diff --git a/doc/src/djangoblog/__init__.py b/doc/src/djangoblog/__init__.py
new file mode 100644
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--- /dev/null
+++ b/doc/src/djangoblog/__init__.py
@@ -0,0 +1 @@
+default_app_config = 'djangoblog.apps.DjangoblogAppConfig'
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diff --git a/doc/src/djangoblog/admin_site.py b/doc/src/djangoblog/admin_site.py
new file mode 100644
index 0000000..c067f54
--- /dev/null
+++ b/doc/src/djangoblog/admin_site.py
@@ -0,0 +1,68 @@
+from django.contrib.admin import AdminSite
+from django.contrib.admin.models import LogEntry
+from django.contrib.sites.admin import SiteAdmin
+from django.contrib.sites.models import Site
+
+from accounts.admin import *
+from blog.admin import *
+from blog.models import *
+from comments.admin import *
+from comments.models import *
+from djangoblog.logentryadmin import LogEntryAdmin
+from oauth.admin import *
+from oauth.models import *
+from owntracks.admin import *
+from owntracks.models import *
+from servermanager.admin import *
+from servermanager.models import *
+
+
+class DjangoBlogAdminSite(AdminSite):
+    #mj 自定义Django管理站点
+    site_header = 'djangoblog administration'
+    site_title = 'djangoblog site admin'
+
+    def __init__(self, name='admin'):
+        super().__init__(name)
+
+    def has_permission(self, request):
+        #mj 只有超级用户才能访问管理站点
+        return request.user.is_superuser
+
+    # def get_urls(self):
+    #     urls = super().get_urls()
+    #     from django.urls import path
+    #     from blog.views import refresh_memcache
+    #
+    #     my_urls = [
+    #         path('refresh/', self.admin_view(refresh_memcache), name="refresh"),
+    #     ]
+    #     return urls + my_urls
+
+
+admin_site = DjangoBlogAdminSite(name='admin')
+
+#mj 注册所有模型到自定义管理站点
+admin_site.register(Article, ArticlelAdmin)
+admin_site.register(Category, CategoryAdmin)
+admin_site.register(Tag, TagAdmin)
+admin_site.register(Links, LinksAdmin)
+admin_site.register(SideBar, SideBarAdmin)
+admin_site.register(BlogSettings, BlogSettingsAdmin)
+
+admin_site.register(commands, CommandsAdmin)
+admin_site.register(EmailSendLog, EmailSendLogAdmin)
+
+admin_site.register(BlogUser, BlogUserAdmin)
+
+admin_site.register(Comment, CommentAdmin)
+
+admin_site.register(OAuthUser, OAuthUserAdmin)
+admin_site.register(OAuthConfig, OAuthConfigAdmin)
+
+admin_site.register(OwnTrackLog, OwnTrackLogsAdmin)
+
+admin_site.register(Site, SiteAdmin)
+
+admin_site.register(LogEntry, LogEntryAdmin)
+# [file content end]
diff --git a/doc/src/djangoblog/apps.py b/doc/src/djangoblog/apps.py
new file mode 100644
index 0000000..c330e14
--- /dev/null
+++ b/doc/src/djangoblog/apps.py
@@ -0,0 +1,13 @@
+from django.apps import AppConfig
+
+class DjangoblogAppConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'djangoblog'
+
+    def ready(self):
+        super().ready()
+        #mj 应用启动时加载插件
+        # Import and load plugins here
+        from .plugin_manage.loader import load_plugins
+        load_plugins()
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/blog_signals.py b/doc/src/djangoblog/blog_signals.py
new file mode 100644
index 0000000..2039a0b
--- /dev/null
+++ b/doc/src/djangoblog/blog_signals.py
@@ -0,0 +1,129 @@
+import _thread
+import logging
+
+import django.dispatch
+from django.conf import settings
+from django.contrib.admin.models import LogEntry
+from django.contrib.auth.signals import user_logged_in, user_logged_out
+from django.core.mail import EmailMultiAlternatives
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+
+from comments.models import Comment
+from comments.utils import send_comment_email
+from djangoblog.spider_notify import SpiderNotify
+from djangoblog.utils import cache, expire_view_cache, delete_sidebar_cache, delete_view_cache
+from djangoblog.utils import get_current_site
+from oauth.models import OAuthUser
+
+logger = logging.getLogger(__name__)
+
+#mj 定义自定义信号
+oauth_user_login_signal = django.dispatch.Signal(['id'])
+send_email_signal = django.dispatch.Signal(
+    ['emailto', 'title', 'content'])
+
+
+@receiver(send_email_signal)
+def send_email_signal_handler(sender, **kwargs):
+    #mj 发送邮件信号处理器
+    emailto = kwargs['emailto']
+    title = kwargs['title']
+    content = kwargs['content']
+
+    msg = EmailMultiAlternatives(
+        title,
+        content,
+        from_email=settings.DEFAULT_FROM_EMAIL,
+        to=emailto)
+    msg.content_subtype = "html"
+
+    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(f"失败邮箱号: {emailto}, {e}")
+        log.send_result = False
+    log.save()
+
+
+@receiver(oauth_user_login_signal)
+def oauth_user_login_signal_handler(sender, **kwargs):
+    #mj OAuth用户登录信号处理器
+    id = kwargs['id']
+    oauthuser = OAuthUser.objects.get(id=id)
+    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)
+        oauthuser.save()
+
+    delete_sidebar_cache()
+
+
+@receiver(post_save)
+def model_post_save_callback(
+        sender,
+        instance,
+        created,
+        raw,
+        using,
+        update_fields,
+        **kwargs):
+    #mj 模型保存后的回调函数
+    clearcache = False
+    if isinstance(instance, LogEntry):
+        return
+    if 'get_full_url' in dir(instance):
+        is_update_views = update_fields == {'views'}
+        if not settings.TESTING and not is_update_views:
+            try:
+                notify_url = instance.get_full_url()
+                SpiderNotify.baidu_notify([notify_url])
+            except Exception as ex:
+                logger.error("notify sipder", ex)
+        if not is_update_views:
+            clearcache = True
+
+    if isinstance(instance, Comment):
+        #mj 处理评论保存逻辑
+        if instance.is_enable:
+            path = instance.article.get_absolute_url()
+            site = get_current_site().domain
+            if site.find(':') > 0:
+                site = site[0:site.find(':')]
+
+            expire_view_cache(
+                path,
+                servername=site,
+                serverport=80,
+                key_prefix='blogdetail')
+            if cache.get('seo_processor'):
+                cache.delete('seo_processor')
+            comment_cache_key = 'article_comments_{id}'.format(
+                id=instance.article.id)
+            cache.delete(comment_cache_key)
+            delete_sidebar_cache()
+            delete_view_cache('article_comments', [str(instance.article.pk)])
+
+            _thread.start_new_thread(send_comment_email, (instance,))
+
+    if clearcache:
+        cache.clear()
+
+
+@receiver(user_logged_in)
+@receiver(user_logged_out)
+def user_auth_callback(sender, request, user, **kwargs):
+    #mj 用户登录/登出回调函数
+    if user and user.username:
+        logger.info(user)
+        delete_sidebar_cache()
+        # cache.clear()
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/elasticsearch_backend.py b/doc/src/djangoblog/elasticsearch_backend.py
new file mode 100644
index 0000000..e50fead
--- /dev/null
+++ b/doc/src/djangoblog/elasticsearch_backend.py
@@ -0,0 +1,186 @@
+from django.utils.encoding import force_str
+from elasticsearch_dsl import Q
+from haystack.backends import BaseEngine, BaseSearchBackend, BaseSearchQuery, log_query
+from haystack.forms import ModelSearchForm
+from haystack.models import SearchResult
+from haystack.utils import log as logging
+
+from blog.documents import ArticleDocument, ArticleDocumentManager
+from blog.models import Article
+
+logger = logging.getLogger(__name__)
+
+
+class ElasticSearchBackend(BaseSearchBackend):
+    #mj ElasticSearch搜索后端实现
+    def __init__(self, connection_alias, **connection_options):
+        super(
+            ElasticSearchBackend,
+            self).__init__(
+            connection_alias,
+            **connection_options)
+        self.manager = ArticleDocumentManager()
+        self.include_spelling = True
+
+    def _get_models(self, iterable):
+        models = iterable if iterable and iterable[0] else Article.objects.all()
+        docs = self.manager.convert_to_doc(models)
+        return docs
+
+    def _create(self, models):
+        self.manager.create_index()
+        docs = self._get_models(models)
+        self.manager.rebuild(docs)
+
+    def _delete(self, models):
+        for m in models:
+            m.delete()
+        return True
+
+    def _rebuild(self, models):
+        models = models if models else Article.objects.all()
+        docs = self.manager.convert_to_doc(models)
+        self.manager.update_docs(docs)
+
+    def update(self, index, iterable, commit=True):
+        models = self._get_models(iterable)
+        self.manager.update_docs(models)
+
+    def remove(self, obj_or_string):
+        models = self._get_models([obj_or_string])
+        self._delete(models)
+
+    def clear(self, models=None, commit=True):
+        self.remove(None)
+
+    @staticmethod
+    def get_suggestion(query: str) -> str:
+        """获取推荐词, 如果没有找到添加原搜索词"""
+        search = ArticleDocument.search() \
+            .query("match", body=query) \
+            .suggest('suggest_search', query, term={'field': 'body'}) \
+            .execute()
+
+        keywords = []
+        for suggest in search.suggest.suggest_search:
+            if suggest["options"]:
