diff --git a/DjangoBlog/blog_signals.py b/DjangoBlog/blog_signals.py
index 1abe76b..edc0ea9 100644
--- a/DjangoBlog/blog_signals.py
+++ b/DjangoBlog/blog_signals.py
@@ -22,7 +22,7 @@ from django.core.mail import EmailMultiAlternatives
 from django.db.models.signals import post_save
 from django.contrib.auth.signals import user_logged_in, user_logged_out, user_login_failed
 
-from DjangoBlog.utils import cache, send_email, expire_view_cache, get_blog_setting, delete_view_cache
+from DjangoBlog.utils import cache, send_email, expire_view_cache, delete_sidebar_cache, delete_view_cache
 from DjangoBlog.spider_notify import SpiderNotify
 from oauth.models import OAuthUser
 from blog.models import Article, Category, Tag, Links, SideBar, BlogSettings
@@ -103,7 +103,8 @@ def model_post_save_callback(sender, instance, created, raw, using, update_field
             cache.delete('seo_processor')
         comment_cache_key = 'article_comments_{id}'.format(id=instance.article.id)
         cache.delete(comment_cache_key)
-        delete_view_cache(instance.author.username)
+        delete_sidebar_cache(instance.author.username)
+        delete_view_cache('article_comments', [str(instance.article.pk)])
 
         _thread.start_new(send_comment_email, (instance,))
 
@@ -116,5 +117,5 @@ def model_post_save_callback(sender, instance, created, raw, using, update_field
 def user_auth_callback(sender, request, user, **kwargs):
     if user and user.username:
         logger.info(user)
-        delete_view_cache(user.username)
+        delete_sidebar_cache(user.username)
         cache.clear()
diff --git a/DjangoBlog/utils.py b/DjangoBlog/utils.py
index 619db63..75555c7 100644
--- a/DjangoBlog/utils.py
+++ b/DjangoBlog/utils.py
@@ -42,7 +42,6 @@ def get_md5(str):
 def cache_decorator(expiration=3 * 60):
     def wrapper(func):
         def news(*args, **kwargs):
-            key = ''
             try:
                 view = args[0]
                 key = view.get_cache_key()
@@ -57,11 +56,17 @@ def cache_decorator(expiration=3 * 60):
             value = cache.get(key)
             if value:
                 # logger.info('cache_decorator get cache:%s key:%s' % (func.__name__, key))
-                return value
+                if repr(value) == 'default':
+                    return None
+                else:
+                    return value
             else:
                 logger.info('cache_decorator set cache:%s key:%s' % (func.__name__, key))
                 value = func(*args, **kwargs)
-                cache.set(key, value, expiration)
+                if not value:
+                    cache.set(key, 'default', expiration)
+                else:
+                    cache.set(key, value, expiration)
                 return value
 
         return news
@@ -246,10 +251,16 @@ def save_user_avatar(url):
         return url
 
 
-def delete_view_cache(username):
+def delete_sidebar_cache(username):
     from django.core.cache.utils import make_template_fragment_key
     from blog.models import LINK_SHOW_TYPE
     keys = (make_template_fragment_key('sidebar', [username + x[0]]) for x in LINK_SHOW_TYPE)
     for k in keys:
         logger.info('delete sidebar key:' + k)
         cache.delete(k)
+
+
+def delete_view_cache(prefix, keys):
+    from django.core.cache.utils import make_template_fragment_key
+    key = make_template_fragment_key(prefix, keys)
+    cache.delete(key)
diff --git a/accounts/tests.py b/accounts/tests.py
index 7fdeaba..0d196d6 100644
--- a/accounts/tests.py
+++ b/accounts/tests.py
@@ -1,7 +1,7 @@
 from django.test import Client, RequestFactory, TestCase
 from blog.models import Article, Category, Tag
 from django.contrib.auth import get_user_model
-from DjangoBlog.utils import get_current_site
+from DjangoBlog.utils import delete_view_cache, delete_sidebar_cache
 import datetime
 from accounts.models import BlogUser
 from django.urls import reverse
@@ -59,7 +59,7 @@ class AccountTest(TestCase):
         user.is_superuser = True
         user.is_staff = True
         user.save()
-        delete_view_cache(user.username)
+        delete_sidebar_cache(user.username)
         category = Category()
         category.name = "categoryaaa"
         category.created_time = datetime.datetime.now()
diff --git a/blog/models.py b/blog/models.py
index a7e981d..36032b4 100644
--- a/blog/models.py
+++ b/blog/models.py
@@ -117,7 +117,7 @@ class Article(BaseModel):
             return value
         else:
             comments = self.comment_set.filter(is_enable=True)
-            cache.set(cache_key, comments)
+            cache.set(cache_key, comments, 60 * 100)
             logger.info('set article comments:{id}'.format(id=self.id))
             return comments
 
