diff --git a/views/problem.ejs b/views/problem.ejs
index b758701..a49ef57 100644
--- a/views/problem.ejs
+++ b/views/problem.ejs
@@ -28,29 +28,50 @@ if (contest) {
         <% } %>
       </h1>
     </div>
-    <div class="row" style="margin-top: -15px">
-        <span class="ui label">内存限制: <%= problem.memory_limit %> MiB</span>
-        <span class="ui label">时间限制: <%= problem.time_limit %> ms</span>
-    </div>
-    <div class="row" style="margin-top: -23px">
-        <% if (problem.file_io) { %>
-        <span class="ui label">输入文件: <%= problem.file_io_input_name %></span>
-        <span class="ui label">输出文件: <%= problem.file_io_output_name %></span>
-        <% } else { %>
-        <span class="ui label">标准输入输出</span>
-        <% } %>
-    </div>
+    <% if (contest) { %>
+        <div class="row" style="margin-top: -15px">
+            <span class="ui label">内存限制：<%= problem.memory_limit %> MiB</span>
+            <span class="ui label">时间限制：<%= problem.time_limit %> ms</span>
+        </div>
+        <div class="row" style="margin-top: -23px">
+            <% if (problem.file_io) { %>
+            <span class="ui label">输入文件：<%= problem.file_io_input_name %></span>
+            <span class="ui label">输出文件：<%= problem.file_io_output_name %></span>
+            <% } else { %>
+            <span class="ui label">标准输入输出</span>
+            <% } %>
+        </div>
+    <% } else { %>
+        <div class="row" style="margin-top: -15px">
+            <span class="ui label">内存限制：<%= problem.memory_limit %> MiB</span>
+            <span class="ui label">时间限制：<%= problem.time_limit %> ms</span>
+            <% if (problem.file_io) { %>
+            <span class="ui label">输入文件: <%= problem.file_io_input_name %></span>
+            <span class="ui label">输出文件: <%= problem.file_io_output_name %></span>
+            <% } else { %>
+            <span class="ui label">标准输入输出</span>
+            <% } %>
+        </div>
+        <div class="row" style="margin-top: -23px">
+            <span class="ui label">上传者：
+            <% if (problem.is_anonymous && !problem.allowedManage) { %>
+              匿名
+            <% } else { %>
+              <a href="<%= syzoj.utils.makeUrl(['user', problem.user_id]) %>"><%= problem.user.username %></a>
+            <% } %>
+            </span>
+            <% if (problem.allowedManage) { %>
+                <span class="ui label">公开者：
+                <% if (problem.publicizer) { %>
+                  <a href="<%= syzoj.utils.makeUrl(['user', problem.publicizer_id]) %>"><%= problem.publicizer.username %></a>
+                <% } else { %>
+                  未知
+                <% } %>
+                </span>
+            <% } %>
+        </div>
+    <% } %>
 </div>
-<!--<p>
-  由
-    <img style="vertical-align: middle;" src="//cn.gravatar.com/avatar/098be10e0980598d81978267ac70c1fd?s=64&amp;d=mm" width="32" height="32">
-    <a href="/user/1">Menci</a>
-  上传
-  ，由
-    <img style="vertical-align: middle;" src="//cn.gravatar.com/avatar/7d3767f80c1d98af3197062a55d1a6ee?s=64&amp;d=mm" width="32" height="32">
-    <a href="/user/1">samzhang</a>
-  公开
-</p>-->
 <div class="ui grid">
   <div class="row">
     <div class="column">
@@ -84,30 +105,6 @@ if (contest) {
             <% } %>
           <% } %>
         </div>
-        <div class="ui large labels" style="float: right; vertical-align: middle">
-          <div class="ui basic image label" style="font-size: 1.1em; margin-right: 0.3em;">
-            <% if (problem.is_anonymous && !problem.allowedManage) { %>
-              <img src="<%= syzoj.utils.gravatar('', 64) %>">
-              <a>匿名用户</a>
-            <% } else { %>
-              <img src="<%= syzoj.utils.gravatar(problem.user.email, 64) %>">
-              <a href="<%= syzoj.utils.makeUrl(['user', problem.user_id]) %>"><%= problem.user.username %></a>
-            <% } %>
-            <div class="detail">上传</div>
-          </div>
-          <% if (problem.is_public) {  %>
-            <div class="ui basic image label" style="font-size: 1.1em; margin-right: <% if (problem.allowedEdit || problem.allowedManage) { %>0.3em<% } else { %>0<% } %>;">
-              <% if (problem.publicizer) { %>
-                <img src="<%= syzoj.utils.gravatar(problem.publicizer.email, 64) %>">
-                <a href="<%= syzoj.utils.makeUrl(['user', problem.publicizer_id]) %>"><%= problem.publicizer.username %></a>
-              <% } else { %>
-                <img src="<%= syzoj.utils.gravatar('', 64) %>">
-                <a>LibreOJ 管理员</a>
-              <% } %>
-              <div class="detail">公开</div>
-            </div>
-          <% } %>
-        </div>
       <% } %>
     </div>
   </div>
@@ -215,7 +212,7 @@ if (contest) {
               </div>
             </div>
             <div class="ui center aligned vertical segment" style="padding-bottom: 0; "><button type="submit" class="ui button">提交</button></div>
-        	</form>
+            </form>
         </div>
     </div>
     <% } %>