+                keywords.append(suggest["options"][0]["text"])
+            else:
+                keywords.append(suggest["text"])
+
+        return ' '.join(keywords)
+
+    @log_query
+    def search(self, query_string, **kwargs):
+        #mj 执行搜索
+        logger.info('search query_string:' + query_string)
+
+        start_offset = kwargs.get('start_offset')
+        end_offset = kwargs.get('end_offset')
+
+        # 推荐词搜索
+        if getattr(self, "is_suggest", None):
+            suggestion = self.get_suggestion(query_string)
+        else:
+            suggestion = query_string
+
+        q = Q('bool',
+              should=[Q('match', body=suggestion), Q('match', title=suggestion)],
+              minimum_should_match="70%")
+
+        search = ArticleDocument.search() \
+                     .query('bool', filter=[q]) \
+                     .filter('term', status='p') \
+                     .filter('term', type='a') \
+                     .source(False)[start_offset: end_offset]
+
+        results = search.execute()
+        hits = results['hits'].total
+        raw_results = []
+        for raw_result in results['hits']['hits']:
+            app_label = 'blog'
+            model_name = 'Article'
+            additional_fields = {}
+
+            result_class = SearchResult
+
+            result = result_class(
+                app_label,
+                model_name,
+                raw_result['_id'],
+                raw_result['_score'],
+                **additional_fields)
+            raw_results.append(result)
+        facets = {}
+        spelling_suggestion = None if query_string == suggestion else suggestion
+
+        return {
+            'results': raw_results,
+            'hits': hits,
+            'facets': facets,
+            'spelling_suggestion': spelling_suggestion,
+        }
+
+
+class ElasticSearchQuery(BaseSearchQuery):
+    #mj ElasticSearch查询类
+    def _convert_datetime(self, date):
+        if hasattr(date, 'hour'):
+            return force_str(date.strftime('%Y%m%d%H%M%S'))
+        else:
+            return force_str(date.strftime('%Y%m%d000000'))
+
+    def clean(self, query_fragment):
+        """
+        Provides a mechanism for sanitizing user input before presenting the
+        value to the backend.
+
+        Whoosh 1.X differs here in that you can no longer use a backslash
+        to escape reserved characters. Instead, the whole word should be
+        quoted.
+        """
+        words = query_fragment.split()
+        cleaned_words = []
+
+        for word in words:
+            if word in self.backend.RESERVED_WORDS:
+                word = word.replace(word, word.lower())
+
+            for char in self.backend.RESERVED_CHARACTERS:
+                if char in word:
+                    word = "'%s'" % word
+                    break
+
+            cleaned_words.append(word)
+
+        return ' '.join(cleaned_words)
+
+    def build_query_fragment(self, field, filter_type, value):
+        return value.query_string
+
+    def get_count(self):
+        results = self.get_results()
+        return len(results) if results else 0
+
+    def get_spelling_suggestion(self, preferred_query=None):
+        return self._spelling_suggestion
+
+    def build_params(self, spelling_query=None):
+        kwargs = super(ElasticSearchQuery, self).build_params(spelling_query=spelling_query)
+        return kwargs
+
+
+class ElasticSearchModelSearchForm(ModelSearchForm):
+    #mj ElasticSearch模型搜索表单
+    def search(self):
+        # 是否建议搜索
+        self.searchqueryset.query.backend.is_suggest = self.data.get("is_suggest") != "no"
+        sqs = super().search()
+        return sqs
+
+
+class ElasticSearchEngine(BaseEngine):
+    #mj ElasticSearch引擎
+    backend = ElasticSearchBackend
+    query = ElasticSearchQuery
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/feeds.py b/doc/src/djangoblog/feeds.py
new file mode 100644
index 0000000..7042638
--- /dev/null
+++ b/doc/src/djangoblog/feeds.py
@@ -0,0 +1,44 @@
+from django.contrib.auth import get_user_model
+from django.contrib.syndication.views import Feed
+from django.utils import timezone
+from django.utils.feedgenerator import Rss201rev2Feed
+
+from blog.models import Article
+from djangoblog.utils import CommonMarkdown
+
+
+class DjangoBlogFeed(Feed):
+    #mj RSS订阅源
+    feed_type = Rss201rev2Feed
+
+    description = '大巧无工,重剑无锋.'
+    title = "且听风吟 大巧无工,重剑无锋. "
+    link = "/feed/"
+
+    def author_name(self):
+        return get_user_model().objects.first().nickname
+
+    def author_link(self):
+        return get_user_model().objects.first().get_absolute_url()
+
+    def items(self):
+        #mj 返回最新的5篇文章
+        return Article.objects.filter(type='a', status='p').order_by('-pub_time')[:5]
+
+    def item_title(self, item):
+        return item.title
+
+    def item_description(self, item):
+        #mj 将Markdown内容转换为HTML
+        return CommonMarkdown.get_markdown(item.body)
+
+    def feed_copyright(self):
+        now = timezone.now()
+        return "Copyright© {year} 且听风吟".format(year=now.year)
+
+    def item_link(self, item):
+        return item.get_absolute_url()
+
+    def item_guid(self, item):
+        return
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/logentryadmin.py b/doc/src/djangoblog/logentryadmin.py
new file mode 100644
index 0000000..b1c26a3
--- /dev/null
+++ b/doc/src/djangoblog/logentryadmin.py
@@ -0,0 +1,95 @@
+from django.contrib import admin
+from django.contrib.admin.models import DELETION
+from django.contrib.contenttypes.models import ContentType
+from django.urls import reverse, NoReverseMatch
+from django.utils.encoding import force_str
+from django.utils.html import escape
+from django.utils.safestring import mark_safe
+from django.utils.translation import gettext_lazy as _
+
+
+class LogEntryAdmin(admin.ModelAdmin):
+    #mj 日志条目管理
+    list_filter = [
+        'content_type'
+    ]
+
+    search_fields = [
+        'object_repr',
+        'change_message'
+    ]
+
+    list_display_links = [
+        'action_time',
+        'get_change_message',
+    ]
+    list_display = [
+        'action_time',
+        'user_link',
+        'content_type',
+        'object_link',
+        'get_change_message',
+    ]
+
+    def has_add_permission(self, request):
+        return False
+
+    def has_change_permission(self, request, obj=None):
+        return (
+                request.user.is_superuser or
+                request.user.has_perm('admin.change_logentry')
+        ) and request.method != 'POST'
+
+    def has_delete_permission(self, request, obj=None):
+        return False
+
+    def object_link(self, obj):
+        #mj 生成对象链接
+        object_link = escape(obj.object_repr)
+        content_type = obj.content_type
+
+        if obj.action_flag != DELETION and content_type is not None:
+            # try returning an actual link instead of object repr string
+            try:
+                url = reverse(
+                    'admin:{}_{}_change'.format(content_type.app_label,
+                                                content_type.model),
+                    args=[obj.object_id]
+                )
+                object_link = '<a href="{}">{}</a>'.format(url, object_link)
+            except NoReverseMatch:
+                pass
+        return mark_safe(object_link)
+
+    object_link.admin_order_field = 'object_repr'
+    object_link.short_description = _('object')
+
+    def user_link(self, obj):
+        #mj 生成用户链接
+        content_type = ContentType.objects.get_for_model(type(obj.user))
+        user_link = escape(force_str(obj.user))
+        try:
+            # try returning an actual link instead of object repr string
+            url = reverse(
+                'admin:{}_{}_change'.format(content_type.app_label,
+                                            content_type.model),
+                args=[obj.user.pk]
+            )
+            user_link = '<a href="{}">{}</a>'.format(url, user_link)
+        except NoReverseMatch:
+            pass
+        return mark_safe(user_link)
+
+    user_link.admin_order_field = 'user'
+    user_link.short_description = _('user')
+
+    def get_queryset(self, request):
+        queryset = super(LogEntryAdmin, self).get_queryset(request)
+        return queryset.prefetch_related('content_type')
+
+    def get_actions(self, request):
+        actions = super(LogEntryAdmin, self).get_actions(request)
+        if 'delete_selected' in actions:
+            del actions['delete_selected']
+        return actions
+# [file content end]
\ No newline at end of file
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diff --git a/doc/src/djangoblog/plugin_manage/base_plugin.py b/doc/src/djangoblog/plugin_manage/base_plugin.py
new file mode 100644
index 0000000..2b4be5c
--- /dev/null
+++ b/doc/src/djangoblog/plugin_manage/base_plugin.py
@@ -0,0 +1,41 @@
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class BasePlugin:
+    # 插件元数据
+    PLUGIN_NAME = None
+    PLUGIN_DESCRIPTION = None
+    PLUGIN_VERSION = None
+
+    def __init__(self):
+        if not all([self.PLUGIN_NAME, self.PLUGIN_DESCRIPTION, self.PLUGIN_VERSION]):
+            raise ValueError("Plugin metadata (PLUGIN_NAME, PLUGIN_DESCRIPTION, PLUGIN_VERSION) must be defined.")
