diff --git a/DjangoBlog/admin_site.py b/DjangoBlog/admin_site.py
index 502cf9b..87b008a 100644
--- a/DjangoBlog/admin_site.py
+++ b/DjangoBlog/admin_site.py
@@ -13,10 +13,10 @@
 @time: 2018/1/7 上午2:21
 """
 from django.contrib.admin import AdminSite
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from django.contrib.sites.admin import SiteAdmin
 from django.contrib.admin.models import LogEntry
-
+from django.contrib.sites.models import Site
 from DjangoBlog.logentryadmin import LogEntryAdmin
 from blog.admin import *
 from accounts.admin import *
diff --git a/DjangoBlog/blog_signals.py b/DjangoBlog/blog_signals.py
index b59c039..f05ee6f 100644
--- a/DjangoBlog/blog_signals.py
+++ b/DjangoBlog/blog_signals.py
@@ -17,7 +17,7 @@ import django.dispatch
 from django.dispatch import receiver
 from django.conf import settings
 from django.contrib.admin.models import LogEntry
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 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
@@ -65,7 +65,7 @@ def send_email_signal_handler(sender, **kwargs):
 def oauth_user_login_signal_handler(sender, **kwargs):
     id = kwargs['id']
     oauthuser = OAuthUser.objects.get(id=id)
-    site = Site.objects.get_current().domain
+    site = get_current_site().domain
     if oauthuser.picture and not oauthuser.picture.find(site) >= 0:
         from DjangoBlog.utils import save_user_avatar
         oauthuser.picture = save_user_avatar(oauthuser.picture)
@@ -94,7 +94,7 @@ def model_post_save_callback(sender, instance, created, raw, using, update_field
     if isinstance(instance, Comment):
 
         path = instance.article.get_absolute_url()
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         if site.find(':') > 0:
             site = site[0:site.find(':')]
 
diff --git a/DjangoBlog/feeds.py b/DjangoBlog/feeds.py
index fd2c5c5..37d64b0 100644
--- a/DjangoBlog/feeds.py
+++ b/DjangoBlog/feeds.py
@@ -20,7 +20,7 @@ from django.utils.feedgenerator import Rss201rev2Feed
 from DjangoBlog.utils import CommonMarkdown
 from django.contrib.auth import get_user_model
 from django.contrib.auth.models import User
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 
 
 class DjangoBlogFeed(Feed):
@@ -46,7 +46,7 @@ class DjangoBlogFeed(Feed):
         return CommonMarkdown.get_markdown(item.body)
 
     def feed_copyright(self):
-        # print(Site.objects.get_current().name)
+        # print(get_current_site().name)
         return "Copyright© 2018 且听风吟"
 
     def item_link(self, item):
diff --git a/DjangoBlog/tests.py b/DjangoBlog/tests.py
index fcde227..09fb617 100644
--- a/DjangoBlog/tests.py
+++ b/DjangoBlog/tests.py
@@ -16,7 +16,7 @@
 from django.test import Client, RequestFactory, TestCase
 from blog.models import Article, Category, Tag
 from django.contrib.auth import get_user_model
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from django.urls import reverse
 import datetime
 from DjangoBlog.utils import *
diff --git a/DjangoBlog/utils.py b/DjangoBlog/utils.py
index 176d34b..6c6939e 100644
--- a/DjangoBlog/utils.py
+++ b/DjangoBlog/utils.py
@@ -21,11 +21,7 @@ from pygments import highlight
 from pygments.lexers import get_lexer_by_name
 from pygments.formatters import html
 import logging
-import _thread
-from django.core.mail import EmailMultiAlternatives
-from django.conf import settings
 import requests
-import datetime
 import uuid
 import os
 
@@ -63,7 +59,7 @@ def cache_decorator(expiration=3 * 60):
                 # logger.info('cache_decorator get cache:%s key:%s' % (func.__name__, key))
                 return value
             else:
-                # logger.info('cache_decorator set cache:%s key:%s' % (func.__name__, key))
+                logger.info('cache_decorator set cache:%s key:%s' % (func.__name__, key))
                 value = func(*args, **kwargs)
                 cache.set(key, value, expiration)
                 return value
@@ -110,6 +106,12 @@ def block_code(text, lang, inlinestyles=False, linenos=False):
         )
 
