class="ui icon header">
+    <i class="ui file icon" style="margin-bottom: 20px; "></i>
+    暂无选手提交
+  </div>
+</div>
+<% } %>
 </div>
 <% include footer %>
diff --git a/views/contests.ejs b/views/contests.ejs
index 74d6062..8782048 100644
--- a/views/contests.ejs
+++ b/views/contests.ejs
@@ -1,14 +1,16 @@
 <% this.title = '比赛' %>
 <% include header %>
 <div class="padding">
+    <% if (contests.length) { %>
     <% if (user && user.is_admin) { %>
-    <div class="ui grid">
-      <div class="row">
-        <div class="column">
-          <a href="<%= syzoj.utils.makeUrl(['contest', 0, 'edit']) %>" class="ui mini right floated button">添加比赛</a>
-        </div>
-      </div>
-    </div>
+    <form class="ui mini form">
+      <div class="inline fields" style="margin-bottom: 25px; white-space: nowrap; ">
+        <a href="<%= syzoj.utils.makeUrl(['contest', 0, 'edit']) %>" class="ui mini labeled icon right floated button" style="margin-left: auto; ">
+          <i class="ui icon write"></i>
+          添加比赛
+        </a>
+     </div>
+    </form>
     <% } %>
     <table class="ui very basic center aligned table">
       <thead>
@@ -42,6 +44,20 @@
         <% } %>
       </tbody>
     </table>
+    <% } else { %>
+    <div class="ui placeholder segment">
+      <div class="ui icon header">
+        <i class="calendar icon" style="margin-bottom: 20px; "></i>
+        暂无比赛
+      </div>
+      <% if (user && user.is_admin) { %>
+      <a href="<%= syzoj.utils.makeUrl(['contest', 0, 'edit']) %>" class="ui primary labeled icon button">
+        <i class="ui icon write"></i>
+        添加第一场比赛
+      </a>
+      <% } %>
+    </div>
+    <% } %>
   <br>
   <% include page %>
 </div>
diff --git a/views/discussion.ejs b/views/discussion.ejs
index e1de52b..3364802 100644
--- a/views/discussion.ejs
+++ b/views/discussion.ejs
@@ -18,8 +18,8 @@
           <% } %>
         </div>
       </div>
-      <div class="six wide right aligned column" style="margin-bottom: 15px; ">
-        <% if(in_problems) { %>
+      <div class="six wide right aligned column" style="margin-bottom: 10px; ">
+        <% if (in_problems) { %>
           <a style="margin-left: 10px; " href="<%= syzoj.utils.makeUrl(['discussion', 'global']) %>" class="ui labeled icon mini blue button">
             <i class="world icon"></i>
             全局板块
@@ -36,14 +36,17 @@
               题目板块
             </a>
           <% } %>
+          <% if (articles.length && user) { %>
           <a style="margin-left: 10px; " href="<%= syzoj.utils.makeUrl(['article', 0, 'edit'], problem ? { problem_id: problem.id } : null) %>" class="ui labeled icon mini button">
               <i class="write icon"></i>
               发帖
           </a>
+          <% } %>
         <% } %>
       </div>
     </div>
   </div>
+  <% if (articles.length) { %>
   <table class="ui very basic center aligned table">
     <thead>
       <tr>
@@ -71,6 +74,20 @@
     </tbody>
   </table>
   <br>
-    <% include page %>
+  <% include page %>
+  <% } else { %>
+  <div class="ui placeholder segment">
+    <div class="ui icon header">
+      <i class="chat icon" style="margin-bottom: 20px; "></i>
+      暂无讨论
+    </div>
+    <% if (!in_problems && user) { %>
+    <a href="<%= syzoj.utils.makeUrl(['article', 0, 'edit'], problem ? { problem_id: problem.id } : null) %>" class="ui primary labeled icon button">
+      <i class="write icon"></i>
+      发帖
+    </a>
+    <% } %>
+  </div>
+  <% } %>
 </div>
 <% include footer %>
diff --git a/views/footer.ejs b/views/footer.ejs
index d91ab47..d069db5 100644