@@ -125,12 +125,12 @@ class Article(BaseModel):
         info = (self._meta.app_label, self._meta.model_name)
         return reverse('admin:%s_%s_change' % info, args=(self.pk,))
 
-    @cached_property
+    @cache_decorator(expiration=60 * 100)
     def next_article(self):
         # 下一篇
         return Article.objects.filter(id__gt=self.id, status='p').order_by('id').first()
 
-    @cached_property
+    @cache_decorator(expiration=60 * 100)
     def prev_article(self):
         # 前一篇
         return Article.objects.filter(id__lt=self.id, status='p').first()
diff --git a/blog/views.py b/blog/views.py
index b4205a9..b572278 100644
--- a/blog/views.py
+++ b/blog/views.py
@@ -87,6 +87,7 @@ class IndexView(ArticleListView):
     '''
     首页
     '''
+    # 友情链接类型
     link_type = 'i'
 
     def get_queryset_data(self):
diff --git a/oauth/oauthmanager.py b/oauth/oauthmanager.py
index 3d25235..5d7521a 100644
--- a/oauth/oauthmanager.py
+++ b/oauth/oauthmanager.py
@@ -20,7 +20,7 @@ import requests
 import json
 import logging
 import urllib.parse
-from DjangoBlog.utils import parse_dict_to_url
+from DjangoBlog.utils import parse_dict_to_url, cache_decorator
 
 logger = logging.getLogger(__name__)
 
@@ -426,6 +426,7 @@ class QQOauthManager(BaseOauthManager):
             return user
 
 
+@cache_decorator(expiration=100 * 60)
 def get_oauth_apps():
     configs = OAuthConfig.objects.filter(is_enable=True).all()
     if not configs:
@@ -438,7 +439,8 @@ def get_oauth_apps():
 
 def get_manager_by_type(type):
     applications = get_oauth_apps()
-    finds = list(filter(lambda x: x.ICON_NAME.lower() == type.lower(), applications))
-    if finds:
-        return finds[0]
+    if applications:
+        finds = list(filter(lambda x: x.ICON_NAME.lower() == type.lower(), applications))
+        if finds:
+            return finds[0]
     return None
diff --git a/oauth/templatetags/oauth_tags.py b/oauth/templatetags/oauth_tags.py
index 042fee0..8ab09d3 100644
--- a/oauth/templatetags/oauth_tags.py
+++ b/oauth/templatetags/oauth_tags.py
@@ -23,12 +23,15 @@ register = template.Library()
 @register.inclusion_tag('oauth/oauth_applications.html')
 def load_oauth_applications(request):
     applications = get_oauth_apps()
-    baseurl = reverse('oauth:oauthlogin')
-    path = request.get_full_path()
+    if applications:
+        baseurl = reverse('oauth:oauthlogin')
+        path = request.get_full_path()
 
-    apps = list(map(lambda x: (x.ICON_NAME,
-                               '{baseurl}?type={type}&next_url={next}'
-                               .format(baseurl=baseurl, type=x.ICON_NAME, next=path)), applications))
+        apps = list(map(lambda x: (x.ICON_NAME,
+                                   '{baseurl}?type={type}&next_url={next}'
+                                   .format(baseurl=baseurl, type=x.ICON_NAME, next=path)), applications))
+    else:
+        apps = []
     return {
         'apps': apps
     }
diff --git a/templates/blog/article_detail.html b/templates/blog/article_detail.html
index 2931b2d..f404410 100755
--- a/templates/blog/article_detail.html
+++ b/templates/blog/article_detail.html
@@ -51,8 +51,7 @@
         </div><!-- #content -->
         {% if article.comment_status == "o" and OPEN_SITE_COMMENT %}
 