 
+@cache_decorator()
+def get_current_site():
+    site = Site.objects.get_current()
+    return site
+
+
 class BlogMarkDownRenderer(mistune.Renderer):
     def block_code(self, text, lang=None):
         # renderer has an options
@@ -124,13 +126,13 @@ class BlogMarkDownRenderer(mistune.Renderer):
             link = 'mailto:%s' % link
         if not link:
             link = "#"
-        site = Site.objects.get_current()
+        site = get_current_site()
         nofollow = "" if link.find(site.domain) > 0 else "rel='nofollow'"
         return '<a href="%s" %s>%s</a>' % (link, nofollow, text)
 
     def link(self, link, title, text):
         link = escape_link(link)
-        site = Site.objects.get_current()
+        site = get_current_site()
         nofollow = "" if link.find(site.domain) > 0 else "rel='nofollow'"
         if not link:
             link = "#"
@@ -152,25 +154,6 @@ class CommonMarkdown():
 def send_email(emailto, title, content):
     from DjangoBlog.blog_signals import send_email_signal
     send_email_signal.send(send_email.__class__, emailto=emailto, title=title, content=content)
-    # msg = EmailMultiAlternatives(title, content, from_email=settings.DEFAULT_FROM_EMAIL, to=emailto)
-    # msg.content_subtype = "html"
-    #
-    # def sendmsg_withlog():
-    #     from servermanager.models import EmailSendLog
-    #     log = EmailSendLog()
-    #     log.title = title
-    #     log.content = content
-    #     log.emailto = ','.join(emailto)
-    #
-    #     try:
-    #         result = msg.send()
-    #         log.send_result = result > 0
-    #     except Exception as e:
-    #         logger.error(e)
-    #         log.send_result = False
-    #     log.save()
-    #
-    # _thread.start_new_thread(sendmsg_withlog, ())
 
 
 def parse_dict_to_url(dict):
@@ -183,7 +166,6 @@ def parse_dict_to_url(dict):
 def get_blog_setting():
     value = cache.get('get_blog_setting')
     if value:
-        logger.info('get cache get_blog_setting')
         return value
     else:
         from blog.models import BlogSettings
diff --git a/accounts/models.py b/accounts/models.py
index 1ce5059..1b40384 100644
--- a/accounts/models.py
+++ b/accounts/models.py
@@ -1,7 +1,7 @@
 from django.db import models
 from django.contrib.auth.models import AbstractUser, BaseUserManager
 from django.urls import reverse
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from django.utils.timezone import now
 
 
@@ -22,6 +22,6 @@ class BlogUser(AbstractUser):
         return self.email
 
     def get_full_url(self):
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         url = "https://{site}{path}".format(site=site, path=self.get_absolute_url())
         return url
diff --git a/accounts/tests.py b/accounts/tests.py
index 29fe028..7fdeaba 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 django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 import datetime
 from accounts.models import BlogUser
 from django.urls import reverse
@@ -16,7 +16,7 @@ class AccountTest(TestCase):
         self.factory = RequestFactory()
 
     def test_validate_account(self):
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         user = BlogUser.objects.create_superuser(email="liangliangyy1@gmail.com",
                                                  username="liangliangyy1", password="qwer!@#$ggg")
         testuser = BlogUser.objects.get(username='liangliangyy1')
diff --git a/blog/admin.py b/blog/admin.py
index e0db8fb..30b5c34 100644
--- a/blog/admin.py
+++ b/blog/admin.py
@@ -89,8 +89,8 @@ class ArticlelAdmin(admin.ModelAdmin):
             url = obj.get_full_url()
             return url
         else:
-            from django.contrib.sites.models import Site
-            site = Site.objects.get_current().domain
+            from DjangoBlog.utils import get_current_site
+            site = get_current_site().domain
             return site
 
 
diff --git a/blog/context_processors.py b/blog/context_processors.py
index 606ecd0..8cf7799 100644
--- a/blog/context_processors.py
+++ b/blog/context_processors.py
@@ -25,7 +25,6 @@ def seo_processor(requests):
     key = 'seo_processor'
     value = cache.get(key)
     if value:
-        logger.info('get processor cache.')
         return value
     else:
         logger.info('set processor cache.')
diff --git a/blog/management/commands/ping_baidu.py b/blog/management/commands/ping_baidu.py
index 6ab51b7..cbd398a 100644
--- a/blog/management/commands/ping_baidu.py
+++ b/blog/management/commands/ping_baidu.py
@@ -16,9 +16,9 @@
 from django.core.management.base import BaseCommand, CommandError
 from blog.models import Article, Tag, Category
 from DjangoBlog.spider_notify import SpiderNotify
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 
-site = Site.objects.get_current().domain
+site = get_current_site().domain
 
 
 class Command(BaseCommand):
diff --git a/blog/models.py b/blog/models.py
index 9191d83..a7e981d 100644
--- a/blog/models.py
+++ b/blog/models.py
@@ -7,7 +7,7 @@ from django.conf import settings
 from uuslug import slugify
 from django.core.exceptions import ValidationError
 from django.utils.translation import gettext_lazy as _
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from DjangoBlog.utils import cache_decorator, cache
 from django.utils.functional import cached_property
 from django.utils.timezone import now
@@ -40,7 +40,7 @@ class BaseModel(models.Model):
         # 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
+        site = get_current_site().domain
         url = "https://{site}{path}".format(site=site, path=self.get_absolute_url())
         return url
 
