题目编辑，测试数据上传，评测记录

templates/partials/path.html

@@ -8,7 +8,7 @@
           / {% if c[1] %}<a href="{{ c[1] }}">{{ c[0] if c[2] else _(c[0]) }}</a>{% endif %}
         {%- endfor %}
         </div>
-        <h1 class="location-current" data-emoji-enabled>{{ path[path.length - 1][0] if path[path.length - 1][0] else _(path[path.length - 1][0]) }}</h1>
+        <h1 class="location-current" data-emoji-enabled>{{ path[path.length - 1][0] if path[path.length - 1][2] else _(path[path.length - 1][0]) }}</h1>
       </div>
       <div class="media__right">
         {% include "partials/hamburger.html" %}

templates/partials/problem_list.html

@@ -3,7 +3,7 @@
 {% import "components/problem.html" as problem with context %}
 {% import "components/nothing.html" as nothing with context %}
 <div data-fragment-id="problem_list">
-{% if not pdocs %}
+{% if not pdocs.length %}
   {{ nothing.render('Sorry, there is no problem in the problem set') }}
 {% else %}
   <table class="data-table">