diff --git a/DjangoBlog/settings.py b/DjangoBlog/settings.py
index 16797e7..b51a2d0 100644
--- a/DjangoBlog/settings.py
+++ b/DjangoBlog/settings.py
@@ -144,7 +144,7 @@ HAYSTACK_CONNECTIONS = {
 }
 # 自动更新搜索索引
 HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
-#允许使用用户名或密码登录
+# 允许使用用户名或密码登录
 AUTHENTICATION_BACKENDS = ['accounts.user_login_backend.EmailOrUsernameModelBackend']
 
 STATIC_ROOT = os.path.join(SITE_ROOT, 'collectedstatic')
@@ -194,6 +194,10 @@ CACHES = {
 CACHE_MIDDLEWARE_SECONDS = 60 * 60 * 10
 CACHE_MIDDLEWARE_KEY_PREFIX = "djangoblog"
 CACHE_MIDDLEWARE_ALIAS = 'default'
+
+SESSION_ENGINE = "django.contrib.sessions.backends.cache"
+SESSION_CACHE_ALIAS = 'default'
+
 OAHUTH = {
     'sina': {
         'appkey': '3161614143',
@@ -207,7 +211,7 @@ OAHUTH = {
     }
 }
 
-SITE_ID = 2
+SITE_ID = 1
 BAIDU_NOTIFY_URL = "http://data.zz.baidu.com/urls?site=https://www.lylinux.net&token=1uAOGrMsUm5syDGn&type=original"
 
 # Emial:
diff --git a/DjangoBlog/utils.py b/DjangoBlog/utils.py
index 35f6e35..6d6e3f2 100644
--- a/DjangoBlog/utils.py
+++ b/DjangoBlog/utils.py
@@ -21,22 +21,39 @@ from pygments.formatters import html
 import logging
 
 logger = logging.getLogger('djangoblog')
+from importlib import import_module
+from django.conf import settings
 
+SessionStore = import_module(settings.SESSION_ENGINE).SessionStore
 
-def cache_decorator(expiration=3 * 60, cache_key=None):
+
+def get_max_articleid_commentid():
+    from blog.models import Article
+    from comments.models import Comment
+    return (Article.objects.latest().pk, Comment.objects.latest().pk)
+
+
+def cache_decorator(expiration=3 * 60):
     def wrapper(func):
         def news(*args, **kwargs):
-            key = cache_key
+            key = ''
+            try:
+                view = args[0]
+                key = view.get_cache_key()
+            except:
+                key = None
+                pass
             if not key:
                 unique_str = repr((func, args, kwargs))
+
                 m = md5(unique_str.encode('utf-8'))
                 key = m.hexdigest()
             value = cache.get(key)
             if value:
-                logger.info('cache_decorator get cache %s' % func.__name__)
+                logger.info('cache_decorator get cache:%s key:%s' % (func.__name__, key))
                 return value
             else:
-                logger.info('cache_decorator set cache %s' % func.__name__)
+                logger.info('cache_decorator set cache:%s key:%s' % (func.__name__, key))
                 value = func(*args, **kwargs)
                 cache.set(key, value, expiration)
                 return value
@@ -46,6 +63,23 @@ def cache_decorator(expiration=3 * 60, cache_key=None):
     return wrapper
 
 
+def expire_view_cache(path, servername, serverport, key_prefix=None):
+    from django.http import HttpRequest
+    from django.utils.cache import get_cache_key
+
+    request = HttpRequest()
+    request.META = {'SERVER_NAME': servername, 'SERVER_PORT': serverport}
+    request.path = path
+
+    key = get_cache_key(request, key_prefix=key_prefix, cache=cache)
+    if key:
+        logger.info('expire_view_cache:get key:{path}'.format(path=path))
+        if cache.get(key):
+            cache.delete(key)
+        return True
+    return False
+
+
 def block_code(text, lang, inlinestyles=False, linenos=False):
     if not lang:
         text = text.strip()
diff --git a/accounts/urls.py b/accounts/urls.py
index d753d24..dfd248d 100644
--- a/accounts/urls.py
+++ b/accounts/urls.py
@@ -22,5 +22,5 @@ from .forms import LoginForm
 urlpatterns = [
     url(r'^login/$', views.LoginView.as_view(success_url='/'), name='login', kwargs={'authentication_form': LoginForm}),
     url(r'^register/$', views.RegisterView.as_view(success_url="/"), name='register'),
-    url(r'^logout/$', views.logout, name='logout')
+    url(r'^logout/$', views.LogoutView.as_view(), name='logout')
 ]
diff --git a/accounts/views.py b/accounts/views.py
index 55ad8e8..7312387 100644
--- a/accounts/views.py
+++ b/accounts/views.py
@@ -1,16 +1,21 @@
 from django.shortcuts import render
 
