fix #518

Author: liangliangyy

templates/blog/tags/article_info.html

@@ -23,7 +23,7 @@ <h1 class="entry-title">
                 <a href="{{ article.get_absolute_url }}#comments" class="ds-thread-count" data-thread-key="3815"
                    rel="nofollow">
                     <span class="leave-reply">
-                    {% if article.comment and article.comment_set.count %}
+                    {% if article.comment_set and article.comment_set.count %}
                         {{ article.comment_set.count }}个评论
                     {% else %}
                         发表评论

templates/blog/tags/sidebar.html

@@ -122,7 +122,7 @@
                 </li>
 
             {% else %}
-                <li><a href="{% url "account:login" %}" rel="nofollow">登录</a>
+                <li><a href="{% url "account:login" %}" rel="nofollow">登录</a></li>
             {% endif %}
             {% if user.is_superuser %}
                 <li><a href="{% url "blog:refresh" %}" target="_blank">刷新缓存</a></li>