--- a/views/footer.ejs
+++ b/views/footer.ejs
@@ -1,11 +1,11 @@
 </div>
-    <div class="ui vertical footer segment">
+    <div class="ui vertical footer segment" style="margin-top: 10px; ">
       <div class="ui center aligned container">
         <span style="color: #999;"><%= syzoj.config.title %> Powered by <a href="https://github.com/syzoj/syzoj" target="_blank">SYZOJ</a>.</span>
       </div>
     </div>
-
-<script src="https://cdnjs.loli.net/ajax/libs/semantic-ui/2.3.3/semantic.min.js"></script>
+</div>
+<script src="https://cdnjs.loli.net/ajax/libs/semantic-ui/2.4.1/semantic.min.js"></script>
 <script src="https://cdnjs.loli.net/ajax/libs/Chart.js/2.7.2/Chart.bundle.min.js"></script>
 <script src="/script.js?20170710"></script>
 </body>
diff --git a/views/header.ejs b/views/header.ejs
index edaa5ae..5b609dd 100644
--- a/views/header.ejs
+++ b/views/header.ejs
@@ -1,17 +1,17 @@
 <% include util %>
 <!DOCTYPE html>
-<html lang="zh-CN">
+<html lang="zh-CN" style="position: fixed; width: 100%; overflow: hidden; ">
 <head>
     <meta charset="utf-8">
     <meta content="IE=edge" http-equiv="X-UA-Compatible">
     <meta name="viewport" content="width=1200">
     <title><%= title %> - <%= syzoj.config.title %></title>
-    <link href="https://cdnjs.loli.net/ajax/libs/semantic-ui/2.3.3/semantic.min.css" rel="stylesheet">
+    <link href="https://cdnjs.loli.net/ajax/libs/semantic-ui/2.4.1/semantic.min.css" rel="stylesheet">
     <link href="/tomorrow.css" rel="stylesheet">
     <link href="/mathjax.css?20181105" rel="stylesheet">
     <link href="https://cdnjs.loli.net/ajax/libs/KaTeX/0.10.0/katex.min.css" rel="stylesheet">
     <link href="https://cdnjs.loli.net/ajax/libs/morris.js/0.5.1/morris.css" rel="stylesheet">
-    <link href="/style.css?20181105" rel="stylesheet">
+    <link href="/style.css?20181108" rel="stylesheet">
     <link href="https://fonts.loli.net/css?family=Fira+Mono" rel="stylesheet">
     <link href="https://fonts.loli.net/css?family=Lato:400,700,400italic,700italic&subset=latin" rel="stylesheet">
     <link href="https://fonts.loli.net/css?family=Open+Sans:300,300i,400,400i,600,600i,700,700i,800,800i&amp;subset=latin-ext" rel="stylesheet">
@@ -30,8 +30,8 @@
     </script>
     <% } %>
 </head>
-<body>
-    <div class="ui fixed borderless menu" style="position: fixed; ">
+<body style="position: relative; margin-top: 49px; height: calc(100% - 49px); overflow-y: overlay; ">
+    <div class="ui fixed borderless menu" style="position: fixed; height: 49px; ">
         <div class="ui container">
             <%
             if (syzoj.config.logo.url) {
@@ -79,4 +79,5 @@
             </div>
         </div>
     </div>
+    <div style="margin-top: 28px; ">
     <div class="ui main container">
diff --git a/views/index.ejs b/views/index.ejs
index 0a7ca8a..e31aa09 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -3,7 +3,7 @@
 <div class="padding">
   <div class="ui three column grid">
     <div class="eleven wide column">
-      <h4 class="ui top attached block header">公告</h4>
+      <h4 class="ui top attached block header"><i class="ui info icon"></i>公告</h4>
       <div class="ui bottom attached segment">
         <table class="ui very basic table">
           <thead>
@@ -22,7 +22,7 @@
           </tbody>
         </table>
       </div>
-      <h4 class="ui top attached block header">排名</h4>
+      <h4 class="ui top attached block header"><i class="ui signal icon"></i>排名</h4>
       <div class="ui bottom attached segment">
         <table class="ui very basic center aligned table" style="table-layout: fixed; ">
