diff --git a/template/src/oj/contest/contest_problems_list.html b/template/src/oj/contest/contest_problems_list.html
index bca4c089..c0cb58a1 100644
--- a/template/src/oj/contest/contest_problems_list.html
+++ b/template/src/oj/contest/contest_problems_list.html
@@ -29,7 +29,7 @@
         </div>
 
 
-        <div class="col-md-9 col-lg-9">
+        <div class="col-md-12 col-lg-12">
             <div>
                 <table class="table table-striped">
                     <thead>
@@ -60,9 +60,7 @@
 
             </div>
         </div>
-        <div class="col-md-3 col-lg-3">
-            {% include "oj/announcement/_announcement_panel.html" %}
-        </div>
+
     </div>
 </div>
 {% endblock %}
diff --git a/template/src/oj/contest/contest_rank.html b/template/src/oj/contest/contest_rank.html
index eb86cc79..99eda73b 100644
--- a/template/src/oj/contest/contest_rank.html
+++ b/template/src/oj/contest/contest_rank.html
@@ -50,9 +50,9 @@
                             <tr>
                                 <th scope="row">{{ forloop.counter }}</th>
                                 <td>
-                                    {{ item.user.username }}
+                                    {{ item.user__username }}
                                     {% if show_real_name %}
-                                        （{{ item.user.real_name }}）
+                                        （{{ item.user__real_name }}）
                                     {% endif %}
                                 </td>
                                 <td>{{ item.total_ac_number }} / {{ item.total_submission_number }}</td>
diff --git a/template/src/oj/contest/submissions_list.html b/template/src/oj/contest/submissions_list.html
index bee1e91b..1bdfdebf 100644
--- a/template/src/oj/contest/submissions_list.html
+++ b/template/src/oj/contest/submissions_list.html
@@ -24,8 +24,10 @@
             </ul>
         </div>
         <table class="table table-bordered">
-            <thead>
-            <tr class="" success>
+
+            {% if submissions %}
+                <thead>
+            <tr>
                 <th>#</th>
                 <th>题目名称</th>
                 <th>用户</th>
@@ -65,7 +67,6 @@
                 </th>
             </tr>
             </thead>
-            {% if submissions %}
                 <tbody>
                 {% for item in submissions %}
                     <tr>