python manage.py startapp wp E:\python-base\Envs\django_env\lib\site-packages\django\db\models\base.py:309: RuntimeWarning: Model 'book.artical' was already registered. Reloading models is not advised as it can lead to inconsistencies, most notably with related models. new_class._meta.apps.register_model(new_class._meta.app_label, new_class)

在使用Django加载静态文件css样式时，报错如下，说明无法获取到“/static/front/nav.css”这个静态样式文件。 [01/Mar/2020 00:30:30] “GET /static/front/nav.css HTTP/1.1” 404 1663   错误原因： nav.css文件放在了错误位置，造成django找不到文件。

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