           <thead>
@@ -76,7 +76,7 @@
       </div>
     </div>
     <div class="right floated five wide column">
-        <h4 class="ui top attached block header">一言（ヒトコト）</h4>
+        <h4 class="ui top attached block header"><i class="ui quote left icon"></i>一言（ヒトコト）</h4>
         <div class="ui bottom attached center aligned segment">
           <div class="ui active centered inline loader" id="hitokoto-loader"></div>
           <script>
@@ -92,13 +92,13 @@
           <div style="font-size: 1em; line-height: 1.5em; display: none; " id="hitokoto-content"></div>
           <div style="text-align: right; margin-top: 15px; font-size: 0.9em; color: #666; display: none; " id="hitokoto-from"></div>
         </div>
-      <h4 class="ui top attached block header">最近更新</h4>
+      <h4 class="ui top attached block header"><i class="ui rss icon"></i>最近更新</h4>
       <div class="ui bottom attached segment">
 	<table class="ui very basic center aligned table">
           <thead>
             <tr>
-              <th>题目</th>
-              <th>更新时间</th>
+              <th width="70%">题目</th>
+              <th width="30%">更新时间</th>
             </tr>
 	  </thead>
 	  <tbody>
@@ -120,7 +120,7 @@
             else if (fortune.fortune.indexOf('凶') != -1) color = '#f25e65';
             else color = '#444';
         %>
-        <h4 class="ui top attached block header">今日运势</h4>
+        <h4 class="ui top attached block header"><i class="ui magic icon"></i>今日运势</h4>
         <div class="ui bottom attached segment">
             <div style="height: 15px; "></div>
             <div class="ui two column center aligned padded grid">
@@ -166,7 +166,7 @@
             </div>
         </div>
         <% } %>
-      <h4 class="ui top attached block header">搜索题目</h4>
+      <h4 class="ui top attached block header"><i class="ui search icon"></i>搜索题目</h4>
       <div class="ui bottom attached segment">
         <form action="<%= syzoj.utils.makeUrl(['problems', 'search']) %>" method="get">
           <div class="ui search" style="width: 100%; ">
@@ -178,7 +178,7 @@
           </div>
         </form>
       </div>
-      <h4 class="ui top attached block header">近期比赛</h4>
+      <h4 class="ui top attached block header"><i class="ui calendar icon"></i>近期比赛</h4>
       <div class="ui bottom attached <% if (!contests || !contests.length) { %>center aligned <% } %>segment">
         <% if (!contests || !contests.length) { %>
         还没有举行过任何比赛
@@ -213,7 +213,7 @@
         <% } %>
       </div>
       <% if (typeof links !== 'undefined' && links && links.length) { %>
-      <h4 class="ui top attached block header font-content">友情链接</h4>
+      <h4 class="ui top attached block header font-content"><i class="ui linkify icon"></i>友情链接</h4>
       <div class="ui bottom attached segment">
         <ul style="margin: 0; padding-left: 20px; ">
           <% for (let link of links) { %>
diff --git a/views/login.ejs b/views/login.ejs
index 865f82f..6b0aadf 100644
--- a/views/login.ejs
+++ b/views/login.ejs
@@ -6,7 +6,7 @@
   <div class="row">
     <div class="column" style="max-width: 450px">
       <h2 class="ui image header">
-        <div class="content">
+        <div class="content" style="margin-bottom: 10px; ">
           登录
         </div>
       </h2>
@@ -32,7 +32,7 @@
       </form>
 
       <div class="ui message">
-        <a href="/sign_up">注册</a>
+        <a href="/sign_up">注册账号</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
         <a href="<%= syzoj.utils.makeUrl(['forget']) %>">忘记密码</a>
       </div>
