老师，我这个在按照您的操作时候，总是无法导入‘backend’，

ModuleNotFoundError: No module named 'backend'

信息提示是：

Traceback (most recent call last):

  File "crud.py", line 16, in <module>

    django.setup()

  File "/home/mahsiaoko/miniconda3/envs/djangoEnv/lib/python3.6/site-packages/django/__init__.py", line 19, in setup

    configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)

  File "/home/mahsiaoko/miniconda3/envs/djangoEnv/lib/python3.6/site-packages/django/conf/__init__.py", line 79, in __getattr__

    self._setup(name)

  File "/home/mahsiaoko/miniconda3/envs/djangoEnv/lib/python3.6/site-packages/django/conf/__init__.py", line 66, in _setup

    self._wrapped = Settings(settings_module)

  File "/home/mahsiaoko/miniconda3/envs/djangoEnv/lib/python3.6/site-packages/django/conf/__init__.py", line 157, in __init__

    mod = importlib.import_module(self.SETTINGS_MODULE)

  File "/home/mahsiaoko/miniconda3/envs/djangoEnv/lib/python3.6/importlib/__init__.py", line 126, in import_module

    return _bootstrap._gcd_import(name[level:], package, level)

  File "<frozen importlib._bootstrap>", line 994, in _gcd_import

  File "<frozen importlib._bootstrap>", line 971, in _find_and_load

  File "<frozen importlib._bootstrap>", line 941, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

  File "<frozen importlib._bootstrap>", line 994, in _gcd_import

  File "<frozen importlib._bootstrap>", line 971, in _find_and_load

  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

ModuleNotFoundError: No module named 'backend'