+        self.init_plugin()
+        self.register_hooks()
+
+    def init_plugin(self):
+        """
+        插件初始化逻辑
+        子类可以重写此方法来实现特定的初始化操作
+        """
+        logger.info(f'{self.PLUGIN_NAME} initialized.')
+
+    def register_hooks(self):
+        """
+        注册插件钩子
+        子类可以重写此方法来注册特定的钩子
+        """
+        pass
+
+    def get_plugin_info(self):
+        """
+        获取插件信息
+        :return: 包含插件元数据的字典
+        """
+        return {
+            'name': self.PLUGIN_NAME,
+            'description': self.PLUGIN_DESCRIPTION,
+            'version': self.PLUGIN_VERSION
+        }
diff --git a/doc/src/djangoblog/plugin_manage/hook_constants.py b/doc/src/djangoblog/plugin_manage/hook_constants.py
new file mode 100644
index 0000000..6685b7c
--- /dev/null
+++ b/doc/src/djangoblog/plugin_manage/hook_constants.py
@@ -0,0 +1,7 @@
+ARTICLE_DETAIL_LOAD = 'article_detail_load'
+ARTICLE_CREATE = 'article_create'
+ARTICLE_UPDATE = 'article_update'
+ARTICLE_DELETE = 'article_delete'
+
+ARTICLE_CONTENT_HOOK_NAME = "the_content"
+
diff --git a/doc/src/djangoblog/plugin_manage/hooks.py b/doc/src/djangoblog/plugin_manage/hooks.py
new file mode 100644
index 0000000..d712540
--- /dev/null
+++ b/doc/src/djangoblog/plugin_manage/hooks.py
@@ -0,0 +1,44 @@
+import logging
+
+logger = logging.getLogger(__name__)
+
+_hooks = {}
+
+
+def register(hook_name: str, callback: callable):
+    """
+    注册一个钩子回调。
+    """
+    if hook_name not in _hooks:
+        _hooks[hook_name] = []
+    _hooks[hook_name].append(callback)
+    logger.debug(f"Registered hook '{hook_name}' with callback '{callback.__name__}'")
+
+
+def run_action(hook_name: str, *args, **kwargs):
+    """
+    执行一个 Action Hook。
+    它会按顺序执行所有注册到该钩子上的回调函数。
+    """
+    if hook_name in _hooks:
+        logger.debug(f"Running action hook '{hook_name}'")
+        for callback in _hooks[hook_name]:
+            try:
+                callback(*args, **kwargs)
+            except Exception as e:
+                logger.error(f"Error running action hook '{hook_name}' callback '{callback.__name__}': {e}", exc_info=True)
+
+
+def apply_filters(hook_name: str, value, *args, **kwargs):
+    """
+    执行一个 Filter Hook。
+    它会把 value 依次传递给所有注册的回调函数进行处理。
+    """
+    if hook_name in _hooks:
+        logger.debug(f"Applying filter hook '{hook_name}'")
+        for callback in _hooks[hook_name]:
+            try:
+                value = callback(value, *args, **kwargs)
+            except Exception as e:
+                logger.error(f"Error applying filter hook '{hook_name}' callback '{callback.__name__}': {e}", exc_info=True)
+    return value
diff --git a/doc/src/djangoblog/plugin_manage/loader.py b/doc/src/djangoblog/plugin_manage/loader.py
new file mode 100644
index 0000000..12e824b
--- /dev/null
+++ b/doc/src/djangoblog/plugin_manage/loader.py
@@ -0,0 +1,19 @@
+import os
+import logging
+from django.conf import settings
+
+logger = logging.getLogger(__name__)
+
+def load_plugins():
+    """
+    Dynamically loads and initializes plugins from the 'plugins' directory.
+    This function is intended to be called when the Django app registry is ready.
+    """
+    for plugin_name in settings.ACTIVE_PLUGINS:
+        plugin_path = os.path.join(settings.PLUGINS_DIR, plugin_name)
+        if os.path.isdir(plugin_path) and os.path.exists(os.path.join(plugin_path, 'plugin.py')):
+            try:
+                __import__(f'plugins.{plugin_name}.plugin')
+                logger.info(f"Successfully loaded plugin: {plugin_name}")
+            except ImportError as e:
+                logger.error(f"Failed to import plugin: {plugin_name}", exc_info=e) 
\ No newline at end of file
diff --git a/doc/src/djangoblog/settings.py b/doc/src/djangoblog/settings.py
new file mode 100644
index 0000000..22d0829
--- /dev/null
+++ b/doc/src/djangoblog/settings.py
@@ -0,0 +1,332 @@
+import os
+import sys
+from pathlib import Path
+
+from django.utils.translation import gettext_lazy as _
+
+
+def env_to_bool(env, default):
+    #mj 环境变量转换为布尔值
+    str_val = os.environ.get(env)
+    return default if str_val is None else str_val == 'True'
+
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/1.10/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = os.environ.get(
+    'DJANGO_SECRET_KEY') or 'n9ceqv38)#&mwuat@(mjb_p%em$e8$qyr#fw9ot!=ba6lijx-6'
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = env_to_bool('DJANGO_DEBUG', True)
+# DEBUG = False
+TESTING = len(sys.argv) > 1 and sys.argv[1] == 'test'
+
+# ALLOWED_HOSTS = []
+ALLOWED_HOSTS = ['*', '127.0.0.1', 'example.com']
+# django 4.0新增配置
+CSRF_TRUSTED_ORIGINS = ['http://example.com']
+# Application definition
+
+
+INSTALLED_APPS = [
+    # 'django.contrib.admin',
+    'django.contrib.admin.apps.SimpleAdminConfig',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'django.contrib.sites',
+    'django.contrib.sitemaps',
+    'mdeditor',
+    'haystack',
+    'blog',
+    'accounts',
+    'comments',
+    'oauth',
+    'servermanager',
+    'owntracks',
+    'compressor',
+    'djangoblog'
+]
+
+MIDDLEWARE = [
+
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
+    'django.middleware.gzip.GZipMiddleware',
+    # 'django.middleware.cache.UpdateCacheMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    # 'django.middleware.cache.FetchFromCacheMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'django.middleware.http.ConditionalGetMiddleware',
+    'blog.middleware.OnlineMiddleware'
+]
+
+ROOT_URLCONF = 'djangoblog.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [os.path.join(BASE_DIR, 'templates')],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+                'blog.context_processors.seo_processor'
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'djangoblog.wsgi.application'
+
+# Database
+# https://docs.djangoproject.com/en/1.10/ref/settings/#databases
+
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.mysql',
+        'NAME': 'djangoblog',
+        'USER': 'root',
+        'PASSWORD': '123456',
+        'HOST': '127.0.0.1',
+        'PORT': 3306,
+    }
+}
+
+# Password validation
+# https://docs.djangoproject.com/en/1.10/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+LANGUAGES = (
+    ('en', _('English')),
+    ('zh-hans', _('Simplified Chinese')),
+    ('zh-hant', _('Traditional Chinese')),
+)
+LOCALE_PATHS = (
+    os.path.join(BASE_DIR, 'locale'),
+)
+
+LANGUAGE_CODE = 'zh-hans'
+
+TIME_ZONE = 'Asia/Shanghai'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = False
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/1.10/howto/static-files/
+
+
+HAYSTACK_CONNECTIONS = {
+    'default': {
+        'ENGINE': 'djangoblog.whoosh_cn_backend.WhooshEngine',
+        'PATH': os.path.join(os.path.dirname(__file__), 'whoosh_index'),
+    },
+}
+# Automatically update searching index
+HAYSTACK_SIGNAL_PROCESSOR = 'haystack.signals.RealtimeSignalProcessor'
+# Allow user login with username and password
+AUTHENTICATION_BACKENDS = [
+    'accounts.user_login_backend.EmailOrUsernameModelBackend']
+
+STATIC_ROOT = os.path.join(BASE_DIR, 'collectedstatic')
+
+STATIC_URL = '/static/'
+STATICFILES = os.path.join(BASE_DIR, 'static')
+
+AUTH_USER_MODEL = 'accounts.BlogUser'
+LOGIN_URL = '/login/'
+
+TIME_FORMAT = '%Y-%m-%d %H:%M:%S'
+DATE_TIME_FORMAT = '%Y-%m-%d'
+
+# bootstrap color styles
+BOOTSTRAP_COLOR_TYPES = [
+    'default', 'primary', 'success', 'info', 'warning', 'danger'
+]
+
+# paginate
+PAGINATE_BY = 10
+# http cache timeout
+CACHE_CONTROL_MAX_AGE = 2592000
+# cache setting
+CACHES = {
+    'default': {