diff --git a/blog/templatetags/blog_tags.py b/blog/templatetags/blog_tags.py
index 63bc169..f0072b0 100644
--- a/blog/templatetags/blog_tags.py
+++ b/blog/templatetags/blog_tags.py
@@ -29,7 +29,7 @@ from comments.models import Comment
 from DjangoBlog.utils import cache_decorator, cache
 from django.contrib.auth import get_user_model
 from oauth.models import OAuthUser
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 import logging
 
 logger = logging.getLogger(__name__)
@@ -96,7 +96,7 @@ def load_breadcrumb(article):
     names = article.get_category_tree()
     from DjangoBlog.utils import get_blog_setting
     blogsetting = get_blog_setting()
-    site = Site.objects.get_current().domain
+    site = get_current_site().domain
     names.append((blogsetting.sitename, '/'))
     names = names[::-1]
 
diff --git a/blog/tests.py b/blog/tests.py
index 1a7ce34..0010e37 100644
--- a/blog/tests.py
+++ b/blog/tests.py
@@ -1,7 +1,7 @@
 from django.test import Client, RequestFactory, TestCase
 from blog.models import Article, Category, Tag, SideBar
 from django.contrib.auth import get_user_model
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from blog.forms import BlogSearchForm
 from django.core.paginator import Paginator
 from blog.templatetags.blog_tags import load_pagination_info, load_articletags
@@ -21,7 +21,7 @@ class ArticleTest(TestCase):
         self.factory = RequestFactory()
 
     def test_validate_article(self):
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         user = BlogUser.objects.get_or_create(email="liangliangyy@gmail.com", username="liangliangyy")[0]
         user.set_password("liangliangyy")
         user.is_staff = True
diff --git a/comments/tests.py b/comments/tests.py
index 9a758a5..36d16d4 100644
--- a/comments/tests.py
+++ b/comments/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 django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from django.urls import reverse
 import datetime
 from accounts.models import BlogUser
@@ -17,7 +17,7 @@ class CommentsTest(TestCase):
         self.factory = RequestFactory()
 
     def test_validate_comment(self):
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         user = BlogUser.objects.create_superuser(email="liangliangyy1@gmail.com",
                                                  username="liangliangyy1", password="liangliangyy1")
 
diff --git a/comments/utils.py b/comments/utils.py
index ca667f9..38375b0 100644
--- a/comments/utils.py
+++ b/comments/utils.py
@@ -14,14 +14,14 @@
 """
 
 from DjangoBlog.utils import send_email
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 import logging
 
 logger = logging.getLogger(__name__)
 
 
 def send_comment_email(comment):
-    site = Site.objects.get_current().domain
+    site = get_current_site().domain
     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 = """
diff --git a/oauth/views.py b/oauth/views.py
index d338480..2e99a3d 100644
--- a/oauth/views.py
+++ b/oauth/views.py
@@ -12,7 +12,7 @@ from django.views.generic import FormView, RedirectView
 from oauth.forms import RequireEmailForm
 from django.urls import reverse
 from DjangoBlog.utils import send_email, get_md5, save_user_avatar
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from django.core.exceptions import ObjectDoesNotExist
 from django.http import HttpResponseForbidden
 from .oauthmanager import get_manager_by_type
@@ -30,7 +30,7 @@ def get_redirecturl(request):
         return nexturl
     p = urlparse(nexturl)
     if p.netloc:
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         if not p.netloc.replace('www.', '') == site.replace('www.', ''):
             logger.info('非法url:' + nexturl)
             return "/"
@@ -127,7 +127,7 @@ def emailconfirm(request, id, sign):
     oauth_user_login_signal.send(sender=emailconfirm.__class__, id=oauthuser.id)
     login(request, author)
 
-    site = Site.objects.get_current().domain
+    site = get_current_site().domain
     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>
 
@@ -181,7 +181,7 @@ class RequireEmailView(FormView):
         oauthuser.email = email
         oauthuser.save()
         sign = get_md5(settings.SECRET_KEY + str(oauthuser.id) + settings.SECRET_KEY)
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         if settings.DEBUG:
             site = '127.0.0.1:8000'
         path = reverse('oauth:email_confirm', kwargs={
diff --git a/servermanager/tests.py b/servermanager/tests.py
index d7f58a7..b993778 100644
--- a/servermanager/tests.py
+++ b/servermanager/tests.py
@@ -1,5 +1,5 @@
 from django.test import Client, RequestFactory, TestCase
-from django.contrib.sites.models import Site
+from DjangoBlog.utils import get_current_site
 from .models import commands
 import datetime
 from accounts.models import BlogUser
@@ -22,7 +22,7 @@ class ServerManagerTest(TestCase):
         self.assertIsNotNone(content)
 
     def test_validate_comment(self):
-        site = Site.objects.get_current().domain
+        site = get_current_site().domain
         user = BlogUser.objects.create_superuser(email="liangliangyy1@gmail.com",
                                                  username="liangliangyy1", password="liangliangyy1")