-from django.contrib.auth.views import login, logout
 from .forms import RegisterForm, LoginForm
-from django.contrib.auth import authenticate
-from django.views.generic.edit import FormView
+from django.contrib.auth import authenticate, login, logout
+# from django.views.generic.edit import FormView
+from django.views.generic import FormView, RedirectView
 from django.contrib.auth import get_user_model
 from django.http import HttpResponseRedirect
 from django.core.urlresolvers import reverse
 from django.contrib.auth.forms import AuthenticationForm, UserCreationForm
+from django.contrib.auth import REDIRECT_FIELD_NAME
+from django.views.decorators.csrf import csrf_protect
 from django.contrib import auth
 from django.views.decorators.cache import never_cache
 from django.shortcuts import redirect
+from django.utils.decorators import method_decorator
+from django.views.decorators.debug import sensitive_post_parameters
+from django.utils.http import is_safe_url
 
 
 # Create your views here.
@@ -26,20 +31,39 @@ class RegisterView(FormView):
         return HttpResponseRedirect(url)
 
 
-@never_cache
-def LogOut(requests):
-    logout(request=requests, next_page='index')
-    return redirect('index')
+class LogoutView(RedirectView):
+    url = '/login/'
+
+    @method_decorator(never_cache)
+    def dispatch(self, request, *args, **kwargs):
+        return super(LogoutView, self).dispatch(request, *args, **kwargs)
+
+    def get(self, request, *args, **kwargs):
+        from DjangoBlog.utils import cache
+        cache.clear()
+        logout(request)
+        return super(LogoutView, self).get(request, *args, **kwargs)
 
 
 class LoginView(FormView):
     form_class = LoginForm
     template_name = 'account/login.html'
+    success_url = '/'
+    redirect_field_name = REDIRECT_FIELD_NAME
+
+    @method_decorator(sensitive_post_parameters('password'))
+    @method_decorator(csrf_protect)
+    @method_decorator(never_cache)
+    def dispatch(self, request, *args, **kwargs):
+
+        return super(LoginView, self).dispatch(request, *args, **kwargs)
 
     def form_valid(self, form):
         form = AuthenticationForm(data=self.request.POST, request=self.request)
 
         if form.is_valid():
+            from DjangoBlog.utils import cache
+            cache.clear()
             # login(self.request, form.get_user())
             auth.login(self.request, form.get_user())
 
@@ -48,3 +72,9 @@ class LoginView(FormView):
             return self.render_to_response({
                 'form': form
             })
+
+    def get_success_url(self):
+        redirect_to = self.request.GET.get(self.redirectfieldname)
+        if not is_safe_url(url=redirect_to, host=self.request.get_host()):
+            redirect_to = self.success_url
+        return redirect_to
diff --git a/blog/admin.py b/blog/admin.py
index 50782e2..5c646ed 100644
--- a/blog/admin.py
+++ b/blog/admin.py
@@ -17,9 +17,14 @@ class ArticleForm(forms.ModelForm):
 class ArticlelAdmin(admin.ModelAdmin):
     form = ArticleForm
 
+    def save_model(self, request, obj, form, change):
+        super(ArticlelAdmin, self).save_model(request, obj, form, change)
+        from DjangoBlog.utils import cache
+        cache.clear()
+
 
 admin.site.register(Article, ArticlelAdmin)
-#admin.site.register(BlogPage, ArticlelAdmin)
+# admin.site.register(BlogPage, ArticlelAdmin)
 admin.site.register(Category)
 admin.site.register(Tag)
 admin.site.register(Links)
diff --git a/blog/context_processors.py b/blog/context_processors.py
index 872376e..74fabc6 100644
--- a/blog/context_processors.py
+++ b/blog/context_processors.py
@@ -14,9 +14,8 @@
 """
 from .models import Category, Article, Tag
 from django.conf import settings
-from django.core.cache import cache
-
-from DjangoBlog.utils import logger
+from comments.models import Comment
+from DjangoBlog.utils import logger, cache
 
 
 def seo_processor(requests):
@@ -36,7 +35,9 @@ def seo_processor(requests):
             'SITE_BASE_URL': requests.scheme + '://' + requests.get_host() + '/',
             'ARTICLE_SUB_LENGTH': settings.ARTICLE_SUB_LENGTH,
             'nav_category_list': Category.objects.all(),
-            'nav_pages': Article.objects.filter(type='p', status='p')
+            'nav_pages': Article.objects.filter(type='p', status='p'),
+            'MAX_COMMENTID': Comment.objects.latest().pk,
+            'MAX_ARTICLEID': Article.objects.latest().pk
         }
         cache.set(key, value, 60 * 60 * 10)
         return value
diff --git a/blog/models.py b/blog/models.py
index dd9f900..f2f5ed2 100644
--- a/blog/models.py
+++ b/blog/models.py
@@ -68,6 +68,7 @@ class Article(BaseModel):
         ordering = ['-pub_time']
         verbose_name = "文章"
         verbose_name_plural = verbose_name
+        get_latest_by = 'created_time'
 
     def get_absolute_url(self):
 