+        'BACKEND': 'django.core.cache.backends.locmem.LocMemCache',
+        'TIMEOUT': 10800,
+        'LOCATION': 'unique-snowflake',
+    }
+}
+# 使用redis作为缓存
+if os.environ.get("DJANGO_REDIS_URL"):
+    CACHES = {
+        'default': {
+            'BACKEND': 'django.core.cache.backends.redis.RedisCache',
+            'LOCATION': f'redis://{os.environ.get("DJANGO_REDIS_URL")}',
+        }
+    }
+
+SITE_ID = 1
+BAIDU_NOTIFY_URL = os.environ.get('DJANGO_BAIDU_NOTIFY_URL') \
+                   or 'http://data.zz.baidu.com/urls?site=https://www.lylinux.net&token=1uAOGrMsUm5syDGn'
+
+# Email:
+EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
+EMAIL_USE_TLS = env_to_bool('DJANGO_EMAIL_TLS', False)
+EMAIL_USE_SSL = env_to_bool('DJANGO_EMAIL_SSL', True)
+EMAIL_HOST = os.environ.get('DJANGO_EMAIL_HOST') or 'smtp.mxhichina.com'
+EMAIL_PORT = int(os.environ.get('DJANGO_EMAIL_PORT') or 465)
+EMAIL_HOST_USER = os.environ.get('DJANGO_EMAIL_USER')
+EMAIL_HOST_PASSWORD = os.environ.get('DJANGO_EMAIL_PASSWORD')
+DEFAULT_FROM_EMAIL = EMAIL_HOST_USER
+SERVER_EMAIL = EMAIL_HOST_USER
+# Setting debug=false did NOT handle except email notifications
+ADMINS = [('admin', os.environ.get('DJANGO_ADMIN_EMAIL') or 'admin@admin.com')]
+# WX ADMIN password(Two times md5)
+WXADMIN = os.environ.get(
+    'DJANGO_WXADMIN_PASSWORD') or '995F03AC401D6CABABAEF756FC4D43C7'
+
+LOG_PATH = os.path.join(BASE_DIR, 'logs')
+if not os.path.exists(LOG_PATH):
+    os.makedirs(LOG_PATH, exist_ok=True)
+
+LOGGING = {
+    'version': 1,
+    'disable_existing_loggers': False,
+    'root': {
+        'level': 'INFO',
+        'handlers': ['console', 'log_file'],
+    },
+    'formatters': {
+        'verbose': {
+            'format': '[%(asctime)s] %(levelname)s [%(name)s.%(funcName)s:%(lineno)d %(module)s] %(message)s',
+        }
+    },
+    'filters': {
+        'require_debug_false': {
+            '()': 'django.utils.log.RequireDebugFalse',
+        },
+        'require_debug_true': {
+            '()': 'django.utils.log.RequireDebugTrue',
+        },
+    },
+    'handlers': {
+        'log_file': {
+            'level': 'INFO',
+            'class': 'logging.handlers.TimedRotatingFileHandler',
+            'filename': os.path.join(LOG_PATH, 'djangoblog.log'),
+            'when': 'D',
+            'formatter': 'verbose',
+            'interval': 1,
+            'delay': True,
+            'backupCount': 5,
+            'encoding': 'utf-8'
+        },
+        'console': {
+            'level': 'DEBUG',
+            'filters': ['require_debug_true'],
+            'class': 'logging.StreamHandler',
+            'formatter': 'verbose'
+        },
+        'null': {
+            'class': 'logging.NullHandler',
+        },
+        'mail_admins': {
+            'level': 'ERROR',
+            'filters': ['require_debug_false'],
+            'class': 'django.utils.log.AdminEmailHandler'
+        }
+    },
+    'loggers': {
+        'djangoblog': {
+            'handlers': ['log_file', 'console'],
+            'level': 'INFO',
+            'propagate': True,
+        },
+        'django.request': {
+            'handlers': ['mail_admins'],
+            'level': 'ERROR',
+            'propagate': False,
+        }
+    }
+}
+
+STATICFILES_FINDERS = (
+    'django.contrib.staticfiles.finders.FileSystemFinder',
+    'django.contrib.staticfiles.finders.AppDirectoriesFinder',
+    # other
+    'compressor.finders.CompressorFinder',
+)
+COMPRESS_ENABLED = True
+# COMPRESS_OFFLINE = True
+
+
+COMPRESS_CSS_FILTERS = [
+    # creates absolute urls from relative ones
+    'compressor.filters.css_default.CssAbsoluteFilter',
+    # css minimizer
+    'compressor.filters.cssmin.CSSMinFilter'
+]
+COMPRESS_JS_FILTERS = [
+    'compressor.filters.jsmin.JSMinFilter'
+]
+
+MEDIA_ROOT = os.path.join(BASE_DIR, 'uploads')
+MEDIA_URL = '/media/'
+X_FRAME_OPTIONS = 'SAMEORIGIN'
+
+DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'
+
+if os.environ.get('DJANGO_ELASTICSEARCH_HOST'):
+    ELASTICSEARCH_DSL = {
+        'default': {
+            'hosts': os.environ.get('DJANGO_ELASTICSEARCH_HOST')
+        },
+    }
+    HAYSTACK_CONNECTIONS = {
+        'default': {
+            'ENGINE': 'djangoblog.elasticsearch_backend.ElasticSearchEngine',
+        },
+    }
+
+# Plugin System
+PLUGINS_DIR = BASE_DIR / 'plugins'
+ACTIVE_PLUGINS = [
+    'article_copyright',
+    'reading_time',
+    'external_links',
+    'view_count',
+    'seo_optimizer'
+]
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/sitemap.py b/doc/src/djangoblog/sitemap.py
new file mode 100644
index 0000000..1ba81ea
--- /dev/null
+++ b/doc/src/djangoblog/sitemap.py
@@ -0,0 +1,67 @@
+f# [file name]: sitemap.py
+# [file content begin]
+from django.contrib.sitemaps import Sitemap
+from django.urls import reverse
+
+from blog.models import Article, Category, Tag
+
+
+class StaticViewSitemap(Sitemap):
+    #mj 静态视图站点地图
+    priority = 0.5
+    changefreq = 'daily'
+
+    def items(self):
+        return ['blog:index', ]
+
+    def location(self, item):
+        return reverse(item)
+
+
+class ArticleSiteMap(Sitemap):
+    #mj 文章站点地图
+    changefreq = "monthly"
+    priority = "0.6"
+
+    def items(self):
+        return Article.objects.filter(status='p')
+
+    def lastmod(self, obj):
+        return obj.last_modify_time
+
+
+class CategorySiteMap(Sitemap):
+    #mj 分类站点地图
+    changefreq = "Weekly"
+    priority = "0.6"
+
+    def items(self):
+        return Category.objects.all()
+
+    def lastmod(self, obj):
+        return obj.last_modify_time
+
+
+class TagSiteMap(Sitemap):
+    #mj 标签站点地图
+    changefreq = "Weekly"
+    priority = "0.3"
+
+    def items(self):
+        return Tag.objects.all()
+
+    def lastmod(self, obj):
+        return obj.last_modify_time
+
+
+class UserSiteMap(Sitemap):
+    #mj 用户站点地图
+    changefreq = "Weekly"
+    priority = "0.3"
+
+    def items(self):
+        return list(set(map(lambda x: x.author, Article.objects.all())))
+
+    def lastmod(self, obj):
+        return obj.date_joined
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/spider_notify.py b/doc/src/djangoblog/spider_notify.py
new file mode 100644
index 0000000..2df82ab
--- /dev/null
+++ b/doc/src/djangoblog/spider_notify.py
@@ -0,0 +1,19 @@
+# [file name]: spider_notify.py
+# [file content begin]
+import logging
+
+import requests
+from django.conf import settings
+
+logger = logging.getLogger(__name__)
+
+
+class SpiderNotify():
+    #mj 搜索引擎爬虫通
+    @staticmethod
+    def baidu_notify(urls):
+        try:
+            data = '\n'.join(urls)
+            result = requests.post(settings.BAIDU_NOTIFY_URL, data=data)
+            logger.info(result.text)
+        except Exception as e:
\ No newline at end of file
diff --git a/doc/src/djangoblog/tests.py b/doc/src/djangoblog/tests.py
new file mode 100644
index 0000000..cc95f06
--- /dev/null
+++ b/doc/src/djangoblog/tests.py
@@ -0,0 +1,36 @@
+
+from django.test import TestCase
+
+from djangoblog.utils import *
+
+
+class DjangoBlogTest(TestCase):
+    #mj Django博客测试类
+    def setUp(self):
+        pass
+
+    def test_utils(self):
+        #mj 测试工具函数
+        md5 = get_sha256('test')
+        self.assertIsNotNone(md5)
+        c = CommonMarkdown.get_markdown('''
+        # Title1
+
+        ```python
+        import os
+        ```
+
+        [url](https://www.lylinux.net/)
+
+        [ddd](http://www.baidu.com)
+
+
+        ''')
+        self.assertIsNotNone(c)
+        d = {
+            'd': 'key1',
+            'd2': 'key2'
+        }