     </div>
diff --git a/views/page.ejs b/views/page.ejs
index b86a1f7..bdb8f00 100644
--- a/views/page.ejs
+++ b/views/page.ejs
@@ -1,4 +1,4 @@
-<% if (paginate.pageCnt) { %>
+<% if (paginate.pageCnt > 1) { %>
 <div style="text-align: center; ">
   <div class="ui pagination menu" style="box-shadow: none; ">
     <a class="<% if (paginate.currPage === 1) { %> disabled<% } %> icon item" <% if (paginate.currPage !== 1) { %>href="<%= syzoj.utils.makeUrl(req, Object.assign({}, req.query, { page: paginate.currPage - 1 })) %>" <% } %>id="page_prev">
diff --git a/views/problem.ejs b/views/problem.ejs
index efa5fe8..ea311d3 100644
--- a/views/problem.ejs
+++ b/views/problem.ejs
@@ -302,7 +302,7 @@ div[class*=ace_br] {
                 </div>
               </div>
               </div>
-              <div class="ui center aligned vertical segment" style="padding-bottom: 0; "><button type="submit" class="ui button">提交</button></div>
+              <div class="ui center aligned vertical segment" style="padding-bottom: 0; "><button type="submit" class="ui labeled icon button"><i class="ui edit icon"></i>提交</button></div>
             <% } else { %>
               <input name="language" type="hidden" id="form">
               <input name="code" type="hidden">
@@ -334,7 +334,7 @@ div[class*=ace_br] {
               </div>
               </div>
               <div class="ui center aligned vertical segment" style="padding-bottom: 0; ">
-                <button type="submit" class="ui button">提交</button>
+                <button type="submit" class="ui labeled icon button"><i class="ui edit icon"></i>提交</button>
                 <!--div onclick="show_custom_test()" class="ui positive button">自定义测试</div-->
               </div>
             <% } %>
diff --git a/views/problem_data.ejs b/views/problem_data.ejs
index 63e2c96..291ef10 100644
--- a/views/problem_data.ejs
+++ b/views/problem_data.ejs
@@ -117,8 +117,8 @@ function getIcon(filename) {
               <label for="answer">上传文件（可一次性上传多个）</label>
               <input type="file" name="file" multiple id="upload_file">
               <div class="ui center aligned vertical segment" style="padding-bottom: 0; ">
-                <div class="ui button" onclick="check_replace()">提交</div>
-                <a href="<%= syzoj.utils.makeUrl(['problem', problem.id]) %>" class="ui blue button">返回题目</a>
+                <div class="ui labeled icon blue button" onclick="check_replace()"><i class="ui edit icon"></i>提交</div>
+                <a href="<%= syzoj.utils.makeUrl(['problem', problem.id]) %>" class="ui labeled icon button"><i class="ui angle left icon"></i>返回</a>
               </div>
             </div>
           </div>
diff --git a/views/problem_edit.ejs b/views/problem_edit.ejs
index 31a8041..3658478 100644
--- a/views/problem_edit.ejs
+++ b/views/problem_edit.ejs
@@ -64,7 +64,11 @@
         <div class="font-content" id="pv-hint"></div>
       </div>
       <% if (problem.allowedEdit) { %>
-      <button type="submit" class="ui button">提交</button>
+      <div style="text-align: center; ">
+      <button type="submit" class="ui labeled submit icon button">
+        <i class="icon edit"></i> 提交
+      </button>
+      </div>
       <% } %>
     </form>
 </div>
diff --git a/views/problem_import.ejs b/views/problem_import.ejs
index 369b77c..b8d5e39 100644
--- a/views/problem_import.ejs
+++ b/views/problem_import.ejs
@@ -17,6 +17,10 @@
           <label>题目链接</label>
           <input type="text" name="url" placeholder="如：http://example.com/problem/1">
       </div>