-            {% comment %}{% load comments_tags %}
-                {% load_post_comment article from %}{% endcomment %}
+
             {% include 'comments/tags/comment_list.html' %}
             {% if user.is_authenticated %}
                 {% include 'comments/tags/post_comment.html' %}
diff --git a/templates/blog/tags/article_info.html b/templates/blog/tags/article_info.html
index 50ff92c..4f47c20 100644
--- a/templates/blog/tags/article_info.html
+++ b/templates/blog/tags/article_info.html
@@ -1,4 +1,5 @@
 {% load blog_tags %}
+{% load cache %}
 <article id="post-{{ article.pk }} "
          class="post-{{ article.pk }} post type-post status-publish format-standard hentry">
     <header class="entry-header">
@@ -31,7 +32,9 @@
         <br/>
         {% if article.type == 'a' %}
             {% if not isindex %}
-                {% load_breadcrumb article %}
+                {% cache 36000 breadcrumb article.pk %}
+                    {% load_breadcrumb article %}
+                {% endcache %}
             {% endif %}
         {% endif %}
     </header><!-- .entry-header -->
diff --git a/templates/blog/tags/article_meta_info.html b/templates/blog/tags/article_meta_info.html
index 92e53b4..4ea8173 100644
--- a/templates/blog/tags/article_meta_info.html
+++ b/templates/blog/tags/article_meta_info.html
@@ -1,29 +1,33 @@
 {% load blog_tags %}
-<footer class="entry-meta">
-    本条目发布于<a href="{{ article.get_absolute_url }}" title="{% datetimeformat article.created_time %}"
-             itemprop="datePublished" content="{% datetimeformat article.created_time %}"
-             rel="bookmark">
+{% load cache %}
+{% with article.id|add:user.is_authenticated as cachekey %}
+    {% cache 36000 metainfo cachekey %}
+        <footer class="entry-meta">
+            本条目发布于<a href="{{ article.get_absolute_url }}" title="{% datetimeformat article.created_time %}"
+                     itemprop="datePublished" content="{% datetimeformat article.created_time %}"
+                     rel="bookmark">
 
-    <time class="entry-date updated"
-          datetime="{{ article.created_time }}">
-        {% datetimeformat article.created_time %}</time>
-</a>
-    {% if article.type == 'a' %}
-        。属于<a href="{{ article.category.get_absolute_url }}" rel="category tag">{{ article.category.name }}</a>分类，
-        {% if article.tags.all %}
-            被贴了
+            <time class="entry-date updated"
+                  datetime="{{ article.created_time }}">
+                {% datetimeformat article.created_time %}</time>
+        </a>
+            {% if article.type == 'a' %}
+                。属于<a href="{{ article.category.get_absolute_url }}" rel="category tag">{{ article.category.name }}</a>
+                分类，
+                {% if article.tags.all %}
+                    被贴了
 
-            {% for t in article.tags.all %}
-                <a href="{{ t.get_absolute_url }}" rel="tag">{{ t.name }}</a>
-                {% if t != article.tags.all.last %}
-                    ，
-                {% endif %}
-            {% endfor %}
+                    {% for t in article.tags.all %}
+                        <a href="{{ t.get_absolute_url }}" rel="tag">{{ t.name }}</a>
+                        {% if t != article.tags.all.last %}
+                            ，
+                        {% endif %}
+                    {% endfor %}
 
-            标签。
-        {% endif %}
-    {% endif %}
-    <span class="by-author">作者是
+                    标签。
+                {% endif %}
+            {% endif %}
+            <span class="by-author">作者是
         <span class="author vcard">
             <a class="url fn n" href="{{ article.author.get_absolute_url }}"
                title="查看所有由{{ article.author.username }}发布的文章"
@@ -37,8 +41,11 @@
             </span>
     </a>
         </span>。
-        {% if user.is_authenticated %}
-            <a href="{{ article.get_admin_url }}">编辑</a>
-        {% endif %}
+                {% if user.is_authenticated %}
+                    <a href="{{ article.get_admin_url }}">编辑</a>
+                {% endif %}
     </span>
-</footer><!-- .entry-meta -->
\ No newline at end of file
+        </footer><!-- .entry-meta -->
+
+    {% endcache %}
+{% endwith %}
\ No newline at end of file
diff --git a/templates/comments/tags/comment_list.html b/templates/comments/tags/comment_list.html
index d3dab08..44a15a8 100644
--- a/templates/comments/tags/comment_list.html
+++ b/templates/comments/tags/comment_list.html
@@ -1,38 +1,39 @@
 <section id="comments" class="themeform">
     {% load blog_tags %}
     {% load comments_tags %}
-    {% comment %}<h3 class="heading">{{ comment_count }} 条回复</h3>{% endcomment %}
+    {% load cache %}
 