+        data = parse_dict_to_url(d)
+        self.assertIsNotNone(data)
+# [file content end]
diff --git a/doc/src/djangoblog/urls.py b/doc/src/djangoblog/urls.py
new file mode 100644
index 0000000..317c176
--- /dev/null
+++ b/doc/src/djangoblog/urls.py
@@ -0,0 +1,54 @@
+from django.conf import settings
+from django.conf.urls.i18n import i18n_patterns
+from django.conf.urls.static import static
+from django.contrib.sitemaps.views import sitemap
+from django.urls import path, include
+from django.urls import re_path
+from haystack.views import search_view_factory
+
+from blog.views import EsSearchView
+from djangoblog.admin_site import admin_site
+from djangoblog.elasticsearch_backend import ElasticSearchModelSearchForm
+from djangoblog.feeds import DjangoBlogFeed
+from djangoblog.sitemap import ArticleSiteMap, CategorySiteMap, StaticViewSitemap, TagSiteMap, UserSiteMap
+
+#mj 站点地图配置
+sitemaps = {
+
+    'blog': ArticleSiteMap,
+    'Category': CategorySiteMap,
+    'Tag': TagSiteMap,
+    'User': UserSiteMap,
+    'static': StaticViewSitemap
+}
+
+#mj 错误处理视图
+handler404 = 'blog.views.page_not_found_view'
+handler500 = 'blog.views.server_error_view'
+handle403 = 'blog.views.permission_denied_view'
+
+urlpatterns = [
+    path('i18n/', include('django.conf.urls.i18n')),
+]
+#mj 国际化URL模式
+urlpatterns += i18n_patterns(
+    re_path(r'^admin/', admin_site.urls),
+    re_path(r'', include('blog.urls', namespace='blog')),
+    re_path(r'mdeditor/', include('mdeditor.urls')),
+    re_path(r'', include('comments.urls', namespace='comment')),
+    re_path(r'', include('accounts.urls', namespace='account')),
+    re_path(r'', include('oauth.urls', namespace='oauth')),
+    re_path(r'^sitemap\.xml$', sitemap, {'sitemaps': sitemaps},
+            name='django.contrib.sitemaps.views.sitemap'),
+    re_path(r'^feed/$', DjangoBlogFeed()),
+    re_path(r'^rss/$', DjangoBlogFeed()),
+    re_path('^search', search_view_factory(view_class=EsSearchView, form_class=ElasticSearchModelSearchForm),
+            name='search'),
+    re_path(r'', include('servermanager.urls', namespace='servermanager')),
+    re_path(r'', include('owntracks.urls', namespace='owntracks'))
+    , prefix_default_language=False) + static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
+#mj 调试模式下添加媒体文件服务
+if settings.DEBUG:
+    urlpatterns += static(settings.MEDIA_URL,
+                          document_root=settings.MEDIA_ROOT)
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/utils.py b/doc/src/djangoblog/utils.py
new file mode 100644
index 0000000..9913268
--- /dev/null
+++ b/doc/src/djangoblog/utils.py
@@ -0,0 +1,245 @@
+import logging
+import os
+import random
+import string
+import uuid
+from hashlib import sha256
+
+import bleach
+import markdown
+import requests
+from django.conf import settings
+from django.contrib.sites.models import Site
+from django.core.cache import cache
+from django.templatetags.static import static
+
+logger = logging.getLogger(__name__)
+
+
+def get_max_articleid_commentid():
+    #mj 获取最大文章ID和评论ID
+    from blog.models import Article
+    from comments.models import Comment
+    return (Article.objects.latest().pk, Comment.objects.latest().pk)
+
+
+def get_sha256(str):
+    #mj 计算字符串的SHA256哈希值
+    m = sha256(str.encode('utf-8'))
+    return m.hexdigest()
+
+
+def cache_decorator(expiration=3 * 60):
+    #mj 缓存装饰器
+    def wrapper(func):
+        def news(*args, **kwargs):
+            try:
+                view = args[0]
+                key = view.get_cache_key()
+            except:
+                key = None
+            if not key:
+                unique_str = repr((func, args, kwargs))
+
+                m = sha256(unique_str.encode('utf-8'))
+                key = m.hexdigest()
+            value = cache.get(key)
+            if value is not None:
+                # logger.info('cache_decorator get cache:%s key:%s' % (func.__name__, key))
+                if str(value) == '__default_cache_value__':
+                    return None
+                else:
+                    return value
+            else:
+                logger.debug(
+                    'cache_decorator set cache:%s key:%s' %
+                    (func.__name__, key))
+                value = func(*args, **kwargs)
+                if value is None:
+                    cache.set(key, '__default_cache_value__', expiration)
+                else:
+                    cache.set(key, value, expiration)
+                return value
+
+        return news
+
+    return wrapper
+
+
+def expire_view_cache(path, servername, serverport, key_prefix=None):
+    '''
+    刷新视图缓存
+    :param path:url路径
+    :param servername:host
+    :param serverport:端口
+    :param key_prefix:前缀
+    :return:是否成功
+    '''
+    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
+
+
+@cache_decorator()
+def get_current_site():
+    #mj 获取当前站点（带缓存）
+    site = Site.objects.get_current()
+    return site
+
+
+class CommonMarkdown:
+    #mj Markdown处理工具类
+    @staticmethod
+    def _convert_markdown(value):
+        md = markdown.Markdown(
+            extensions=[
+                'extra',
+                'codehilite',
+                'toc',
+                'tables',
+            ]
+        )
+        body = md.convert(value)
+        toc = md.toc
+        return body, toc
+
+    @staticmethod
+    def get_markdown_with_toc(value):
+        #mj 获取带目录的Markdown
+        body, toc = CommonMarkdown._convert_markdown(value)
+        return body, toc
+
+    @staticmethod
+    def get_markdown(value):
+        #mj 获取Markdown内容
+        body, toc = CommonMarkdown._convert_markdown(value)
+        return body
+
+
+def send_email(emailto, title, content):
+    #mj 发送邮件
+    from djangoblog.blog_signals import send_email_signal
+    send_email_signal.send(
+        send_email.__class__,
+        emailto=emailto,
+        title=title,
+        content=content)
+
+
+def generate_code() -> str:
+    """生成随机数验证码"""
+    return ''.join(random.sample(string.digits, 6))
+
+
+def parse_dict_to_url(dict):
+    #mj 将字典转换为URL查询字符串
+    from urllib.parse import quote
+    url = '&'.join(['{}={}'.format(quote(k, safe='/'), quote(v, safe='/'))
+                    for k, v in dict.items()])
+    return url
+
+
+def get_blog_setting():
+    #mj 获取博客设置（带缓存）
+    value = cache.get('get_blog_setting')
+    if value:
+        return value
+    else:
+        from blog.models import BlogSettings
+        if not BlogSettings.objects.count():
+            #mj 如果不存在设置，创建默认设置
+            setting = BlogSettings()
+            setting.site_name = 'djangoblog'
+            setting.site_description = '基于Django的博客系统'
+            setting.site_seo_description = '基于Django的博客系统'
+            setting.site_keywords = 'Django,Python'
+            setting.article_sub_length = 300
+            setting.sidebar_article_count = 10
+            setting.sidebar_comment_count = 5
+            setting.show_google_adsense = False
+            setting.open_site_comment = True
+            setting.analytics_code = ''
+            setting.beian_code = ''
+            setting.show_gongan_code = False
+            setting.comment_need_review = False
+            setting.save()
+        value = BlogSettings.objects.first()
+        logger.info('set cache get_blog_setting')
+        cache.set('get_blog_setting', value)
+        return value
+
+
+def save_user_avatar(url):
+    '''
+    保存用户头像
+    :param url:头像url
+    :return: 本地路径
+    '''
+    logger.info(url)
+
+    try:
+        basedir = os.path.join(settings.STATICFILES, 'avatar')
