diff --git a/DjangoBlog/blog_signals.py b/DjangoBlog/blog_signals.py
new file mode 100644
index 0000000..8e33bfd
--- /dev/null
+++ b/DjangoBlog/blog_signals.py
@@ -0,0 +1,100 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+
+"""
+@version: ??
+@author: liangliangyy
+@license: MIT Licence 
+@contact: liangliangyy@gmail.com
+@site: https://www.lylinux.org/
+@software: PyCharm
+@file: blog_signals.py
+@time: 2017/8/12 上午10:18
+"""
+
+import django.dispatch
+from django.dispatch import receiver
+from django.conf import settings
+from DjangoBlog.utils import cache, send_email, expire_view_cache, logger
+from DjangoBlog.spider_notify import SpiderNotify
+from django.contrib.sites.models import Site
+
+comment_save_signal = django.dispatch.Signal(providing_args=["comment_id", "username", "serverport"])
+article_save_signal = django.dispatch.Signal(providing_args=['id', 'is_update_views'])
+user_login_logout_signal = django.dispatch.Signal(providing_args=['id', 'type'])
+
+
+@receiver(article_save_signal)
+def article_save_callback(sender, **kwargs):
+    id = kwargs['id']
+    is_update_views = kwargs['is_update_views']
+    type = sender.__name__
+    obj = None
+    from blog.models import Article, Category, Tag
+    if type == 'Article':
+        obj = Article.objects.get(id=id)
+    elif type == 'Category':
+        obj = Category.objects.get(id=id)
+    elif type == 'Tag':
+        obj = Tag.objects.get(id=id)
+    if obj is not None:
+        if not settings.TESTING and not is_update_views:
+            try:
+                notify_url = obj.get_full_url()
+                SpiderNotify.baidu_notify([notify_url])
+            except Exception as ex:
+                logger.error("notify sipder", ex)
+                print(ex)
+
+
+@receiver(comment_save_signal)
+def comment_save_callback(sender, **kwargs):
+    from comments.models import Comment
+
+    serverport = kwargs['serverport']
+    username = kwargs['username']
+    comment = Comment.objects.get(id=kwargs['comment_id'])
+    site = Site.objects.get_current().domain
+    article = comment.article
+    # if not settings.DEBUG:
+    if True:
+        subject = '感谢您发表的评论'
+        article_url = "https://{site}{path}".format(site=site, path=comment.article.get_absolute_url())
+        html_content = """
+        <p>非常感谢您在本站发表评论</p>
+        您可以访问
+        <a href="%s" rel="bookmark">%s</a>
+        来查看您的评论，
+        再次感谢您！
+        <br />
+        如果上面链接无法打开，请将此链接复制至浏览器。
+        %s
+        """ % (article_url, comment.article.title, article_url)
+        tomail = comment.author.email
+        send_email([tomail], subject, html_content)
+
+        if comment.parent_comment:
+            html_content = """
+            您在 <a href="%s" rel="bookmark">%s</a> 的评论 <br/> %s <br/> 收到回复啦.快去看看吧
+            <br/>
+            如果上面链接无法打开，请将此链接复制至浏览器。
+            %s
+            """ % (article_url, article.title, comment.parent_comment.body, article_url)
+            tomail = comment.parent_comment.author.email
+            send_email([tomail], subject, html_content)
+
+    path = article.get_absolute_url()
+    site = Site.objects.get_current().domain
+    if site.find(':') > 0:
+        site = site[0:site.find(':')]
+
+    expire_view_cache(path, servername=site, serverport=serverport, key_prefix='blogdetail')
+    if cache.get('seo_processor'):
+        cache.delete('seo_processor')
+    comment_cache_key = 'article_comments_{id}'.format(id=article.id)
+    cache.delete(comment_cache_key)
+    from django.core.cache.utils import make_template_fragment_key
+
+    key = make_template_fragment_key('sidebar', [username])
+    cache.delete(key)
diff --git a/DjangoBlog/utils.py b/DjangoBlog/utils.py
index c1516a3..6b44ff3 100644
--- a/DjangoBlog/utils.py
+++ b/DjangoBlog/utils.py
@@ -23,6 +23,7 @@ from pygments.formatters import html
 import logging
 import _thread
 from django.core.mail import EmailMultiAlternatives
+from django.conf import settings
 
 logger = logging.getLogger('djangoblog')
 
