Django出现Error: 111 connect to 192.168.158.141:22122. Connection refused

未开启FastDFS，会出现以下错误

启动 fdfs
sudo service fdfs_trackerd start
sudo service fdfs_storaged start

或者
sudo fdfs_trackerd /etc/fdfs/tracker.conf
sudo fdfs_storaged /etc/fdfs/storage.conf

启动nginx
sudo /usr/local/nginx/sbin/nginx

[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
[-] Error: 111 connect to 192.168.158.141:22122. Connection refused.
Traceback (most recent call last):
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/fdfs_client/connection.py", line 137, in get_connection
    conn = self._conns_available.pop()
IndexError: pop from empty list

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3.5/wsgiref/handlers.py", line 137, in run
    self.result = application(self.environ, self.start_response)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/contrib/staticfiles/handlers.py", line 63, in __call__
    return self.application(environ, start_response)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/core/handlers/wsgi.py", line 189, in __call__
    response = self.get_response(request)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/core/handlers/base.py", line 132, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/contrib/admin/options.py", line 618, in wrapper
    return self.admin_site.admin_view(view)(*args, **kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/utils/decorators.py", line 110, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/views/decorators/cache.py", line 57, in _wrapped_view_func
    response = view_func(request, *args, **kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/contrib/admin/sites.py", line 233, in inner
    return view(request, *args, **kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/contrib/admin/options.py", line 1518, in add_view
    return self.changeform_view(request, None, form_url, extra_context)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/utils/decorators.py", line 34, in _wrapper
    return bound_func(*args, **kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/utils/decorators.py", line 110, in _wrapped_view
    response = view_func(request, *args, **kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/utils/decorators.py", line 30, in bound_func
    return func.__get__(self, type(self))(*args2, **kwargs2)
  File "/usr/lib/python3.5/contextlib.py", line 30, in inner
    return func(*args, **kwds)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/contrib/admin/options.py", line 1469, in changeform_view
    self.save_model(request, new_object, form, not add)
  File "/home/python/Desktop/django/dailyfresh/apps/goods/admin.py", line 13, in save_model
    super().save_model(request, obj, form, change)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/contrib/admin/options.py", line 1080, in save_model
    obj.save()
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/base.py", line 734, in save
    force_update=force_update, update_fields=update_fields)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/base.py", line 762, in save_base
    updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/base.py", line 846, in _save_table
    result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/base.py", line 885, in _do_insert
    using=using, raw=raw)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/manager.py", line 127, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/query.py", line 920, in _insert
    return query.get_compiler(using=using).execute_sql(return_id)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/sql/compiler.py", line 973, in execute_sql
    for sql, params in self.as_sql():
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/sql/compiler.py", line 931, in as_sql
    for obj in self.query.objs
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/sql/compiler.py", line 931, in 
    for obj in self.query.objs
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/sql/compiler.py", line 929, in 
    ) for f in fields
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/fields/files.py", line 314, in pre_save
    file.save(file.name, file, save=False)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/db/models/fields/files.py", line 93, in save
    self.name = self.storage.save(name, content, max_length=self.field.max_length)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/django/core/files/storage.py", line 63, in save
    name = self._save(name, content)
  File "/home/python/Desktop/django/dailyfresh/utils/fdfs/storage.py", line 23, in _save
    result = client.upload_by_buffer(datas)
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/fdfs_client/client.py", line 125, in upload_by_buffer
    store_serv = tc.tracker_query_storage_stor_without_group()
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/fdfs_client/tracker_client.py", line 374, in tracker_query_storage_stor_without_group
    conn = self.pool.get_connection()
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/fdfs_client/connection.py", line 142, in get_connection
    conn = self.make_conn()
  File "/home/python/.virtualenvs/django_py3/lib/python3.5/site-packages/fdfs_client/connection.py", line 122, in make_conn
    sys.exit()
SystemExit