+        rsp = requests.get(url, timeout=2)
+        if rsp.status_code == 200:
+            if not os.path.exists(basedir):
+                os.makedirs(basedir)
+
+            image_extensions = ['.jpg', '.png', 'jpeg', '.gif']
+            isimage = len([i for i in image_extensions if url.endswith(i)]) > 0
+            ext = os.path.splitext(url)[1] if isimage else '.jpg'
+            save_filename = str(uuid.uuid4().hex) + ext
+            logger.info('保存用户头像:' + basedir + save_filename)
+            with open(os.path.join(basedir, save_filename), 'wb+') as file:
+                file.write(rsp.content)
+            return static('avatar/' + save_filename)
+    except Exception as e:
+        logger.error(e)
+        return static('blog/img/avatar.png')
+
+
+def delete_sidebar_cache():
+    #mj 删除侧边栏缓存
+    from blog.models import LinkShowType
+    keys = ["sidebar" + x for x in LinkShowType.values]
+    for k in keys:
+        logger.info('delete sidebar key:' + k)
+        cache.delete(k)
+
+
+def delete_view_cache(prefix, keys):
+    #mj 删除视图缓存
+    from django.core.cache.utils import make_template_fragment_key
+    key = make_template_fragment_key(prefix, keys)
+    cache.delete(key)
+
+
+def get_resource_url():
+    #mj 获取资源URL
+    if settings.STATIC_URL:
+        return settings.STATIC_URL
+    else:
+        site = get_current_site()
+        return 'http://' + site.domain + '/static/'
+
+
+#mj 允许的HTML标签和属性（用于HTML清理）
+ALLOWED_TAGS = ['a', 'abbr', 'acronym', 'b', 'blockquote', 'code', 'em', 'i', 'li', 'ol', 'pre', 'strong', 'ul', 'h1',
+                'h2', 'p']
+ALLOWED_ATTRIBUTES = {'a': ['href', 'title'], 'abbr': ['title'], 'acronym': ['title']}
+
+
+def sanitize_html(html):
+    #mj 清理HTML，防止XSS攻击
+    return bleach.clean(html, tags=ALLOWED_TAGS, attributes=ALLOWED_ATTRIBUTES)
+# [file content end]
\ No newline at end of file
diff --git a/doc/src/djangoblog/whoosh_cn_backend.py b/doc/src/djangoblog/whoosh_cn_backend.py
new file mode 100644
index 0000000..da132cf
--- /dev/null
+++ b/doc/src/djangoblog/whoosh_cn_backend.py
@@ -0,0 +1,712 @@
+from __future__ import absolute_import, division, print_function, unicode_literals
+
+import json
+import os
+import re
+import shutil
+import threading
+import warnings
+
+import six
+from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+from datetime import datetime
+from django.utils.encoding import force_str
+from haystack.backends import BaseEngine, BaseSearchBackend, BaseSearchQuery, EmptyResults, log_query
+from haystack.constants import DJANGO_CT, DJANGO_ID, ID
+from haystack.exceptions import MissingDependency, SearchBackendError, SkipDocument
+from haystack.inputs import Clean, Exact, PythonData, Raw
+from haystack.models import SearchResult
+from haystack.utils import get_identifier, get_model_ct
+from haystack.utils import log as logging
+from haystack.utils.app_loading import haystack_get_model
+from jieba.analyse import ChineseAnalyzer
+from whoosh import index
+from whoosh.analysis import StemmingAnalyzer
+from whoosh.fields import BOOLEAN, DATETIME, IDLIST, KEYWORD, NGRAM, NGRAMWORDS, NUMERIC, Schema, TEXT
+from whoosh.fields import ID as WHOOSH_ID
+from whoosh.filedb.filestore import FileStorage, RamStorage
+from whoosh.highlight import ContextFragmenter, HtmlFormatter
+from whoosh.highlight import highlight as whoosh_highlight
+from whoosh.qparser import QueryParser
+from whoosh.searching import ResultsPage
+from whoosh.writing import AsyncWriter
+
+try:
+    import whoosh
+except ImportError:
+    raise MissingDependency(
+        "The 'whoosh' backend requires the installation of 'Whoosh'. Please refer to the documentation.")
+
+# Handle minimum requirement.
+if not hasattr(whoosh, '__version__') or whoosh.__version__ < (2, 5, 0):
+    raise MissingDependency(
+        "The 'whoosh' backend requires version 2.5.0 or greater.")
+
+# Bubble up the correct error.
+
+DATETIME_REGEX = re.compile(
+    '^(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})T(?P<hour>\d{2}):(?P<minute>\d{2}):(?P<second>\d{2})(\.\d{3,6}Z?)?$')
+LOCALS = threading.local()
+LOCALS.RAM_STORE = None
+
+
+class WhooshHtmlFormatter(HtmlFormatter):
+    """
+    This is a HtmlFormatter simpler than the whoosh.HtmlFormatter.
+    We use it to have consistent results across backends. Specifically,
+    Solr, Xapian and Elasticsearch are using this formatting.
+    """
+    template = '<%(tag)s>%(t)s</%(tag)s>'
+
+
+class WhooshSearchBackend(BaseSearchBackend):
+    #mj Whoosh搜索后端
+    # Word reserved by Whoosh for special use.
+    RESERVED_WORDS = (
+        'AND',
+        'NOT',
+        'OR',
+        'TO',
+    )
+
+    # Characters reserved by Whoosh for special use.
+    # The '\\' must come first, so as not to overwrite the other slash
+    # replacements.
+    RESERVED_CHARACTERS = (
+        '\\', '+', '-', '&&', '||', '!', '(', ')', '{', '}',
+        '[', ']', '^', '"', '~', '*', '?', ':', '.',
+    )
+
+    def __init__(self, connection_alias, **connection_options):
+        super(
+            WhooshSearchBackend,
+            self).__init__(
+            connection_alias,
+            **connection_options)
+        self.setup_complete = False
+        self.use_file_storage = True
+        self.post_limit = getattr(
+            connection_options,
+            'POST_LIMIT',
+            128 * 1024 * 1024)
+        self.path = connection_options.get('PATH')
+
+        if connection_options.get('STORAGE', 'file') != 'file':
+            self.use_file_storage = False
+
+        if self.use_file_storage and not self.path:
+            raise ImproperlyConfigured(
+                "You must specify a 'PATH' in your settings for connection '%s'." %
+                connection_alias)
+
+        self.log = logging.getLogger('haystack')
+
+    def setup(self):
+        """
+        Defers loading until needed.
+        """
+        from haystack import connections
+        new_index = False
+
+        # Make sure the index is there.
+        if self.use_file_storage and not os.path.exists(self.path):
+            os.makedirs(self.path)
+            new_index = True
+
+        if self.use_file_storage and not os.access(self.path, os.W_OK):
+            raise IOError(
+                "The path to your Whoosh index '%s' is not writable for the current user/group." %
+                self.path)
+
+        if self.use_file_storage:
+            self.storage = FileStorage(self.path)
+        else:
+            global LOCALS
+
+            if getattr(LOCALS, 'RAM_STORE', None) is None:
+                LOCALS.RAM_STORE = RamStorage()
+
+            self.storage = LOCALS.RAM_STORE
+
+        self.content_field_name, self.schema = self.build_schema(
+            connections[self.connection_alias].get_unified_index().all_searchfields())
+        self.parser = QueryParser(self.content_field_name, schema=self.schema)
+
+        if new_index is True:
+            self.index = self.storage.create_index(self.schema)
+        else:
+            try:
+                self.index = self.storage.open_index(schema=self.schema)
+            except index.EmptyIndexError:
+                self.index = self.storage.create_index(self.schema)
+
+        self.setup_complete = True
+
+    def build_schema(self, fields):
+        #mj 构建Whoosh索引模式
+        schema_fields = {
+            ID: WHOOSH_ID(stored=True, unique=True),
+            DJANGO_CT: WHOOSH_ID(stored=True),
+            DJANGO_ID: WHOOSH_ID(stored=True),
+        }
+        # Grab the number of keys that are hard-coded into Haystack.