@@ -144,18 +145,10 @@ class CommonMarkdown():
         return mdp(value)
 
 
-def send_email(subject, html_content, tomail):
-    msg = EmailMultiAlternatives(subject, html_content, from_email='no-reply@lylinux.net', to=tomail)
+def send_email(emailto, title, content):
+    msg = EmailMultiAlternatives(title, content, from_email=settings.DEFAULT_FROM_EMAIL, to=emailto)
     msg.content_subtype = "html"
-
-    def send_comment_email(msg):
-        try:
-            msg.send()
-        except:
-            print('send email error')
-            pass
-
-    _thread.start_new_thread(send_comment_email, (msg,))
+    _thread.start_new_thread(msg.send, (msg,))
 
 
 def parse_dict_to_url(dict):
diff --git a/blog/models.py b/blog/models.py
index 28d8fc2..22f8436 100644
--- a/blog/models.py
+++ b/blog/models.py
@@ -2,7 +2,7 @@ from django.db import models
 from django.core.urlresolvers import reverse
 from django.conf import settings
 from uuslug import slugify
-from DjangoBlog.spider_notify import SpiderNotify
+
 from django.contrib.sites.models import Site
 from DjangoBlog.utils import cache_decorator, logger, cache
 from django.utils.functional import cached_property
@@ -12,21 +12,15 @@ class BaseModel(models.Model):
     slug = models.SlugField(default='no-slug', max_length=60, blank=True)
 
     def save(self, *args, **kwargs):
+        from DjangoBlog.blog_signals import article_save_signal
         if not self.slug or self.slug == 'no-slug' or not self.id:
-            # Only set the slug when the object is created.
             slug = self.title if 'title' in self.__dict__ else self.name
             self.slug = slugify(slug)
         super().save(*args, **kwargs)
-
-        if 'update_fields' in kwargs and len(kwargs['update_fields']) == 1 and kwargs['update_fields'][0] == 'views':
-            return
-        try:
-            if not settings.TESTING:
-                notify_url = self.get_full_url()
-                SpiderNotify.baidu_notify([notify_url])
-        except Exception as ex:
-            logger.error("notify sipder", ex)
-            print(ex)
+        # type = self.__class__.__name__
+        is_update_views = 'update_fields' in kwargs and len(kwargs['update_fields']) == 1 and kwargs['update_fields'][
+                                                                                                  0] == 'views'
+        article_save_signal.send(sender=self.__class__, is_update_views=is_update_views, id=self.id)
 
     def get_full_url(self):
         site = Site.objects.get_current().domain
@@ -82,17 +76,6 @@ class Article(BaseModel):
             'day': self.created_time.day
         })
 
-        # todo remove
-        """
-        return reverse('blog:detail', kwargs={
-            'article_id': self.id,
-            'year': self.created_time.year,
-            'month': self.created_time.month,
-            'day': self.created_time.day,
-            'slug': self.slug
-        })
-        """
-
     @cache_decorator(60 * 60 * 10)
     def get_category_tree(self):
         tree = self.category.get_category_tree()
@@ -101,17 +84,10 @@ class Article(BaseModel):
         return names
 
     def save(self, *args, **kwargs):
-        # self.summary = self.summary or self.body[:settings.ARTICLE_SUB_LENGTH]
         if not self.slug or self.slug == 'no-slug' or not self.id:
             # Only set the slug when the object is created.
             self.slug = slugify(self.title)
-            """
-            try:
-                notify = sipder_notify()
-                notify.notify(self.get_full_url())
-            except Exception as e:
-                print(e)
-            """
+
         super().save(*args, **kwargs)
 
     def viewed(self):
diff --git a/comments/forms.py b/comments/forms.py
index afb750c..3cf8fda 100644
--- a/comments/forms.py
+++ b/comments/forms.py
@@ -18,28 +18,6 @@ from django.forms import ModelForm
 from django.contrib.auth.models import User
 from django.contrib.auth import get_user_model
 
