diff --git a/template/src/oj/contest/contest_problem.html b/template/src/oj/contest/contest_problem.html
index 0dc4918..6f691b6 100644
--- a/template/src/oj/contest/contest_problem.html
+++ b/template/src/oj/contest/contest_problem.html
@@ -8,9 +8,6 @@
         <li role="presentation"><a
                 href="/contest/{{ contest_problem.contest.id }}/problem/{{ contest_problem.id }}/submissions/">我的提交</a>
         </li>
-        <li role="presentation"><a
-                href="/contest/{{ contest_problem.contest.id }}/problems/">返回</a>
-        </li>
     </ul>
     <h2 class="text-center">{{ contest_problem.title }}</h2>
 
diff --git a/template/src/oj/contest/contest_problems_list.html b/template/src/oj/contest/contest_problems_list.html
index 5118d3e..0d953b2 100644
--- a/template/src/oj/contest/contest_problems_list.html
+++ b/template/src/oj/contest/contest_problems_list.html
@@ -57,10 +57,10 @@
 
                         </th>
                         <th scope="row">
-                            <a href="/contest/{{ item.contest.id }}/problem/{{ item.id }}/" target="_blank">{{ item.sort_index }}</a>
+                            <a href="/contest/{{ item.contest.id }}/problem/{{ item.id }}/">{{ item.sort_index }}</a>
                         </th>
                         <td>
-                            <a href="/contest/{{ item.contest.id }}/problem/{{ item.id }}/" target="_blank">{{ item.title }}</a>
+                            <a href="/contest/{{ item.contest.id }}/problem/{{ item.id }}/">{{ item.title }}</a>
                         </td>
                         <td>{{ item|accepted_radio }}</td>
                     </tr>
diff --git a/template/src/oj/problem/problem.html b/template/src/oj/problem/problem.html
index 0c82bc6..a7820eb 100644
--- a/template/src/oj/problem/problem.html
+++ b/template/src/oj/problem/problem.html
@@ -9,9 +9,6 @@
             <li role="presentation">
                 <a href="/problem/{{ problem.id }}/submissions/">我的提交</a>
             </li>
-            <li role="presentation">
-                <a href="/problems/">返回</a>
-            </li>
         </ul>
         {% include "oj/problem/_problem_header.html" %}
 
diff --git a/template/src/oj/problem/problem_list.html b/template/src/oj/problem/problem_list.html
index 247b07f..ed57e16 100644
--- a/template/src/oj/problem/problem_list.html
+++ b/template/src/oj/problem/problem_list.html
@@ -29,8 +29,8 @@
                         {% for item in problems %}
                             <tr>
                                 <th><span class="glyphicon glyphicon-ok ac-flag"></span></th>
-                                <th scope="row"><a href="/problem/{{ item.id }}/" target="_blank">{{ item.id }}</a></th>
-                                <td><a href="/problem/{{ item.id }}/" target="_blank">{{ item.title }}</a></td>
+                                <th scope="row"><a href="/problem/{{ item.id }}/">{{ item.id }}</a></th>
+                                <td><a href="/problem/{{ item.id }}/">{{ item.title }}</a></td>
                                 <td>{{ item.difficulty }}</td>
                                 <td>{{ item|accepted_radio }}</td>
                             </tr>