django 报错 ImproperlyConfigured at / Empty static prefix not permitted

The above picture is the prompt of the problem and the picture after the solution.

Reason: 
　　The deployment method of django is quite special. It adopts the deployment method of static file path: STATICFILES_DIRS. The relative path and absolute path you wrote before are all invalid due to the lack of static file path...

The following is the solution process = " 
First of all, by default, you classify different folders css, js, image, etc. under static. static and templates are in the same directory.

||Step one：

/* Django's mapping mechanism, it is not important to fill in static or other English here*/

STATIC_URL = '/static/'

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/* When deploying static files (python manage.py collectstatic) all static static aggregation directories must be absolute addresses*/

STATIC_ROOT = os.path.join(BASE_DIR, 'static')

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/* Set the path of static files such as pictures*/

STATICFILES_DIRS = (
    ('css', os.path.join(STATIC_ROOT, 'css').replace('\\', '/')),
    ('js', os.path.join(STATIC_ROOT, 'js').replace('\\', '/')),
    ('images', os.path.join(STATIC_ROOT, 'images').replace('\\', '/')),
    ('fonts', os.path.join(STATIC_ROOT, 'fonts').replace('\\', '/')),
)

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||Step two：

Add the following to the urls.py file:

...
from django.contrib.staticfiles.urls import staticfiles_urlpatterns

urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^$', VAapp.index),
    url(r'^index/$', VAapp.index),
    ...
]
urlpatterns += staticfiles_urlpatterns()

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||Step three：

Add in the first line of base.html

｛% load staticfiles %}