-"""
-class CommentForm(forms.Form):
-    url = forms.URLField(label='网址', required=False)
-    email = forms.EmailField(label='电子邮箱', required=False)
-    name = forms.CharField(label='姓名')
-    body = forms.CharField(widget=forms.Textarea, label='评论')
-    parent_comment_id = forms.IntegerField(widget=forms.HiddenInput, required=False)
-
-
-
-class LoginCommentForm(ModelForm):
-    url = forms.URLField(label='网址', required=False)
-    email = forms.EmailField(label='电子邮箱', required=False, widget=forms.HiddenInput)
-    name = forms.CharField(label='姓名', widget=forms.HiddenInput)
-    parent_comment_id = forms.IntegerField(widget=forms.HiddenInput, required=False)
-    def __init__(self):
-        pass
-    class Meta:
-        model = Comment
-        fields = ['body']
-"""
-
 
 class CommentForm(ModelForm):
     url = forms.URLField(label='网址', required=False)
@@ -49,21 +27,6 @@ class CommentForm(ModelForm):
                                                                'aria-required': 'true'}
                                                               ))
     parent_comment_id = forms.IntegerField(widget=forms.HiddenInput, required=False)
-    """
-    if get_user_model().is_authenticated:
-        email = forms.EmailField(label='电子邮箱', required=False, widget=forms.HiddenInput)
-        name = forms.CharField(label='姓名', widget=forms.HiddenInput)
-    """
-    """
-    def __init__(self, user, *args, **kwargs):
-        self.user = user
-        super(CommentForm, self).__init__(*args, **kwargs)
-        if self.user.is_authenticated:
-            self.fields.update({
-                'email': forms.CharField(widget=forms.HiddenInput()),
-                'name': forms.CharField(widget=forms.HiddenInput()),
-            })
-    """
 
     class Meta:
         model = Comment
diff --git a/comments/models.py b/comments/models.py
index 6b5a22e..b13b780 100644
--- a/comments/models.py
+++ b/comments/models.py
@@ -1,11 +1,7 @@
 from django.db import models
 from django.conf import settings
-from django.core.mail import send_mail
-from django.core.mail import EmailMultiAlternatives
-from django.contrib.sites.models import Site
-import _thread
 from blog.models import Article
-from DjangoBlog.utils import cache
+from DjangoBlog.utils import logger
 
 
 # Create your models here.
@@ -24,50 +20,8 @@ class Comment(models.Model):
         verbose_name_plural = verbose_name
         get_latest_by = 'created_time'
 
-    def send_comment_email(self, msg):
-        try:
-            msg.send()
-        except:
-            pass
-
     def __str__(self):
         return self.body
 
