about 
参考:https://blog.csdn.net/qq_42851418/article/details/108961527
install 
pip install django-notifications-hq
# 我使用的时候,版本是1.7.0
pip install django-notifications-hq==1.7.0使用 
1. 项目settins.py配置
python
INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'api.apps.ApiConfig',
    'notifications',   # 配置站内消息,要添加这个app
]2. 在项目总路由中配置
python
from django.contrib import admin
from django.urls import path, include
urlpatterns = [
    path('admin/', admin.site.urls),
    # 配置下面这个路由
    path('notifications/', include('notifications.urls', namespace='notifications'))
]3. 执行数据库迁移
bash
python manage.py makemigrations
python manage.py migrate不报错就OK了。