-      <button type="submit" class="ui button">提交</button>
+      <div style="text-align: center; ">
+      <button type="submit" class="ui labeled submit icon button">
+        <i class="icon edit"></i> 提交
+      </button>
+      </div>
   </form>
 <% include footer %>
diff --git a/views/problem_manage.ejs b/views/problem_manage.ejs
index 2330e83..ede20c4 100644
--- a/views/problem_manage.ejs
+++ b/views/problem_manage.ejs
@@ -95,8 +95,8 @@
             <label for="additional_file">上传附加文件（请使用 ZIP 格式）</label>
             <input type="file" id="additional_file" name="additional_file">
           </div>
-          <button type="submit" class="ui button">提交</button>
-          <a href="<%= syzoj.utils.makeUrl(['problem', problem.id]) %>" class="ui blue button">返回题目</a>
+          <button type="submit" class="ui labeled icon blue button"><i class="ui edit icon"></i>提交</button>
+          <a href="<%= syzoj.utils.makeUrl(['problem', problem.id]) %>" class="ui labeled icon button"><i class="ui angle left icon"></i>返回</a>
         </form>
       </div>
   </div>
@@ -145,7 +145,9 @@ $(function () {
 });
 
 function checkSubmit() {
-  ;
+  if (!$('#file-io-output-name').val()) {
+    $('#file-io-output-name').val($('#file-io-output-name').attr('placeholder'));
+  }
 }
 </script>
 <% include footer %>
diff --git a/views/problem_tag_edit.ejs b/views/problem_tag_edit.ejs
index 2b3ae19..326f760 100644
--- a/views/problem_tag_edit.ejs
+++ b/views/problem_tag_edit.ejs
@@ -60,7 +60,11 @@
             </div>
           </div>
       </div>
-      <button type="submit" class="ui button">提交</button>
+      <div style="text-align: center; ">
+      <button type="submit" class="ui labeled submit icon button">
+        <i class="icon edit"></i> 提交
+      </button>
+      </div>
   </form>
 <script>
 $(function () {
diff --git a/views/problems.ejs b/views/problems.ejs
index 22782d8..67eaabb 100644
--- a/views/problems.ejs
+++ b/views/problems.ejs
@@ -25,7 +25,7 @@ if (typeof tags !== 'undefined') tagIDs = tags.map(x => x.id);
           <form action="<%= syzoj.utils.makeUrl(['problems', 'search']) %>" method="get">
             <div class="ui search" style="width: 280px; height: 28px; margin-top: -5.3px; ">
               <div class="ui left icon input" style="width: 100%; ">
-                <input class="prompt" style="width: 100%; " type="text" placeholder="ID / 题目名 …" name="keyword">
+                <input class="prompt" style="width: 100%; " type="text" value="<%= req.query.keyword %>" placeholder="ID / 题目名 …" name="keyword">
                 <i class="search icon"></i>
               </div>
               <div class="results" style="width: 100%; "></div>
@@ -81,10 +81,10 @@ if (typeof tags !== 'undefined') tagIDs = tags.map(x => x.id);
     </div>
   </div>
 
+  <% if (problems.length) { %>
   <div style="margin-bottom: 30px; ">
     <% include page %>
   </div>
-
   <table class="ui very basic center aligned table">
     <thead>
       <tr>
@@ -149,6 +149,19 @@ if (typeof tags !== 'undefined') tagIDs = tags.map(x => x.id);
     </tbody>
   </table><br>
   <% include page  %>
+  <% } else { %>
+  <div class="ui placeholder segment">
+    <div class="ui icon header">
+      <% if (typeof req.query.keyword !== 'undefined') { %>
+      <i class="search icon" style="margin-bottom: 20px; "></i>
+      找不到符合条件的题目
+      <% } else { %>
+      <i class="list icon" style="margin-bottom: 20px; "></i>
+      暂无题目
+      <% } %>
+    </div>
+  </div>
+  <% } %>
 <script>
 document.addEventListener('keydown', function (event) {