@@ -110,10 +111,11 @@ class Article(BaseModel):
         self.views += 1
         self.save(update_fields=['views'])
 
-    @cache_decorator(60 * 60 * 10)
+    """
     def comment_list(self):
         comments = self.comment_set.all()
         parent_comments = comments.filter(parent_comment=None)
+    """
 
     def get_admin_url(self):
         info = (self._meta.app_label, self._meta.model_name)
diff --git a/blog/urls.py b/blog/urls.py
index 5588df9..1bb0c31 100644
--- a/blog/urls.py
+++ b/blog/urls.py
@@ -20,12 +20,21 @@ from haystack.forms import ModelSearchForm
 from haystack.query import SearchQuerySet
 from haystack.views import SearchView
 
+
+def key_prefixer(request):
+    # if it's not there, don't cache
+    # return request.GET.get('number')
+    return "123"
+
+
 urlpatterns = [
     url(r'^$', views.IndexView.as_view(), name='index'),
     url(r'^page/(?P<page>\d+)$', views.IndexView.as_view(), name='index_page'),
     url(r'^article/(?P<year>\d+)/(?P<month>\d+)/(?P<day>\d+)/(?P<article_id>\d+)-(?P<slug>\S+).html$',
-        cache_page(60 * 60 * 10)(views.ArticleDetailView.as_view()),
+        # cache_page(60 * 60 * 10, key_prefix="blogdetail")(views.ArticleDetailView.as_view()),
+        views.ArticleDetailView.as_view(),
         name='detail'),
+
     url(r'^blogpage/(?P<year>\d+)/(?P<month>\d+)/(?P<day>\d+)/(?P<page_id>\d+)-(?P<slug>\S+).html$',
         views.ArticleDetailView.as_view(),
         name='pagedetail'),
diff --git a/blog/views.py b/blog/views.py
index 5df1f8f..8af6f5b 100644
--- a/blog/views.py
+++ b/blog/views.py
@@ -2,6 +2,8 @@ from django.shortcuts import render
 
 # Create your views here.
 from django.views.generic.list import ListView
+from django.views.generic import TemplateView
+from django.views.decorators.cache import cache_page
 from django.views.generic.detail import DetailView
 from django.views.generic import UpdateView
 from django.views.generic.edit import CreateView, FormView
@@ -22,6 +24,9 @@ from django.views.decorators.csrf import csrf_exempt
 import os
 from django.contrib.auth.decorators import login_required
 from DjangoBlog.utils import cache, cache_decorator
+from django.utils.cache import get_cache_key
+from django.utils.decorators import classonlymethod
+from django.utils.decorators import method_decorator
 
 """
 class SeoProcessor():
@@ -41,7 +46,16 @@ class SeoProcessor():
 """
 
 
-class ArticleListView(ListView):
+class CachedTemplateView(ListView):
+    @classonlymethod
+    def as_view(cls, **initkwargs):
+        # print(request)
+
+        view = super(CachedTemplateView, cls).as_view(**initkwargs)
+        return cache_page(60 * 60 * 10)(view)
+
+
+class ArticleListView(CachedTemplateView):
     # template_name属性用于指定使用哪个模板进行渲染
     template_name = 'blog/article_index.html'
 
@@ -53,15 +67,25 @@ class ArticleListView(ListView):
     paginate_by = settings.PAGINATE_BY
     page_kwarg = 'page'
 
+    def get_cache_key(self):
+        raise NotImplementedError("implement this function")
+
 
 class IndexView(ArticleListView):
     def get_queryset(self):
+        """
+        try:
+            # _auth_user_id
+            from DjangoBlog.utils import SessionStore
+            s = SessionStore(session_key='_auth_user_id')
+            print(s)
+        except:
+            pass
+        """
         article_list = Article.objects.filter(type='a', status='p')
-
         # for article in article_list:
         #     article.body = article.body[0:settings.ARTICLE_SUB_LENGTH]
         #     # article.body = markdown2.markdown(article.body)
-
         return article_list
 
 
@@ -80,7 +104,7 @@ class ArticleDetailView(DetailView):
 
     def get_context_data(self, **kwargs):
         articleid = int(self.kwargs[self.pk_url_kwarg])
-        print(str(articleid) + "get_context_data")
+
         comment_form = CommentForm()
         u = self.request.user
 
