text: Title: 部分接口报错
  Body: 你好，安装完成之后登陆后台接口报错，具体如下，请问这是什么问题呢？
  
  Traceback (most recent call last):
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 2464, in __call__
      return self.wsgi_app(environ, start_response)
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 2450, in wsgi_app
      response = self.handle_exception(e)
    File "C:\Program Files\Python38\Lib\site-packages\flask_cors\extension.py", line 165, in wrapped_f
  unction
      return cors_after_request(app.make_response(f(*args, **kwargs)))
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 1867, in handle_exception
      reraise(exc_type, exc_value, tb)
    File "C:\Program Files\Python38\Lib\site-packages\flask\_compat.py", line 39, in reraise
      raise value
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 2447, in wsgi_app
      response = self.full_dispatch_request()
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 1952, in full_dispatch_reque
  st
      rv = self.handle_user_exception(e)
    File "C:\Program Files\Python38\Lib\site-packages\flask_cors\extension.py", line 165, in wrapped_f
  unction
      return cors_after_request(app.make_response(f(*args, **kwargs)))
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 1821, in handle_user_excepti
  on
      reraise(exc_type, exc_value, tb)
    File "C:\Program Files\Python38\Lib\site-packages\flask\_compat.py", line 39, in reraise
      raise value
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 1950, in full_dispatch_reque
  st
      rv = self.dispatch_request()
    File "C:\Program Files\Python38\Lib\site-packages\flask\app.py", line 1936, in dispatch_request
      return self.view_functions[rule.endpoint](**req.view_args)
    File "C:\Program Files\Python38\Lib\site-packages\flask_limiter\extension.py", line 732, in __inne
  r
      return current_app.ensure_sync(obj)(*a, **k)
    File "C:\Program Files\Python38\Lib\site-packages\werkzeug\local.py", line 347, in __getattr__
      return getattr(self._get_current_object(), name)
  AttributeError: 'Flask' object has no attribute 'ensure_sync'
  