   if (event.keyCode === 39) document.getElementById('page_next').click();
diff --git a/views/status_label.ejs b/views/status_label.ejs
index 5eb8efc..aed7824 100644
--- a/views/status_label.ejs
+++ b/views/status_label.ejs
@@ -20,7 +20,7 @@ const iconList = {
 };
 Vue.component('status-label', {
   template: '#statusIconTemplate',
-  props: ['status'],
+  props: ['status', 'indetail'],
   computed: {
     icon() {
       if (this.status in iconList) {
@@ -30,7 +30,7 @@ Vue.component('status-label', {
       }
     },
     colorClass() {
-      return this.status.toLowerCase().split(' ').join('_');
+      return (this.indetail ? 'status_detail ' : '') + this.status.toLowerCase().split(' ').join('_');
     }
   }
 })
diff --git a/views/submission.ejs b/views/submission.ejs
index 4212161..0c23839 100644
--- a/views/submission.ejs
+++ b/views/submission.ejs
@@ -64,7 +64,7 @@
             子任务 #{{ $index + 1 }}
           </div>
           <div class="four wide column">
-            <status-label :status="getSubtaskResult(subtask)"></status-label>
+            <status-label :status="getSubtaskResult(subtask)" :indetail="true"></status-label>
           </div>
           <div class="three wide column" v-if="subtask.score != null">
             得分：<span style="font-weight: normal; ">{{ Math.trunc(subtask.score) }}</span>
@@ -81,7 +81,7 @@
                     测试点 #{{ $caseIndex + 1 }}
                 </div>
                 <div class="four wide column">
-                  <status-label :status="getTestcaseStatus(curCase)"></status-label>
+                  <status-label :status="getTestcaseStatus(curCase)" :indetail="true"></status-label>
                 </div>
                 <template v-if="checkTestcaseOK(curCase)">
                   <div class="three wide column">
diff --git a/views/submissions_item.ejs b/views/submissions_item.ejs
index 2987ec2..14637eb 100644
--- a/views/submissions_item.ejs
+++ b/views/submissions_item.ejs
@@ -50,28 +50,76 @@ Vue.component('submission-item', {
 
 <script id="submissionItemTemplate" type="text/x-template">
 <tr>
+  <% if (active === 'submissions') { %>
   <td><a :href="submissionLink"><b>#{{ data.info.submissionId }}</b></a></td>
-  <td ref="problemLabel"><a ref="problemLabelTextFit" style="width: 230px; height: 22px; display: block; margin: 0 auto; line-height: 22px;" :href="problemLink">#{{ config.inContest ? alpha(data.info.problemId) : data.info.problemId }}. {{ data.info.problemName }}</a></td>
+  <% } else { %>
+  <td><b>#{{ data.info.submissionId }}</b></td>
+  <% } %>
+  <td ref="problemLabel"><a ref="problemLabelTextFit" style="width: 230px; height: 22px; display: block; margin: 0 auto; line-height: 22px;" :href="problemLink"><b>#{{ config.inContest ? alpha(data.info.problemId) : data.info.problemId }}.</b> {{ data.info.problemName }}</a></td>
+  <% if (active === 'submissions') { %>
   <td><a :href="submissionLink"><b><status-label :status="statusString"></status-label></b></a></td>
+  <% } else { %>
+  <td><b><status-label :status="statusString"></status-label></b></td>
+  <% } %>
 
   <template v-if="data.result">
-  <td v-if="config.showScore"><a :href="submissionLink"><span class="score" :class="scoreClass">{{ (data.result.score != null && data.result.score !== NaN) ? Math.floor(data.result.score) : '' }}</span></a></td>
-  <td v-if="config.showUsage">{{ (data.result.time != null && data.result.time !== NaN) ? data.result.time.toString() + ' ms' : '' }}</td>
-  <td v-if="config.showUsage">{{ (data.result.memory != null && data.result.memory !== NaN) ? data.result.memory.toString() + ' KiB' : '' }}</td>
