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">

templates/problem_upload.html

@@ -4,8 +4,8 @@
     {% if (typeof(pdoc.data) == 'string') %}
         <p><b>{{ _('Current dataset comes from') }} <a href="{{ pdoc.data.split('from:')[1] }}" target="_blank">{{ pdoc.data.split('from:')[1] }}</a></b></p>
     {% else %}
-        <p>{{ _('Current dataset: {0}').format(pdoc['data'].toString()|default(_('(None)'))) }}</p>
-        <p>{{ _('MD5: {0}').format(md5|default(_('(None)'))) }}</p>
+        <p>{{ _('Current dataset: {0}').format((pdoc['data'] or _('(None)')).toString()) }}</p>
+        <p>{{ _('MD5: {0}').format(md5 or _('(None)')) }}</p>
     {% endif %}
     <p>{{ _('New dataset') }}:
         <input type="hidden" name="csrf_token" value="{{ handler.csrf_token }}">