+        # We'll use this to (possibly) fail slightly more gracefully later.
+        initial_key_count = len(schema_fields)
+        content_field_name = ''
+
+        for field_name, field_class in fields.items():
+            if field_class.is_multivalued:
+                if field_class.indexed is False:
+                    schema_fields[field_class.index_fieldname] = IDLIST(
+                        stored=True, field_boost=field_class.boost)
+                else:
+                    schema_fields[field_class.index_fieldname] = KEYWORD(
+                        stored=True, commas=True, scorable=True, field_boost=field_class.boost)
+            elif field_class.field_type in ['date', 'datetime']:
+                schema_fields[field_class.index_fieldname] = DATETIME(
+                    stored=field_class.stored, sortable=True)
+            elif field_class.field_type == 'integer':
+                schema_fields[field_class.index_fieldname] = NUMERIC(
+                    stored=field_class.stored, numtype=int, field_boost=field_class.boost)
+            elif field_class.field_type == 'float':
+                schema_fields[field_class.index_fieldname] = NUMERIC(
+                    stored=field_class.stored, numtype=float, field_boost=field_class.boost)
+            elif field_class.field_type == 'boolean':
+                # Field boost isn't supported on BOOLEAN as of 1.8.2.
+                schema_fields[field_class.index_fieldname] = BOOLEAN(
+                    stored=field_class.stored)
+            elif field_class.field_type == 'ngram':
+                schema_fields[field_class.index_fieldname] = NGRAM(
+                    minsize=3, maxsize=15, stored=field_class.stored, field_boost=field_class.boost)
+            elif field_class.field_type == 'edge_ngram':
+                schema_fields[field_class.index_fieldname] = NGRAMWORDS(minsize=2, maxsize=15, at='start',
+                                                                        stored=field_class.stored,
+                                                                        field_boost=field_class.boost)
+            else:
+                # schema_fields[field_class.index_fieldname] = TEXT(stored=True, analyzer=StemmingAnalyzer(), field_boost=field_class.boost, sortable=True)
+                #mj 使用中文分析器处理文本字段
+                schema_fields[field_class.index_fieldname] = TEXT(
+                    stored=True, analyzer=ChineseAnalyzer(), field_boost=field_class.boost, sortable=True)
+            if field_class.document is True:
+                content_field_name = field_class.index_fieldname
+                schema_fields[field_class.index_fieldname].spelling = True
+
+        # Fail more gracefully than relying on the backend to die if no fields
+        # are found.
+        if len(schema_fields) <= initial_key_count:
+            raise SearchBackendError(
+                "No fields were found in any search_indexes. Please correct this before attempting to search.")
+
+        return (content_field_name, Schema(**schema_fields))
+
+    def update(self, index, iterable, commit=True):
+        #mj 更新索引
+        if not self.setup_complete:
+            self.setup()
+
+        self.index = self.index.refresh()
+        writer = AsyncWriter(self.index)
+
+        for obj in iterable:
+            try:
+                doc = index.full_prepare(obj)
+            except SkipDocument:
+                self.log.debug(u"Indexing for object `%s` skipped", obj)
+            else:
+                # Really make sure it's unicode, because Whoosh won't have it any
+                # other way.
+                for key in doc:
+                    doc[key] = self._from_python(doc[key])
+
+                # Document boosts aren't supported in Whoosh 2.5.0+.
+                if 'boost' in doc:
+                    del doc['boost']
+
+                try:
+                    writer.update_document(**doc)
+                except Exception as e:
+                    if not self.silently_fail:
+                        raise
+
+                    # We'll log the object identifier but won't include the actual object
+                    # to avoid the possibility of that generating encoding errors while
+                    # processing the log message:
+                    self.log.error(
+                        u"%s while preparing object for update" %
+                        e.__class__.__name__,
+                        exc_info=True,
+                        extra={
+                            "data": {
+                                "index": index,
+                                "object": get_identifier(obj)}})
+
+        if len(iterable) > 0:
+            # For now, commit no matter what, as we run into locking issues
+            # otherwise.
+            writer.commit()
+
+    def remove(self, obj_or_string, commit=True):
+        #mj 从索引中移除文档
+        if not self.setup_complete:
+            self.setup()
+
+        self.index = self.index.refresh()
+        whoosh_id = get_identifier(obj_or_string)
+
+        try:
+            self.index.delete_by_query(
+                q=self.parser.parse(
+                    u'%s:"%s"' %
+                    (ID, whoosh_id)))
+        except Exception as e:
+            if not self.silently_fail:
+                raise
+
+            self.log.error(
+                "Failed to remove document '%s' from Whoosh: %s",
+                whoosh_id,
+                e,
+                exc_info=True)
+
+    def clear(self, models=None, commit=True):
+        #mj 清空索引
+        if not self.setup_complete:
+            self.setup()
+
+        self.index = self.index.refresh()
+
+        if models is not None:
+            assert isinstance(models, (list, tuple))
+
+        try:
+            if models is None:
+                self.delete_index()
+            else:
+                models_to_delete = []
+
+                for model in models:
+                    models_to_delete.append(
+                        u"%s:%s" %
+                        (DJANGO_CT, get_model_ct(model)))
+
+                self.index.delete_by_query(
+                    q=self.parser.parse(
+                        u" OR ".join(models_to_delete)))
+        except Exception as e:
+            if not self.silently_fail:
+                raise
+
+            if models is not None:
+                self.log.error(
+                    "Failed to clear Whoosh index of models '%s': %s",
+                    ','.join(models_to_delete),
+                    e,
+                    exc_info=True)
+            else:
+                self.log.error(
+                    "Failed to clear Whoosh index: %s", e, exc_info=True)
+
+    def delete_index(self):
+        #mj 删除索引文件
+        # Per the Whoosh mailing list, if wiping out everything from the index,
+        # it's much more efficient to simply delete the index files.
+        if self.use_file_storage and os.path.exists(self.path):
+            shutil.rmtree(self.path)
+        elif not self.use_file_storage:
+            self.storage.clean()
+
+        # Recreate everything.
+        self.setup()
+
+    def optimize(self):
+        #mj 优化索引
+        if not self.setup_complete:
+            self.setup()
+
+        self.index = self.index.refresh()
+        self.index.optimize()
+
+    def calculate_page(self, start_offset=0, end_offset=None):
+        #mj 计算分页参数
+        # Prevent against Whoosh throwing an error. Requires an end_offset
+        # greater than 0.
+        if end_offset is not None and end_offset <= 0:
+            end_offset = 1
+
+        # Determine the page.
+        page_num = 0
+
+        if end_offset is None:
+            end_offset = 1000000
+
+        if start_offset is None:
+            start_offset = 0
+
+        page_length = end_offset - start_offset
+
+        if page_length and page_length > 0:
+            page_num = int(start_offset / page_length)
+
+        # Increment because Whoosh uses 1-based page numbers.
+        page_num += 1
+        return page_num, page_length
+
+    @log_query
+    def search(
+            self,
+            query_string,
+            sort_by=None,
+            start_offset=0,
+            end_offset=None,
+            fields='',
+            highlight=False,
+            facets=None,
+            date_facets=None,
+            query_facets=None,
+            narrow_queries=None,
+            spelling_query=None,
+            within=None,
+            dwithin=None,
+            distance_point=None,
+            models=None,
+            limit_to_registered_models=None,
+            result_class=None,
+            **kwargs):
+        #mj 执行搜索
+        if not self.setup_complete:
+            self.setup()
+
+        # A zero length query should return no results.
+        if len(query_string) == 0:
+            return {
+                'results': [],
+                'hits': 0,
+            }
+
+        query_string = force_str(query_string)
+
+        # A one-character query (non-wildcard) gets nabbed by a stopwords
+        # filter and should yield zero results.
+        if len(query_string) <= 1 and query_string != u'*':
+            return {
+                'results': [],
+                'hits': 0,
+            }
+
+        reverse = False
+
+        if sort_by is not None:
+            # Determine if we need to reverse the results and if Whoosh can
+            # handle what it's being asked to sort by. Reversing is an
+            # all-or-nothing action, unfortunately.