@@ -92,7 +116,6 @@ class ArticleDetailView(DetailView):
             user = self.request.user
             comment_form.fields["email"].initial = user.email
             comment_form.fields["name"].initial = user.username
-        key = "article_comment_{}".format(articleid)
 
         article_comments = self.object.comment_set.all()
 
@@ -105,7 +128,14 @@ class ArticleDetailView(DetailView):
 
         return super(ArticleDetailView, self).get_context_data(**kwargs)
 
-    """
+    @classonlymethod
+    def as_view(cls, **initkwargs):
+        self = cls(**initkwargs)
+        keyperfix = "blogdetail"
+        return cache_page(60 * 60 * 10, key_prefix=keyperfix)(super(ArticleDetailView, cls).as_view(**initkwargs))
+
+
+"""
     def post(self, request, *args, **kwargs):
         form = CommentForm(request.POST)
 
@@ -114,7 +144,6 @@ class ArticleDetailView(DetailView):
             pass
     """
 
-
 '''
 class PageDetailView(ArticleDetailView):
     model = BlogPage
@@ -135,6 +164,11 @@ class CategoryDetailView(ArticleListView):
 
     # pk_url_kwarg = 'article_name'
     page_type = "分类目录归档"
+    """
+    def get_cache_key(self):
+        categoryname = self.kwargs['category_name']
+        return "category_list:{categoryname}".format(categoryname=categoryname)
+    """
 
     def get_queryset(self):
         categoryname = self.kwargs['category_name']
@@ -162,7 +196,6 @@ class AuthorDetailView(ArticleListView):
 
     def get_queryset(self):
         author_name = self.kwargs['author_name']
-
         article_list = Article.objects.filter(author__username=author_name)
         return article_list
 
@@ -189,7 +222,6 @@ class TagDetailView(ArticleListView):
 
     def get_queryset(self):
         tag_name = self.kwargs['tag_name']
-
         article_list = Article.objects.filter(tags__name=tag_name)
         return article_list
 
diff --git a/comments/models.py b/comments/models.py
index c1a9c9d..61650f3 100644
--- a/comments/models.py
+++ b/comments/models.py
@@ -25,6 +25,7 @@ class Comment(models.Model):
         ordering = ['created_time']
         verbose_name = "评论"
         verbose_name_plural = verbose_name
+        get_latest_by = 'created_time'
 
     def send_comment_email(self, msg):
         try:
diff --git a/comments/views.py b/comments/views.py
index c474d91..ce33037 100644
--- a/comments/views.py
+++ b/comments/views.py
@@ -6,12 +6,20 @@ from blog.models import Article
 from .forms import CommentForm
 from django.views.generic.edit import FormView
 from django.http import HttpResponseRedirect
-from django.core.urlresolvers import reverse
 from django.contrib.auth import get_user_model
 from django import forms
+
+"""
+from django.core.urlresolvers import reverse
 from django.contrib import auth
+from django.utils.decorators import method_decorator
+from django.views.decorators.cache import never_cache
+from django.views.decorators.csrf import csrf_protect
+from django.contrib.auth.decorators import login_required
+"""
 
 
+# @method_decorator(login_required,name='dispatch')
 class CommentPostView(FormView):
     form_class = CommentForm
     template_name = 'blog/article_detail.html'
@@ -64,5 +72,12 @@ class CommentPostView(FormView):
             comment.parent_comment = parent_comment
 
         comment.save(True)
-        # return HttpResponseRedirect(article.get_absolute_url() + "#div-comment-" + comment.pk)
+        from DjangoBlog.utils import expire_view_cache, cache
+        from django.contrib.sites.models import Site
+        path = article.get_absolute_url()
+        site = Site.objects.get_current().domain
+
+        expire_view_cache(path, servername=site, serverport=self.request.get_port(), key_prefix='blogdetail')
+        if cache.get('seo_processor'):
+            cache.delete('seo_processor')
         return HttpResponseRedirect("%s#div-comment-%d" % (article.get_absolute_url(), comment.pk))
diff --git a/templates/share_layout/base.html b/templates/share_layout/base.html
index 87f4a2c..5480514 100644
--- a/templates/share_layout/base.html
+++ b/templates/share_layout/base.html
@@ -65,7 +65,7 @@
         {% block content %}
         {% endblock %}
 
-        {% cache 36000 sidebar request.user.username %}
+        {% cache 36000 sidebar request.user.username MAX_COMMENTID MAX_ARTICLEID %}
             {% block sidebar %}
             {% endblock %}
         {% endcache %}