+  <% if (active === 'submissions') { %>
+  <td v-if="config.showScore"><a :href="submissionLink"><span class="score" :class="scoreClass">{{ Math.floor(data.result.score || 0) }}</span></a></td>
+  <% } else { %>
+  <td v-if="config.showScore"><span class="score" :class="scoreClass">{{ Math.floor(data.result.score || 0) }}</span></td>
+  <% } %>
+  <td v-if="config.showUsage">{{ (data.result.time || 0).toString() + ' ms' }}</td>
+  <td v-if="config.showUsage">{{ (data.result.memory || 0).toString() + ' KiB' }}</td>
   </template> <template v-else>
   <td v-if="config.showScore"/> <td v-if="config.showUsage"/> <td v-if="config.showUsage"/>
   </template>
 
   <td v-if="config.showCode">
-    <span v-if="data.info.language"><a :href="submissionLink">{{ data.info.language  }}</a> / </span>
+    <% if (active === 'submissions') { %>
+    <span v-if="data.info.language"><a :href="submissionLink"><b>{{ data.info.language }}</b></a> / </span>
+    <% } else { %>
+    <span v-if="data.info.language"><b>{{ data.info.language }}</b> / </span>
+    <% } %>
     {{ data.info.codeSize }}
   </td>
   <td><a :href="userLink">{{ data.info.user }}</a></td>
   <td>{{ data.info.submitTime }}</td>
   <td v-if="showRejudge">
-    <form :action="submissionLink + '/rejudge'" method="POST">
-      <button type="submit" style="color: #000; padding: 0; border: none; background: none;" value="rejudge"><i class="repeat icon"></i></button>
-    </form>
+    <a id="rejudge-button" :onclick="'check_rejudge(' + (statusString === 'Waiting' || statusString.startsWith('Running')).toString() + ')'" style="color: #000; " href="#"><i class="repeat icon"></i></a>
+    <% if (active === 'submission') { %>
+    <div class="ui basic modal" id="modal-rejudge">
+      <div class="ui icon header">
+        <i class="retweet icon"></i>
+        <p style="margin-top: 15px; ">重新评测</p>
+      </div>
+      <div class="content" style="text-align: center; ">
+        <p>确认重新评测该提交记录吗？</p>
+        <p id="warning_pending"><strong>警告：只有管理员可以重新评测一个未评测完成的记录，<br>这种情况一般发生在评测服务中断后，如果一个提交正在被评测，<br>则将其重新评测会导致系统错乱！</strong></p>
+      </div>
+      <div class="actions">
+        <div class="ui red basic cancel inverted button">
+          <i class="remove icon"></i>
+          否
+        </div>
+        <a class="ui green ok inverted button" :href-post="submissionLink + '/rejudge'">
+          <i class="checkmark icon"></i>
+          是
+        </a>
+      </div>
+    </div>
+    <% } %>
   </td>
 </tr>
 </script>
+<% if (active === 'submission') { %>
+<script>
+function check_rejudge(pending) {
+  if (pending) {
+    $('#warning_pending').css('display', '');
+  } else {
+    $('#warning_pending').css('display', 'none');
+  }
+  $('#modal-rejudge').modal('show');
+}
+</script>
+<% } %>
diff --git a/views/user_edit.ejs b/views/user_edit.ejs
index 1023076..0bb59e1 100644
--- a/views/user_edit.ejs
+++ b/views/user_edit.ejs
@@ -70,9 +70,9 @@
           <label>管理用户</label>
         </div>
       </div>
-      <div style="text-align: center; ">
-        <button type="submit" class="ui button">修改</button>
-        <a href="<%= syzoj.utils.makeUrl(['user', edited_user.id]) %>" class="ui blue button">返回个人资料</a>
+      <div style="text-align: center; margin-top: 30px; ">
+        <button type="submit" class="ui blue labeled icon button"><i class="ui icon edit"></i>修改</button>
+        <a href="<%= syzoj.utils.makeUrl(['user', edited_user.id]) %>" class="ui labeled icon button"><i class="ui icon angle left"></i>返回</a>
       </div>
 		</form>
 	</div>