问在Django中找不到静态文件

EN

STATIC_DIR = os.path.join(BASE_DIR, 'static')
STATICFILES_DIRS = (
    os.path.join(BASE_DIR, 'static'),
    '/Users/milkiweed/Documents/python/django/psy_site/static'

You have requested to collect static files at the destination
location as specified in your settings.

This will overwrite existing files!
Are you sure you want to do this?

Type 'yes' to continue, or 'no' to cancel: yes
Traceback (most recent call last):
  File "manage.py", line 22, in <module>
    execute_from_command_line(sys.argv)
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/core/management/__init__.py", line 364, in     execute_from_command_line
    utility.execute()
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/core/management/__init__.py", line 356, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/core/management/base.py", line 283, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/core/management/base.py", line 330, in execute
    output = self.handle(*args, **options)
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/contrib/staticfiles/management/commands/collectstatic.py"    , line 199,in handle
    collected = self.collect()
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/contrib/staticfiles/management/commands/collectstatic.py"    , line 124,in collect
    handler(path, prefixed_path, storage)
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/contrib/staticfiles/management/commands/collectstatic.py"    , line 354,in copy_file
    if not self.delete_file(path, prefixed_path, source_storage):
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/contrib/staticfiles/management/commands/collectstatic.py"    , line 260,in delete_file
    if self.storage.exists(prefixed_path):
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/core/files/storage.py", line 392, in exists
    return os.path.exists(self.path(name))
  File "/Users/milkiweed/Documents/vn/psychology/lib/python3.6/site-    packages/django/contrib/staticfiles/storage.py", line 50, in path
    raise ImproperlyConfigured("You're using the staticfiles app "
django.core.exceptions.ImproperlyConfigured: You're using the     staticfiles app without having set the STATIC_ROOT setting to a     filesystem path.