django.core.exceptions.ImproperlyConfigured: The included URLconf 'luffyapi.urls' does not appear to have any patterns in it. If you see valid patterns in the file then the issue is probably caused

项目报错：
django.core.exceptions.ImproperlyConfigured: The included URLconf 'luffyapi.urls' does not appear to have any patterns in it. If you see valid patterns in the file then the issue is probably caused

解决：
文件夹名称写错了