     def save(self, *args, **kwargs):
         super().save(*args, **kwargs)
-        if not settings.DEBUG:
-            subject = '感谢您发表的评论'
-            site = Site.objects.get_current().domain
-            article_url = "https://{site}{path}".format(site=site, path=self.article.get_absolute_url())
-            html_content = """
-            <p>非常感谢您在本站发表评论</p>
-            您可以访问
-            <a href="%s" rel="bookmark">%s</a>
-            来查看您的评论，
-            再次感谢您！
-            <br />
-            如果上面链接无法打开，请将此链接复制至浏览器。
-            %s
-            """ % (article_url, self.article.title, article_url)
-            tomail = self.author.email
-            msg = EmailMultiAlternatives(subject, html_content, from_email='no-reply@lylinux.net', to=[tomail])
-
-            msg.content_subtype = "html"
-
-            _thread.start_new_thread(self.send_comment_email, (msg,))
-
-            if self.parent_comment:
-                html_content = """
-                您在 <a href="%s" rel="bookmark">%s</a> 的评论 <br/> %s <br/> 收到回复啦.快去看看吧
-                <br/>
-                如果上面链接无法打开，请将此链接复制至浏览器。
-                %s
-                """ % (article_url, self.article.title, self.parent_comment.body, article_url)
-                tomail = self.parent_comment.author.email
-                msg = EmailMultiAlternatives(subject, html_content, from_email='no-reply@lylinux.net', to=[tomail])
-                msg.content_subtype = "html"
-
-                _thread.start_new_thread(self.send_comment_email, (msg,))
-
-        def __str__(self):
-            return self.body
diff --git a/comments/views.py b/comments/views.py
index 0c8bf7d..34c9338 100644
--- a/comments/views.py
+++ b/comments/views.py
@@ -62,25 +62,14 @@ class CommentPostView(FormView):
             comment.parent_comment = parent_comment
 
         comment.save(True)
-        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
-        if site.find(':') > 0:
-            site = site[0:site.find(':')]
+
+        from DjangoBlog.blog_signals import comment_save_signal
         port = 80
         try:
             # django1.8 没有这个方法...
             port = self.request.get_port()
         except:
             pass
-        expire_view_cache(path, servername=site, serverport=port, key_prefix='blogdetail')
-        if cache.get('seo_processor'):
-            cache.delete('seo_processor')
-        comment_cache_key = 'article_comments_{id}'.format(id=article_id)
-        cache.delete(comment_cache_key)
-        from django.core.cache.utils import make_template_fragment_key
         username = self.request.user.username if self.request.user else ''
-        key = make_template_fragment_key('sidebar', [username])
-        cache.delete(key)
+        comment_save_signal.send(sender=self.__class__, comment_id=comment.id, username=username, serverport=port)
         return HttpResponseRedirect("%s#div-comment-%d" % (article.get_absolute_url(), comment.pk))
diff --git a/oauth/admin.py b/oauth/admin.py
index 9d73829..8ec2eec 100644
--- a/oauth/admin.py
+++ b/oauth/admin.py
@@ -11,12 +11,3 @@ class OAuthUserAdmin(admin.ModelAdmin):
 
 
 admin.site.register(OAuthUser, OAuthUserAdmin)
-"""
-author = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name='用户', blank=True, null=True)
-    openid = models.CharField(max_length=50)
-    nikename = models.CharField(max_length=50, verbose_name='昵称')
-    token = models.CharField(max_length=150)
-    picture = models.CharField(max_length=350, blank=True, null=True)
-    type = models.CharField(blank=False, null=False, max_length=50)
-    email = models.CharField(max_length=50, null=True, blank=True)
-"""
diff --git a/oauth/urls.py b/oauth/urls.py
index a10fc7e..c0bc44a 100644
--- a/oauth/urls.py
+++ b/oauth/urls.py
@@ -24,13 +24,3 @@ urlpatterns = [
     url(r'^oauth/bindsuccess/(?P<oauthid>\d+).html', views.bindsuccess, name='bindsuccess'),
     url(r'^oauth/oauthlogin$', views.oauthlogin,name='oauthlogin')
 ]
-
-"""
-urlpatterns = [
-    url(r'^oauth/wbauthorize/(?P<sitename>\w+)$', views.wbauthorize),
-    url(r'^oauth/wboauthurl$', views.wboauthurl),
-    # url(r'^oauth/wbauthorize/(?P<sitename>\w+)$', views.wbauthorize),
-    url(r'^oauth/googleoauthurl', views.googleoauthurl),
-    url(r'^oauth/googleauthorize', views.googleauthorize),
-]
-"""
diff --git a/oauth/views.py b/oauth/views.py
index d721284..58b96df 100644
--- a/oauth/views.py
+++ b/oauth/views.py
@@ -80,12 +80,7 @@ def authorize(request):
             login(request, author)
             return HttpResponseRedirect(nexturl)
         if not email:
-            # todo
-            # 未避免用户名重复，暂时使用oauth用户名+openid这种方式来创建用户
-            # author = get_user_model().objects.get_or_create(username=user.nikename + '_' + str(user.openid))[0]
-            # user.author = author
             user.save()
-
             url = reverse('oauth:require_email', kwargs={
                 'oauthid': user.id
             })
@@ -120,7 +115,7 @@ def emailconfirm(request, id, sign):
     login(request, author)
 