     <ul class="comment-tabs group">
         <li class="active"><a href="#commentlist-container"><i
                 class="fa fa-comments-o"></i>评论<span>{{ comment_count }}</span></a></li>
-        {% comment %}<li class=""><a href="#pinglist-container"><i class="fa fa-share"></i>引用<span>0</span></a></li>{% endcomment %}
+
     </ul>
     {% if article_comments %}
-        <div id="commentlist-container" class="comment-tab" style="display: block;">
-
-            <ol class="commentlist">
-                {% query article_comments parent_comment=None as parent_comments %}
-                {% for comment in parent_comments %}
-                    {% show_comment_item comment False %}
+        {% cache 36000 article_comments article.id %}
+            <div id="commentlist-container" class="comment-tab" style="display: block;">
 
-                    {% parse_commenttree article_comments comment as childcomments %}
-                    {% if childcomments %}
-                        <ul class="children">
-                            {% for child in childcomments %}
-                                {% show_comment_item child True %}
+                <ol class="commentlist">
+                    {% query article_comments parent_comment=None as parent_comments %}
+                    {% for comment in parent_comments %}
+                        {% show_comment_item comment False %}
 
-                            {% endfor %}
-                        </ul><!-- .children -->
-                    {% endif %}
+                        {% parse_commenttree article_comments comment as childcomments %}
+                        {% if childcomments %}
+                            <ul class="children">
+                                {% for child in childcomments %}
+                                    {% show_comment_item child True %}
 
+                                {% endfor %}
+                            </ul><!-- .children -->
+                        {% endif %}
 
-                {% endfor %}
 
-            </ol><!--/.commentlist-->
+                    {% endfor %}
 
+                </ol><!--/.commentlist-->
 
-        </div>
 
+            </div>
+        {% endcache %}
     {% endif %}
 </section>
diff --git a/templates/comments/tags/post_comment.html b/templates/comments/tags/post_comment.html
index 8f4ada2..5064f44 100644
--- a/templates/comments/tags/post_comment.html
+++ b/templates/comments/tags/post_comment.html
@@ -7,18 +7,11 @@
         </h3>
         <form action="{% url 'comments:postcomment' article.pk %}" method="post" id="commentform"
               class="comment-form">{% csrf_token %}
-            {% comment %}<p class="comment-notes"><span id="email-notes">电子邮件地址不会被公开。</span> 必填项已用<span class="required">*</span>标注
-            </p>{% endcomment %}
             <p class="comment-form-comment">
                 {{ form.body.label_tag }}
 
                 {{ form.body }}
                 {{ form.body.errors }}
-                {% comment %}<label for="comment">评论</label> <textarea id="comment" name="comment"
-                                                                                      cols="45" rows="8"
-                                                                                      maxlength="65525"
-                                                                                      aria-required="true"
-                                                                                      required="required"></textarea>{% endcomment %}
             </p>
             <p class="comment-form-author">
                 {% if not form.name.is_hidden %}
@@ -26,26 +19,13 @@
                 {% endif %}
                 {{ form.name }}
                 {{ form.name.errors }}
-                {% comment %}<label for="author">姓名 <span class="required">*</span></label>
-                <input id="author" name="author" type="text" value="" size="30" maxlength="245" aria-required='true'
-                       required='required'/></p>{% endcomment %}
-
             <p class="comment-form-email">
-                {% comment %}    <label for="email">电子邮件 <span class="required">*</span></label> <input
-                    id="email" name="email" type="text" value="" size="30" maxlength="100"
-                    aria-describedby="email-notes" aria-required='true' required='required'/>{% endcomment %}
                 {% if not form.email.is_hidden %}
                     {{ form.email.label_tag }}
                 {% endif %}
                 {{ form.email }}
                 {{ form.email.errors }}
             </p>
-            {% comment %}<p class="comment-form-url">
-                {{ form.url.label_tag }}
-                {{ form.url }}
-                {{ form.url.errors }}
-
-            </p>{% endcomment %}
             {{ form.parent_comment_id }}
             <div class="form-submit">
                 <span class="comment-markdown"> 支持markdown</span>