+            sort_by_list = []
+            reverse_counter = 0
+
+            for order_by in sort_by:
+                if order_by.startswith('-'):
+                    reverse_counter += 1
+
+            if reverse_counter and reverse_counter != len(sort_by):
+                raise SearchBackendError("Whoosh requires all order_by fields"
+                                         " to use the same sort direction")
+
+            for order_by in sort_by:
+                if order_by.startswith('-'):
+                    sort_by_list.append(order_by[1:])
+
+                    if len(sort_by_list) == 1:
+                        reverse = True
+                else:
+                    sort_by_list.append(order_by)
+
+                    if len(sort_by_list) == 1:
+                        reverse = False
+
+            sort_by = sort_by_list[0]
+
+        if facets is not None:
+            warnings.warn(
+                "Whoosh does not handle faceting.",
+                Warning,
+                stacklevel=2)
+
+        if date_facets is not None:
+            warnings.warn(
+                "Whoosh does not handle date faceting.",
+                Warning,
+                stacklevel=2)
+
+        if query_facets is not None:
+            warnings.warn(
+                "Whoosh does not handle query faceting.",
+                Warning,
+                stacklevel=2)
+
+        narrowed_results = None
+        self.index = self.index.refresh()
+
+        if limit_to_registered_models is None:
+            limit_to_registered_models = getattr(
+                settings, 'HAYSTACK_LIMIT_TO_REGISTERED_MODELS', True)
+
+        if models and len(models):
+            model_choices = sorted(get_model_ct(model) for model in models)
+        elif limit_to_registered_models:
+            # Using narrow queries, limit the results to only models handled
+            # with the current routers.
+            model_choices = self.build_models_list()
+        else:
+            model_choices = []
+
+        if len(model_choices) > 0:
+            if narrow_queries is None:
+                narrow_queries = set()
+
+            narrow_queries.add(' OR '.join(
+                ['%s:%s' % (DJANGO_CT, rm) for rm in model_choices]))
+
+        narrow_searcher = None
+
+        if narrow_queries is not None:
+            # Potentially expensive? I don't see another way to do it in
+            # Whoosh...
+            narrow_searcher = self.index.searcher()
+
+            for nq in narrow_queries:
+                recent_narrowed_results = narrow_searcher.search(
+                    self.parser.parse(force_str(nq)), limit=None)
+
+                if len(recent_narrowed_results) <= 0:
+                    return {
+                        'results': [],
+                        'hits': 0,
+                    }
+
+                if narrowed_results:
+                    narrowed_results.filter(recent_narrowed_results)
+                else:
+                    narrowed_results = recent_narrowed_results
+
+        self.index = self.index.refresh()
+
+        if self.index.doc_count():
+            searcher = self.index.searcher()
+            parsed_query = self.parser.parse(query_string)
+
+            # In the event of an invalid/stopworded query, recover gracefully.
+            if parsed_query is None:
+                return {
+                    'results': [],
+                    'hits': 0,
+                }
+
+            page_num, page_length = self.calculate_page(
+                start_offset, end_offset)
+
+            search_kwargs = {
+                'pagelen': page_length,
+                'sortedby': sort_by,
+                'reverse': reverse,
+            }
+
+            # Handle the case where the results have been narrowed.
+            if narrowed_results is not None:
+                search_kwargs['filter'] = narrowed_results
+
+            try:
+                raw_page = searcher.search_page(
+                    parsed_query,
+                    page_num,
+                    **search_kwargs
+                )
+            except ValueError:
+                if not self.silently_fail:
+                    raise
+
+                return {
+                    'results': [],
+                    'hits': 0,
+                    'spelling_suggestion': None,
+                }
+
+            # Because as of Whoosh 2.5.1, it will return the wrong page of
+            # results if you request something too high. :(
+            if raw_page.pagenum < page_num:
+                return {
+                    'results': [],
+                    'hits': 0,
+                    'spelling_suggestion': None,
+                }
+
+            results = self._process_results(
+                raw_page,
+                highlight=highlight,
+                query_string=query_string,
+                spelling_query=spelling_query,
+                result_class=result_class)
+            searcher.close()
+
+            if hasattr(narrow_searcher, 'close'):
+                narrow_searcher.close()
+
+            return results
+        else:
+            if self.include_spelling:
+                if spelling_query:
+                    spelling_suggestion = self.create_spelling_suggestion(
+                        spelling_query)
+                else:
+                    spelling_suggestion = self.create_spelling_suggestion(
+                        query_string)
+            else:
+                spelling_suggestion = None
+
+            return {
+                'results': [],
+                'hits': 0,
+                'spelling_suggestion': spelling_suggestion,
+            }
+
+    def more_like_this(
+            self,
+            model_instance,
+            additional_query_string=None,
+            start_offset=0,
+            end_offset=None,
+            models=None,
+            limit_to_registered_models=None,
+            result_class=None,
+            **kwargs):
+        #mj 查找相似文档
+        if not self.setup_complete:
+            self.setup()
+
+        # Deferred models will have a different class ("RealClass_Deferred_fieldname")
+        # which won't be in our registry:
+        model_klass = model_instance._meta.concrete_model
+
+        field_name = self.content_field_name
+        narrow_queries = set()
+        narrowed_results = None
+        self.index = self.index.refresh()
+
+        if limit_to_registered_models is None:
+            limit_to_registered_models = getattr(
+                settings, 'HAYSTACK_LIMIT_TO_REGISTERED_MODELS', True)
+
+        if models and len(models):
+            model_choices = sorted(get_model_ct(model) for model in models)
+        elif limit_to_registered_models:
+            # Using narrow queries, limit the results to only models handled
+            # with the current routers.
+            model_choices = self.build_models_list()
+        else:
+            model_choices = []
+
+        if len(model_choices) > 0:
+            if narrow_queries is None:
+                narrow_queries = set()
+
+            narrow_queries.add(' OR '.join(
+                ['%s:%s' % (DJANGO_CT, rm) for rm in model_choices]))
+
+        if additional_query_string and additional_query_string != '*':
+            narrow_queries.add(additional_query_string)
+
+        narrow_searcher = None
+
+        if narrow_queries is not None:
+            # Potentially expensive? I don't see another way to do it in
+            # Whoosh...
+            narrow_searcher = self.index.searcher()
+
+            for nq in narrow_queries:
+                recent_narrowed_results = narrow_searcher.search(
+                    self.parser.parse(force_str(nq)), limit=None)
+
+                if len(recent_narrowed_results) <= 0:
+                    return {
+                        'results': [],
+                        'hits': 0,
+                    }
+
+                if narrowed_results:
+                    narrowed_results.filter(recent_narrowed_results)
+                else:
+                    narrowed_results = recent_narrowed_results
+
+        page_num, page_length = self.calculate_page(start_offset, end_offset)
+
+        self.index = self.index.refresh()
+        raw_results = EmptyResults()
+
+        if self.index.doc_count():
+            query = "%s:%s" % (ID, get_identifier(model_instance))
+            searcher = self.index.searcher()
+            parsed_query = self.parser.parse(query)
+            results = searcher.search(parsed_query)
+
+            if len(results):
+                raw_results = results[0].more_like_this(
+                    field_name, top=end_offset)
+
+            # Handle the case where the results have been narrowed.
+            if narrowed_results is not None and hasattr(raw_results, 'filter'):
+                raw_results.filter(narrowed_results)
+
+        try:
+            raw_page = ResultsPage(raw_results, page_num, page_length)
+        except ValueError:
+            if not self.silently_fail:
+                raise
+
+            return {
+                'results': [],
+                'hits': 0,
+                'spelling_suggestion': None,
+            }
+
+        # Because as of Whoosh 2.5.1, it will return the wrong page of
+        # results if you request something too high. :(
+        if raw_page.pagenum < page_num:
+            return {
+                'results': [],
+                'hits': 0,
+                'spelling_suggestion': None,
+            }
+
+        results = self._process_results(raw_page, result_class=result_class)
+        searcher.close()
+
+        if hasattr(narrow_searcher, 'close'):
+            narrow_searcher.close()
+
+        return results
+
+    def _process_results(
+            self,
+            raw_page,
+            highlight=False,
+            query_string='',
+            spelling_query=None,
+            result_class=None):
+        #mj 处理搜索结果
+        from haystack import connections
+        results = []
+
+        # It's important to grab the hits first before slicing. Otherwise, this
+        # can cause pagination failures.
+        hits = len(raw_page)
+
+        if result_class is None:
+            result_class = SearchResult
+
+        facets = {}
+        spelling_suggestion = None
+        unified_index = connections[self.connection_alias].get_unified_index()
+        indexed_models = unified_index.get_indexed_models()
+
+        for doc_offset, raw_result in enumerate(raw_page):
+            score = raw_page.score(doc_offset) or 0
+            app_label, model_name = raw_result[DJANGO_CT].
\ No newline at end of file
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+++ b/doc/src/djangoblog/wsgi.py
@@ -0,0 +1,16 @@
+"""
+WSGI config for djangoblog project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/1.10/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "djangoblog.settings")
+
+application = get_wsgi_application()