     site = Site.objects.get_current().domain
-    send_email('恭喜您绑定成功!', '''
+    content = '''
      <p>恭喜您，您已经成功绑定您的邮箱，您可以使用{type}来直接免密码登录本网站.欢迎您继续关注本站，地址是</p>
 
                 <a href="{url}" rel="bookmark">{url}</a>
@@ -129,7 +124,9 @@ def emailconfirm(request, id, sign):
                 <br />
                 如果上面链接无法打开，请将此链接复制至浏览器。
                 {url}
-    '''.format(type=oauthuser.type, url='http://' + site), [oauthuser.email, ])
+    '''.format(type=oauthuser.type, url='http://' + site)
+
+    send_email(emailto=[oauthuser.email, ], title='恭喜您绑定成功!', content=content)
     url = reverse('oauth:bindsuccess', kwargs={
         'oauthid': id
     })
@@ -190,7 +187,7 @@ class RequireEmailView(FormView):
                 如果上面链接无法打开，请将此链接复制至浏览器。
                 {url}
                 """.format(url=url)
-        send_email('绑定您的电子邮箱', content, [email, ])
+        send_email(emailto=[email, ], title='绑定您的电子邮箱', content=content)
         url = reverse('oauth:bindsuccess', kwargs={
             'oauthid': oauthid
         })
diff --git a/requirements.txt b/requirements.txt
index 259a207..d2f7273 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 appdirs==1.4.3
-Django==1.11.2
+Django==1.11.4
 django-appconf==1.0.2
 django-autoslug==1.9.3
 django-compressor==2.1.1
@@ -13,7 +13,7 @@ markdown2==2.3.4
 mistune==0.7.4
 olefile==0.44
 packaging==16.8
-Pillow==4.1.1
+Pillow==4.2.1
 Pygments==2.2.0
 PyMySQL==0.7.11
 pyparsing==2.2.0
@@ -21,10 +21,10 @@ python-memcached==1.58
 python-slugify==1.2.4
 pytz==2017.2
 rcssmin==1.0.6
-requests==2.17.3
+requests==2.18.3
 rjsmin==1.0.12
 six==1.10.0
 sqlparse==0.2.3
-Unidecode==0.4.20
+Unidecode==0.4.21
 webencodings==0.5.1
 Whoosh==2.7.4
diff --git a/travis_test/requirements.txt b/travis_test/requirements.txt
index f87da8c..a148d60 100644
--- a/travis_test/requirements.txt
+++ b/travis_test/requirements.txt
@@ -1,5 +1,5 @@
 appdirs==1.4.3
-Django==1.11.2
+Django==1.11.4
 django-appconf==1.0.2
 django-autoslug==1.9.3
 django-compressor==2.1.1
@@ -13,17 +13,17 @@ markdown2==2.3.4
 mistune==0.7.4
 olefile==0.44
 packaging==16.8
-Pillow==4.1.1
+Pillow==4.2.1
 Pygments==2.2.0
 PyMySQL==0.7.11
 pyparsing==2.2.0
 python-slugify==1.2.4
 pytz==2017.2
 rcssmin==1.0.6
-requests==2.17.3
+requests==2.18.3
 rjsmin==1.0.12
 six==1.10.0
 sqlparse==0.2.3
-Unidecode==0.4.20
+Unidecode==0.4.21
 webencodings==0.5.1
 Whoosh==2.7.4