diff --git a/contest/views.py b/contest/views.py
index fe893e6..ae6f934 100644
--- a/contest/views.py
+++ b/contest/views.py
@@ -484,6 +484,10 @@ def contest_problem_submissions_list_page(request, contest_id, page=1):
     if user_id:
         submissions = submissions.filter(user_id=request.GET.get("user_id"))
 
+    problem_id = request.GET.get("problem_id", None)
+    if problem_id:
+        submissions = submissions.filter(problem_id=problem_id)
+
     # 封榜的时候只能看到自己的提交
     if not contest.real_time_rank:
         if not (request.user.admin_type == SUPER_ADMIN or request.user == contest.created_by):
diff --git a/template/src/oj/contest/contest_rank.html b/template/src/oj/contest/contest_rank.html
index b14eb28..0236365 100644
--- a/template/src/oj/contest/contest_rank.html
+++ b/template/src/oj/contest/contest_rank.html
@@ -40,7 +40,7 @@
                             <th class="text-center">用时 + 罚时</th>
                             {% for item in contest_problems %}
                                 <th class="text-center">
-                                    <a href="/contest/{{ contest.id }}/problem/{{ item.id }}/">{{ item.sort_index }}</a>
+                                    <a href="/contest/{{ contest.id }}/submissions/?problem_id={{ item.id }}">{{ item.sort_index }}</a>
                                 </th>
                             {% endfor %}
                         </tr>
@@ -48,7 +48,7 @@
                         <tbody class="rank">
                         {% for item in rank %}
                             <tr>
-                                <th scope="row">{{ forloop.counter|add:paging_info.offset}}</th>
+                                <th scope="row">{% if item.total_ac_number %}{{ forloop.counter|add:paging_info.offset}}{% else %}-{% endif %}</th>
                                 <td>
                                 <a href="/contest/{{ contest.id }}/submissions/?user_id={{ item.user__id }}">
                                     {{ item.user__username }}